diff options
Diffstat (limited to 'src/libstrongswan/credentials/keys/signature_params.c')
| -rw-r--r-- | src/libstrongswan/credentials/keys/signature_params.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/libstrongswan/credentials/keys/signature_params.c b/src/libstrongswan/credentials/keys/signature_params.c index 6b4d22e7b..8f42fb940 100644 --- a/src/libstrongswan/credentials/keys/signature_params.c +++ b/src/libstrongswan/credentials/keys/signature_params.c @@ -280,13 +280,17 @@ bool rsa_pss_params_parse(chunk_t asn1, int level0, rsa_pss_params_t *params) case RSASSA_PSS_PARAMS_MGF_ALG: if (object.len) { - chunk_t hash; + chunk_t hash = chunk_empty; alg = asn1_parse_algorithmIdentifier(object, level, &hash); if (alg != OID_MGF1) { goto end; } + if (!hash.len) + { + goto end; + } alg = asn1_parse_algorithmIdentifier(hash, level+1, NULL); params->mgf1_hash = hasher_algorithm_from_oid(alg); if (params->mgf1_hash == HASH_UNKNOWN) |