feedc0de/wolfssl
1
0
Fork 0
forked from wolfSSL/wolfssl
Code Pull Requests Activity

Fix infinite loop

Browse Source 
'ret' could be set to non-zero inside the loop and the 'cmac->bufferSz' never gets reset causing 'add' to become 0 in the subsequent loop.
This commit is contained in:
Andras Fekete
2024-05-08 09:52:37 -04:00
parent d22991bb03
commit 8f9c8a1203
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
wolfcrypt/src/cmac.c
View File

@@ -211,7 +211,7 @@ int wc_CmacUpdate(Cmac* cmac, const byte* in, word32 inSz)
/* Clear CRYPTOCB_UNAVAILABLE return code */
ret = 0;
while (inSz != 0) {
while ((ret == 0) && (inSz != 0)) {
word32 add = min(inSz, AES_BLOCK_SIZE - cmac->bufferSz);
XMEMCPY(&cmac->buffer[cmac->bufferSz], in, add);