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Fixes for newer STM CubeMX HAL for STM32F7.

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This commit is contained in:
David Garske
2019-07-29 08:12:43 -07:00
parent 18002d4545
commit f5c1c33dba
3 changed files with 86 additions and 8 deletions
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79
wolfcrypt/src/aes.c
View File

@ -311,12 +311,17 @@
hcryp.Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT;
hcryp.Init.ChainingMode = CRYP_CHAINMODE_AES_ECB;
hcryp.Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE;
#elif defined(STM32_HAL_V2)
hcryp.Init.Algorithm = CRYP_AES_ECB;
#endif
HAL_CRYP_Init(&hcryp);
#ifdef STM32_CRYPTO_AES_ONLY
ret = HAL_CRYPEx_AES(&hcryp, (uint8_t*)inBlock, AES_BLOCK_SIZE,
outBlock, STM32_HAL_TIMEOUT);
#elif defined(STM32_HAL_V2)
ret = HAL_CRYP_Encrypt(&hcryp, (uint32_t*)inBlock, AES_BLOCK_SIZE,
(uint32_t*)outBlock, STM32_HAL_TIMEOUT);
#else
ret = HAL_CRYP_AESECB_Encrypt(&hcryp, (uint8_t*)inBlock, AES_BLOCK_SIZE,
outBlock, STM32_HAL_TIMEOUT);
@ -389,12 +394,17 @@
hcryp.Init.OperatingMode = CRYP_ALGOMODE_DECRYPT;
hcryp.Init.ChainingMode = CRYP_CHAINMODE_AES_ECB;
hcryp.Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE;
#elif defined(STM32_HAL_V2)
hcryp.Init.Algorithm = CRYP_AES_ECB;
#endif
HAL_CRYP_Init(&hcryp);
#ifdef STM32_CRYPTO_AES_ONLY
ret = HAL_CRYPEx_AES(&hcryp, (uint8_t*)inBlock, AES_BLOCK_SIZE,
outBlock, STM32_HAL_TIMEOUT);
#elif defined(STM32_HAL_V2)
ret = HAL_CRYP_Decrypt(&hcryp, (uint32_t*)inBlock, AES_BLOCK_SIZE,
(uint32_t*)outBlock, STM32_HAL_TIMEOUT);
#else
ret = HAL_CRYP_AESECB_Decrypt(&hcryp, (uint8_t*)inBlock, AES_BLOCK_SIZE,
outBlock, STM32_HAL_TIMEOUT);
@ -2455,14 +2465,19 @@ int wc_AesSetIV(Aes* aes, const byte* iv)
hcryp.Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT;
hcryp.Init.ChainingMode = CRYP_CHAINMODE_AES_CBC;
hcryp.Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE;
#elif defined(STM32_HAL_V2)
hcryp.Init.Algorithm = CRYP_AES_CBC;
#endif
hcryp.Init.pInitVect = (uint8_t*)aes->reg;
hcryp.Init.pInitVect = (STM_CRYPT_TYPE*)aes->reg;
HAL_CRYP_Init(&hcryp);
while (blocks--) {
#ifdef STM32_CRYPTO_AES_ONLY
ret = HAL_CRYPEx_AES(&hcryp, (uint8_t*)in, AES_BLOCK_SIZE,
out, STM32_HAL_TIMEOUT);
#elif defined(STM32_HAL_V2)
ret = HAL_CRYP_Encrypt(&hcryp, (uint32_t*)in, AES_BLOCK_SIZE,
(uint32_t*)out, STM32_HAL_TIMEOUT);
#else
ret = HAL_CRYP_AESCBC_Encrypt(&hcryp, (uint8_t*)in, AES_BLOCK_SIZE,
out, STM32_HAL_TIMEOUT);
@ -2502,15 +2517,20 @@ int wc_AesSetIV(Aes* aes, const byte* iv)
hcryp.Init.OperatingMode = CRYP_ALGOMODE_KEYDERIVATION_DECRYPT;
hcryp.Init.ChainingMode = CRYP_CHAINMODE_AES_CBC;
hcryp.Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE;
#elif defined(STM32_HAL_V2)
hcryp.Init.Algorithm = CRYP_AES_CBC;
#endif
hcryp.Init.pInitVect = (uint8_t*)aes->reg;
hcryp.Init.pInitVect = (STM_CRYPT_TYPE*)aes->reg;
HAL_CRYP_Init(&hcryp);
while (blocks--) {
#ifdef STM32_CRYPTO_AES_ONLY
ret = HAL_CRYPEx_AES(&hcryp, (uint8_t*)in, AES_BLOCK_SIZE,
out, STM32_HAL_TIMEOUT);
#elif defined(STM32_HAL_V2)
ret = HAL_CRYP_Decrypt(&hcryp, (uint32_t*)in, AES_BLOCK_SIZE,
(uint32_t*)out, STM32_HAL_TIMEOUT);
#else
ret = HAL_CRYP_AESCBC_Decrypt(&hcryp, (uint8_t*)in, AES_BLOCK_SIZE,
out, STM32_HAL_TIMEOUT);
@ -3201,13 +3221,18 @@ int wc_AesSetIV(Aes* aes, const byte* iv)
hcryp.Init.OperatingMode = CRYP_ALGOMODE_ENCRYPT;
