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Merge pull request #8776 from Staars/development

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fix BEARSSL-decryption, remove MBEDTLS, prepare night light sensors for NRF24 driver
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Theo Arends 2020-06-24 16:38:33 +02:00 committed by GitHub
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15 changed files with 127 additions and 9251 deletions
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1
lib/mbedtls/README.md
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Stripped down library for aes-ccm-decryption in the MI_NRF24.ino.

297
lib/mbedtls/include/mbedtls/aes.h
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/**
* \file aes.h
*
* \brief AES block cipher
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_AES_H
#define MBEDTLS_AES_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#include <stdint.h>
/* padlock.c and aesni.c rely on these values! */
#define MBEDTLS_AES_ENCRYPT 1
#define MBEDTLS_AES_DECRYPT 0
#define MBEDTLS_ERR_AES_INVALID_KEY_LENGTH -0x0020 /**< Invalid key length. */
#define MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH -0x0022 /**< Invalid data input length. */
#if !defined(MBEDTLS_AES_ALT)
// Regular implementation
//
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief AES context structure
*
* \note buf is able to hold 32 extra bytes, which can be used:
* - for alignment purposes if VIA padlock is used, and/or
* - to simplify key expansion in the 256-bit case by
* generating an extra round key
*/
typedef struct
{
int nr; /*!< number of rounds */
uint32_t *rk; /*!< AES round keys */
uint32_t buf[68]; /*!< unaligned data */
}
mbedtls_aes_context;
/**
* \brief Initialize AES context
*
* \param ctx AES context to be initialized
*/
void mbedtls_aes_init( mbedtls_aes_context *ctx );
/**
* \brief Clear AES context
*
* \param ctx AES context to be cleared
*/
void mbedtls_aes_free( mbedtls_aes_context *ctx );
/**
* \brief AES key schedule (encryption)
*
* \param ctx AES context to be initialized
* \param key encryption key
* \param keybits must be 128, 192 or 256
*
* \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH
*/
int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
unsigned int keybits );
/**
* \brief AES key schedule (decryption)
*
* \param ctx AES context to be initialized
* \param key decryption key
* \param keybits must be 128, 192 or 256
*
* \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH
*/
int mbedtls_aes_setkey_dec( mbedtls_aes_context *ctx, const unsigned char *key,
unsigned int keybits );
/**
* \brief AES-ECB block encryption/decryption
*
* \param ctx AES context
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
* \param input 16-byte input block
* \param output 16-byte output block
*
* \return 0 if successful
*/
int mbedtls_aes_crypt_ecb( mbedtls_aes_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16] );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
/**
* \brief AES-CBC buffer encryption/decryption
* Length should be a multiple of the block
* size (16 bytes)
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* block(s) of data and get the same result as if it was
* encrypted in one call. This allows a "streaming" usage.
* If on the other hand you need to retain the contents of the
* IV, you should either save it manually or use the cipher
* module instead.
*
* \param ctx AES context
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH
*/
int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CBC */
#if defined(MBEDTLS_CIPHER_MODE_CFB)
/**
* \brief AES-CFB128 buffer encryption/decryption.
*
* Note: Due to the nature of CFB you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* mbedtls_aes_setkey_enc() for both MBEDTLS_AES_ENCRYPT and MBEDTLS_AES_DECRYPT.
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* block(s) of data and get the same result as if it was
* encrypted in one call. This allows a "streaming" usage.
* If on the other hand you need to retain the contents of the
* IV, you should either save it manually or use the cipher
* module instead.
*
* \param ctx AES context
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
* \param length length of the input data
* \param iv_off offset in IV (updated after use)
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful
*/
int mbedtls_aes_crypt_cfb128( mbedtls_aes_context *ctx,
int mode,
size_t length,
size_t *iv_off,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
/**
* \brief AES-CFB8 buffer encryption/decryption.
*
* Note: Due to the nature of CFB you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* mbedtls_aes_setkey_enc() for both MBEDTLS_AES_ENCRYPT and MBEDTLS_AES_DECRYPT.
*
* \note Upon exit, the content of the IV is updated so that you can
* call the function same function again on the following
* block(s) of data and get the same result as if it was
* encrypted in one call. This allows a "streaming" usage.
* If on the other hand you need to retain the contents of the
* IV, you should either save it manually or use the cipher
* module instead.
*
* \param ctx AES context
* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful
*/
int mbedtls_aes_crypt_cfb8( mbedtls_aes_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
#endif /*MBEDTLS_CIPHER_MODE_CFB */
#if defined(MBEDTLS_CIPHER_MODE_CTR)
/**
* \brief AES-CTR buffer encryption/decryption
*
* Warning: You have to keep the maximum use of your counter in mind!
*
* Note: Due to the nature of CTR you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* mbedtls_aes_setkey_enc() for both MBEDTLS_AES_ENCRYPT and MBEDTLS_AES_DECRYPT.
*
* \param ctx AES context
* \param length The length of the data
* \param nc_off The offset in the current stream_block (for resuming
* within current cipher stream). The offset pointer to
* should be 0 at the start of a stream.
* \param nonce_counter The 128-bit nonce and counter.
* \param stream_block The saved stream-block for resuming. Is overwritten
* by the function.
* \param input The input data stream
* \param output The output data stream
*
* \return 0 if successful
*/
int mbedtls_aes_crypt_ctr( mbedtls_aes_context *ctx,
size_t length,
size_t *nc_off,
unsigned char nonce_counter[16],
unsigned char stream_block[16],
const unsigned char *input,
unsigned char *output );
#endif /* MBEDTLS_CIPHER_MODE_CTR */
/**
* \brief Internal AES block encryption function
* (Only exposed to allow overriding it,
* see MBEDTLS_AES_ENCRYPT_ALT)
*
* \param ctx AES context
* \param input Plaintext block
* \param output Output (ciphertext) block
*/
void mbedtls_aes_encrypt( mbedtls_aes_context *ctx,
const unsigned char input[16],
unsigned char output[16] );
/**
* \brief Internal AES block decryption function
* (Only exposed to allow overriding it,
* see MBEDTLS_AES_DECRYPT_ALT)
*
* \param ctx AES context
* \param input Ciphertext block
* \param output Output (plaintext) block
*/
void mbedtls_aes_decrypt( mbedtls_aes_context *ctx,
const unsigned char input[16],
unsigned char output[16] );
#ifdef __cplusplus
}
#endif
#else /* MBEDTLS_AES_ALT */
#include "aes_alt.h"
#endif /* MBEDTLS_AES_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_aes_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* aes.h */

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lib/mbedtls/include/mbedtls/ccm.h
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/**
* \file ccm.h
*
* \brief Counter with CBC-MAC (CCM) for 128-bit block ciphers
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_CCM_H
#define MBEDTLS_CCM_H
#include "cipher.h"
#define MBEDTLS_ERR_CCM_BAD_INPUT -0x000D /**< Bad input parameters to function. */
#define MBEDTLS_ERR_CCM_AUTH_FAILED -0x000F /**< Authenticated decryption failed. */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief CCM context structure
*/
typedef struct {
mbedtls_cipher_context_t cipher_ctx; /*!< cipher context used */
}
mbedtls_ccm_context;
/**
* \brief Initialize CCM context (just makes references valid)
* Makes the context ready for mbedtls_ccm_setkey() or
* mbedtls_ccm_free().
*
* \param ctx CCM context to initialize
*/
void mbedtls_ccm_init( mbedtls_ccm_context *ctx );
/**
* \brief CCM initialization (encryption and decryption)
*
* \param ctx CCM context to be initialized
* \param cipher cipher to use (a 128-bit block cipher)
* \param key encryption key
* \param keybits key size in bits (must be acceptable by the cipher)
*
* \return 0 if successful, or a cipher specific error code
*/
int mbedtls_ccm_setkey( mbedtls_ccm_context *ctx,
mbedtls_cipher_id_t cipher,
const unsigned char *key,
unsigned int keybits );
/**
* \brief Free a CCM context and underlying cipher sub-context
*
* \param ctx CCM context to free
*/
void mbedtls_ccm_free( mbedtls_ccm_context *ctx );
/**
* \brief CCM buffer encryption
*
* \param ctx CCM context
* \param length length of the input data in bytes
* \param iv nonce (initialization vector)
* \param iv_len length of IV in bytes
* must be 2, 3, 4, 5, 6, 7 or 8
* \param add additional data
* \param add_len length of additional data in bytes
* must be less than 2^16 - 2^8
* \param input buffer holding the input data
* \param output buffer for holding the output data
* must be at least 'length' bytes wide
* \param tag buffer for holding the tag
* \param tag_len length of the tag to generate in bytes
* must be 4, 6, 8, 10, 14 or 16
*
* \note The tag is written to a separate buffer. To get the tag
* concatenated with the output as in the CCM spec, use
* tag = output + length and make sure the output buffer is
* at least length + tag_len wide.
*
* \return 0 if successful
*/
int mbedtls_ccm_encrypt_and_tag( mbedtls_ccm_context *ctx, size_t length,
const unsigned char *iv, size_t iv_len,
const unsigned char *add, size_t add_len,
const unsigned char *input, unsigned char *output,
unsigned char *tag, size_t tag_len );
/**
* \brief CCM buffer authenticated decryption
*
* \param ctx CCM context
* \param length length of the input data
* \param iv initialization vector
* \param iv_len length of IV
* \param add additional data
* \param add_len length of additional data
* \param input buffer holding the input data
* \param output buffer for holding the output data
* \param tag buffer holding the tag
* \param tag_len length of the tag
*
* \return 0 if successful and authenticated,
* MBEDTLS_ERR_CCM_AUTH_FAILED if tag does not match
*/
int mbedtls_ccm_auth_decrypt( mbedtls_ccm_context *ctx, size_t length,
const unsigned char *iv, size_t iv_len,
const unsigned char *add, size_t add_len,
const unsigned char *input, unsigned char *output,
const unsigned char *tag, size_t tag_len );
#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_ccm_self_test( int verbose );
#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_CCM_H */

