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Merge pull request #2105 from dgarske/fix_stm_aesgcm

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Fix for STM32 AES GCM
This commit is contained in:
toddouska
2019-02-20 09:23:11 -08:00
committed by GitHub
parent 3013cdd925 ba14564c49
commit b8dc772ef8
1 changed files with 4 additions and 4 deletions
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8
wolfcrypt/src/aes.c
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@ -5450,8 +5450,8 @@ int wc_AesGcmEncrypt(Aes* aes, byte* out, const byte* in, word32 sz,
defined(WOLFSSL_STM32F7) || \ defined(WOLFSSL_STM32F7) || \
defined(WOLFSSL_STM32L4)) defined(WOLFSSL_STM32L4))
/* STM32 HW only supports 12 byte IV and 16 byte auth */ /* STM32 HW only supports 12 byte IV */
if (ivSz == GCM_NONCE_MID_SZ && authInSz == AES_BLOCK_SIZE) { if (ivSz == GCM_NONCE_MID_SZ) {
return wc_AesGcmEncrypt_STM32(aes, out, in, sz, iv, ivSz, return wc_AesGcmEncrypt_STM32(aes, out, in, sz, iv, ivSz,
authTag, authTagSz, authIn, authInSz); authTag, authTagSz, authIn, authInSz);
} }
@ -5853,8 +5853,8 @@ int wc_AesGcmDecrypt(Aes* aes, byte* out, const byte* in, word32 sz,
defined(WOLFSSL_STM32F7) || \ defined(WOLFSSL_STM32F7) || \
defined(WOLFSSL_STM32L4)) defined(WOLFSSL_STM32L4))
/* STM32 HW only supports 12 byte IV and 16 byte auth */ /* STM32 HW only supports 12 byte IV */
if (ivSz == GCM_NONCE_MID_SZ && authInSz == AES_BLOCK_SIZE) { if (ivSz == GCM_NONCE_MID_SZ) {
return wc_AesGcmDecrypt_STM32(aes, out, in, sz, iv, ivSz, return wc_AesGcmDecrypt_STM32(aes, out, in, sz, iv, ivSz,
authTag, authTagSz, authIn, authInSz); authTag, authTagSz, authIn, authInSz);
} }