mirrors/wolfssl
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix comment explaining ConstantCompare() in AES_GCM_decrypt_C().

Browse Source
This commit is contained in:
Daniel Pouzzner 2022-05-06 13:36:54 -05:00
parent ccc9b1535d
commit b59ac022c9
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
wolfcrypt/src/aes.c
View File

@ -8246,7 +8246,9 @@ int WARN_UNUSED_RESULT AES_GCM_decrypt_C(
XMEMCPY(p, scratch, partial);
}
/* ConstantCompare returns cumulative or of the bytewise XOR. */
/* ConstantCompare returns the cumulative bitwise or of the bitwise xor of
* the pairwise bytes in the strings.
*/
res = ConstantCompare(authTag, Tprime, authTagSz);
/* convert positive retval from ConstantCompare() to all-1s word, in
* constant time.