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lib/mbedtls/include/mbedtls/check_config.h
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/**
* \file check_config.h
*
* \brief Consistency checks for configuration options
*
* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
/*
* It is recommended to include this file from your config.h
* in order to catch dependency issues early.
*/
#ifndef MBEDTLS_CHECK_CONFIG_H
#define MBEDTLS_CHECK_CONFIG_H
/*
* We assume CHAR_BIT is 8 in many places. In practice, this is true on our
* target platforms, so not an issue, but let's just be extra sure.
*/
#include <limits.h>
#if CHAR_BIT != 8
#error "mbed TLS requires a platform with 8-bit chars"
#endif
#if defined(_WIN32)
#if !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_C is required on Windows"
#endif
/* Fix the config here. Not convenient to put an #ifdef _WIN32 in config.h as
* it would confuse config.pl. */
#if !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && \
!defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
#define MBEDTLS_PLATFORM_SNPRINTF_ALT
#endif
#endif /* _WIN32 */
#if defined(TARGET_LIKE_MBED) && \
( defined(MBEDTLS_NET_C) || defined(MBEDTLS_TIMING_C) )
#error "The NET and TIMING modules are not available for mbed OS - please use the network and timing functions provided by mbed OS"
#endif
#if defined(MBEDTLS_DEPRECATED_WARNING) && \
!defined(__GNUC__) && !defined(__clang__)
#error "MBEDTLS_DEPRECATED_WARNING only works with GCC and Clang"
#endif
#if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_HAVE_TIME)
#error "MBEDTLS_HAVE_TIME_DATE without MBEDTLS_HAVE_TIME does not make sense"
#endif
#if defined(MBEDTLS_AESNI_C) && !defined(MBEDTLS_HAVE_ASM)
#error "MBEDTLS_AESNI_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_AES_C)
#error "MBEDTLS_CTR_DRBG_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_DHM_C) && !defined(MBEDTLS_BIGNUM_C)
#error "MBEDTLS_DHM_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_CMAC_C) && \
!defined(MBEDTLS_AES_C) && !defined(MBEDTLS_DES_C)
#error "MBEDTLS_CMAC_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECDH_C) && !defined(MBEDTLS_ECP_C)
#error "MBEDTLS_ECDH_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECDSA_C) && \
( !defined(MBEDTLS_ECP_C) || \
!defined(MBEDTLS_ASN1_PARSE_C) || \
!defined(MBEDTLS_ASN1_WRITE_C) )
#error "MBEDTLS_ECDSA_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECJPAKE_C) && \
( !defined(MBEDTLS_ECP_C) || !defined(MBEDTLS_MD_C) )
#error "MBEDTLS_ECJPAKE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECDSA_DETERMINISTIC) && !defined(MBEDTLS_HMAC_DRBG_C)
#error "MBEDTLS_ECDSA_DETERMINISTIC defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ECP_C) && ( !defined(MBEDTLS_BIGNUM_C) || ( \
!defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_BP256R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_BP384R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_BP512R1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED) && \
!defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) ) )
#error "MBEDTLS_ECP_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ENTROPY_C) && (!defined(MBEDTLS_SHA512_C) && \
!defined(MBEDTLS_SHA256_C))
#error "MBEDTLS_ENTROPY_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_SHA512_C) && \
defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 64)
#error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
#endif
#if defined(MBEDTLS_ENTROPY_C) && \
( !defined(MBEDTLS_SHA512_C) || defined(MBEDTLS_ENTROPY_FORCE_SHA256) ) \
&& defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 32)
#error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
#endif
#if defined(MBEDTLS_ENTROPY_C) && \
defined(MBEDTLS_ENTROPY_FORCE_SHA256) && !defined(MBEDTLS_SHA256_C)
#error "MBEDTLS_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
( !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) )
#error "MBEDTLS_TEST_NULL_ENTROPY defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
( defined(MBEDTLS_ENTROPY_NV_SEED) || defined(MBEDTLS_ENTROPY_HARDWARE_ALT) || \
defined(MBEDTLS_HAVEGE_C) )
#error "MBEDTLS_TEST_NULL_ENTROPY defined, but entropy sources too"
#endif
#if defined(MBEDTLS_GCM_C) && ( \
!defined(MBEDTLS_AES_C) && !defined(MBEDTLS_CAMELLIA_C) )
#error "MBEDTLS_GCM_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_HAVEGE_C) && !defined(MBEDTLS_TIMING_C)
#error "MBEDTLS_HAVEGE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_HMAC_DRBG_C) && !defined(MBEDTLS_MD_C)
#error "MBEDTLS_HMAC_DRBG_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) && \
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
#error "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) && \
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
#error "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(MBEDTLS_DHM_C)
#error "MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) && \
!defined(MBEDTLS_ECDH_C)
#error "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) && \
( !defined(MBEDTLS_DHM_C) || !defined(MBEDTLS_RSA_C) || \
!defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) && \
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_RSA_C) || \
!defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) && \
( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDSA_C) || \
!defined(MBEDTLS_X509_CRT_PARSE_C) )
#error "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) && \
( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
!defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) && \
( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
!defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) && \
( !defined(MBEDTLS_ECJPAKE_C) || !defined(MBEDTLS_SHA256_C) || \
!defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) )
#error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && \
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
#error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PADLOCK_C) && !defined(MBEDTLS_HAVE_ASM)
#error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PEM_PARSE_C) && !defined(MBEDTLS_BASE64_C)
#error "MBEDTLS_PEM_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PEM_WRITE_C) && !defined(MBEDTLS_BASE64_C)
#error "MBEDTLS_PEM_WRITE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PK_C) && \
( !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_ECP_C) )
#error "MBEDTLS_PK_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_PK_C)
#error "MBEDTLS_PK_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PK_WRITE_C) && !defined(MBEDTLS_PK_C)
#error "MBEDTLS_PK_WRITE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PKCS11_C) && !defined(MBEDTLS_PK_C)
#error "MBEDTLS_PKCS11_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_EXIT_ALT) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_EXIT_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_EXIT_MACRO) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_EXIT_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_EXIT_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_EXIT) ||\
defined(MBEDTLS_PLATFORM_EXIT_ALT) )
#error "MBEDTLS_PLATFORM_EXIT_MACRO and MBEDTLS_PLATFORM_STD_EXIT/MBEDTLS_PLATFORM_EXIT_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_TIME_ALT) &&\
( !defined(MBEDTLS_PLATFORM_C) ||\
!defined(MBEDTLS_HAVE_TIME) )
#error "MBEDTLS_PLATFORM_TIME_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
( !defined(MBEDTLS_PLATFORM_C) ||\
!defined(MBEDTLS_HAVE_TIME) )
#error "MBEDTLS_PLATFORM_TIME_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
( !defined(MBEDTLS_PLATFORM_C) ||\
!defined(MBEDTLS_HAVE_TIME) )
#error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
defined(MBEDTLS_PLATFORM_TIME_ALT) )
#error "MBEDTLS_PLATFORM_TIME_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
defined(MBEDTLS_PLATFORM_TIME_ALT) )
#error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_FPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_FPRINTF_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_FPRINTF_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_FPRINTF) ||\
defined(MBEDTLS_PLATFORM_FPRINTF_ALT) )
#error "MBEDTLS_PLATFORM_FPRINTF_MACRO and MBEDTLS_PLATFORM_STD_FPRINTF/MBEDTLS_PLATFORM_FPRINTF_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
#error "MBEDTLS_PLATFORM_FREE_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
defined(MBEDTLS_PLATFORM_STD_FREE)
#error "MBEDTLS_PLATFORM_FREE_MACRO and MBEDTLS_PLATFORM_STD_FREE cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) && !defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
#error "MBEDTLS_PLATFORM_CALLOC_MACRO must be defined if MBEDTLS_PLATFORM_FREE_MACRO is"
#endif
#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
#error "MBEDTLS_PLATFORM_CALLOC_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
defined(MBEDTLS_PLATFORM_STD_CALLOC)
#error "MBEDTLS_PLATFORM_CALLOC_MACRO and MBEDTLS_PLATFORM_STD_CALLOC cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) && !defined(MBEDTLS_PLATFORM_FREE_MACRO)
#error "MBEDTLS_PLATFORM_FREE_MACRO must be defined if MBEDTLS_PLATFORM_CALLOC_MACRO is"
#endif
#if defined(MBEDTLS_PLATFORM_MEMORY) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_MEMORY defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_PRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_PRINTF_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_PRINTF_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_PRINTF) ||\
defined(MBEDTLS_PLATFORM_PRINTF_ALT) )
#error "MBEDTLS_PLATFORM_PRINTF_MACRO and MBEDTLS_PLATFORM_STD_PRINTF/MBEDTLS_PLATFORM_PRINTF_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_SNPRINTF_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
#error "MBEDTLS_PLATFORM_SNPRINTF_MACRO defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_SNPRINTF) ||\
defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) )
#error "MBEDTLS_PLATFORM_SNPRINTF_MACRO and MBEDTLS_PLATFORM_STD_SNPRINTF/MBEDTLS_PLATFORM_SNPRINTF_ALT cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_STD_MEM_HDR) &&\
!defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
#error "MBEDTLS_PLATFORM_STD_MEM_HDR defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
#error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
#error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_FREE) && !defined(MBEDTLS_PLATFORM_MEMORY)
#error "MBEDTLS_PLATFORM_STD_FREE defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_EXIT) &&\
!defined(MBEDTLS_PLATFORM_EXIT_ALT)
#error "MBEDTLS_PLATFORM_STD_EXIT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_TIME) &&\
( !defined(MBEDTLS_PLATFORM_TIME_ALT) ||\
!defined(MBEDTLS_HAVE_TIME) )
#error "MBEDTLS_PLATFORM_STD_TIME defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_FPRINTF) &&\
!defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
#error "MBEDTLS_PLATFORM_STD_FPRINTF defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_PRINTF) &&\
!defined(MBEDTLS_PLATFORM_PRINTF_ALT)
#error "MBEDTLS_PLATFORM_STD_PRINTF defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_SNPRINTF) &&\
!defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
#error "MBEDTLS_PLATFORM_STD_SNPRINTF defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ENTROPY_NV_SEED) &&\
( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_ENTROPY_C) )
#error "MBEDTLS_ENTROPY_NV_SEED defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_NV_SEED_ALT) &&\
!defined(MBEDTLS_ENTROPY_NV_SEED)
#error "MBEDTLS_PLATFORM_NV_SEED_ALT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) &&\
!defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
#error "MBEDTLS_PLATFORM_STD_NV_SEED_READ defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) &&\
!defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
#error "MBEDTLS_PLATFORM_STD_NV_SEED_WRITE defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_PLATFORM_NV_SEED_READ_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) ||\
defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
#error "MBEDTLS_PLATFORM_NV_SEED_READ_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_READ cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO) &&\
( defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) ||\
defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
#error "MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_WRITE cannot be defined simultaneously"
#endif
#if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_BIGNUM_C) || \
!defined(MBEDTLS_OID_C) )
#error "MBEDTLS_RSA_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_PKCS1_V21) && \
!defined(MBEDTLS_PKCS1_V15) )
#error "MBEDTLS_RSA_C defined, but none of the PKCS1 versions enabled"
#endif
#if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) && \
( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_PKCS1_V21) )
#error "MBEDTLS_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_SSL3) && ( !defined(MBEDTLS_MD5_C) || \
!defined(MBEDTLS_SHA1_C) )
#error "MBEDTLS_SSL_PROTO_SSL3 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1) && ( !defined(MBEDTLS_MD5_C) || \
!defined(MBEDTLS_SHA1_C) )
#error "MBEDTLS_SSL_PROTO_TLS1 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_1) && ( !defined(MBEDTLS_MD5_C) || \
!defined(MBEDTLS_SHA1_C) )
#error "MBEDTLS_SSL_PROTO_TLS1_1 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_2) && ( !defined(MBEDTLS_SHA1_C) && \
!defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
#error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_PROTO_DTLS) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_2)
#error "MBEDTLS_SSL_PROTO_DTLS defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_CLI_C) && !defined(MBEDTLS_SSL_TLS_C)
#error "MBEDTLS_SSL_CLI_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && ( !defined(MBEDTLS_CIPHER_C) || \
!defined(MBEDTLS_MD_C) )
#error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_TLS_C)
#error "MBEDTLS_SSL_SRV_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && (!defined(MBEDTLS_SSL_PROTO_SSL3) && \
!defined(MBEDTLS_SSL_PROTO_TLS1) && !defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_2))
#error "MBEDTLS_SSL_TLS_C defined, but no protocols are active"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
defined(MBEDTLS_SSL_PROTO_TLS1_1) && !defined(MBEDTLS_SSL_PROTO_TLS1))
#error "Illegal protocol selection"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_TLS1) && \
defined(MBEDTLS_SSL_PROTO_TLS1_2) && !defined(MBEDTLS_SSL_PROTO_TLS1_1))
#error "Illegal protocol selection"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
defined(MBEDTLS_SSL_PROTO_TLS1_2) && (!defined(MBEDTLS_SSL_PROTO_TLS1) || \
!defined(MBEDTLS_SSL_PROTO_TLS1_1)))
#error "Illegal protocol selection"
#endif
#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && !defined(MBEDTLS_SSL_PROTO_DTLS)
#error "MBEDTLS_SSL_DTLS_HELLO_VERIFY defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE) && \
!defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
#error "MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) && \
( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
#error "MBEDTLS_SSL_DTLS_ANTI_REPLAY defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) && \
( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
#error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) && \
!defined(MBEDTLS_SSL_PROTO_TLS1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_2)
#error "MBEDTLS_SSL_ENCRYPT_THEN_MAC defined, but not all prerequsites"
#endif
#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) && \
!defined(MBEDTLS_SSL_PROTO_TLS1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
!defined(MBEDTLS_SSL_PROTO_TLS1_2)
#error "MBEDTLS_SSL_EXTENDED_MASTER_SECRET defined, but not all prerequsites"
#endif
#if defined(MBEDTLS_SSL_TICKET_C) && !defined(MBEDTLS_CIPHER_C)
#error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) && \
!defined(MBEDTLS_SSL_PROTO_SSL3) && !defined(MBEDTLS_SSL_PROTO_TLS1)
#error "MBEDTLS_SSL_CBC_RECORD_SPLITTING defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
!defined(MBEDTLS_X509_CRT_PARSE_C)
#error "MBEDTLS_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_THREADING_PTHREAD)
#if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
#error "MBEDTLS_THREADING_PTHREAD defined, but not all prerequisites"
#endif
#define MBEDTLS_THREADING_IMPL
#endif
#if defined(MBEDTLS_THREADING_ALT)
#if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
#error "MBEDTLS_THREADING_ALT defined, but not all prerequisites"
#endif
#define MBEDTLS_THREADING_IMPL
#endif
#if defined(MBEDTLS_THREADING_C) && !defined(MBEDTLS_THREADING_IMPL)
#error "MBEDTLS_THREADING_C defined, single threading implementation required"
#endif
#undef MBEDTLS_THREADING_IMPL
#if defined(MBEDTLS_VERSION_FEATURES) && !defined(MBEDTLS_VERSION_C)
#error "MBEDTLS_VERSION_FEATURES defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_USE_C) && ( !defined(MBEDTLS_BIGNUM_C) || \
!defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_PARSE_C) || \
!defined(MBEDTLS_PK_PARSE_C) )
#error "MBEDTLS_X509_USE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CREATE_C) && ( !defined(MBEDTLS_BIGNUM_C) || \
!defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_WRITE_C) || \
!defined(MBEDTLS_PK_WRITE_C) )
#error "MBEDTLS_X509_CREATE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CRT_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
#error "MBEDTLS_X509_CRT_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CRL_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
#error "MBEDTLS_X509_CRL_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CSR_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
#error "MBEDTLS_X509_CSR_PARSE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CRT_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
#error "MBEDTLS_X509_CRT_WRITE_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_X509_CSR_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
#error "MBEDTLS_X509_CSR_WRITE_C defined, but not all prerequisites"
#endif
/*
* Avoid warning from -pedantic. This is a convenient place for this
* workaround since this is included by every single file before the
* #if defined(MBEDTLS_xxx_C) that results in emtpy translation units.
*/
typedef int mbedtls_iso_c_forbids_empty_translation_units;
#endif /* MBEDTLS_CHECK_CONFIG_H */