hcryp.Init.ChainingMode = CRYP_CHAINMODE_AES_CTR;
hcryp.Init.KeyWriteFlag = CRYP_KEY_WRITE_ENABLE;
#elif defined(STM32_HAL_V2)
hcryp.Init.Algorithm = CRYP_AES_CTR;
#endif
hcryp.Init.pInitVect = (uint8_t*)aes->reg;
hcryp.Init.pInitVect = (STM_CRYPT_TYPE*)aes->reg;
HAL_CRYP_Init(&hcryp);
#ifdef STM32_CRYPTO_AES_ONLY
ret = HAL_CRYPEx_AES(&hcryp, (byte*)in, AES_BLOCK_SIZE,
out, STM32_HAL_TIMEOUT);
#elif defined(STM32_HAL_V2)
ret = HAL_CRYP_Encrypt(&hcryp, (uint32_t*)in, AES_BLOCK_SIZE,
(uint32_t*)out, STM32_HAL_TIMEOUT);
#else
ret = HAL_CRYP_AESCTR_Encrypt(&hcryp, (byte*)in, AES_BLOCK_SIZE,
out, STM32_HAL_TIMEOUT);
@ -5370,8 +5395,8 @@ static int wc_AesGcmEncrypt_STM32(Aes* aes, byte* out, const byte* in, word32 sz
}
#ifdef WOLFSSL_STM32_CUBEMX
hcryp.Init.pInitVect = (uint8_t*)ctr;
hcryp.Init.Header = authInPadded;
hcryp.Init.pInitVect = (STM_CRYPT_TYPE*)ctr;
hcryp.Init.Header = (STM_CRYPT_TYPE*)authInPadded;
hcryp.Init.HeaderSize = authInSz;
#ifdef STM32_CRYPTO_AES_ONLY
@ -5409,6 +5434,26 @@ static int wc_AesGcmEncrypt_STM32(Aes* aes, byte* out, const byte* in, word32 sz
hcryp.Init.GCMCMACPhase = CRYP_FINAL_PHASE;
status = HAL_CRYPEx_AES_Auth(&hcryp, NULL, sz, tag, STM32_HAL_TIMEOUT);
}
#elif defined(STM32_HAL_V2)
hcryp.Init.Algorithm = CRYP_AES_GCM;
HAL_CRYP_Init(&hcryp);
if (blocks) {
/* GCM payload phase - blocks */
status = HAL_CRYP_Encrypt(&hcryp, (uint32_t*)in, (blocks * AES_BLOCK_SIZE),
(uint32_t*)out, STM32_HAL_TIMEOUT);
}
if (status == HAL_OK && partial != 0) {
/* GCM payload phase - partial remainder */
XMEMSET(partialBlock, 0, sizeof(partialBlock));
XMEMCPY(partialBlock, in + (blocks * AES_BLOCK_SIZE), partial);
status = HAL_CRYP_Encrypt(&hcryp, (uint32_t*)partialBlock, partial, (uint32_t*)partialBlock,
STM32_HAL_TIMEOUT);
XMEMCPY(out + (blocks * AES_BLOCK_SIZE), partialBlock, partial);
}
if (status == HAL_OK) {
/* Compute the authTag */
status = HAL_CRYPEx_AESGCM_GenerateAuthTAG(&hcryp, (uint32_t*)tag, STM32_HAL_TIMEOUT);
}
#else
HAL_CRYP_Init(&hcryp);
if (blocks) {
@ -5769,8 +5814,8 @@ static int wc_AesGcmDecrypt_STM32(Aes* aes, byte* out,
}
#ifdef WOLFSSL_STM32_CUBEMX
hcryp.Init.pInitVect = (uint8_t*)ctr;
hcryp.Init.Header = authInPadded;
hcryp.Init.pInitVect = (STM_CRYPT_TYPE*)ctr;
hcryp.Init.Header = (STM_CRYPT_TYPE*)authInPadded;
hcryp.Init.HeaderSize = authInSz;
#ifdef STM32_CRYPTO_AES_ONLY
@ -5808,6 +5853,26 @@ static int wc_AesGcmDecrypt_STM32(Aes* aes, byte* out,
hcryp.Init.GCMCMACPhase = CRYP_FINAL_PHASE;
status = HAL_CRYPEx_AES_Auth(&hcryp, NULL, sz, tag, STM32_HAL_TIMEOUT);
}
#elif defined(STM32_HAL_V2)
hcryp.Init.Algorithm = CRYP_AES_GCM;
HAL_CRYP_Init(&hcryp);
if (blocks) {
/* GCM payload phase - blocks */
status = HAL_CRYP_Encrypt(&hcryp, (uint32_t*)in, (blocks * AES_BLOCK_SIZE),
(uint32_t*)out, STM32_HAL_TIMEOUT);
}
if (status == HAL_OK && partial != 0) {
/* GCM payload phase - partial remainder */
XMEMSET(partialBlock, 0, sizeof(partialBlock));
XMEMCPY(partialBlock, in + (blocks * AES_BLOCK_SIZE), partial);
status = HAL_CRYP_Decrypt(&hcryp, (uint32_t*)partialBlock, partial, (uint32_t*)partialBlock,
STM32_HAL_TIMEOUT);
XMEMCPY(out + (blocks * AES_BLOCK_SIZE), partialBlock, partial);
}
if (status == HAL_OK) {
/* Compute the authTag */
status = HAL_CRYPEx_AESGCM_GenerateAuthTAG(&hcryp, (uint32_t*)tag, STM32_HAL_TIMEOUT);
}
#else
HAL_CRYP_Init(&hcryp);
if (blocks) {

