mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-05-06 16:36:16 +08:00
@@ -1,5 +1,5 @@
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/*
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* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
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* Copyright 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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@@ -7,112 +7,111 @@
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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 <string.h>
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#include <stdlib.h>
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#include <gmssl/mem.h>
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#include <gmssl/sm9.h>
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#include <gmssl/error.h>
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static const char *options = "[-in file] -key file -pass str -id str [-out file]";
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int sm9decrypt_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 *infile = NULL;
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char *keyfile = NULL;
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char *pass = NULL;
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char *id = 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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SM9_ENC_KEY key;
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uint8_t inbuf[SM9_MAX_CIPHERTEXT_SIZE];
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uint8_t outbuf[SM9_MAX_CIPHERTEXT_SIZE];
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size_t inlen, outlen;
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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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fprintf(stdout, "usage: %s %s\n", prog, options);
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return 0;
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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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if (!(keyfp = fopen(keyfile, "r"))) {
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error_print();
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goto end;
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}
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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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if (!(infp = fopen(infile, "r"))) {
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error_print();
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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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error_print();
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goto end;
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}
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} else {
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bad:
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fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv);
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return 1;
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}
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argc--;
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argv++;
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}
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if (!keyfile || !pass || !id) {
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error_print();
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goto end;
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}
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if (sm9_enc_key_info_decrypt_from_pem(&key, pass, keyfp) != 1) {
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error_print();
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goto end;
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}
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if ((inlen = fread(inbuf, 1, sizeof(inbuf), infp)) <= 0) {
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error_print();
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goto end;
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}
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if (sm9_decrypt(&key, id, strlen(id), inbuf, inlen, outbuf, &outlen) != 1) {
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error_print();
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goto end;
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}
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if (outlen != fwrite(outbuf, 1, outlen, outfp)) {
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error_print();
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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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gmssl_secure_clear(outbuf, sizeof(outbuf));
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if (keyfp) fclose(keyfp);
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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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#include <stdio.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/sm9.h>
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#include <gmssl/error.h>
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static const char *options = "[-in file] -key file -pass str -id str [-out file]";
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int sm9decrypt_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 *infile = NULL;
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char *keyfile = NULL;
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char *pass = NULL;
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char *id = 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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SM9_ENC_KEY key;
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uint8_t inbuf[SM9_MAX_CIPHERTEXT_SIZE];
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uint8_t outbuf[SM9_MAX_CIPHERTEXT_SIZE];
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size_t inlen, outlen;
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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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fprintf(stdout, "usage: %s %s\n", prog, options);
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return 0;
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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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if (!(keyfp = fopen(keyfile, "r"))) {
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error_print();
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goto end;
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}
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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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if (!(infp = fopen(infile, "r"))) {
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error_print();
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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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error_print();
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goto end;
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}
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} else {
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bad:
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fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv);
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return 1;
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}
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argc--;
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argv++;
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}
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if (!keyfile || !pass || !id) {
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error_print();
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goto end;
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}
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if (sm9_enc_key_info_decrypt_from_pem(&key, pass, keyfp) != 1) {
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error_print();
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goto end;
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}
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if ((inlen = fread(inbuf, 1, sizeof(inbuf), infp)) <= 0) {
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error_print();
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goto end;
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}
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if (sm9_decrypt(&key, id, strlen(id), inbuf, inlen, outbuf, &outlen) != 1) {
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error_print();
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goto end;
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}
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if (outlen != fwrite(outbuf, 1, outlen, outfp)) {
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error_print();
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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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gmssl_secure_clear(outbuf, sizeof(outbuf));
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if (keyfp) fclose(keyfp);
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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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