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Clean up aes state, default to 512 key size, improve log output.

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This commit is contained in:
Maarten Billemont
2017-09-24 12:00:38 -04:00
parent 39dcef46d2
commit b4c2a393f1
11 changed files with 125 additions and 91 deletions
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8
core/c/aes.c
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@@ -486,6 +486,8 @@ void AES_ECB_encrypt(uint8_t *output, const uint8_t *input, const uint32_t lengt
// The next function call encrypts the PlainText with the Key using AES algorithm.
Cipher();
bzero( RoundKey, keyExpSize );
}
void AES_ECB_decrypt(uint8_t *output, const uint8_t *input, const uint32_t length, const uint8_t *key)
@@ -499,6 +501,8 @@ void AES_ECB_decrypt(uint8_t *output, const uint8_t *input, const uint32_t lengt
KeyExpansion();
InvCipher();
bzero( RoundKey, keyExpSize );
}
@@ -555,6 +559,8 @@ void AES_CBC_encrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, co
state = (state_t*)output;
Cipher();
}
bzero( RoundKey, keyExpSize );
}
void AES_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv)
@@ -592,6 +598,8 @@ void AES_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, co
state = (state_t*)output;
InvCipher();
}
bzero( RoundKey, keyExpSize );
}
#endif // #if defined(AES_CBC) && (AES_CBC == 1)