diff options
Diffstat (limited to 'cipher')
-rw-r--r-- | cipher/md.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/cipher/md.c b/cipher/md.c index c6bf90d2..948d269b 100644 --- a/cipher/md.c +++ b/cipher/md.c @@ -671,6 +671,9 @@ prepare_macpads (gcry_md_hd_t a, const unsigned char *key, size_t keylen) if (!a->ctx->list) return GPG_ERR_DIGEST_ALGO; /* Might happen if no algo is enabled. */ + if (!a->ctx->flags.hmac) + return GPG_ERR_DIGEST_ALGO; /* Tried setkey for non-HMAC md. */ + for (r = a->ctx->list; r; r = r->next) { const unsigned char *k; |