mirrors/openssl
0
0
Fork 0
mirror of https://github.com/openssl/openssl.git synced 2025-01-09 10:44:03 +08:00
Code Issues Packages Projects Releases Wiki Activity

Ensure HMAC_size() handles errors correctly

Browse Source 
Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Matt Caswell 2016-10-19 16:29:01 +01:00
parent 56a26ce360
commit 708e06c55d
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
crypto/hmac/hmac.c
View File

@ -118,7 +118,10 @@ int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
size_t HMAC_size(const HMAC_CTX *ctx) size_t HMAC_size(const HMAC_CTX *ctx)
{ {
return EVP_MD_size((ctx)->md); int size = EVP_MD_size((ctx)->md);
if (size < 0)
return 0;
return size;
} }
HMAC_CTX *HMAC_CTX_new(void) HMAC_CTX *HMAC_CTX_new(void)