mirror of
https://github.com/guanzhi/GmSSL.git
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127 lines
3.7 KiB
C
127 lines
3.7 KiB
C
/*
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* Copyright (c) 2021 - 2021 The GmSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the GmSSL Project.
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* (http://gmssl.org/)"
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*
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* 4. The name "GmSSL Project" must not be used to endorse or promote
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* products derived from this software without prior written
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* permission. For written permission, please contact
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* guanzhi1980@gmail.com.
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*
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* 5. Products derived from this software may not be called "GmSSL"
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* nor may "GmSSL" appear in their names without prior written
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* permission of the GmSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the GmSSL Project
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* (http://gmssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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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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// 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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const char *id = SM2_DEFAULT_ID;
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const char *keyfile = NULL;
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FILE *keyfp = NULL;
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const char *pass = NULL;
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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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if (argc < 2) {
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bad:
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fprintf(stderr, "%s : error options\n", prog);
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help:
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fprintf(stderr, "usage: %s -key key.pem [-id str] < file\n", prog);
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return 1;
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}
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argc--;
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argv++;
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while (argc > 1) {
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if (!strcmp(*argv, "-help")) {
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goto help;
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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, "-key")) {
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if (--argc < 1) goto bad;
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keyfile = *(++argv);
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} else {
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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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return -1;
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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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pass = getpass("Encryption Password : ");
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if (sm2_enced_private_key_info_from_pem(&key, pass, keyfp) != 1) {
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error_print("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 = read(STDIN_FILENO, buf, sizeof(buf))) > 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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format_bytes(stdout, 0, 0, "", sig, siglen);
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return 0;
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}
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