mirror of
https://github.com/guanzhi/GmSSL.git
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93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
/*
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* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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#include <gmssl/mem.h>
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#include <gmssl/sm2.h>
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static const char *options = "-pass str [-out pem] [-pubout pem]";
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int sm2keygen_main(int argc, char **argv)
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{
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int ret = 1;
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char *prog = argv[0];
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char *pass = NULL;
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char *outfile = NULL;
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char *puboutfile = NULL;
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FILE *outfp = stdout;
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FILE *puboutfp = stdout;
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SM2_KEY key;
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argc--;
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argv++;
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if (argc < 1) {
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fprintf(stderr, "usage: %s %s\n", prog, options);
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return 1;
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}
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while (argc > 0) {
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if (!strcmp(*argv, "-help")) {
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printf("usage: %s %s\n", prog, options);
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ret = 0;
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goto end;
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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, "-out")) {
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if (--argc < 1) goto bad;
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outfile = *(++argv);
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if (!(outfp = fopen(outfile, "wb"))) {
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fprintf(stderr, "%s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
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goto end;
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}
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} else if (!strcmp(*argv, "-pubout")) {
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if (--argc < 1) goto bad;
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puboutfile = *(++argv);
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if (!(puboutfp = fopen(puboutfile, "wb"))) {
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fprintf(stderr, "%s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
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goto end;
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}
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} else {
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fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv);
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goto end;
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bad:
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fprintf(stderr, "%s: '%s' option value missing\n", prog, *argv);
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goto end;
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}
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argc--;
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argv++;
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}
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if (!pass) {
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fprintf(stderr, "%s: '-pass' option required\n", prog);
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goto end;
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}
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if (sm2_key_generate(&key) != 1
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|| sm2_private_key_info_encrypt_to_pem(&key, pass, outfp) != 1
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|| sm2_public_key_info_to_pem(&key, puboutfp) != 1) {
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fprintf(stderr, "%s: inner failure\n", prog);
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goto end;
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}
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ret = 0;
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end:
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gmssl_secure_clear(&key, sizeof(key));
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if (outfile && outfp) fclose(outfp);
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if (puboutfile && puboutfp) fclose(puboutfp);
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return ret;
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}
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