diff options
Diffstat (limited to 'crypto/hmac/hmac.c')
-rw-r--r-- | crypto/hmac/hmac.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/crypto/hmac/hmac.c b/crypto/hmac/hmac.c index 3374105cbb..a2c9dd9845 100644 --- a/crypto/hmac/hmac.c +++ b/crypto/hmac/hmac.c @@ -118,7 +118,10 @@ int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len) 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) |