diff options
| -rw-r--r-- | aes.c | 5 |
1 files changed, 3 insertions, 2 deletions
@@ -600,11 +600,12 @@ void AES_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, co #if defined(CTR) && (CTR == 1) -void AES_CTR_xcrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv) +/* Symmetrical operation: same function for encrypting as for decrypting. Note any IV/nonce should never be reused with the same key */ +void AES_CTR_xcrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* nonce) { uint8_t buffer[BLOCKLEN], counter[BLOCKLEN]; - memcpy(counter, iv, BLOCKLEN); + memcpy(counter, nonce, BLOCKLEN); Key = key; KeyExpansion(); |