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AES ECB for NUCLEO_F439ZI 

+---------------------------+--------+--------+--------+
| test case                 | passed | failed | result |
+---------------------------+--------+--------+--------+
| mbedtls_aes_self_test     | 1      | 0      | OK     |
| mbedtls_entropy_self_test | 1      | 0      | OK     |
| mbedtls_sha256_self_test  | 1      | 0      | OK     |
| mbedtls_sha512_self_test  | 1      | 0      | OK     |
+---------------------------+--------+--------+--------+
pull/3691/head
adustm 2017-02-28 16:34:43 +01:00
parent 3a27568a50
commit 35bf8e17e6
5 changed files with 797 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
TESTS/mbedtls/selftest/main.cpp
View File

@ -32,6 +32,7 @@ using namespace utest::v1;
#include "mbedtls/sha512.h"
#include "mbedtls/entropy.h"
#include "mbedtls/entropy_poll.h"
#include "mbedtls/aes.h"
#include <string.h>
@ -67,6 +68,9 @@ MBEDTLS_SELF_TEST_TEST_CASE(mbedtls_sha512_self_test)
MBEDTLS_SELF_TEST_TEST_CASE(mbedtls_entropy_self_test)
#endif
#if defined(MBEDTLS_AES_C)
MBEDTLS_SELF_TEST_TEST_CASE(mbedtls_aes_self_test)
#endif
#else
#warning "MBEDTLS_SELF_TEST not enabled"
#endif /* MBEDTLS_SELF_TEST */
@ -86,6 +90,9 @@ Case cases[] = {
Case("mbedtls_entropy_self_test", mbedtls_entropy_self_test_test_case),
#endif
#if defined(MBEDTLS_AES_C)
Case("mbedtls_aes_self_test",mbedtls_aes_self_test_test_case),
#endif
#endif /* MBEDTLS_SELF_TEST */
};

30
features/mbedtls/targets/TARGET_STM/TARGET_STM32F4/TARGET_NUCLEO_F439ZI/mbedtls_device.h Normal file
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@ -0,0 +1,30 @@
/*
* mbedtls_device.h
*******************************************************************************
* Copyright (c) 2017, STMicroelectronics
* 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.
*
*/
#ifndef MBEDTLS_DEVICE_H
#define MBEDTLS_DEVICE_H
#define MBEDTLS_AES_SETKEY_ENC_ALT
#define MBEDTLS_AES_SETKEY_DEC_ALT
#define MBEDTLS_AES_ENCRYPT_ALT
#define MBEDTLS_AES_DECRYPT_ALT
#endif /* MBEDTLS_DEVICE_H */

