diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/openssl.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/openssl.c b/src/openssl.c index 8e95622..646e2ae 100644 --- a/src/openssl.c +++ b/src/openssl.c @@ -3722,18 +3722,22 @@ static int xc_setPublicKey(lua_State *L) { static int xc_getPublicKeyDigest(lua_State *L) { - ASN1_BIT_STRING *pk = ((X509 *) checksimple(L, 1, X509_CERT_CLASS))->cert_info->key->public_key; - + ASN1_BIT_STRING *pk = ((X509 *)checksimple(L, 1, X509_CERT_CLASS))->cert_info->key->public_key; + const char *id = luaL_optstring(L, 2, "sha1"); + const EVP_MD *md; unsigned char digest[EVP_MAX_MD_SIZE]; unsigned int len; - if (!EVP_Digest(pk->data, pk->length, digest, &len, EVP_sha1(), NULL)) + if (!(md = EVP_get_digestbyname(id))) + return luaL_error(L, "x509.cert:getPublicKeyDigest: %s: invalid digest type", id); + + if (!EVP_Digest(pk->data, pk->length, digest, &len, md, NULL)) return auxL_error(L, auxL_EOPENSSL, "x509.cert:getPublicKeyDigest"); - lua_pushlstring(L, (char *) digest, len); + lua_pushlstring(L, (char *)digest, len); return 1; -} /* xc_setPublicKeyDigest() */ +} /* xc_getPublicKeyDigest() */ static const EVP_MD *xc_signature(lua_State *L, int index, EVP_PKEY *key) { |