diff options
Diffstat (limited to 'src/scepclient')
| -rw-r--r-- | src/scepclient/scep.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/scepclient/scep.c b/src/scepclient/scep.c index d6cf5f2cc..8b2fd179a 100644 --- a/src/scepclient/scep.c +++ b/src/scepclient/scep.c @@ -131,7 +131,11 @@ chunk_t scep_generate_pkcs10_fingerprint(chunk_t pkcs10) hasher_t *hasher; hasher = lib->crypto->create_hasher(lib->crypto, HASH_MD5); - hasher->get_hash(hasher, pkcs10, digest.ptr); + if (!hasher || !hasher->get_hash(hasher, pkcs10, digest.ptr)) + { + DESTROY_IF(hasher); + return chunk_empty; + } hasher->destroy(hasher); return chunk_to_hex(digest, NULL, FALSE); @@ -157,8 +161,11 @@ void scep_generate_transaction_id(public_key_t *key, chunk_t *transID, asn1_bitstring("m", keyEncoding)); hasher = lib->crypto->create_hasher(lib->crypto, HASH_MD5); - hasher->get_hash(hasher, keyInfo, digest.ptr); - hasher->destroy(hasher); + if (!hasher || !hasher->get_hash(hasher, keyInfo, digest.ptr)) + { + memset(digest.ptr, 0, digest.len); + } + DESTROY_IF(hasher); free(keyInfo.ptr); /* is the most significant bit of the digest set? */ |