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Fix review comment

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This commit is contained in:
Tesfa Mael
2019-08-28 10:42:57 -07:00
parent 625c3074b9
commit a76f719aac
2 changed files with 7 additions and 5 deletions
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10
wolfcrypt/src/aes.c
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@ -5123,8 +5123,10 @@ void GHASH(Aes* aes, const byte* a, word32 aSz, const byte* c,
}
#ifdef OPENSSL_EXTRA
/* store AAD partial tag for next call */
aes->aadH[0] = (word32)x[0];
aes->aadH[1] = (word32)x[1];
aes->aadH[0] = (word32)((x[0] & 0xFFFFFFFF00000000) >> 32);
aes->aadH[1] = (word32)(x[0] & 0xFFFFFFFF);
aes->aadH[2] = (word32)((x[1] & 0xFFFFFFFF00000000) >> 32);
aes->aadH[3] = (word32)(x[1] & 0xFFFFFFFF);
#endif
}
@ -5136,8 +5138,8 @@ void GHASH(Aes* aes, const byte* a, word32 aSz, const byte* c,
#ifdef OPENSSL_EXTRA
/* Start from last AAD partial tag */
if(aes->aadLen) {
x[0] = (word64)aes->aadH[0];
x[1] = (word64)aes->aadH[1];
x[0] = ((word64)aes->aadH[0]) << 32 | aes->aadH[1];
x[1] = ((word64)aes->aadH[2]) << 32 | aes->aadH[3];
}
#endif
while (blocks--) {

2
wolfssl/wolfcrypt/aes.h
View File

@ -146,7 +146,7 @@ typedef struct Aes {
#ifdef HAVE_AESGCM
ALIGN16 byte H[AES_BLOCK_SIZE];
#ifdef OPENSSL_EXTRA
word32 aadH[2]; /* additional authenticated data GASH */
word32 aadH[4]; /* additional authenticated data GHASH */
word32 aadLen; /* additional authenticated data len */
#endif