117659d1c7
great, yay, krüger's first sophisticated C piece I should really get someone to audit my mess
74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/*
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Copyright 2021 Maciej Krüger <maciej@xeredo.it>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <limits.h>
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#include <lua.h>
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#include <lualib.h>
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#include <lauxlib.h>
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#include "ecdsa_util.h"
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#define ECDSA "gluon.ecdsa"
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// TODO: fix all the memory leaks
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static bool verify(lua_State *L, const char *data, const char *sig, const char *key) {
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struct verify_params params = {
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.good_signatures = 1
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};
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if (!hash_data(¶ms, data)) {
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return luaL_error(L, "failed hashing data");
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}
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if (!load_signatures(¶ms, 1, &sig, false)) {
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return luaL_error(L, "failed loading signature");
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}
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if (!load_pubkeys(¶ms, 1, &key, false)) {
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return luaL_error(L, "failed loading key");
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}
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return do_verify(¶ms);
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}
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static int lua_verify(lua_State *L) {
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lua_pushboolean(L, verify(L, luaL_checkstring(L, 1), luaL_checkstring(L, 2), luaL_checkstring(L, 3)));
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return 1;
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}
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static const luaL_reg ecdsa_methods[] = {
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{ "verify", lua_verify },
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{ }
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};
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int luaopen_gluon_ecdsa(lua_State *L)
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{
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luaL_register(L, ECDSA, ecdsa_methods);
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return 1;
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}
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