709
lib/mbedtls/include/mbedtls/cipher.h
View File

@ -1,709 +0,0 @@
/**
* \file cipher.h
*
* \brief Generic cipher wrapper.
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_CIPHER_H
#define MBEDTLS_CIPHER_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include <stddef.h>
#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CCM_C)
#define MBEDTLS_CIPHER_MODE_AEAD
#endif
#if defined(MBEDTLS_CIPHER_MODE_CBC)
#define MBEDTLS_CIPHER_MODE_WITH_PADDING
#endif
#if defined(MBEDTLS_ARC4_C)
#define MBEDTLS_CIPHER_MODE_STREAM
#endif
#if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
!defined(inline) && !defined(__cplusplus)
#define inline __inline
#endif
#define MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE -0x6080 /**< The selected feature is not available. */
#define MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA -0x6100 /**< Bad input parameters to function. */
#define MBEDTLS_ERR_CIPHER_ALLOC_FAILED -0x6180 /**< Failed to allocate memory. */
#define MBEDTLS_ERR_CIPHER_INVALID_PADDING -0x6200 /**< Input data contains invalid padding and is rejected. */
#define MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED -0x6280 /**< Decryption of block requires a full block. */
#define MBEDTLS_ERR_CIPHER_AUTH_FAILED -0x6300 /**< Authentication failed (for AEAD modes). */
#define MBEDTLS_ERR_CIPHER_INVALID_CONTEXT -0x6380 /**< The context is invalid, eg because it was free()ed. */
#define MBEDTLS_CIPHER_VARIABLE_IV_LEN 0x01 /**< Cipher accepts IVs of variable length */
#define MBEDTLS_CIPHER_VARIABLE_KEY_LEN 0x02 /**< Cipher accepts keys of variable length */
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
MBEDTLS_CIPHER_ID_NONE = 0,
MBEDTLS_CIPHER_ID_NULL,
MBEDTLS_CIPHER_ID_AES,
MBEDTLS_CIPHER_ID_DES,
MBEDTLS_CIPHER_ID_3DES,
MBEDTLS_CIPHER_ID_CAMELLIA,
MBEDTLS_CIPHER_ID_BLOWFISH,
MBEDTLS_CIPHER_ID_ARC4,
} mbedtls_cipher_id_t;
typedef enum {
MBEDTLS_CIPHER_NONE = 0,
MBEDTLS_CIPHER_NULL,
MBEDTLS_CIPHER_AES_128_ECB,
MBEDTLS_CIPHER_AES_192_ECB,
MBEDTLS_CIPHER_AES_256_ECB,
MBEDTLS_CIPHER_AES_128_CBC,
MBEDTLS_CIPHER_AES_192_CBC,
MBEDTLS_CIPHER_AES_256_CBC,
MBEDTLS_CIPHER_AES_128_CFB128,
MBEDTLS_CIPHER_AES_192_CFB128,
MBEDTLS_CIPHER_AES_256_CFB128,
MBEDTLS_CIPHER_AES_128_CTR,
MBEDTLS_CIPHER_AES_192_CTR,
MBEDTLS_CIPHER_AES_256_CTR,
MBEDTLS_CIPHER_AES_128_GCM,
MBEDTLS_CIPHER_AES_192_GCM,
MBEDTLS_CIPHER_AES_256_GCM,
MBEDTLS_CIPHER_CAMELLIA_128_ECB,
MBEDTLS_CIPHER_CAMELLIA_192_ECB,
MBEDTLS_CIPHER_CAMELLIA_256_ECB,
MBEDTLS_CIPHER_CAMELLIA_128_CBC,
MBEDTLS_CIPHER_CAMELLIA_192_CBC,
MBEDTLS_CIPHER_CAMELLIA_256_CBC,
MBEDTLS_CIPHER_CAMELLIA_128_CFB128,
MBEDTLS_CIPHER_CAMELLIA_192_CFB128,
MBEDTLS_CIPHER_CAMELLIA_256_CFB128,
MBEDTLS_CIPHER_CAMELLIA_128_CTR,
MBEDTLS_CIPHER_CAMELLIA_192_CTR,
MBEDTLS_CIPHER_CAMELLIA_256_CTR,
MBEDTLS_CIPHER_CAMELLIA_128_GCM,
MBEDTLS_CIPHER_CAMELLIA_192_GCM,
MBEDTLS_CIPHER_CAMELLIA_256_GCM,
MBEDTLS_CIPHER_DES_ECB,
MBEDTLS_CIPHER_DES_CBC,
MBEDTLS_CIPHER_DES_EDE_ECB,
MBEDTLS_CIPHER_DES_EDE_CBC,
MBEDTLS_CIPHER_DES_EDE3_ECB,
MBEDTLS_CIPHER_DES_EDE3_CBC,
MBEDTLS_CIPHER_BLOWFISH_ECB,
MBEDTLS_CIPHER_BLOWFISH_CBC,
MBEDTLS_CIPHER_BLOWFISH_CFB64,
MBEDTLS_CIPHER_BLOWFISH_CTR,
MBEDTLS_CIPHER_ARC4_128,
MBEDTLS_CIPHER_AES_128_CCM,
MBEDTLS_CIPHER_AES_192_CCM,
MBEDTLS_CIPHER_AES_256_CCM,
MBEDTLS_CIPHER_CAMELLIA_128_CCM,
MBEDTLS_CIPHER_CAMELLIA_192_CCM,
MBEDTLS_CIPHER_CAMELLIA_256_CCM,
} mbedtls_cipher_type_t;
typedef enum {
MBEDTLS_MODE_NONE = 0,
MBEDTLS_MODE_ECB,
MBEDTLS_MODE_CBC,
MBEDTLS_MODE_CFB,
MBEDTLS_MODE_OFB, /* Unused! */
MBEDTLS_MODE_CTR,
MBEDTLS_MODE_GCM,
MBEDTLS_MODE_STREAM,
MBEDTLS_MODE_CCM,
} mbedtls_cipher_mode_t;
typedef enum {
MBEDTLS_PADDING_PKCS7 = 0, /**< PKCS7 padding (default) */
MBEDTLS_PADDING_ONE_AND_ZEROS, /**< ISO/IEC 7816-4 padding */
MBEDTLS_PADDING_ZEROS_AND_LEN, /**< ANSI X.923 padding */
MBEDTLS_PADDING_ZEROS, /**< zero padding (not reversible!) */
MBEDTLS_PADDING_NONE, /**< never pad (full blocks only) */
} mbedtls_cipher_padding_t;
typedef enum {
MBEDTLS_OPERATION_NONE = -1,
MBEDTLS_DECRYPT = 0,
MBEDTLS_ENCRYPT,
} mbedtls_operation_t;
enum {
/** Undefined key length */
MBEDTLS_KEY_LENGTH_NONE = 0,
/** Key length, in bits (including parity), for DES keys */
MBEDTLS_KEY_LENGTH_DES = 64,
/** Key length, in bits (including parity), for DES in two key EDE */
MBEDTLS_KEY_LENGTH_DES_EDE = 128,
/** Key length, in bits (including parity), for DES in three-key EDE */
MBEDTLS_KEY_LENGTH_DES_EDE3 = 192,
};
/** Maximum length of any IV, in bytes */
#define MBEDTLS_MAX_IV_LENGTH 16
/** Maximum block size of any cipher, in bytes */
#define MBEDTLS_MAX_BLOCK_LENGTH 16
/**
* Base cipher information (opaque struct).
*/
typedef struct mbedtls_cipher_base_t mbedtls_cipher_base_t;
/**
* CMAC context (opaque struct).
*/
typedef struct mbedtls_cmac_context_t mbedtls_cmac_context_t;
/**
* Cipher information. Allows cipher functions to be called in a generic way.
*/
typedef struct {
/** Full cipher identifier (e.g. MBEDTLS_CIPHER_AES_256_CBC) */
mbedtls_cipher_type_t type;
/** Cipher mode (e.g. MBEDTLS_MODE_CBC) */
mbedtls_cipher_mode_t mode;
/** Cipher key length, in bits (default length for variable sized ciphers)
* (Includes parity bits for ciphers like DES) */
unsigned int key_bitlen;
/** Name of the cipher */
const char * name;
/** IV/NONCE size, in bytes.
* For cipher that accept many sizes: recommended size */
unsigned int iv_size;
/** Flags for variable IV size, variable key size, etc. */
int flags;
/** block size, in bytes */
unsigned int block_size;
/** Base cipher information and functions */
const mbedtls_cipher_base_t *base;
} mbedtls_cipher_info_t;
/**
* Generic cipher context.
*/
typedef struct {
/** Information about the associated cipher */
const mbedtls_cipher_info_t *cipher_info;
/** Key length to use */
int key_bitlen;
/** Operation that the context's key has been initialised for */
mbedtls_operation_t operation;
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
/** Padding functions to use, if relevant for cipher mode */
void (*add_padding)( unsigned char *output, size_t olen, size_t data_len );
int (*get_padding)( unsigned char *input, size_t ilen, size_t *data_len );
#endif
/** Buffer for data that hasn't been encrypted yet */
unsigned char unprocessed_data[MBEDTLS_MAX_BLOCK_LENGTH];
/** Number of bytes that still need processing */
size_t unprocessed_len;
/** Current IV or NONCE_COUNTER for CTR-mode */
unsigned char iv[MBEDTLS_MAX_IV_LENGTH];
/** IV size in bytes (for ciphers with variable-length IVs) */
size_t iv_size;
/** Cipher-specific context */
void *cipher_ctx;
#if defined(MBEDTLS_CMAC_C)
/** CMAC Specific context */
mbedtls_cmac_context_t *cmac_ctx;
#endif
} mbedtls_cipher_context_t;
/**
* \brief Returns the list of ciphers supported by the generic cipher module.
*
* \return a statically allocated array of ciphers, the last entry
* is 0.
*/
const int *mbedtls_cipher_list( void );
/**
* \brief Returns the cipher information structure associated
* with the given cipher name.
*
* \param cipher_name Name of the cipher to search for.
*
* \return the cipher information structure associated with the
* given cipher_name, or NULL if not found.
*/
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_string( const char *cipher_name );
/**
* \brief Returns the cipher information structure associated
* with the given cipher type.
*
* \param cipher_type Type of the cipher to search for.
*
* \return the cipher information structure associated with the
* given cipher_type, or NULL if not found.
*/
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_type( const mbedtls_cipher_type_t cipher_type );
/**
* \brief Returns the cipher information structure associated
* with the given cipher id, key size and mode.
*
* \param cipher_id Id of the cipher to search for
* (e.g. MBEDTLS_CIPHER_ID_AES)
* \param key_bitlen Length of the key in bits
* \param mode Cipher mode (e.g. MBEDTLS_MODE_CBC)
*
* \return the cipher information structure associated with the
* given cipher_type, or NULL if not found.
*/
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_values( const mbedtls_cipher_id_t cipher_id,
int key_bitlen,
const mbedtls_cipher_mode_t mode );
/**
* \brief Initialize a cipher_context (as NONE)
*/
void mbedtls_cipher_init( mbedtls_cipher_context_t *ctx );
/**
* \brief Free and clear the cipher-specific context of ctx.
* Freeing ctx itself remains the responsibility of the
* caller.
*/
void mbedtls_cipher_free( mbedtls_cipher_context_t *ctx );
/**
* \brief Initialises and fills the cipher context structure with
* the appropriate values.
*
* \note Currently also clears structure. In future versions you
* will be required to call mbedtls_cipher_init() on the structure
* first.
*
* \param ctx context to initialise. May not be NULL.
* \param cipher_info cipher to use.
*
* \return 0 on success,
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA on parameter failure,
* MBEDTLS_ERR_CIPHER_ALLOC_FAILED if allocation of the
* cipher-specific context failed.
*/
int mbedtls_cipher_setup( mbedtls_cipher_context_t *ctx, const mbedtls_cipher_info_t *cipher_info );
/**
* \brief Returns the block size of the given cipher.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return size of the cipher's blocks, or 0 if ctx has not been
* initialised.
*/
static inline unsigned int mbedtls_cipher_get_block_size( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return 0;
return ctx->cipher_info->block_size;
}
/**
* \brief Returns the mode of operation for the cipher.
* (e.g. MBEDTLS_MODE_CBC)
*
* \param ctx cipher's context. Must have been initialised.
*
* \return mode of operation, or MBEDTLS_MODE_NONE if ctx
* has not been initialised.
*/
static inline mbedtls_cipher_mode_t mbedtls_cipher_get_cipher_mode( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return MBEDTLS_MODE_NONE;
return ctx->cipher_info->mode;
}
/**
* \brief Returns the size of the cipher's IV/NONCE in bytes.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return If IV has not been set yet: (recommended) IV size
* (0 for ciphers not using IV/NONCE).
* If IV has already been set: actual size.
*/
static inline int mbedtls_cipher_get_iv_size( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return 0;
if( ctx->iv_size != 0 )
return (int) ctx->iv_size;
return (int) ctx->cipher_info->iv_size;
}
/**
* \brief Returns the type of the given cipher.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return type of the cipher, or MBEDTLS_CIPHER_NONE if ctx has
* not been initialised.
*/
static inline mbedtls_cipher_type_t mbedtls_cipher_get_type( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return MBEDTLS_CIPHER_NONE;
return ctx->cipher_info->type;
}
/**
* \brief Returns the name of the given cipher, as a string.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return name of the cipher, or NULL if ctx was not initialised.
*/
static inline const char *mbedtls_cipher_get_name( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return 0;
return ctx->cipher_info->name;
}
/**
* \brief Returns the key length of the cipher.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return cipher's key length, in bits, or
* MBEDTLS_KEY_LENGTH_NONE if ctx has not been
* initialised.
*/
static inline int mbedtls_cipher_get_key_bitlen( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return MBEDTLS_KEY_LENGTH_NONE;
return (int) ctx->cipher_info->key_bitlen;
}
/**
* \brief Returns the operation of the given cipher.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return operation (MBEDTLS_ENCRYPT or MBEDTLS_DECRYPT),
* or MBEDTLS_OPERATION_NONE if ctx has not been
* initialised.
*/
static inline mbedtls_operation_t mbedtls_cipher_get_operation( const mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return MBEDTLS_OPERATION_NONE;
return ctx->operation;
}
/**
* \brief Set the key to use with the given context.
*
* \param ctx generic cipher context. May not be NULL. Must have been
* initialised using cipher_context_from_type or
* cipher_context_from_string.
* \param key The key to use.
* \param key_bitlen key length to use, in bits.
* \param operation Operation that the key will be used for, either
* MBEDTLS_ENCRYPT or MBEDTLS_DECRYPT.
*
* \returns 0 on success, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA if
* parameter verification fails or a cipher specific
* error code.
*/
int mbedtls_cipher_setkey( mbedtls_cipher_context_t *ctx, const unsigned char *key,
int key_bitlen, const mbedtls_operation_t operation );
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
/**
* \brief Set padding mode, for cipher modes that use padding.
* (Default: PKCS7 padding.)
*
* \param ctx generic cipher context
* \param mode padding mode
*
* \returns 0 on success, MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE
* if selected padding mode is not supported, or
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA if the cipher mode
* does not support padding.
*/
int mbedtls_cipher_set_padding_mode( mbedtls_cipher_context_t *ctx, mbedtls_cipher_padding_t mode );
#endif /* MBEDTLS_CIPHER_MODE_WITH_PADDING */
/**
* \brief Set the initialization vector (IV) or nonce
*
* \param ctx generic cipher context
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
* \param iv_len IV length for ciphers with variable-size IV;
* discarded by ciphers with fixed-size IV.
*
* \returns 0 on success, or MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA
*
* \note Some ciphers don't use IVs nor NONCE. For these
* ciphers, this function has no effect.
*/
int mbedtls_cipher_set_iv( mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len );
/**
* \brief Finish preparation of the given context
*
* \param ctx generic cipher context
*
* \returns 0 on success, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA
* if parameter verification fails.
*/
int mbedtls_cipher_reset( mbedtls_cipher_context_t *ctx );
#if defined(MBEDTLS_GCM_C)
/**
* \brief Add additional data (for AEAD ciphers).
* Currently only supported with GCM.
* Must be called exactly once, after mbedtls_cipher_reset().
*
* \param ctx generic cipher context
* \param ad Additional data to use.
* \param ad_len Length of ad.
*
* \return 0 on success, or a specific error code.
*/
int mbedtls_cipher_update_ad( mbedtls_cipher_context_t *ctx,
const unsigned char *ad, size_t ad_len );
#endif /* MBEDTLS_GCM_C */
/**
* \brief Generic cipher update function. Encrypts/decrypts
* using the given cipher context. Writes as many block
* size'd blocks of data as possible to output. Any data
* that cannot be written immediately will either be added
* to the next block, or flushed when cipher_final is
* called.
* Exception: for MBEDTLS_MODE_ECB, expects single block
* in size (e.g. 16 bytes for AES)
*
* \param ctx generic cipher context
* \param input buffer holding the input data
* \param ilen length of the input data
* \param output buffer for the output data. Should be able to hold at
* least ilen + block_size. Cannot be the same buffer as
* input!
* \param olen length of the output data, will be filled with the
* actual number of bytes written.
*
* \returns 0 on success, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA if
* parameter verification fails,
* MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE on an
* unsupported mode for a cipher or a cipher specific
* error code.
*
* \note If the underlying cipher is GCM, all calls to this
* function, except the last one before mbedtls_cipher_finish(),
* must have ilen a multiple of the block size.
*/
int mbedtls_cipher_update( mbedtls_cipher_context_t *ctx, const unsigned char *input,
size_t ilen, unsigned char *output, size_t *olen );
/**
* \brief Generic cipher finalisation function. If data still
* needs to be flushed from an incomplete block, data
* contained within it will be padded with the size of
* the last block, and written to the output buffer.
*
* \param ctx Generic cipher context
* \param output buffer to write data to. Needs block_size available.
* \param olen length of the data written to the output buffer.
*
* \returns 0 on success, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA if
* parameter verification fails,
* MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED if decryption
* expected a full block but was not provided one,
* MBEDTLS_ERR_CIPHER_INVALID_PADDING on invalid padding
* while decrypting or a cipher specific error code.
*/
int mbedtls_cipher_finish( mbedtls_cipher_context_t *ctx,
unsigned char *output, size_t *olen );
#if defined(MBEDTLS_GCM_C)
/**
* \brief Write tag for AEAD ciphers.
* Currently only supported with GCM.
* Must be called after mbedtls_cipher_finish().
*
* \param ctx Generic cipher context
* \param tag buffer to write the tag
* \param tag_len Length of the tag to write
*
* \return 0 on success, or a specific error code.
*/
int mbedtls_cipher_write_tag( mbedtls_cipher_context_t *ctx,
unsigned char *tag, size_t tag_len );
/**
* \brief Check tag for AEAD ciphers.
* Currently only supported with GCM.
* Must be called after mbedtls_cipher_finish().
*
* \param ctx Generic cipher context
* \param tag Buffer holding the tag
* \param tag_len Length of the tag to check
*
* \return 0 on success, or a specific error code.
*/
int mbedtls_cipher_check_tag( mbedtls_cipher_context_t *ctx,
const unsigned char *tag, size_t tag_len );
#endif /* MBEDTLS_GCM_C */
/**
* \brief Generic all-in-one encryption/decryption
* (for all ciphers except AEAD constructs).
*
* \param ctx generic cipher context
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
* \param iv_len IV length for ciphers with variable-size IV;
* discarded by ciphers with fixed-size IV.
* \param input buffer holding the input data
* \param ilen length of the input data
* \param output buffer for the output data. Should be able to hold at
* least ilen + block_size. Cannot be the same buffer as
* input!
* \param olen length of the output data, will be filled with the
* actual number of bytes written.
*
* \note Some ciphers don't use IVs nor NONCE. For these
* ciphers, use iv = NULL and iv_len = 0.
*
* \returns 0 on success, or
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA, or
* MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED if decryption
* expected a full block but was not provided one, or
* MBEDTLS_ERR_CIPHER_INVALID_PADDING on invalid padding
* while decrypting, or
* a cipher specific error code.
*/
int mbedtls_cipher_crypt( mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *input, size_t ilen,
unsigned char *output, size_t *olen );
#if defined(MBEDTLS_CIPHER_MODE_AEAD)
/**
* \brief Generic autenticated encryption (AEAD ciphers).
*
* \param ctx generic cipher context
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
* \param iv_len IV length for ciphers with variable-size IV;
* discarded by ciphers with fixed-size IV.
* \param ad Additional data to authenticate.
* \param ad_len Length of ad.
* \param input buffer holding the input data
* \param ilen length of the input data
* \param output buffer for the output data.
* Should be able to hold at least ilen.
* \param olen length of the output data, will be filled with the
* actual number of bytes written.
* \param tag buffer for the authentication tag
* \param tag_len desired tag length
*
* \returns 0 on success, or
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA, or
* a cipher specific error code.
*/
int mbedtls_cipher_auth_encrypt( mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *ad, size_t ad_len,
const unsigned char *input, size_t ilen,
unsigned char *output, size_t *olen,
unsigned char *tag, size_t tag_len );
/**
* \brief Generic autenticated decryption (AEAD ciphers).
*
* \param ctx generic cipher context
* \param iv IV to use (or NONCE_COUNTER for CTR-mode ciphers)
* \param iv_len IV length for ciphers with variable-size IV;
* discarded by ciphers with fixed-size IV.
* \param ad Additional data to be authenticated.
* \param ad_len Length of ad.
* \param input buffer holding the input data
* \param ilen length of the input data
* \param output buffer for the output data.
* Should be able to hold at least ilen.
* \param olen length of the output data, will be filled with the
* actual number of bytes written.
* \param tag buffer holding the authentication tag
* \param tag_len length of the authentication tag
*
* \returns 0 on success, or
* MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA, or
* MBEDTLS_ERR_CIPHER_AUTH_FAILED if data isn't authentic,
* or a cipher specific error code.
*
* \note If the data is not authentic, then the output buffer
* is zeroed out to prevent the unauthentic plaintext to
* be used by mistake, making this interface safer.
*/
int mbedtls_cipher_auth_decrypt( mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *ad, size_t ad_len,
const unsigned char *input, size_t ilen,
unsigned char *output, size_t *olen,
const unsigned char *tag, size_t tag_len );
#endif /* MBEDTLS_CIPHER_MODE_AEAD */
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_CIPHER_H */

