diff options
Diffstat (limited to 'cipher/cipher-gcm.c')
| -rw-r--r-- | cipher/cipher-gcm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cipher/cipher-gcm.c b/cipher/cipher-gcm.c index 6b13fc55..3711a1df 100644 --- a/cipher/cipher-gcm.c +++ b/cipher/cipher-gcm.c @@ -474,7 +474,7 @@ do_ghash_buf(gcry_cipher_hd_t c, byte *hash, const byte *buf, do { - if (buflen + unused < blocksize || unused > 0) + if (buflen > 0 && (buflen + unused < blocksize || unused > 0)) { n = blocksize - unused; n = n < buflen ? n : buflen; |