mirror of
https://github.com/guanzhi/GmSSL.git
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130 lines
4.0 KiB
C
130 lines
4.0 KiB
C
/* ====================================================================
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* Copyright (c) 2016 - 2018 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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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <libgen.h>
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#include <openssl/sm9.h>
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#include <openssl/err.h>
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#include <openssl/objects.h>
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int main(int argc, char **argv)
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{
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int ret = -1;
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char *prog = basename(argv[0]);
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EVP_MD_CTX *ctx = NULL;
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FILE *msg_fp = NULL;
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FILE *sk_fp = NULL;
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FILE *sig_fp = NULL;
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SM9PrivateKey *sk = NULL;
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SM9Signature *sig = NULL;
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unsigned char buf[2048];
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int len;
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if (argc != 4) {
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printf("usage: %s <msg-file> <sk-file> <sig-file>\n", prog);
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return 0;
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}
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if (!(ctx = EVP_MD_CTX_new())) {
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ERR_print_errors_fp(stderr);
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goto end;
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}
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if (!SM9_SignInit(ctx, EVP_sm3(), NULL)) {
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ERR_print_errors_fp(stderr);
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goto end;
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}
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if (!(msg_fp = fopen(argv[1], "r"))) {
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fprintf(stderr, "%s: can not open file '%s'\n", prog, argv[1]);
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goto end;
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}
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while ((len = fread(buf, 1, sizeof(buf), msg_fp)) > 0) {
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if (!SM9_SignUpdate(ctx, buf, len)) {
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ERR_print_errors_fp(stderr);
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goto end;
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}
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}
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if (!(sk_fp = fopen(argv[2], "r"))) {
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fprintf(stderr, "%s: can not open file '%s'\n", prog, argv[2]);
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goto end;
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}
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if (!(sk = d2i_SM9PrivateKey_fp(sk_fp, NULL))) {
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ERR_print_errors_fp(stderr);
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fprintf(stderr, "%s: parse private key failed\n", prog);
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goto end;
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}
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if (!(sig = SM9_SignFinal(ctx, sk))) {
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ERR_print_errors_fp(stderr);
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fprintf(stderr, "%s: failed to generate siganture\n", prog);
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goto end;
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}
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if (!(sig_fp = fopen(argv[3], "w"))) {
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fprintf(stderr, "%s: can not open file '%s'\n", prog, argv[3]);
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goto end;
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}
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if (!i2d_SM9Signature_fp(sig_fp, sig)) {
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ERR_print_errors_fp(stderr);
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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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EVP_MD_CTX_free(ctx);
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fclose(msg_fp);
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fclose(sk_fp);
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fclose(sig_fp);
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SM9PrivateKey_free(sk);
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SM9Signature_free(sig);
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return ret;
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}
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