diff options
Diffstat (limited to 'g10/sign.c')
| -rw-r--r-- | g10/sign.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/g10/sign.c b/g10/sign.c index c1a09bae4..155dab6dc 100644 --- a/g10/sign.c +++ b/g10/sign.c @@ -246,6 +246,8 @@ do_sign( PKT_secret_key *sk, PKT_signature *sig, sig->digest_start[1] = dp[1]; frame = encode_md_value( sk->pubkey_algo, md, digest_algo, mpi_get_nbits(sk->skey[0]), 0 ); + if (!frame) + return G10ERR_GENERAL; rc = pubkey_sign( sk->pubkey_algo, sig->data, frame, sk->skey ); mpi_free(frame); if (!rc && !opt.no_sig_create_check) { @@ -260,8 +262,12 @@ do_sign( PKT_secret_key *sk, PKT_signature *sig, frame = encode_md_value (pk->pubkey_algo, md, sig->digest_algo, mpi_get_nbits(pk->pkey[0]), 0); - rc = pubkey_verify (pk->pubkey_algo, frame, sig->data, pk->pkey, - NULL, NULL ); + if (!frame) + rc = G10ERR_GENERAL; + else + rc = pubkey_verify (pk->pubkey_algo, frame, + sig->data, pk->pkey, + NULL, NULL ); mpi_free (frame); } if (rc) |