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/**
* \file cipher_internal.h
*
* \brief Cipher wrappers.
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_CIPHER_WRAP_H
#define MBEDTLS_CIPHER_WRAP_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include "cipher.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* Base cipher information. The non-mode specific functions and values.
*/
struct mbedtls_cipher_base_t
{
/** Base Cipher type (e.g. MBEDTLS_CIPHER_ID_AES) */
mbedtls_cipher_id_t cipher;
/** Encrypt using ECB */
int (*ecb_func)( void *ctx, mbedtls_operation_t mode,
const unsigned char *input, unsigned char *output );
#if defined(MBEDTLS_CIPHER_MODE_CBC)
/** Encrypt using CBC */
int (*cbc_func)( void *ctx, mbedtls_operation_t mode, size_t length,
unsigned char *iv, const unsigned char *input,
unsigned char *output );
#endif
#if defined(MBEDTLS_CIPHER_MODE_CFB)
/** Encrypt using CFB (Full length) */
int (*cfb_func)( void *ctx, mbedtls_operation_t mode, size_t length, size_t *iv_off,
unsigned char *iv, const unsigned char *input,
unsigned char *output );
#endif
#if defined(MBEDTLS_CIPHER_MODE_CTR)
/** Encrypt using CTR */
int (*ctr_func)( void *ctx, size_t length, size_t *nc_off,
unsigned char *nonce_counter, unsigned char *stream_block,
const unsigned char *input, unsigned char *output );
#endif
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
/** Encrypt using STREAM */
int (*stream_func)( void *ctx, size_t length,
const unsigned char *input, unsigned char *output );
#endif
/** Set key for encryption purposes */
int (*setkey_enc_func)( void *ctx, const unsigned char *key,
unsigned int key_bitlen );
/** Set key for decryption purposes */
int (*setkey_dec_func)( void *ctx, const unsigned char *key,
unsigned int key_bitlen);
/** Allocate a new context */
void * (*ctx_alloc_func)( void );
/** Free the given context */
void (*ctx_free_func)( void *ctx );
};
typedef struct
{
mbedtls_cipher_type_t type;
const mbedtls_cipher_info_t *info;
} mbedtls_cipher_definition_t;
extern const mbedtls_cipher_definition_t mbedtls_cipher_definitions[];
extern int mbedtls_cipher_supported[];
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_CIPHER_WRAP_H */

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lib/mbedtls/include/mbedtls/config.h
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lib/mbedtls/include/mbedtls/platform.h
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/**
* \file platform.h
*
* \brief mbed TLS Platform abstraction layer
*
* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_PLATFORM_H
#define MBEDTLS_PLATFORM_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(MBEDTLS_HAVE_TIME)
#include "mbedtls/platform_time.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
/**
* \name SECTION: Module settings
*
* The configuration options you can set for this module are in this section.
* Either change them in config.h or define them on the compiler command line.
* \{
*/
#if !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#if !defined(MBEDTLS_PLATFORM_STD_SNPRINTF)
#if defined(_WIN32)
#define MBEDTLS_PLATFORM_STD_SNPRINTF mbedtls_platform_win32_snprintf /**< Default snprintf to use */
#else
#define MBEDTLS_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use */
#endif
#endif
#if !defined(MBEDTLS_PLATFORM_STD_PRINTF)
#define MBEDTLS_PLATFORM_STD_PRINTF printf /**< Default printf to use */
#endif
#if !defined(MBEDTLS_PLATFORM_STD_FPRINTF)
#define MBEDTLS_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use */
#endif
#if !defined(MBEDTLS_PLATFORM_STD_CALLOC)
#define MBEDTLS_PLATFORM_STD_CALLOC calloc /**< Default allocator to use */
#endif
#if !defined(MBEDTLS_PLATFORM_STD_FREE)
#define MBEDTLS_PLATFORM_STD_FREE free /**< Default free to use */
#endif
#if !defined(MBEDTLS_PLATFORM_STD_EXIT)
#define MBEDTLS_PLATFORM_STD_EXIT exit /**< Default exit to use */
#endif
#if !defined(MBEDTLS_PLATFORM_STD_TIME)
#define MBEDTLS_PLATFORM_STD_TIME time /**< Default time to use */
#endif
#if !defined(MBEDTLS_PLATFORM_STD_EXIT_SUCCESS)
#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS EXIT_SUCCESS /**< Default exit value to use */
#endif
#if !defined(MBEDTLS_PLATFORM_STD_EXIT_FAILURE)
#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE EXIT_FAILURE /**< Default exit value to use */
#endif
#if defined(MBEDTLS_FS_IO)
#if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ)
#define MBEDTLS_PLATFORM_STD_NV_SEED_READ mbedtls_platform_std_nv_seed_read
#endif
#if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE)
#define MBEDTLS_PLATFORM_STD_NV_SEED_WRITE mbedtls_platform_std_nv_seed_write
#endif
#if !defined(MBEDTLS_PLATFORM_STD_NV_SEED_FILE)
#define MBEDTLS_PLATFORM_STD_NV_SEED_FILE "seedfile"
#endif
#endif /* MBEDTLS_FS_IO */
#else /* MBEDTLS_PLATFORM_NO_STD_FUNCTIONS */
#if defined(MBEDTLS_PLATFORM_STD_MEM_HDR)
#include MBEDTLS_PLATFORM_STD_MEM_HDR
#endif
#endif /* MBEDTLS_PLATFORM_NO_STD_FUNCTIONS */
/* \} name SECTION: Module settings */
/*
* The function pointers for calloc and free
*/
#if defined(MBEDTLS_PLATFORM_MEMORY)
#if defined(MBEDTLS_PLATFORM_FREE_MACRO) && \
defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
#define mbedtls_free MBEDTLS_PLATFORM_FREE_MACRO
#define mbedtls_calloc MBEDTLS_PLATFORM_CALLOC_MACRO
#else
/* For size_t */
#include <stddef.h>
extern void * (*mbedtls_calloc)( size_t n, size_t size );
extern void (*mbedtls_free)( void *ptr );
/**
* \brief Set your own memory implementation function pointers
*
* \param calloc_func the calloc function implementation
* \param free_func the free function implementation
*
* \return 0 if successful
*/
int mbedtls_platform_set_calloc_free( void * (*calloc_func)( size_t, size_t ),
void (*free_func)( void * ) );
#endif /* MBEDTLS_PLATFORM_FREE_MACRO && MBEDTLS_PLATFORM_CALLOC_MACRO */
#else /* !MBEDTLS_PLATFORM_MEMORY */
#define mbedtls_free free
#define mbedtls_calloc calloc
#endif /* MBEDTLS_PLATFORM_MEMORY && !MBEDTLS_PLATFORM_{FREE,CALLOC}_MACRO */
/*
* The function pointers for fprintf
*/
#if defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
/* We need FILE * */
#include <stdio.h>
extern int (*mbedtls_fprintf)( FILE *stream, const char *format, ... );
/**
* \brief Set your own fprintf function pointer
*
* \param fprintf_func the fprintf function implementation
*
* \return 0
*/
int mbedtls_platform_set_fprintf( int (*fprintf_func)( FILE *stream, const char *,
... ) );
#else
#if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO)
#define mbedtls_fprintf MBEDTLS_PLATFORM_FPRINTF_MACRO
#else
#define mbedtls_fprintf fprintf
#endif /* MBEDTLS_PLATFORM_FPRINTF_MACRO */
#endif /* MBEDTLS_PLATFORM_FPRINTF_ALT */
/*
* The function pointers for printf
*/
#if defined(MBEDTLS_PLATFORM_PRINTF_ALT)
extern int (*mbedtls_printf)( const char *format, ... );
/**
* \brief Set your own printf function pointer
*
* \param printf_func the printf function implementation
*
* \return 0
*/
int mbedtls_platform_set_printf( int (*printf_func)( const char *, ... ) );
#else /* !MBEDTLS_PLATFORM_PRINTF_ALT */
#if defined(MBEDTLS_PLATFORM_PRINTF_MACRO)
#define mbedtls_printf MBEDTLS_PLATFORM_PRINTF_MACRO
#else
#define mbedtls_printf printf
#endif /* MBEDTLS_PLATFORM_PRINTF_MACRO */
#endif /* MBEDTLS_PLATFORM_PRINTF_ALT */
/*
* The function pointers for snprintf
*
* The snprintf implementation should conform to C99:
* - it *must* always correctly zero-terminate the buffer
* (except when n == 0, then it must leave the buffer untouched)
* - however it is acceptable to return -1 instead of the required length when
* the destination buffer is too short.
*/
#if defined(_WIN32)
/* For Windows (inc. MSYS2), we provide our own fixed implementation */
int mbedtls_platform_win32_snprintf( char *s, size_t n, const char *fmt, ... );
#endif
#if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
extern int (*mbedtls_snprintf)( char * s, size_t n, const char * format, ... );
/**
* \brief Set your own snprintf function pointer
*
* \param snprintf_func the snprintf function implementation
*
* \return 0
*/
int mbedtls_platform_set_snprintf( int (*snprintf_func)( char * s, size_t n,
const char * format, ... ) );
#else /* MBEDTLS_PLATFORM_SNPRINTF_ALT */
#if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
#define mbedtls_snprintf MBEDTLS_PLATFORM_SNPRINTF_MACRO
#else
#define mbedtls_snprintf snprintf
#endif /* MBEDTLS_PLATFORM_SNPRINTF_MACRO */
#endif /* MBEDTLS_PLATFORM_SNPRINTF_ALT */
/*
* The function pointers for exit
*/
#if defined(MBEDTLS_PLATFORM_EXIT_ALT)
extern void (*mbedtls_exit)( int status );
/**
* \brief Set your own exit function pointer
*
* \param exit_func the exit function implementation
*
* \return 0
*/
int mbedtls_platform_set_exit( void (*exit_func)( int status ) );
#else
#if defined(MBEDTLS_PLATFORM_EXIT_MACRO)
#define mbedtls_exit MBEDTLS_PLATFORM_EXIT_MACRO
#else
#define mbedtls_exit exit
#endif /* MBEDTLS_PLATFORM_EXIT_MACRO */
#endif /* MBEDTLS_PLATFORM_EXIT_ALT */
/*
* The default exit values
*/
#if defined(MBEDTLS_PLATFORM_STD_EXIT_SUCCESS)
#define MBEDTLS_EXIT_SUCCESS MBEDTLS_PLATFORM_STD_EXIT_SUCCESS
#else
#define MBEDTLS_EXIT_SUCCESS 0
#endif
#if defined(MBEDTLS_PLATFORM_STD_EXIT_FAILURE)
#define MBEDTLS_EXIT_FAILURE MBEDTLS_PLATFORM_STD_EXIT_FAILURE
#else
#define MBEDTLS_EXIT_FAILURE 1
#endif
/*
* The function pointers for reading from and writing a seed file to
* Non-Volatile storage (NV) in a platform-independent way
*
* Only enabled when the NV seed entropy source is enabled
*/
#if defined(MBEDTLS_ENTROPY_NV_SEED)
#if !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS) && defined(MBEDTLS_FS_IO)
/* Internal standard platform definitions */
int mbedtls_platform_std_nv_seed_read( unsigned char *buf, size_t buf_len );
int mbedtls_platform_std_nv_seed_write( unsigned char *buf, size_t buf_len );
#endif
#if defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
extern int (*mbedtls_nv_seed_read)( unsigned char *buf, size_t buf_len );
extern int (*mbedtls_nv_seed_write)( unsigned char *buf, size_t buf_len );
/**
* \brief Set your own seed file writing/reading functions
*
* \param nv_seed_read_func the seed reading function implementation
* \param nv_seed_write_func the seed writing function implementation
*
* \return 0
*/
int mbedtls_platform_set_nv_seed(
int (*nv_seed_read_func)( unsigned char *buf, size_t buf_len ),
int (*nv_seed_write_func)( unsigned char *buf, size_t buf_len )
);
#else
#if defined(MBEDTLS_PLATFORM_NV_SEED_READ_MACRO) && \
defined(MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO)
#define mbedtls_nv_seed_read MBEDTLS_PLATFORM_NV_SEED_READ_MACRO
#define mbedtls_nv_seed_write MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO
#else
#define mbedtls_nv_seed_read mbedtls_platform_std_nv_seed_read
#define mbedtls_nv_seed_write mbedtls_platform_std_nv_seed_write
#endif
#endif /* MBEDTLS_PLATFORM_NV_SEED_ALT */
#endif /* MBEDTLS_ENTROPY_NV_SEED */
#ifdef __cplusplus
}
#endif
#endif /* platform.h */

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/**
* \file platform_time.h
*
* \brief mbed TLS Platform time abstraction
*
* Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_PLATFORM_TIME_H
#define MBEDTLS_PLATFORM_TIME_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#ifdef __cplusplus
extern "C" {
#endif
/**
* \name SECTION: Module settings
*
* The configuration options you can set for this module are in this section.
* Either change them in config.h or define them on the compiler command line.
* \{
*/
/*
* The time_t datatype
*/
#if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO)
typedef MBEDTLS_PLATFORM_TIME_TYPE_MACRO mbedtls_time_t;
#else
/* For time_t */
#include <time.h>
typedef time_t mbedtls_time_t;
#endif /* MBEDTLS_PLATFORM_TIME_TYPE_MACRO */
/*
* The function pointers for time
*/
#if defined(MBEDTLS_PLATFORM_TIME_ALT)
extern mbedtls_time_t (*mbedtls_time)( mbedtls_time_t* time );
/**
* \brief Set your own time function pointer
*
* \param time_func the time function implementation
*
* \return 0
*/
int mbedtls_platform_set_time( mbedtls_time_t (*time_func)( mbedtls_time_t* time ) );
#else
#if defined(MBEDTLS_PLATFORM_TIME_MACRO)
#define mbedtls_time MBEDTLS_PLATFORM_TIME_MACRO
#else
#define mbedtls_time time
#endif /* MBEDTLS_PLATFORM_TIME_MACRO */
#endif /* MBEDTLS_PLATFORM_TIME_ALT */
#ifdef __cplusplus
}
#endif
#endif /* platform_time.h */

