mirror of
https://github.com/guanzhi/GmSSL.git
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150 lines
3.2 KiB
C
150 lines
3.2 KiB
C
<<<<<<< HEAD
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/*
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* Copyright (c) 2021 - 2021 The GmSSL Project. All rights reserved.
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=======
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/*
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* Copyright 2014-2021 The GmSSL Project Authors. All Rights Reserved.
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>>>>>>> 5fc13a8aefa3fb395f32927e35dda4210a3c1a23
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <gmssl/sm2.h>
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#include <gmssl/pem.h>
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#include <gmssl/pkcs8.h>
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#include <gmssl/error.h>
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#ifndef WIN32
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#include <pwd.h>
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#include <unistd.h>
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#endif
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// echo data | sm2sign -id "Alice" -keyfile sm2.pem
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// echo data | sm2verify -id "Alice" -keyfile sm2pub.pem -certfile a -cacertfile b
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int main(int argc, char **argv)
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{
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char *prog = argv[0];
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char *keyfile = NULL;
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char *pass = NULL;
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char *id = SM2_DEFAULT_ID;
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char *infile = NULL;
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char *outfile = NULL;
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FILE *keyfp = NULL;
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FILE *infp = stdin;
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FILE *outfp = stdout;
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SM2_KEY key;
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SM2_SIGN_CTX sign_ctx;
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uint8_t buf[4096];
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ssize_t len;
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uint8_t sig[SM2_MAX_SIGNATURE_SIZE];
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size_t siglen;
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argc--;
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argv++;
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while (argc > 0) {
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if (!strcmp(*argv, "-help")) {
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help:
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fprintf(stderr, "usage: %s -key pem [-pass password] [-id str] [-in file] [-out file]\n", prog);
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return -1;
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} else if (!strcmp(*argv, "-key")) {
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if (--argc < 1) goto bad;
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keyfile = *(++argv);
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} else if (!strcmp(*argv, "-pass")) {
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if (--argc < 1) goto bad;
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pass = *(++argv);
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} else if (!strcmp(*argv, "-id")) {
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if (--argc < 1) goto bad;
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id = *(++argv);
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} else if (!strcmp(*argv, "-in")) {
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if (--argc < 1) goto bad;
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infile = *(++argv);
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} else if (!strcmp(*argv, "-out")) {
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if (--argc < 1) goto bad;
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outfile = *(++argv);
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} else {
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fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv);
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goto help;
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}
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argc--;
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argv++;
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}
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if (!keyfile) {
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error_print();
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goto help;
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}
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if (!(keyfp = fopen(keyfile, "r"))) {
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error_print();
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return -1;
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}
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if (!pass) {
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#ifndef WIN32
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pass = getpass("Encryption Password : ");
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#else
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fprintf(stderr, "%s: '-pass' option required\n", prog);
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#endif
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}
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if (infile) {
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if (!(infp = fopen(infile, "rb"))) {
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error_print();
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return -1;
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}
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}
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if (outfile) {
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if (!(outfp = fopen(outfile, "wb"))) {
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error_print();
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return -1;
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}
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}
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if (sm2_enced_private_key_info_from_pem(&key, pass, keyfp) != 1) {
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error_puts("private key decryption failure");
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return -1;
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}
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sm2_sign_init(&sign_ctx, &key, id);
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while ((len = fread(buf, 1, sizeof(buf), infp)) > 0) {
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sm2_sign_update(&sign_ctx, buf, len);
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}
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sm2_sign_finish(&sign_ctx, sig, &siglen);
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fwrite(sig, 1, siglen, outfp);
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memset(&key, 0, sizeof(SM2_KEY));
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return 0;
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bad:
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fprintf(stderr, "%s: '%s' option value required\n", prog, *argv);
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return -1;
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}
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