diff options
Diffstat (limited to 'cipher/md.c')
| -rw-r--r-- | cipher/md.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/cipher/md.c b/cipher/md.c index 0414dcb0..d1d08123 100644 --- a/cipher/md.c +++ b/cipher/md.c @@ -948,6 +948,8 @@ _gcry_md_hash_buffer (int algo, void *digest, _gcry_sha1_hash_buffer (digest, buffer, length); else if (algo == GCRY_MD_RMD160 && !fips_mode () ) _gcry_rmd160_hash_buffer (digest, buffer, length); + else if (md_digest_length (algo) == 0) + ; /* Nothing to do for hashes without a fixed output length. */ else { /* For the others we do not have a fast function, so we use the @@ -1007,6 +1009,9 @@ _gcry_md_hash_buffers (int algo, unsigned int flags, void *digest, if (hmac && iovcnt < 1) return GPG_ERR_INV_ARG; + if (md_digest_length (algo) == 0) + return GPG_ERR_INV_ARG; + if (algo == GCRY_MD_SHA1 && !hmac) _gcry_sha1_hash_buffers (digest, iov, iovcnt); else |