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/*
* NIST SP800-38C compliant CCM implementation
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
/*
* Definition of CCM:
* http://csrc.nist.gov/publications/nistpubs/800-38C/SP800-38C_updated-July20_2007.pdf
* RFC 3610 "Counter with CBC-MAC (CCM)"
*
* Related:
* RFC 5116 "An Interface and Algorithms for Authenticated Encryption"
*/
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(MBEDTLS_CCM_C)
#include "mbedtls/ccm.h"
#include <string.h>
#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#include <stdio.h>
#define mbedtls_printf printf
#endif /* MBEDTLS_PLATFORM_C */
#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
/* Implementation that should never be optimized out by the compiler */
static void mbedtls_zeroize( void *v, size_t n ) {
volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;
}
#define CCM_ENCRYPT 0
#define CCM_DECRYPT 1
/*
* Initialize context
*/
void mbedtls_ccm_init( mbedtls_ccm_context *ctx )
{
memset( ctx, 0, sizeof( mbedtls_ccm_context ) );
}
int mbedtls_ccm_setkey( mbedtls_ccm_context *ctx,
mbedtls_cipher_id_t cipher,
const unsigned char *key,
unsigned int keybits )
{
int ret;
const mbedtls_cipher_info_t *cipher_info;
cipher_info = mbedtls_cipher_info_from_values( cipher, keybits, MBEDTLS_MODE_ECB );
if( cipher_info == NULL )
return( MBEDTLS_ERR_CCM_BAD_INPUT );
if( cipher_info->block_size != 16 )
return( MBEDTLS_ERR_CCM_BAD_INPUT );
mbedtls_cipher_free( &ctx->cipher_ctx );
if( ( ret = mbedtls_cipher_setup( &ctx->cipher_ctx, cipher_info ) ) != 0 )
return( ret );
if( ( ret = mbedtls_cipher_setkey( &ctx->cipher_ctx, key, keybits,
MBEDTLS_ENCRYPT ) ) != 0 )
{
return( ret );
}
return( 0 );
}
/*
* Free context
*/
void mbedtls_ccm_free( mbedtls_ccm_context *ctx )
{
mbedtls_cipher_free( &ctx->cipher_ctx );
mbedtls_zeroize( ctx, sizeof( mbedtls_ccm_context ) );
}
/*
* Macros for common operations.
* Results in smaller compiled code than static inline functions.
*/
/*
* Update the CBC-MAC state in y using a block in b
* (Always using b as the source helps the compiler optimise a bit better.)
*/
#define UPDATE_CBC_MAC \
for( i = 0; i < 16; i++ ) \
y[i] ^= b[i]; \
\
if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, y, 16, y, &olen ) ) != 0 ) \
return( ret );
/*
* Encrypt or decrypt a partial block with CTR
* Warning: using b for temporary storage! src and dst must not be b!
* This avoids allocating one more 16 bytes buffer while allowing src == dst.
*/
#define CTR_CRYPT( dst, src, len ) \
if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, ctr, 16, b, &olen ) ) != 0 ) \
return( ret ); \
\
for( i = 0; i < len; i++ ) \
dst[i] = src[i] ^ b[i];
/*
* Authenticated encryption or decryption
*/
static int ccm_auth_crypt( mbedtls_ccm_context *ctx, int mode, size_t length,
const unsigned char *iv, size_t iv_len,
const unsigned char *add, size_t add_len,
const unsigned char *input, unsigned char *output,
unsigned char *tag, size_t tag_len )
{
int ret;
unsigned char i;
unsigned char q;
size_t len_left, olen;
unsigned char b[16];
unsigned char y[16];
unsigned char ctr[16];
const unsigned char *src;
unsigned char *dst;
/*
* Check length requirements: SP800-38C A.1
* Additional requirement: a < 2^16 - 2^8 to simplify the code.
* 'length' checked later (when writing it to the first block)
*/
if( tag_len < 4 || tag_len > 16 || tag_len % 2 != 0 )
return( MBEDTLS_ERR_CCM_BAD_INPUT );
/* Also implies q is within bounds */
if( iv_len < 7 || iv_len > 13 )
return( MBEDTLS_ERR_CCM_BAD_INPUT );
if( add_len > 0xFF00 )
return( MBEDTLS_ERR_CCM_BAD_INPUT );
q = 16 - 1 - (unsigned char) iv_len;
/*
* First block B_0:
* 0 .. 0 flags
* 1 .. iv_len nonce (aka iv)
* iv_len+1 .. 15 length
*
* With flags as (bits):
* 7 0
* 6 add present?
* 5 .. 3 (t - 2) / 2
* 2 .. 0 q - 1
*/
b[0] = 0;
b[0] |= ( add_len > 0 ) << 6;
b[0] |= ( ( tag_len - 2 ) / 2 ) << 3;
b[0] |= q - 1;
memcpy( b + 1, iv, iv_len );
for( i = 0, len_left = length; i < q; i++, len_left >>= 8 )
b[15-i] = (unsigned char)( len_left & 0xFF );
if( len_left > 0 )
return( MBEDTLS_ERR_CCM_BAD_INPUT );
/* Start CBC-MAC with first block */
memset( y, 0, 16 );
UPDATE_CBC_MAC;
/*
* If there is additional data, update CBC-MAC with
* add_len, add, 0 (padding to a block boundary)
*/
if( add_len > 0 )
{
size_t use_len;
len_left = add_len;
src = add;
memset( b, 0, 16 );
b[0] = (unsigned char)( ( add_len >> 8 ) & 0xFF );
b[1] = (unsigned char)( ( add_len ) & 0xFF );
use_len = len_left < 16 - 2 ? len_left : 16 - 2;
memcpy( b + 2, src, use_len );
len_left -= use_len;
src += use_len;
UPDATE_CBC_MAC;
while( len_left > 0 )
{
use_len = len_left > 16 ? 16 : len_left;
memset( b, 0, 16 );
memcpy( b, src, use_len );
UPDATE_CBC_MAC;
len_left -= use_len;
src += use_len;
}
}
/*
* Prepare counter block for encryption:
* 0 .. 0 flags
* 1 .. iv_len nonce (aka iv)
* iv_len+1 .. 15 counter (initially 1)
*
* With flags as (bits):
* 7 .. 3 0
* 2 .. 0 q - 1
*/
ctr[0] = q - 1;
memcpy( ctr + 1, iv, iv_len );
memset( ctr + 1 + iv_len, 0, q );
ctr[15] = 1;
/*
* Authenticate and {en,de}crypt the message.
*
* The only difference between encryption and decryption is
* the respective order of authentication and {en,de}cryption.
*/
len_left = length;
src = input;
dst = output;
while( len_left > 0 )
{
size_t use_len = len_left > 16 ? 16 : len_left;
if( mode == CCM_ENCRYPT )
{
memset( b, 0, 16 );
memcpy( b, src, use_len );
UPDATE_CBC_MAC;
}
CTR_CRYPT( dst, src, use_len );
if( mode == CCM_DECRYPT )
{
memset( b, 0, 16 );
memcpy( b, dst, use_len );
UPDATE_CBC_MAC;
}
dst += use_len;
src += use_len;
len_left -= use_len;
/*
* Increment counter.
* No need to check for overflow thanks to the length check above.
*/
for( i = 0; i < q; i++ )
if( ++ctr[15-i] != 0 )
break;
}
/*
* Authentication: reset counter and crypt/mask internal tag
*/
for( i = 0; i < q; i++ )
ctr[15-i] = 0;
CTR_CRYPT( y, y, 16 );
memcpy( tag, y, tag_len );
return( 0 );
}
/*
* Authenticated encryption
*/
int mbedtls_ccm_encrypt_and_tag( mbedtls_ccm_context *ctx, size_t length,
const unsigned char *iv, size_t iv_len,
const unsigned char *add, size_t add_len,
const unsigned char *input, unsigned char *output,
unsigned char *tag, size_t tag_len )
{
return( ccm_auth_crypt( ctx, CCM_ENCRYPT, length, iv, iv_len,
add, add_len, input, output, tag, tag_len ) );
}
/*
* Authenticated decryption
*/
int mbedtls_ccm_auth_decrypt( mbedtls_ccm_context *ctx, size_t length,
const unsigned char *iv, size_t iv_len,
const unsigned char *add, size_t add_len,
const unsigned char *input, unsigned char *output,
const unsigned char *tag, size_t tag_len )
{
int ret;
unsigned char check_tag[16];
unsigned char i;
int diff;
if( ( ret = ccm_auth_crypt( ctx, CCM_DECRYPT, length,
iv, iv_len, add, add_len,
input, output, check_tag, tag_len ) ) != 0 )
{
return( ret );
}
/* Check tag in "constant-time" */
for( diff = 0, i = 0; i < tag_len; i++ )
diff |= tag[i] ^ check_tag[i];
if( diff != 0 )
{
mbedtls_zeroize( output, length );
return( MBEDTLS_ERR_CCM_AUTH_FAILED );
}
return( 0 );
}
#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
/*
* Examples 1 to 3 from SP800-38C Appendix C
*/
#define NB_TESTS 3
/*
* The data is the same for all tests, only the used length changes
*/
static const unsigned char key[] = {
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
};
static const unsigned char iv[] = {
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b
};
static const unsigned char ad[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13
};
static const unsigned char msg[] = {
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
};
static const size_t iv_len [NB_TESTS] = { 7, 8, 12 };
static const size_t add_len[NB_TESTS] = { 8, 16, 20 };
static const size_t msg_len[NB_TESTS] = { 4, 16, 24 };
static const size_t tag_len[NB_TESTS] = { 4, 6, 8 };
static const unsigned char res[NB_TESTS][32] = {
{ 0x71, 0x62, 0x01, 0x5b, 0x4d, 0xac, 0x25, 0x5d },
{ 0xd2, 0xa1, 0xf0, 0xe0, 0x51, 0xea, 0x5f, 0x62,
0x08, 0x1a, 0x77, 0x92, 0x07, 0x3d, 0x59, 0x3d,
0x1f, 0xc6, 0x4f, 0xbf, 0xac, 0xcd },
{ 0xe3, 0xb2, 0x01, 0xa9, 0xf5, 0xb7, 0x1a, 0x7a,
0x9b, 0x1c, 0xea, 0xec, 0xcd, 0x97, 0xe7, 0x0b,
0x61, 0x76, 0xaa, 0xd9, 0xa4, 0x42, 0x8a, 0xa5,
0x48, 0x43, 0x92, 0xfb, 0xc1, 0xb0, 0x99, 0x51 }
};
int mbedtls_ccm_self_test( int verbose )
{
mbedtls_ccm_context ctx;
unsigned char out[32];
size_t i;
int ret;
mbedtls_ccm_init( &ctx );
if( mbedtls_ccm_setkey( &ctx, MBEDTLS_CIPHER_ID_AES, key, 8 * sizeof key ) != 0 )
{
if( verbose != 0 )
mbedtls_printf( " CCM: setup failed" );
return( 1 );
}
for( i = 0; i < NB_TESTS; i++ )
{
if( verbose != 0 )
mbedtls_printf( " CCM-AES #%u: ", (unsigned int) i + 1 );
ret = mbedtls_ccm_encrypt_and_tag( &ctx, msg_len[i],
iv, iv_len[i], ad, add_len[i],
msg, out,
out + msg_len[i], tag_len[i] );
if( ret != 0 ||
memcmp( out, res[i], msg_len[i] + tag_len[i] ) != 0 )
{
if( verbose != 0 )
mbedtls_printf( "failed\n" );
return( 1 );
}
ret = mbedtls_ccm_auth_decrypt( &ctx, msg_len[i],
iv, iv_len[i], ad, add_len[i],
res[i], out,
res[i] + msg_len[i], tag_len[i] );
if( ret != 0 ||
memcmp( out, msg, msg_len[i] ) != 0 )
{
if( verbose != 0 )
mbedtls_printf( "failed\n" );
return( 1 );
}
if( verbose != 0 )
mbedtls_printf( "passed\n" );
}
mbedtls_ccm_free( &ctx );
if( verbose != 0 )
mbedtls_printf( "\n" );
return( 0 );
}
#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
#endif /* MBEDTLS_CCM_C */