2
wolfcrypt/src/port/st/stm32.c
View File

@ -292,7 +292,7 @@ int wc_Stm32_Aes_Init(Aes* aes, CRYP_HandleTypeDef* hcryp)
}
hcryp->Instance = CRYP;
hcryp->Init.DataType = CRYP_DATATYPE_8B;
hcryp->Init.pKey = (uint8_t*)aes->key;
hcryp->Init.pKey = (STM_CRYPT_TYPE*)aes->key;
return 0;
}

13
wolfssl/wolfcrypt/port/st/stm32.h
View File

@ -98,6 +98,19 @@ int wc_Stm32_Hash_Final(STM32_HASH_Context* stmCtx, word32 algo,
#define CRYP AES
#endif
/* Detect newer CubeMX crypto HAL (HAL_CRYP_Encrypt / HAL_CRYP_Decrypt) */
#if !defined(STM32_HAL_V2) && \
defined(WOLFSSL_STM32F7) && defined(CRYP_AES_GCM)
#define STM32_HAL_V2
#endif
/* Thee datatype for STM32 CubeMX HAL Crypt calls */
#ifdef STM32_HAL_V2
#define STM_CRYPT_TYPE uint32_t
#else
#define STM_CRYPT_TYPE uint8_t
#endif
/* CRYPT_AES_GCM starts the IV with 2 */
#define STM32_GCM_IV_START 2