495
features/mbedtls/targets/TARGET_STM/aes_alt.c Normal file
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@ -0,0 +1,495 @@
/*
* Hardware aes collector for the STM32F4 family
*******************************************************************************
* Copyright (c) 2017, STMicroelectronics
* 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.
*
*/
#if defined(MBEDTLS_AES_ALT)
#include <stdio.h>
#include "cmsis.h"
#include "string.h"
#include "aes.h"
CRYP_HandleTypeDef hcryp_aes;
/* 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;
}
/**
* \brief Initialize AES context
*
* \param ctx AES context to be initialized
*/
void mbedtls_aes_init( mbedtls_aes_context *ctx )
{
memset( ctx, 0, sizeof( mbedtls_aes_context ) );
}
/**
* \brief Clear AES context
*
* \param ctx AES context to be cleared
*/
void mbedtls_aes_free( mbedtls_aes_context *ctx )
{
if( ctx == NULL )
return;
/* Force the CRYP Periheral Clock Reset */
__HAL_RCC_CRYP_FORCE_RESET();
/* Release the CRYP Periheral Clock Reset */
__HAL_RCC_CRYP_RELEASE_RESET();
mbedtls_zeroize( ctx, sizeof( mbedtls_aes_context ) );
}
/**
* \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
*/
#if defined(MBEDTLS_AES_SETKEY_ENC_ALT)
int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
unsigned int keybits )
{
switch( keybits )
{
case 128:
ctx->nr = 10;
memcpy(ctx->aes_enc_key, key, 16);
hcryp_aes.Init.KeySize = CRYP_KEYSIZE_128B;
break;
case 192:
ctx->nr = 12;
memcpy(ctx->aes_enc_key, key, 24);
hcryp_aes.Init.KeySize = CRYP_KEYSIZE_192B;
break;
case 256:
ctx->nr = 14;
memcpy(ctx->aes_enc_key, key, 32);
hcryp_aes.Init.KeySize = CRYP_KEYSIZE_256B;
break;
default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
}
/* Deinitializes the CRYP peripheral */
HAL_CRYP_DeInit(&hcryp_aes);
hcryp_aes.Init.DataType = CRYP_DATATYPE_8B;
hcryp_aes.Instance = CRYP;
/* Enable CRYP clock */
__HAL_RCC_CRYP_CLK_ENABLE();
hcryp_aes.Init.pKey = ctx->aes_enc_key;
HAL_CRYP_Init(&hcryp_aes);
return(0);
}
#endif /* MBEDTLS_AES_SETKEY_END_ALT */
/**
* \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
*/
#if defined(MBEDTLS_AES_SETKEY_DEC_ALT)
int mbedtls_aes_setkey_dec( mbedtls_aes_context *ctx, const unsigned char *key,
unsigned int keybits )
{
switch( keybits )
{
case 128:
ctx->nr = 10;
memcpy(ctx->aes_dec_key, key, 16);
hcryp_aes.Init.KeySize = CRYP_KEYSIZE_128B;
break;
case 192:
ctx->nr = 12;
memcpy(ctx->aes_dec_key, key, 24);
hcryp_aes.Init.KeySize = CRYP_KEYSIZE_192B;
break;
case 256:
ctx->nr = 14;
memcpy(ctx->aes_dec_key, key, 32);
hcryp_aes.Init.KeySize = CRYP_KEYSIZE_256B;
break;
default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
}
/* Deinitializes the CRYP peripheral */
HAL_CRYP_DeInit(&hcryp_aes);
/* Enable CRYP clock */
hcryp_aes.Init.DataType = CRYP_DATATYPE_8B;
hcryp_aes.Instance = CRYP;
/* Enable CRYP clock */
__HAL_RCC_CRYP_CLK_ENABLE();
hcryp_aes.Init.pKey = ctx->aes_dec_key;
HAL_CRYP_Init(&hcryp_aes);
return( 0 );
}
#endif /* MBEDTLS_AES_SETKEY_DEC_ALT */
/**
* \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 ((ctx->nr != 10) && (ctx->nr != 12) && (ctx->nr != 14))
return(MBEDTLS_ERR_AES_INVALID_KEY_LENGTH);
/*------------------ AES Decryption ------------------*/
if(mode == MBEDTLS_AES_DECRYPT) /* AES decryption */
{
mbedtls_aes_decrypt( ctx, input, output );
}
/*------------------ AES Encryption ------------------*/
else /* AES encryption */
{
mbedtls_aes_encrypt( ctx, input, output );
}
return( 0 );
}
#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 )
{
int i;
unsigned char temp[16];
if( length % 16 )
return( MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );
#if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
if( aes_padlock_ace )
{
if( mbedtls_padlock_xcryptcbc( ctx, mode, length, iv, input, output ) == 0 )
return( 0 );
// If padlock data misaligned, we just fall back to
// unaccelerated mode
//
}
#endif
if( mode == MBEDTLS_AES_DECRYPT )
{
while( length > 0 )
{
memcpy( temp, input, 16 );
mbedtls_aes_crypt_ecb( ctx, mode, input, output );
for( i = 0; i < 16; i++ )
output[i] = (unsigned char)( output[i] ^ iv[i] );
memcpy( iv, temp, 16 );
input += 16;
output += 16;
length -= 16;
}
}
else
{
while( length > 0 )
{
for( i = 0; i < 16; i++ )
output[i] = (unsigned char)( input[i] ^ iv[i] );
mbedtls_aes_crypt_ecb( ctx, mode, output, output );
memcpy( iv, output, 16 );
input += 16;
output += 16;
length -= 16;
}
}
return( 0 );
}
#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 )
{
int c;
size_t n = *iv_off;
if( mode == MBEDTLS_AES_DECRYPT )
{
while( length-- )
{
if( n == 0 )
mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
c = *input++;
*output++ = (unsigned char)( c ^ iv[n] );
iv[n] = (unsigned char) c;
n = ( n + 1 ) & 0x0F;
}
}
else
{
while( length-- )
{
if( n == 0 )
mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
n = ( n + 1 ) & 0x0F;
}
}
*iv_off = n;
return( 0 );
}
/**
* \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 )
{
unsigned char c;
unsigned char ov[17];
while( length-- )
{
memcpy( ov, iv, 16 );
mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
if( mode == MBEDTLS_AES_DECRYPT )
ov[16] = *input;
c = *output++ = (unsigned char)( iv[0] ^ *input++ );
if( mode == MBEDTLS_AES_ENCRYPT )
ov[16] = c;
memcpy( iv, ov + 1, 16 );
}
return( 0 );
}
#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 )
{
int c, i;
size_t n = *nc_off;
while( length-- )
{
if( n == 0 ) {
mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, nonce_counter, stream_block );
for( i = 16; i > 0; i-- )
if( ++nonce_counter[i - 1] != 0 )
break;
}
c = *input++;
*output++ = (unsigned char)( c ^ stream_block[n] );
n = ( n + 1 ) & 0x0F;
}
*nc_off = n;
return( 0 );
}
#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] )
{
HAL_CRYP_AESECB_Encrypt(&hcryp_aes, (uint8_t *)input, 16, (uint8_t *)output, 10);
}
/**
* \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] )
{
HAL_CRYP_AESECB_Decrypt(&hcryp_aes, (uint8_t *)input, 16, (uint8_t *)output, 10);
}
#endif /*MBEDTLS_AES_ALT*/

264
features/mbedtls/targets/TARGET_STM/aes_alt.h Normal file
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@ -0,0 +1,264 @@
/*
* aes_alt.h AES block cipher
*******************************************************************************
* Copyright (c) 2016, STMicroelectronics
* 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.
*
*/
#ifndef MBEDTLS_AES_ALT_H
#define MBEDTLS_AES_ALT_H
#if defined(MBEDTLS_AES_ALT)
#include "cmsis.h"
#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 */
unsigned char aes_enc_key[32]; /* Encryption key */
unsigned char aes_dec_key[32]; /* Decryption key */
}
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
#endif /* MBEDTLS_AES_ALT */
#endif /* MBEDTLS_AES_ALT_H */

2
targets/targets.json
View File

@ -903,7 +903,7 @@
"extra_labels": ["STM", "STM32F4", "STM32F439", "STM32F439ZI", "STM32F439xx", "STM32F439xI", "FLASH_CMSIS_ALGO"],
"supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
"progen": {"target": "nucleo-f439zi"},
"macros": ["TRANSACTION_QUEUE_SIZE_SPI=2"],
"macros": ["TRANSACTION_QUEUE_SIZE_SPI=2", "MBEDTLS_CONFIG_HW_SUPPORT", "MBEDTLS_AES_ALT"],
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG", "FLASH"],
"detect_code": ["0797"],
"features": ["LWIP"],