917
lib/mbedtls/src/cipher.c
View File

@ -1,917 +0,0 @@
/**
* \file cipher.c
*
* \brief Generic cipher wrapper for mbed TLS
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(MBEDTLS_CIPHER_C)
#include "mbedtls/cipher.h"
#include "mbedtls/cipher_internal.h"
#include <stdlib.h>
#include <string.h>
#if defined(MBEDTLS_GCM_C)
#include "mbedtls/gcm.h"
#endif
#if defined(MBEDTLS_CCM_C)
#include "mbedtls/ccm.h"
#endif
#if defined(MBEDTLS_CMAC_C)
#include "mbedtls/cmac.h"
#endif
#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#define mbedtls_calloc calloc
#define mbedtls_free free
#endif
#if defined(MBEDTLS_ARC4_C) || defined(MBEDTLS_CIPHER_NULL_CIPHER)
#define MBEDTLS_CIPHER_MODE_STREAM
#endif
/* Implementation that should never be optimized out by the compiler */
static void mbedtls_zeroize( void *v, size_t n ) {
volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;
}
static int supported_init = 0;
const int *mbedtls_cipher_list( void )
{
const mbedtls_cipher_definition_t *def;
int *type;
if( ! supported_init )
{
def = mbedtls_cipher_definitions;
type = mbedtls_cipher_supported;
while( def->type != 0 )
*type++ = (*def++).type;
*type = 0;
supported_init = 1;
}
return( mbedtls_cipher_supported );
}
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_type( const mbedtls_cipher_type_t cipher_type )
{
const mbedtls_cipher_definition_t *def;
for( def = mbedtls_cipher_definitions; def->info != NULL; def++ )
if( def->type == cipher_type )
return( def->info );
return( NULL );
}
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_string( const char *cipher_name )
{
const mbedtls_cipher_definition_t *def;
if( NULL == cipher_name )
return( NULL );
for( def = mbedtls_cipher_definitions; def->info != NULL; def++ )
if( ! strcmp( def->info->name, cipher_name ) )
return( def->info );
return( NULL );
}
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_values( const mbedtls_cipher_id_t cipher_id,
int key_bitlen,
const mbedtls_cipher_mode_t mode )
{
const mbedtls_cipher_definition_t *def;
for( def = mbedtls_cipher_definitions; def->info != NULL; def++ )
if( def->info->base->cipher == cipher_id &&
def->info->key_bitlen == (unsigned) key_bitlen &&
def->info->mode == mode )
return( def->info );
return( NULL );
}
void mbedtls_cipher_init( mbedtls_cipher_context_t *ctx )
{
memset( ctx, 0, sizeof( mbedtls_cipher_context_t ) );
}
void mbedtls_cipher_free( mbedtls_cipher_context_t *ctx )
{
if( ctx == NULL )
return;
#if defined(MBEDTLS_CMAC_C)
if( ctx->cmac_ctx )
{
mbedtls_zeroize( ctx->cmac_ctx, sizeof( mbedtls_cmac_context_t ) );
mbedtls_free( ctx->cmac_ctx );
}
#endif
if( ctx->cipher_ctx )
ctx->cipher_info->base->ctx_free_func( ctx->cipher_ctx );
mbedtls_zeroize( ctx, sizeof(mbedtls_cipher_context_t) );
}
int mbedtls_cipher_setup( mbedtls_cipher_context_t *ctx, const mbedtls_cipher_info_t *cipher_info )
{
if( NULL == cipher_info || NULL == ctx )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
memset( ctx, 0, sizeof( mbedtls_cipher_context_t ) );
if( NULL == ( ctx->cipher_ctx = cipher_info->base->ctx_alloc_func() ) )
return( MBEDTLS_ERR_CIPHER_ALLOC_FAILED );
ctx->cipher_info = cipher_info;
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
/*
* Ignore possible errors caused by a cipher mode that doesn't use padding
*/
#if defined(MBEDTLS_CIPHER_PADDING_PKCS7)
(void) mbedtls_cipher_set_padding_mode( ctx, MBEDTLS_PADDING_PKCS7 );
#else
(void) mbedtls_cipher_set_padding_mode( ctx, MBEDTLS_PADDING_NONE );
#endif
#endif /* MBEDTLS_CIPHER_MODE_WITH_PADDING */
return( 0 );
}
int mbedtls_cipher_setkey( mbedtls_cipher_context_t *ctx, const unsigned char *key,
int key_bitlen, const mbedtls_operation_t operation )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
if( ( ctx->cipher_info->flags & MBEDTLS_CIPHER_VARIABLE_KEY_LEN ) == 0 &&
(int) ctx->cipher_info->key_bitlen != key_bitlen )
{
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
}
ctx->key_bitlen = key_bitlen;
ctx->operation = operation;
/*
* For CFB and CTR mode always use the encryption key schedule
*/
if( MBEDTLS_ENCRYPT == operation ||
MBEDTLS_MODE_CFB == ctx->cipher_info->mode ||
MBEDTLS_MODE_CTR == ctx->cipher_info->mode )
{
return ctx->cipher_info->base->setkey_enc_func( ctx->cipher_ctx, key,
ctx->key_bitlen );
}
if( MBEDTLS_DECRYPT == operation )
return ctx->cipher_info->base->setkey_dec_func( ctx->cipher_ctx, key,
ctx->key_bitlen );
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
}
int mbedtls_cipher_set_iv( mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len )
{
size_t actual_iv_size;
if( NULL == ctx || NULL == ctx->cipher_info || NULL == iv )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
/* avoid buffer overflow in ctx->iv */
if( iv_len > MBEDTLS_MAX_IV_LENGTH )
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
if( ( ctx->cipher_info->flags & MBEDTLS_CIPHER_VARIABLE_IV_LEN ) != 0 )
actual_iv_size = iv_len;
else
{
actual_iv_size = ctx->cipher_info->iv_size;
/* avoid reading past the end of input buffer */
if( actual_iv_size > iv_len )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
}
memcpy( ctx->iv, iv, actual_iv_size );
ctx->iv_size = actual_iv_size;
return( 0 );
}
int mbedtls_cipher_reset( mbedtls_cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
ctx->unprocessed_len = 0;
return( 0 );
}
#if defined(MBEDTLS_GCM_C)
int mbedtls_cipher_update_ad( mbedtls_cipher_context_t *ctx,
const unsigned char *ad, size_t ad_len )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
if( MBEDTLS_MODE_GCM == ctx->cipher_info->mode )
{
return mbedtls_gcm_starts( (mbedtls_gcm_context *) ctx->cipher_ctx, ctx->operation,
ctx->iv, ctx->iv_size, ad, ad_len );
}
return( 0 );
}
#endif /* MBEDTLS_GCM_C */
int mbedtls_cipher_update( mbedtls_cipher_context_t *ctx, const unsigned char *input,
size_t ilen, unsigned char *output, size_t *olen )
{
int ret;
size_t block_size = 0;
if( NULL == ctx || NULL == ctx->cipher_info || NULL == olen )
{
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
}
*olen = 0;
block_size = mbedtls_cipher_get_block_size( ctx );
if( ctx->cipher_info->mode == MBEDTLS_MODE_ECB )
{
if( ilen != block_size )
return( MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED );
*olen = ilen;
if( 0 != ( ret = ctx->cipher_info->base->ecb_func( ctx->cipher_ctx,
ctx->operation, input, output ) ) )
{
return( ret );
}
return( 0 );
}
#if defined(MBEDTLS_GCM_C)
if( ctx->cipher_info->mode == MBEDTLS_MODE_GCM )
{
*olen = ilen;
return mbedtls_gcm_update( (mbedtls_gcm_context *) ctx->cipher_ctx, ilen, input,
output );
}
#endif
if ( 0 == block_size )
{
return MBEDTLS_ERR_CIPHER_INVALID_CONTEXT;
}
if( input == output &&
( ctx->unprocessed_len != 0 || ilen % block_size ) )
{
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
}
#if defined(MBEDTLS_CIPHER_MODE_CBC)
if( ctx->cipher_info->mode == MBEDTLS_MODE_CBC )
{
size_t copy_len = 0;
/*
* If there is not enough data for a full block, cache it.
*/
if( ( ctx->operation == MBEDTLS_DECRYPT &&
ilen + ctx->unprocessed_len <= block_size ) ||
( ctx->operation == MBEDTLS_ENCRYPT &&
ilen + ctx->unprocessed_len < block_size ) )
{
memcpy( &( ctx->unprocessed_data[ctx->unprocessed_len] ), input,
ilen );
ctx->unprocessed_len += ilen;
return( 0 );
}
/*
* Process cached data first
*/
if( 0 != ctx->unprocessed_len )
{
copy_len = block_size - ctx->unprocessed_len;
memcpy( &( ctx->unprocessed_data[ctx->unprocessed_len] ), input,
copy_len );
if( 0 != ( ret = ctx->cipher_info->base->cbc_func( ctx->cipher_ctx,
ctx->operation, block_size, ctx->iv,
ctx->unprocessed_data, output ) ) )
{
return( ret );
}
*olen += block_size;
output += block_size;
ctx->unprocessed_len = 0;
input += copy_len;
ilen -= copy_len;
}
/*
* Cache final, incomplete block
*/
if( 0 != ilen )
{
if( 0 == block_size )
{
return MBEDTLS_ERR_CIPHER_INVALID_CONTEXT;
}
copy_len = ilen % block_size;
if( copy_len == 0 && ctx->operation == MBEDTLS_DECRYPT )
copy_len = block_size;
memcpy( ctx->unprocessed_data, &( input[ilen - copy_len] ),
copy_len );
ctx->unprocessed_len += copy_len;
ilen -= copy_len;
}
/*
* Process remaining full blocks
*/
if( ilen )
{
if( 0 != ( ret = ctx->cipher_info->base->cbc_func( ctx->cipher_ctx,
ctx->operation, ilen, ctx->iv, input, output ) ) )
{
return( ret );
}
*olen += ilen;
}
return( 0 );
}
#endif /* MBEDTLS_CIPHER_MODE_CBC */
#if defined(MBEDTLS_CIPHER_MODE_CFB)
if( ctx->cipher_info->mode == MBEDTLS_MODE_CFB )
{
if( 0 != ( ret = ctx->cipher_info->base->cfb_func( ctx->cipher_ctx,
ctx->operation, ilen, &ctx->unprocessed_len, ctx->iv,
input, output ) ) )
{
return( ret );
}
*olen = ilen;
return( 0 );
}
#endif /* MBEDTLS_CIPHER_MODE_CFB */
#if defined(MBEDTLS_CIPHER_MODE_CTR)
if( ctx->cipher_info->mode == MBEDTLS_MODE_CTR )
{
if( 0 != ( ret = ctx->cipher_info->base->ctr_func( ctx->cipher_ctx,
ilen, &ctx->unprocessed_len, ctx->iv,
ctx->unprocessed_data, input, output ) ) )
{
return( ret );
}
*olen = ilen;
return( 0 );
}
#endif /* MBEDTLS_CIPHER_MODE_CTR */
#if defined(MBEDTLS_CIPHER_MODE_STREAM)
if( ctx->cipher_info->mode == MBEDTLS_MODE_STREAM )
{
if( 0 != ( ret = ctx->cipher_info->base->stream_func( ctx->cipher_ctx,
ilen, input, output ) ) )
{
return( ret );
}
*olen = ilen;
return( 0 );
}
#endif /* MBEDTLS_CIPHER_MODE_STREAM */
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
}
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
#if defined(MBEDTLS_CIPHER_PADDING_PKCS7)
/*
* PKCS7 (and PKCS5) padding: fill with ll bytes, with ll = padding_len
*/
static void add_pkcs_padding( unsigned char *output, size_t output_len,
size_t data_len )
{
size_t padding_len = output_len - data_len;
unsigned char i;
for( i = 0; i < padding_len; i++ )
output[data_len + i] = (unsigned char) padding_len;
}
static int get_pkcs_padding( unsigned char *input, size_t input_len,
size_t *data_len )
{
size_t i, pad_idx;
unsigned char padding_len, bad = 0;
if( NULL == input || NULL == data_len )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
padding_len = input[input_len - 1];
*data_len = input_len - padding_len;
/* Avoid logical || since it results in a branch */
bad |= padding_len > input_len;
bad |= padding_len == 0;
/* The number of bytes checked must be independent of padding_len,
* so pick input_len, which is usually 8 or 16 (one block) */
pad_idx = input_len - padding_len;
for( i = 0; i < input_len; i++ )
bad |= ( input[i] ^ padding_len ) * ( i >= pad_idx );
return( MBEDTLS_ERR_CIPHER_INVALID_PADDING * ( bad != 0 ) );
}
#endif /* MBEDTLS_CIPHER_PADDING_PKCS7 */
#if defined(MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS)
/*
* One and zeros padding: fill with 80 00 ... 00
*/
static void add_one_and_zeros_padding( unsigned char *output,
size_t output_len, size_t data_len )
{
size_t padding_len = output_len - data_len;
unsigned char i = 0;
output[data_len] = 0x80;
for( i = 1; i < padding_len; i++ )
output[data_len + i] = 0x00;
}
static int get_one_and_zeros_padding( unsigned char *input, size_t input_len,
size_t *data_len )
{
size_t i;
unsigned char done = 0, prev_done, bad;
if( NULL == input || NULL == data_len )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
bad = 0xFF;
*data_len = 0;
for( i = input_len; i > 0; i-- )
{
prev_done = done;
done |= ( input[i-1] != 0 );
*data_len |= ( i - 1 ) * ( done != prev_done );
bad &= ( input[i-1] ^ 0x80 ) | ( done == prev_done );
}
return( MBEDTLS_ERR_CIPHER_INVALID_PADDING * ( bad != 0 ) );
}
#endif /* MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS */
#if defined(MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN)
/*
* Zeros and len padding: fill with 00 ... 00 ll, where ll is padding length
*/
static void add_zeros_and_len_padding( unsigned char *output,
size_t output_len, size_t data_len )
{
size_t padding_len = output_len - data_len;
unsigned char i = 0;
for( i = 1; i < padding_len; i++ )
output[data_len + i - 1] = 0x00;
output[output_len - 1] = (unsigned char) padding_len;
}
static int get_zeros_and_len_padding( unsigned char *input, size_t input_len,
size_t *data_len )
{
size_t i, pad_idx;
unsigned char padding_len, bad = 0;
if( NULL == input || NULL == data_len )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
padding_len = input[input_len - 1];
*data_len = input_len - padding_len;
/* Avoid logical || since it results in a branch */
bad |= padding_len > input_len;
bad |= padding_len == 0;
/* The number of bytes checked must be independent of padding_len */
pad_idx = input_len - padding_len;
for( i = 0; i < input_len - 1; i++ )
bad |= input[i] * ( i >= pad_idx );
return( MBEDTLS_ERR_CIPHER_INVALID_PADDING * ( bad != 0 ) );
}
#endif /* MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN */
#if defined(MBEDTLS_CIPHER_PADDING_ZEROS)
/*
* Zero padding: fill with 00 ... 00
*/
static void add_zeros_padding( unsigned char *output,
size_t output_len, size_t data_len )
{
size_t i;
for( i = data_len; i < output_len; i++ )
output[i] = 0x00;
}
static int get_zeros_padding( unsigned char *input, size_t input_len,
size_t *data_len )
{
size_t i;
unsigned char done = 0, prev_done;
if( NULL == input || NULL == data_len )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
*data_len = 0;
for( i = input_len; i > 0; i-- )
{
prev_done = done;
done |= ( input[i-1] != 0 );
*data_len |= i * ( done != prev_done );
}
return( 0 );
}
#endif /* MBEDTLS_CIPHER_PADDING_ZEROS */
/*
* No padding: don't pad :)
*
* There is no add_padding function (check for NULL in mbedtls_cipher_finish)
* but a trivial get_padding function
*/
static int get_no_padding( unsigned char *input, size_t input_len,
size_t *data_len )
{
if( NULL == input || NULL == data_len )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
*data_len = input_len;
return( 0 );
}
#endif /* MBEDTLS_CIPHER_MODE_WITH_PADDING */
int mbedtls_cipher_finish( mbedtls_cipher_context_t *ctx,
unsigned char *output, size_t *olen )
{
if( NULL == ctx || NULL == ctx->cipher_info || NULL == olen )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
*olen = 0;
if( MBEDTLS_MODE_CFB == ctx->cipher_info->mode ||
MBEDTLS_MODE_CTR == ctx->cipher_info->mode ||
MBEDTLS_MODE_GCM == ctx->cipher_info->mode ||
MBEDTLS_MODE_STREAM == ctx->cipher_info->mode )
{
return( 0 );
}
if( MBEDTLS_MODE_ECB == ctx->cipher_info->mode )
{
if( ctx->unprocessed_len != 0 )
return( MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED );
return( 0 );
}
#if defined(MBEDTLS_CIPHER_MODE_CBC)
if( MBEDTLS_MODE_CBC == ctx->cipher_info->mode )
{
int ret = 0;
if( MBEDTLS_ENCRYPT == ctx->operation )
{
/* check for 'no padding' mode */
if( NULL == ctx->add_padding )
{
if( 0 != ctx->unprocessed_len )
return( MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED );
return( 0 );
}
ctx->add_padding( ctx->unprocessed_data, mbedtls_cipher_get_iv_size( ctx ),
ctx->unprocessed_len );
}
else if( mbedtls_cipher_get_block_size( ctx ) != ctx->unprocessed_len )
{
/*
* For decrypt operations, expect a full block,
* or an empty block if no padding
*/
if( NULL == ctx->add_padding && 0 == ctx->unprocessed_len )
return( 0 );
return( MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED );
}
/* cipher block */
if( 0 != ( ret = ctx->cipher_info->base->cbc_func( ctx->cipher_ctx,
ctx->operation, mbedtls_cipher_get_block_size( ctx ), ctx->iv,
ctx->unprocessed_data, output ) ) )
{
return( ret );
}
/* Set output size for decryption */
if( MBEDTLS_DECRYPT == ctx->operation )
return ctx->get_padding( output, mbedtls_cipher_get_block_size( ctx ),
olen );
/* Set output size for encryption */
*olen = mbedtls_cipher_get_block_size( ctx );
return( 0 );
}
#else
((void) output);
#endif /* MBEDTLS_CIPHER_MODE_CBC */
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
}
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
int mbedtls_cipher_set_padding_mode( mbedtls_cipher_context_t *ctx, mbedtls_cipher_padding_t mode )
{
if( NULL == ctx ||
MBEDTLS_MODE_CBC != ctx->cipher_info->mode )
{
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
}
switch( mode )
{
#if defined(MBEDTLS_CIPHER_PADDING_PKCS7)
case MBEDTLS_PADDING_PKCS7:
ctx->add_padding = add_pkcs_padding;
ctx->get_padding = get_pkcs_padding;
break;
#endif
#if defined(MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS)
case MBEDTLS_PADDING_ONE_AND_ZEROS:
ctx->add_padding = add_one_and_zeros_padding;
ctx->get_padding = get_one_and_zeros_padding;
break;
#endif
#if defined(MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN)
case MBEDTLS_PADDING_ZEROS_AND_LEN:
ctx->add_padding = add_zeros_and_len_padding;
ctx->get_padding = get_zeros_and_len_padding;
break;
#endif
#if defined(MBEDTLS_CIPHER_PADDING_ZEROS)
case MBEDTLS_PADDING_ZEROS:
ctx->add_padding = add_zeros_padding;
ctx->get_padding = get_zeros_padding;
break;
#endif
case MBEDTLS_PADDING_NONE:
ctx->add_padding = NULL;
ctx->get_padding = get_no_padding;
break;
default:
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
}
return( 0 );
}
#endif /* MBEDTLS_CIPHER_MODE_WITH_PADDING */
#if defined(MBEDTLS_GCM_C)
int mbedtls_cipher_write_tag( mbedtls_cipher_context_t *ctx,
unsigned char *tag, size_t tag_len )
{
if( NULL == ctx || NULL == ctx->cipher_info || NULL == tag )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
if( MBEDTLS_ENCRYPT != ctx->operation )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
if( MBEDTLS_MODE_GCM == ctx->cipher_info->mode )
return mbedtls_gcm_finish( (mbedtls_gcm_context *) ctx->cipher_ctx, tag, tag_len );
return( 0 );
}
int mbedtls_cipher_check_tag( mbedtls_cipher_context_t *ctx,
const unsigned char *tag, size_t tag_len )
{
int ret;
if( NULL == ctx || NULL == ctx->cipher_info ||
MBEDTLS_DECRYPT != ctx->operation )
{
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
}
if( MBEDTLS_MODE_GCM == ctx->cipher_info->mode )
{
unsigned char check_tag[16];
size_t i;
int diff;
if( tag_len > sizeof( check_tag ) )
return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
if( 0 != ( ret = mbedtls_gcm_finish( (mbedtls_gcm_context *) ctx->cipher_ctx,
check_tag, tag_len ) ) )
{
return( ret );
}
/* Check the tag in "constant-time" */
for( diff = 0, i = 0; i < tag_len; i++ )
diff |= tag[i] ^ check_tag[i];
if( diff != 0 )
return( MBEDTLS_ERR_CIPHER_AUTH_FAILED );
return( 0 );
}
return( 0 );
}
#endif /* MBEDTLS_GCM_C */
/*
* Packet-oriented wrapper for non-AEAD modes
*/
int mbedtls_cipher_crypt( mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *input, size_t ilen,
unsigned char *output, size_t *olen )
{
int ret;
size_t finish_olen;
if( ( ret = mbedtls_cipher_set_iv( ctx, iv, iv_len ) ) != 0 )
return( ret );
if( ( ret = mbedtls_cipher_reset( ctx ) ) != 0 )
return( ret );
if( ( ret = mbedtls_cipher_update( ctx, input, ilen, output, olen ) ) != 0 )
return( ret );
if( ( ret = mbedtls_cipher_finish( ctx, output + *olen, &finish_olen ) ) != 0 )
return( ret );
*olen += finish_olen;
return( 0 );
}
#if defined(MBEDTLS_CIPHER_MODE_AEAD)
/*
* Packet-oriented encryption for AEAD modes
*/
int mbedtls_cipher_auth_encrypt( mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *ad, size_t ad_len,
const unsigned char *input, size_t ilen,
unsigned char *output, size_t *olen,
unsigned char *tag, size_t tag_len )
{
#if defined(MBEDTLS_GCM_C)
if( MBEDTLS_MODE_GCM == ctx->cipher_info->mode )
{
*olen = ilen;
return( mbedtls_gcm_crypt_and_tag( ctx->cipher_ctx, MBEDTLS_GCM_ENCRYPT, ilen,
iv, iv_len, ad, ad_len, input, output,
tag_len, tag ) );
}
#endif /* MBEDTLS_GCM_C */
#if defined(MBEDTLS_CCM_C)
if( MBEDTLS_MODE_CCM == ctx->cipher_info->mode )
{
*olen = ilen;
return( mbedtls_ccm_encrypt_and_tag( ctx->cipher_ctx, ilen,
iv, iv_len, ad, ad_len, input, output,
tag, tag_len ) );
}
#endif /* MBEDTLS_CCM_C */
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
}
/*
* Packet-oriented decryption for AEAD modes
*/
int mbedtls_cipher_auth_decrypt( mbedtls_cipher_context_t *ctx,
const unsigned char *iv, size_t iv_len,
const unsigned char *ad, size_t ad_len,
const unsigned char *input, size_t ilen,
unsigned char *output, size_t *olen,
const unsigned char *tag, size_t tag_len )
{
#if defined(MBEDTLS_GCM_C)
if( MBEDTLS_MODE_GCM == ctx->cipher_info->mode )
{
int ret;
*olen = ilen;
ret = mbedtls_gcm_auth_decrypt( ctx->cipher_ctx, ilen,
iv, iv_len, ad, ad_len,
tag, tag_len, input, output );
if( ret == MBEDTLS_ERR_GCM_AUTH_FAILED )
ret = MBEDTLS_ERR_CIPHER_AUTH_FAILED;
return( ret );
}
#endif /* MBEDTLS_GCM_C */
#if defined(MBEDTLS_CCM_C)
if( MBEDTLS_MODE_CCM == ctx->cipher_info->mode )
{
int ret;
*olen = ilen;
ret = mbedtls_ccm_auth_decrypt( ctx->cipher_ctx, ilen,
iv, iv_len, ad, ad_len,
input, output, tag, tag_len );
if( ret == MBEDTLS_ERR_CCM_AUTH_FAILED )
ret = MBEDTLS_ERR_CIPHER_AUTH_FAILED;
return( ret );
}
#endif /* MBEDTLS_CCM_C */
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
}
#endif /* MBEDTLS_CIPHER_MODE_AEAD */
#endif /* MBEDTLS_CIPHER_C */

