mirror of
https://github.com/guanzhi/GmSSL.git
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259 lines
6.4 KiB
C
259 lines
6.4 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 <stdlib.h>
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#include <string.h>
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#include <gmssl/mem.h>
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#include <gmssl/hex.h>
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#include <gmssl/sm2.h>
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#include <gmssl/sm3.h>
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#include <gmssl/skf.h>
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#define OP_NONE 0
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#define OP_DEVINFO 1
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#define OP_EXPORTPUBKEY 2
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#define OP_SIGN 3
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#define OP_RAND 4
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static void print_usage(FILE *fp, const char *prog)
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{
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fprintf(fp, "usage:\n");
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fprintf(fp, " %s -lib so_path -dev str -devinfo\n", prog);
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fprintf(fp, " %s -lib so_path -dev str -app str [-pass str] -container str -exportpubkey [-out file]\n", prog);
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fprintf(fp, " %s -lib so_path -dev str -app str [-pass str] -container str -sign [-in file] [-out file]\n", prog);
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fprintf(fp, " %s -lib so_path -dev str -rand num [-out file]\n", prog);
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}
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int skfutil_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 *lib = NULL;
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int op = 0;
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char *devname = NULL;
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char *authkeystr = NULL;
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char *appname = NULL;
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char *container_name = NULL;
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char *pass = NULL;
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char *id = SM2_DEFAULT_ID;
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int num = 0;
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char *infile = NULL;
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char *outfile = NULL;
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FILE *infp = stdin;
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FILE *outfp = stdout;
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unsigned char buf[4096];
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unsigned int ulen;
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int len;
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uint8_t authkey[16];
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size_t authkeylen;
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SKF_DEVICE dev;
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SKF_KEY key;
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int dev_opened = 0;
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int key_opened = 0;
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memset(&dev, 0, sizeof(dev));
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memset(&key, 0, sizeof(key));
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argc--;
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argv++;
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if (argc < 1) {
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print_usage(stderr, prog);
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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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print_usage(stdout, prog);
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goto end;
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} else if (!strcmp(*argv, "-lib")) {
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if (--argc < 1) goto bad;
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lib = *(++argv);
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} else if (!strcmp(*argv, "-lib")) {
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if (--argc < 1) goto bad;
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devname = *(++argv);
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} else if (!strcmp(*argv, "-devinfo")) {
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op = OP_DEVINFO;
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} else if (!strcmp(*argv, "-dev")) {
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if (--argc < 1) goto bad;
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devname = *(++argv);
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} else if (!strcmp(*argv, "-authkey")) {
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if (--argc < 1) goto bad;
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authkeystr = *(++argv);
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if (strlen(authkeystr) != 32) {
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fprintf(stderr, "%s: invalid authkey length\n", prog);
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goto end;
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}
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hex_to_bytes(authkeystr, strlen(authkeystr), authkey, &authkeylen);
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} else if (!strcmp(*argv, "-exportpubkey")) {
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op = OP_EXPORTPUBKEY;
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} else if (!strcmp(*argv, "-sign")) {
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op = OP_SIGN;
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} else if (!strcmp(*argv, "-app")) {
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if (--argc < 1) goto bad;
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appname = *(++argv);
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} else if (!strcmp(*argv, "-container")) {
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if (--argc < 1) goto bad;
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container_name = *(++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, "-rand")) {
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if (--argc < 1) goto bad;
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len = atoi(*(++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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if (!(infp = fopen(infile, "r"))) {
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fprintf(stderr, "%s: open '%s' failure : %s\n", prog, infile, strerror(errno));
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goto end;
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}
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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, "w"))) {
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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 (!lib) {
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fprintf(stderr, "%s: option '-lib' required\n", prog);
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goto end;
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}
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if (skf_load_library(lib, NULL) != 1) {
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fprintf(stderr, "%s: load library failure\n", prog);
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goto end;
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}
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if (!op) {
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fprintf(stderr, "%s: option of (-devinfo|-exportpubkey|-sign|-rand) required\n", prog);
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goto end;
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}
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if (!devname) {
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fprintf(stderr, "%s: option '-dev' required\n", prog);
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goto end;
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}
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if (op == OP_DEVINFO) {
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skf_print_device_info(stdout, 0, 0, devname);
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ret = 0;
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goto end;
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}
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if (skf_open_device(&dev, devname, authkey) != 1) {
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fprintf(stderr, "%s: open device failure\n", prog);
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goto end;
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}
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dev_opened = 1;
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if (op == OP_RAND) {
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if (skf_rand_bytes(&dev, buf, len) != 1) {
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fprintf(stderr, "%s: inner error\n", prog);
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goto end;
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}
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if (fwrite(buf, 1, len, outfp) != len) {
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fprintf(stderr, "%s: output failure : %s\n", prog, strerror(errno));
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goto end;
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}
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ret = 0;
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goto end;
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}
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if (!appname) {
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fprintf(stderr, "%s: option '-app' required\n", prog);
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goto end;
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}
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if (!container_name) {
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fprintf(stderr, "%s: option '-container' required\n", prog);
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goto end;
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}
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if (!pass) {
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fprintf(stderr, "%s: option '-pass' required\n", prog);
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goto end;
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}
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if (op == OP_EXPORTPUBKEY) {
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if (skf_load_sign_key(&dev, appname, pass, container_name, &key) != 1) {
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fprintf(stderr, "%s: load sign key failed\n", prog);
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goto end;
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}
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if (sm2_public_key_info_to_pem(&(key.public_key), outfp) != 1) {
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fprintf(stderr, "%s: output public key PEM failure\n", prog);
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goto end;
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}
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ret = 0;
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goto end;
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}
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if (op == OP_SIGN) {
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SM3_CTX sm3_ctx;
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uint8_t dgst[32];
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uint8_t sig[SM2_MAX_SIGNATURE_SIZE];
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size_t siglen;
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if (skf_load_sign_key(&dev, appname, pass, container_name, &key) != 1) {
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fprintf(stderr, "%s: load sign key failed\n", prog);
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goto end;
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}
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key_opened = 1;
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sm3_init(&sm3_ctx);
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sm2_compute_z(dgst, &(key.public_key.public_key), id, strlen(id));
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sm3_update(&sm3_ctx, dgst, sizeof(dgst));
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while ((len = fread(buf, 1, sizeof(buf), infp)) > 0) {
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sm3_update(&sm3_ctx, buf, len);
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}
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sm3_finish(&sm3_ctx, dgst);
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if ((ret = skf_sign(&key, dgst, sig, &siglen)) != 1) {
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fprintf(stderr, "%s: inner error\n", prog);
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goto end;
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}
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ret = 0;
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goto end;
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} else {
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fprintf(stderr, "%s: this should not happen\n", prog);
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goto end;
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}
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end:
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gmssl_secure_clear(buf, sizeof(buf));
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if (key_opened) skf_release_key(&key);
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if (dev_opened) skf_close_device(&dev);
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if (lib) skf_unload_library();
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if (infile && infp) fclose(infp);
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if (outfile && outfp) fclose(outfp);
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return ret;
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}
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