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AEAD additional data for encrypt and decrypt should be AEAD_AUTH_DATA_SZ

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This commit is contained in:
John Safranek
2014-05-16 15:47:22 -07:00
parent 4a511fe36d
commit da5b042d21
1 changed files with 13 additions and 14 deletions
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27
src/internal.c
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@@ -4189,11 +4189,11 @@ static INLINE int Encrypt(CYASSL* ssl, byte* out, const byte* input, word16 sz)
#ifdef BUILD_AESGCM
case cyassl_aes_gcm:
{
byte additional[AES_BLOCK_SIZE];
byte additional[AEAD_AUTH_DATA_SZ];
byte nonce[AEAD_NONCE_SZ];
const byte* additionalSrc = input - 5;
XMEMSET(additional, 0, AES_BLOCK_SIZE);
XMEMSET(additional, 0, AEAD_AUTH_DATA_SZ);
/* sequence number field is 64-bits, we only use 32-bits */
c32toa(GetSEQIncrement(ssl, 0),
@@ -4222,8 +4222,8 @@ static INLINE int Encrypt(CYASSL* ssl, byte* out, const byte* input, word16 sz)
sz - AEAD_EXP_IV_SZ - ssl->specs.aead_mac_size,
nonce, AEAD_NONCE_SZ,
out + sz - ssl->specs.aead_mac_size,
ssl->specs.aead_mac_size, additional,
AEAD_AUTH_DATA_SZ);
ssl->specs.aead_mac_size,
additional, AEAD_AUTH_DATA_SZ);
AeadIncrementExpIV(ssl);
XMEMSET(nonce, 0, AEAD_NONCE_SZ);
}
@@ -4233,11 +4233,11 @@ static INLINE int Encrypt(CYASSL* ssl, byte* out, const byte* input, word16 sz)
#ifdef HAVE_AESCCM
case cyassl_aes_ccm:
{
byte additional[AES_BLOCK_SIZE];
byte additional[AEAD_AUTH_DATA_SZ];
byte nonce[AEAD_NONCE_SZ];
const byte* additionalSrc = input - 5;
XMEMSET(additional, 0, AES_BLOCK_SIZE);
XMEMSET(additional, 0, AEAD_AUTH_DATA_SZ);
/* sequence number field is 64-bits, we only use 32-bits */
c32toa(GetSEQIncrement(ssl, 0),
@@ -4270,9 +4270,8 @@ static INLINE int Encrypt(CYASSL* ssl, byte* out, const byte* input, word16 sz)
additional, AEAD_AUTH_DATA_SZ);
AeadIncrementExpIV(ssl);
XMEMSET(nonce, 0, AEAD_NONCE_SZ);
break;
}
break;
#endif
#ifdef HAVE_CAMELLIA
@@ -4341,10 +4340,10 @@ static INLINE int Decrypt(CYASSL* ssl, byte* plain, const byte* input,
#ifdef BUILD_AESGCM
case cyassl_aes_gcm:
{
byte additional[AES_BLOCK_SIZE];
byte additional[AEAD_AUTH_DATA_SZ];
byte nonce[AEAD_NONCE_SZ];
XMEMSET(additional, 0, AES_BLOCK_SIZE);
XMEMSET(additional, 0, AEAD_AUTH_DATA_SZ);
/* sequence number field is 64-bits, we only use 32-bits */
c32toa(GetSEQIncrement(ssl, 1), additional + AEAD_SEQ_OFFSET);
@@ -4375,17 +4374,17 @@ static INLINE int Decrypt(CYASSL* ssl, byte* plain, const byte* input,
return VERIFY_MAC_ERROR;
}
XMEMSET(nonce, 0, AEAD_NONCE_SZ);
break;
}
break;
#endif
#ifdef HAVE_AESCCM
case cyassl_aes_ccm:
{
byte additional[AES_BLOCK_SIZE];
byte additional[AEAD_AUTH_DATA_SZ];
byte nonce[AEAD_NONCE_SZ];
XMEMSET(additional, 0, AES_BLOCK_SIZE);
XMEMSET(additional, 0, AEAD_AUTH_DATA_SZ);
/* sequence number field is 64-bits, we only use 32-bits */
c32toa(GetSEQIncrement(ssl, 1), additional + AEAD_SEQ_OFFSET);
@@ -4416,8 +4415,8 @@ static INLINE int Decrypt(CYASSL* ssl, byte* plain, const byte* input,
return VERIFY_MAC_ERROR;
}
XMEMSET(nonce, 0, AEAD_NONCE_SZ);
break;
}
break;
#endif
#ifdef HAVE_CAMELLIA