1451
lib/mbedtls/src/cipher_wrap.c
View File

File diff suppressed because it is too large Load Diff

10
tasmota/xdrv_33_nrf24l01.ino
View File

@ -21,6 +21,7 @@
Version yyyymmdd Action Description Version yyyymmdd Action Description
-------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------
0.9.0.1 20200624 changes - removed unused legacy code
--- ---
0.9.0.0 20191127 started - further development by Christian Baars 0.9.0.0 20191127 started - further development by Christian Baars
forked - from arendst/tasmota - https://github.com/arendst/Tasmota forked - from arendst/tasmota - https://github.com/arendst/Tasmota
@ -38,18 +39,10 @@
#define XDRV_33 33 #define XDRV_33 33
#define MOSI 13
#define MISO 12
#define SCK 14
#include <SPI.h>
#include <RF24.h> #include <RF24.h>
const char NRF24type[] PROGMEM = "NRF24"; const char NRF24type[] PROGMEM = "NRF24";
const char HTTP_NRF24[] PROGMEM =
"{s}%sL01%c: " "{m}started{e}";
struct { struct {
uint8_t chipType = 0; // NRF24l01 active: 32 - NRF24L01 , 43- NRF24L01+ ... we mis-use ascii-codes uint8_t chipType = 0; // NRF24l01 active: 32 - NRF24L01 , 43- NRF24L01+ ... we mis-use ascii-codes
} NRF24; } NRF24;
@ -74,7 +67,6 @@ bool NRF24initRadio()
bool NRF24Detect(void) bool NRF24Detect(void)
{ {
if (PinUsed(GPIO_SPI_CS) && PinUsed(GPIO_SPI_DC)) { if (PinUsed(GPIO_SPI_CS) && PinUsed(GPIO_SPI_DC)) {
SPI.pins(SCK,MOSI,MISO,-1);
if(NRF24initRadio()){ if(NRF24initRadio()){
NRF24.chipType = 32; // SPACE NRF24.chipType = 32; // SPACE
AddLog_P2(LOG_LEVEL_INFO,PSTR("NRF24L01 initialized")); AddLog_P2(LOG_LEVEL_INFO,PSTR("NRF24L01 initialized"));

183
tasmota/xsns_61_MI_NRF24.ino
View File

@ -21,6 +21,8 @@
Version yyyymmdd Action Description Version yyyymmdd Action Description
-------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------
0.9.7.0 20200624 integrate - use BEARSSL-lib for decryption as default, make decryption optional
---
0.9.6.1 20200622 integrate - use BEARSSL-lib for decryption as default, make decryption optional 0.9.6.1 20200622 integrate - use BEARSSL-lib for decryption as default, make decryption optional
--- ---
0.9.6.0 20200618 integrate - add decryption for LYWSD03 0.9.6.0 20200618 integrate - add decryption for LYWSD03
@ -56,7 +58,6 @@
#endif #endif
#define USE_MI_DECRYPTION #define USE_MI_DECRYPTION
// #define USE_MBEDTLS
/*********************************************************************************************\ /*********************************************************************************************\
* MINRF * MINRF
* BLE-Sniffer/Bridge for MIJIA/XIAOMI Temperatur/Humidity-Sensor, Mi Flora, LYWSD02, GCx * BLE-Sniffer/Bridge for MIJIA/XIAOMI Temperatur/Humidity-Sensor, Mi Flora, LYWSD02, GCx
@ -68,12 +69,7 @@
#include <vector> #include <vector>
#ifdef USE_MI_DECRYPTION #ifdef USE_MI_DECRYPTION
#ifdef USE_MBEDTLS
#include <mbedtls/ccm.h>
#else
#include <bearssl/bearssl_block.h> #include <bearssl/bearssl_block.h>
#include <bearssl/bearssl_hmac.h>
#endif // USE_MBEDTLS
#endif //USE_MI_DECRYPTION #endif //USE_MI_DECRYPTION
#define FLORA 1 #define FLORA 1
@ -82,12 +78,16 @@
#define LYWSD03 4 #define LYWSD03 4
#define CGG1 5 #define CGG1 5
#define CGD1 6 #define CGD1 6
#define NLIGHT 7
#define MJYD2S 8
#define MI_TYPES 8 //count this manually
#define D_CMND_NRF "NRF" #define D_CMND_NRF "NRF"
const char S_JSON_NRF_COMMAND_NVALUE[] PROGMEM = "{\"" D_CMND_NRF "%s\":%d}"; const char S_JSON_NRF_COMMAND_NVALUE[] PROGMEM = "{\"" D_CMND_NRF "%s\":%d}";
const char S_JSON_NRF_COMMAND[] PROGMEM = "{\"" D_CMND_NRF "%s\":\"%s\"}"; const char S_JSON_NRF_COMMAND[] PROGMEM = "{\"" D_CMND_NRF "%s\":\"%s\"}";
const char kNRF_Commands[] PROGMEM = "Ignore|Page|Scan|Beacon|Chan" const char kNRF_Commands[] PROGMEM = "Ignore|Page|Scan|Beacon|Chan|Nlight"
#ifdef USE_MI_DECRYPTION #ifdef USE_MI_DECRYPTION
"|Key" "|Key"
#endif //USE_MI_DECRYPTION #endif //USE_MI_DECRYPTION
@ -98,18 +98,21 @@ enum NRF_Commands { // commands useable in console or rules
CMND_NRF_PAGE, // sensor entries per web page, which will be shown alternated CMND_NRF_PAGE, // sensor entries per web page, which will be shown alternated
CMND_NRF_SCAN, // simplified passive BLE adv scan CMND_NRF_SCAN, // simplified passive BLE adv scan
CMND_NRF_BEACON, // even more simplified Beacon, reports time since last sighting CMND_NRF_BEACON, // even more simplified Beacon, reports time since last sighting
CMND_NRF_CHAN // ignore channel 0-2 (translates to 37-39) CMND_NRF_CHAN, // ignore channel 0-2 (translates to 37-39)
CMND_NRF_NLIGHT // add Philips night light via MAC
#ifdef USE_MI_DECRYPTION #ifdef USE_MI_DECRYPTION
, CMND_NRF_KEY // add bind_key to a MAC for payload decryption , CMND_NRF_KEY // add bind_key to a MAC for payload decryption
#endif //USE_MI_DECRYPTION #endif //USE_MI_DECRYPTION
}; };
const uint16_t kMINRFSlaveID[6]={ 0x0098, // Flora const uint16_t kMINRFSlaveID[8]={ 0x0098, // Flora
0x01aa, // MJ_HT_V1 0x01aa, // MJ_HT_V1
0x045b, // LYWSD02 0x045b, // LYWSD02
0x055b, // LYWSD03 0x055b, // LYWSD03
0x0347, // CGG1 0x0347, // CGG1
0x0576 // CGD1 0x0576, // CGD1
0x03dd, // NLIGHT
0x07f6 // MJYD2S
}; };
const char kMINRFSlaveType1[] PROGMEM = "Flora"; const char kMINRFSlaveType1[] PROGMEM = "Flora";
@ -118,7 +121,9 @@ const char kMINRFSlaveType3[] PROGMEM = "LYWSD02";
const char kMINRFSlaveType4[] PROGMEM = "LYWSD03"; const char kMINRFSlaveType4[] PROGMEM = "LYWSD03";
const char kMINRFSlaveType5[] PROGMEM = "CGG1"; const char kMINRFSlaveType5[] PROGMEM = "CGG1";
const char kMINRFSlaveType6[] PROGMEM = "CGD1"; const char kMINRFSlaveType6[] PROGMEM = "CGD1";
const char * kMINRFSlaveType[] PROGMEM = {kMINRFSlaveType1,kMINRFSlaveType2,kMINRFSlaveType3,kMINRFSlaveType4,kMINRFSlaveType5,kMINRFSlaveType6}; const char kMINRFSlaveType7[] PROGMEM = "NLIGHT";
const char kMINRFSlaveType8[] PROGMEM = "MJYD2S";
const char * kMINRFSlaveType[] PROGMEM = {kMINRFSlaveType1,kMINRFSlaveType2,kMINRFSlaveType3,kMINRFSlaveType4,kMINRFSlaveType5,kMINRFSlaveType6,kMINRFSlaveType7,kMINRFSlaveType8};
// PDU's or different channels 37-39 // PDU's or different channels 37-39
const uint32_t kMINRFFloPDU[3] = {0x3eaa857d,0xef3b8730,0x71da7b46}; const uint32_t kMINRFFloPDU[3] = {0x3eaa857d,0xef3b8730,0x71da7b46};
@ -128,6 +133,7 @@ const uint32_t kMINRFL3PDU[3] = {0x4760dd78,0xdbcc1ccd,0x33049deb}; //encrypted
// const uint32_t kMINRFL3PDU[3] = {0x4760cb78,0xdbcc0acd,0x33048beb}; //unencrypted - 30 58 // const uint32_t kMINRFL3PDU[3] = {0x4760cb78,0xdbcc0acd,0x33048beb}; //unencrypted - 30 58
const uint32_t kMINRFCGGPDU[3] = {0x4760cd6e,0xdbcc0cdb,0x33048dfd}; const uint32_t kMINRFCGGPDU[3] = {0x4760cd6e,0xdbcc0cdb,0x33048dfd};
const uint32_t kMINRFCGDPDU[3] = {0x5da0d752,0xc10c16e7,0x29c497c1}; const uint32_t kMINRFCGDPDU[3] = {0x5da0d752,0xc10c16e7,0x29c497c1};
// const uint32_t kMINRFNLIPDU[3] = {0x4760C56E,0xDBCC04DB,0x0330485FD}; //NLIGHT
// start-LSFR for different channels 37-39 // start-LSFR for different channels 37-39
const uint8_t kMINRFlsfrList_A[3] = {0x4b,0x17,0x23}; // Flora, LYWSD02 const uint8_t kMINRFlsfrList_A[3] = {0x4b,0x17,0x23}; // Flora, LYWSD02
@ -212,13 +218,14 @@ struct {
const uint8_t frequency[3] = { 2,26,80}; // real frequency (2400+x MHz) const uint8_t frequency[3] = { 2,26,80}; // real frequency (2400+x MHz)
uint16_t timer; uint16_t timer;
uint16_t ignore = 0; //bitfield: 2^sensor type
uint8_t currentChan=0; uint8_t currentChan=0;
uint8_t ignore = 0; //bitfield: 2^sensor type
uint8_t channelIgnore = 0; //bitfield: 2^channel (0=37,1=38,2=39) uint8_t channelIgnore = 0; //bitfield: 2^channel (0=37,1=38,2=39)
uint8_t confirmedSensors = 0; uint8_t confirmedSensors = 0;
uint8_t packetMode; // 0 - normal BLE-advertisements, 1 - 6 "special" sensor packets uint8_t packetMode; // 0 - normal BLE-advertisements, 1 - 6 "special" sensor packets
uint8_t perPage = 4; uint8_t perPage = 4;
uint8_t firstUsedPacketMode = 1; uint8_t firstUsedPacketMode = 1;
uint8_t activeNlight = 0;
FIFO_t buffer; FIFO_t buffer;
@ -256,6 +263,17 @@ struct mi_sensor_t{
}; };
}; };
struct mi_nlight_t{
uint8_t MAC[6];
uint32_t PDU[3];
uint8_t type; // NLIGHT=7
struct {
uint16_t events; //"alarms" since boot
uint8_t lastCnt; //device generated counter of the packet
};
};
struct scan_entry_t { struct scan_entry_t {
uint8_t mac[6]; uint8_t mac[6];
uint16_t cid; uint16_t cid;
@ -269,6 +287,7 @@ std::vector<scan_entry_t> MINRFscanResult;
#ifdef USE_MI_DECRYPTION #ifdef USE_MI_DECRYPTION
std::vector<mi_bindKey_t> MIBLEbindKeys; std::vector<mi_bindKey_t> MIBLEbindKeys;
#endif //USE_MI_DECRYPTION #endif //USE_MI_DECRYPTION
std::vector<mi_nlight_t> MIBLEnlights;
static union{ static union{
scan_entry_t MINRFdummyEntry; scan_entry_t MINRFdummyEntry;
@ -370,6 +389,9 @@ bool MINRFreceivePacket(void)
case 6: case 6:
MINRFwhiten((uint8_t *)&MINRF.buffer, sizeof(MINRF.buffer), kMINRFlsfrList_B[MINRF.currentChan]); // "CGD1" mode MINRFwhiten((uint8_t *)&MINRF.buffer, sizeof(MINRF.buffer), kMINRFlsfrList_B[MINRF.currentChan]); // "CGD1" mode
break; break;
case 7:
MINRFwhiten((uint8_t *)&MINRF.buffer, sizeof(MINRF.buffer), MINRF.channel[MINRF.currentChan] | 0x40); // "NLIGHT" mode
break;
} }
// DEBUG_SENSOR_LOG(PSTR("MINRF: LSFR:%x"),_lsfr); // DEBUG_SENSOR_LOG(PSTR("MINRF: LSFR:%x"),_lsfr);
// if (_lsfr>254) _lsfr=0; // if (_lsfr>254) _lsfr=0;
@ -602,24 +624,29 @@ void MINRFbeaconCounter(void) {
* @brief compute "PDU" from MAC for each possible channel and store it globally * @brief compute "PDU" from MAC for each possible channel and store it globally
* *
*/ */
void MINRFcomputeBeaconPDU(void){ void MINRFcomputeBeaconPDU(uint8_t (&_mac)[6], uint32_t (&PDU)[3]){
uint32_t _PDU[3];
for (uint32_t i = 0; i<3; i++){ for (uint32_t i = 0; i<3; i++){
bleAdvPacket_t packet; bleAdvPacket_t packet;
memcpy((uint8_t *)&packet.mac, (uint8_t *)&MINRF.beacon.mac, sizeof(packet.mac)); memcpy((uint8_t *)&packet.mac, (uint8_t *)&_mac, sizeof(packet.mac));
MINRFreverseMAC(packet.mac); MINRFreverseMAC(packet.mac);
MINRFwhiten((uint8_t *)&packet, sizeof(packet), MINRF.channel[i] | 0x40); MINRFwhiten((uint8_t *)&packet, sizeof(packet), MINRF.channel[i] | 0x40);
MINRFswapbuf((uint8_t*)&packet,sizeof(packet)); MINRFswapbuf((uint8_t*)&packet,sizeof(packet));
uint32_t pdu = packet.mac[0]<<24 | packet.mac[1]<<16 | packet.mac[2]<<8 | packet.mac[3]; uint32_t pdu = packet.mac[0]<<24 | packet.mac[1]<<16 | packet.mac[2]<<8 | packet.mac[3];
MINRF.beacon.PDU[i] = pdu; _PDU[i] = pdu;
} }
memcpy(PDU,_PDU,sizeof(_PDU));
} }
#ifdef USE_MI_DECRYPTION #ifdef USE_MI_DECRYPTION
int MINRFdecryptPacket(char *_buf){ int MINRFdecryptPacket(char *_buf){
encPacket_t *packet = (encPacket_t*)_buf; encPacket_t *packet = (encPacket_t*)_buf;
// AddLog_P2(LOG_LEVEL_DEBUG,PSTR("to decrypt: %02x %02x %02x %02x %02x %02x %02x %02x"),(uint8_t)_buf[0],(uint8_t)_buf[1],(uint8_t)_buf[2],(uint8_t)_buf[3],(uint8_t)_buf[4],(uint8_t)_buf[5],(uint8_t)_buf[6],(uint8_t)_buf[7]); // AddLog_P2(LOG_LEVEL_DEBUG,PSTR("to decrypt: %02x %02x %02x %02x %02x %02x %02x %02x"),(uint8_t)_buf[0],(uint8_t)_buf[1],(uint8_t)_buf[2],(uint8_t)_buf[3],(uint8_t)_buf[4],(uint8_t)_buf[5],(uint8_t)_buf[6],(uint8_t)_buf[7]);
// AddLog_P2(LOG_LEVEL_DEBUG,PSTR(" : %02x %02x %02x %02x %02x %02x %02x %02x"),(uint8_t)_buf[8],(uint8_t)_buf[9],(uint8_t)_buf[10],(uint8_t)_buf[11],(uint8_t)_buf[12],(uint8_t)_buf[13],(uint8_t)_buf[14],(uint8_t)_buf[15]);
// AddLog_P2(LOG_LEVEL_DEBUG,PSTR(" : %02x %02x %02x %02x %02x "),(uint8_t)_buf[16],(uint8_t)_buf[17],(uint8_t)_buf[18],(uint8_t)_buf[19],(uint8_t)_buf[20]);
int ret = 0; int ret = 0;
unsigned char output[10] = {0}; unsigned char output[16] = {0};
uint8_t nonce[12]; uint8_t nonce[12];
const unsigned char authData[1] = {0x11}; const unsigned char authData[1] = {0x11};
@ -644,33 +671,6 @@ int MINRFdecryptPacket(char *_buf){
// } // }
} }
#ifdef USE_MBEDTLS
// init
mbedtls_ccm_context ctx;
mbedtls_ccm_init(&ctx);
// set bind key
ret = mbedtls_ccm_setkey(&ctx,
MBEDTLS_CIPHER_ID_AES,
_bindkey,
16 * 8 //bits
);
ret = mbedtls_ccm_auth_decrypt(&ctx,5,
(const unsigned char*)&nonce, sizeof(nonce),
authData, sizeof(authData),
packet->payload.cipher, output,
packet->payload.tag,sizeof(packet->payload.tag));
AddLog_P2(LOG_LEVEL_DEBUG,PSTR("MBEDTLS: Err:%i, Decrypted : %02x %02x %02x %02x %02x "), ret, output[0],output[1],output[2],output[3],output[4]);
// put decrypted data in place
memcpy((uint8_t*)(packet->payload.cipher)+1,output,sizeof(packet->payload.cipher));
// clean up
mbedtls_ccm_free(&ctx);
return ret;
#else // BearSSL
memcpy(output,packet->payload.cipher, sizeof(packet->payload.cipher)); memcpy(output,packet->payload.cipher, sizeof(packet->payload.cipher));
br_aes_small_ctrcbc_keys keyCtx; br_aes_small_ctrcbc_keys keyCtx;
@ -678,17 +678,15 @@ int MINRFdecryptPacket(char *_buf){
br_ccm_context ctx; br_ccm_context ctx;
br_ccm_init(&ctx, &keyCtx.vtable); br_ccm_init(&ctx, &keyCtx.vtable);
br_ccm_reset(&ctx, nonce, sizeof(nonce), sizeof(packet->payload.cipher), sizeof(authData), sizeof(packet->payload.tag)); br_ccm_reset(&ctx, nonce, sizeof(nonce), sizeof(authData),sizeof(packet->payload.cipher),sizeof(packet->payload.tag));
br_ccm_aad_inject(&ctx, authData, sizeof(authData)); br_ccm_aad_inject(&ctx, authData, sizeof(authData));
br_ccm_flip(&ctx); br_ccm_flip(&ctx);
br_ccm_run(&ctx, 0, output, sizeof(packet->payload.cipher)); br_ccm_run(&ctx, 0, output, sizeof(packet->payload.cipher));
ret = br_ccm_check_tag(&ctx, packet->payload.tag); ret = br_ccm_check_tag(&ctx, packet->payload.tag);
AddLog_P2(LOG_LEVEL_DEBUG,PSTR("BEARSSL: Err:%i, Decrypted : %02x %02x %02x %02x %02x "), ret, output[0],output[1],output[2],output[3],output[4]); AddLog_P2(LOG_LEVEL_DEBUG,PSTR("BEARSSL: Err:%i, Decrypted : %02x %02x %02x %02x %02x "), ret, output[0],output[1],output[2],output[3],output[4]);
memcpy((uint8_t*)(packet->payload.cipher)+1,output,sizeof(packet->payload.cipher)); memcpy((uint8_t*)(packet->payload.cipher)+1,output,sizeof(packet->payload.cipher));
return ret; return (ret-1);
#endif //USE_MBEDTLS
} }
#endif //USE_MI_DECRYPTION #endif //USE_MI_DECRYPTION
@ -775,11 +773,11 @@ void MINRFMACStringToBytes(char* _string, uint8_t _mac[]) { //uppercase
* *
*/ */
void MINRFcomputefirstUsedPacketMode(void){ void MINRFcomputefirstUsedPacketMode(void){
for (uint32_t i = 0; i<CGD1; i++){ for (uint32_t i = 0; i<MI_TYPES; i++){
if (!bitRead(MINRF.ignore,i+1)) { if (!bitRead(MINRF.ignore,i+1)) {
DEBUG_SENSOR_LOG(PSTR("MINRF: FPM: %u"),i+1); DEBUG_SENSOR_LOG(PSTR("MINRF: FPM: %u"),i+1);
MINRF.firstUsedPacketMode = i+1; MINRF.firstUsedPacketMode = i+1;
if(MINRF.firstUsedPacketMode>CGD1) MINRF.firstUsedPacketMode=0; if(MINRF.firstUsedPacketMode>MI_TYPES) MINRF.firstUsedPacketMode=0;
break; break;
} }
} }
@ -816,6 +814,11 @@ void MINRFchangePacketModeTo(uint8_t _mode) {
case 6: // special CGD1 packet case 6: // special CGD1 packet
NRF24radio.openReadingPipe(0,kMINRFCGDPDU[_nextchannel]); // cd fd 08 0c -> CGD1 NRF24radio.openReadingPipe(0,kMINRFCGDPDU[_nextchannel]); // cd fd 08 0c -> CGD1
break; break;
case 7: // MAC based NLIGHT packet
if (MIBLEnlights.size()==0) break;
NRF24radio.openReadingPipe(0,MIBLEnlights[MINRF.activeNlight].PDU[_nextchannel]); // computed from MAC -> NLIGHT
MINRF.activeNlight++;
break;
} }
// DEBUG_SENSOR_LOG(PSTR("MINRF: Change Mode to %u"),_mode); // DEBUG_SENSOR_LOG(PSTR("MINRF: Change Mode to %u"),_mode);
MINRF.packetMode = _mode; MINRF.packetMode = _mode;
@ -1035,6 +1038,44 @@ void MINRFhandleCGD1Packet(void){ // no MiBeacon
} }
} }
void MINRFhandleNlightPacket(void){ // no MiBeacon
uint32_t offset = 6;
uint8_t _buf[32+offset];
MINRFwhiten((uint8_t *)&MINRF.buffer, sizeof(MINRF.buffer), MINRF.channel[MINRF.currentChan] | 0x40);
MINRFswapbuf((uint8_t*)&MINRF.buffer,sizeof(MINRF.buffer));
memcpy((uint8_t*)&_buf+offset,MINRF.buffer.raw,32);
MINRFswapbuf((uint8_t*)&_buf,sizeof(_buf));
MINRFwhiten((uint8_t *)&_buf, sizeof(_buf), MINRF.channel[MINRF.currentChan] | 0x40);
if (offset == 6) MINRFreverseMAC((uint8_t*)&_buf[2]);
// AddLog_P2(LOG_LEVEL_INFO,PSTR("MINRF: NLIGHT: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"),_buf[0],_buf[1],_buf[2],_buf[3],_buf[4],_buf[5],_buf[6],_buf[7],_buf[8],_buf[9],_buf[10],_buf[11],_buf[12],_buf[13],_buf[14],_buf[15],_buf[16],_buf[17],_buf[18]);
uint32_t _frame_PID = _buf[15]<<24 | _buf[16]<<16 | _buf[17]<<8 | _buf[18];
if(_frame_PID!=0x4030dd03) return;
AddLog_P2(LOG_LEVEL_INFO,PSTR("MINRF: NLIGHT:%x"),_frame_PID);
uint32_t _idx = MINRF.activeNlight-1;
if(_buf[19]!=MIBLEnlights[_idx].lastCnt){
MIBLEnlights[_idx].lastCnt = _buf[19];
MIBLEnlights[_idx].events++;
AddLog_P2(LOG_LEVEL_INFO,PSTR("MINRF: NLIGHT %u: events: %u, Cnt:%u"), _idx,MIBLEnlights[_idx].events, MIBLEnlights[_idx].lastCnt);
}
}
void MINRFaddNlight(uint8_t _mac[]){ // no MiBeacon
for(uint32_t i=0; i<MIBLEnlights.size(); i++){
if(memcmp(_mac,MIBLEnlights[i].MAC,sizeof(MIBLEnlights[i].MAC))==0){
// AddLog_P2(LOG_LEVEL_INFO,PSTR("MINRF: NLIGHT: Known MAC!!"));
return;
}
}
mi_nlight_t _nlight;
memcpy(_nlight.MAC,_mac,sizeof(_nlight.MAC));
MINRFcomputeBeaconPDU(_nlight.MAC,_nlight.PDU);
_nlight.type=7;
_nlight.events=0;
_nlight.lastCnt=0;
MIBLEnlights.push_back(_nlight);
AddLog_P2(LOG_LEVEL_INFO,PSTR("MINRF: new %s at slot: %u"),kMINRFSlaveType[NLIGHT-1], MIBLEnlights.size()-1);
}
/*********************************************************************************************\ /*********************************************************************************************\
* Main loop of the driver * Main loop of the driver
\*********************************************************************************************/ \*********************************************************************************************/
@ -1066,6 +1107,9 @@ void MINRF_EVERY_50_MSECOND() { // Every 50mseconds
case CGD1: case CGD1:
MINRFhandleCGD1Packet(); MINRFhandleCGD1Packet();
break; break;
case NLIGHT:
MINRFhandleNlightPacket();
break;
default: default:
break; break;
} }
@ -1074,12 +1118,20 @@ void MINRF_EVERY_50_MSECOND() { // Every 50mseconds
MINRF.firstUsedPacketMode=0; MINRF.firstUsedPacketMode=0;
} }
MINRF.packetMode = (MINRF.packetMode+1>CGD1) ? MINRF.firstUsedPacketMode : MINRF.packetMode+1; if(MINRF.packetMode==NLIGHT){
for (uint32_t i = MINRF.packetMode; i<CGD1+1; i++){ if(MINRF.activeNlight+1>MIBLEnlights.size()){
if (bitRead(MINRF.ignore,i)) { MINRF.activeNlight=0;
MINRF.packetMode++; MINRF.packetMode=MINRF.firstUsedPacketMode;
}
}
else{
MINRF.packetMode = (MINRF.packetMode+1>MI_TYPES) ? MINRF.firstUsedPacketMode : MINRF.packetMode+1;
for (uint32_t i = MINRF.packetMode; i<MI_TYPES+1; i++){
if (bitRead(MINRF.ignore,i)) {
MINRF.packetMode++;
}
else break;
} }
else break;
} }
if (MINRF.activeScan) MINRF.packetMode=0; if (MINRF.activeScan) MINRF.packetMode=0;
@ -1119,7 +1171,7 @@ bool NRFCmd(void) {
if (XdrvMailbox.payload == 0){ if (XdrvMailbox.payload == 0){
MINRF.ignore = 0; MINRF.ignore = 0;
} }
else if (XdrvMailbox.payload < CGD1+1) { else if (XdrvMailbox.payload < MI_TYPES+1) {
bitSet(MINRF.ignore,XdrvMailbox.payload); bitSet(MINRF.ignore,XdrvMailbox.payload);
MINRFcomputefirstUsedPacketMode(); MINRFcomputefirstUsedPacketMode();
MINRF.timer = 5900; MINRF.timer = 5900;
@ -1169,7 +1221,17 @@ bool NRFCmd(void) {
MINRF.beacon.active=true; MINRF.beacon.active=true;
Response_P(S_JSON_NRF_COMMAND, command, XdrvMailbox.data); Response_P(S_JSON_NRF_COMMAND, command, XdrvMailbox.data);
} }
MINRFcomputeBeaconPDU(); MINRFcomputeBeaconPDU(MINRF.beacon.mac,MINRF.beacon.PDU);
}
break;
case CMND_NRF_NLIGHT:
if (XdrvMailbox.data_len > 0) {
if (XdrvMailbox.data_len==12){ // a MAC-string
uint8_t _mac[6] = {0};
MINRFMACStringToBytes(XdrvMailbox.data, _mac);
Response_P(S_JSON_NRF_COMMAND, command, XdrvMailbox.data);
MINRFaddNlight(_mac);
}
} }
break; break;
case CMND_NRF_CHAN: case CMND_NRF_CHAN:
@ -1306,6 +1368,13 @@ void MINRFShow(bool json)
WSContentSend_PD(HTTP_MINRF_MAC, F("Beacon"), D_MAC_ADDRESS, MINRF.beacon.mac[0], MINRF.beacon.mac[1],MINRF.beacon.mac[2],MINRF.beacon.mac[3],MINRF.beacon.mac[4],MINRF.beacon.mac[5]); WSContentSend_PD(HTTP_MINRF_MAC, F("Beacon"), D_MAC_ADDRESS, MINRF.beacon.mac[0], MINRF.beacon.mac[1],MINRF.beacon.mac[2],MINRF.beacon.mac[3],MINRF.beacon.mac[4],MINRF.beacon.mac[5]);
WSContentSend_PD(PSTR("{s}Beacon Time{m}%u seconds{e}"),MINRF.beacon.time); WSContentSend_PD(PSTR("{s}Beacon Time{m}%u seconds{e}"),MINRF.beacon.time);
} }
for(uint32_t i=0; i<MIBLEnlights.size(); i++){
WSContentSend_PD(HTTP_MINRF_HL);
WSContentSend_PD(HTTP_MINRF_MAC, F("NLIGHT"), D_MAC_ADDRESS, MIBLEnlights[i].MAC[0], MIBLEnlights[i].MAC[1],MIBLEnlights[i].MAC[2],MIBLEnlights[i].MAC[3],MIBLEnlights[i].MAC[4],MIBLEnlights[i].MAC[5]);
WSContentSend_PD(PSTR("{s}Events {m}%u (Cnt: %u){e}"),MIBLEnlights[i].events, MIBLEnlights[i].lastCnt);
}
if(counter>3) { if(counter>3) {
_page++; _page++;
counter = 0; counter = 0;