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This commit is contained in:
Zhi Guan
2021-09-10 11:29:16 +08:00
parent ae001fbf15
commit bcad2eb8dd
175 changed files with 5701 additions and 8583 deletions
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149
tools/sm2decrypt.c
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@@ -1,55 +1,22 @@
/*
* Copyright (c) 2021 - 2021 The GmSSL Project. All rights reserved.
/*
* Copyright 2014-2021 The GmSSL Project Authors. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* http://www.apache.org/licenses/LICENSE-2.0
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the GmSSL Project.
* (http://gmssl.org/)"
*
* 4. The name "GmSSL Project" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact
* guanzhi1980@gmail.com.
*
* 5. Products derived from this software may not be called "GmSSL"
* nor may "GmSSL" appear in their names without prior written
* permission of the GmSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the GmSSL Project
* (http://gmssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <gmssl/hex.h>
#include <gmssl/sm2.h>
#include <gmssl/pem.h>
@@ -57,37 +24,58 @@
#include <gmssl/error.h>
#ifndef WIN32
#include <pwd.h>
#include <unistd.h>
#endif
int main(int argc, char **argv)
{
char *prog = argv[0];
const char *keyfile = NULL;
char *keyfile = NULL;
char *pass = NULL;
char *infile = NULL;
char *outfile = NULL;
FILE *keyfp = NULL;
const char *pass = NULL;
FILE *infp = stdin;
FILE *outfp = stdout;
SM2_KEY key;
char hexbuf[SM2_MAX_CIPHERTEXT_SIZE * 2];
uint8_t inbuf[SM2_MAX_CIPHERTEXT_SIZE * 2];
uint8_t inbuf[SM2_MAX_CIPHERTEXT_SIZE];
uint8_t outbuf[SM2_MAX_CIPHERTEXT_SIZE];
size_t hexlen, inlen, outlen;
if (argc < 2) {
bad:
fprintf(stderr, "%s : error options\n", prog);
help:
fprintf(stderr, "usage: %s -key key.pem [-id str] < file\n", prog);
return 1;
}
size_t inlen, outlen;
argc--;
argv++;
while (argc > 1) {
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
help:
fprintf(stderr, "usage: %s -key pem [-pass password] [-in file] [-out file]\n", prog);
goto help;
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) goto bad;
keyfile = *(++argv);
} else if (!strcmp(*argv, "-pass")) {
if (--argc < 1) goto bad;
pass = *(++argv);
} else if (!strcmp(*argv, "-in")) {
if (--argc < 1) goto bad;
infile = *(++argv);
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) goto bad;
outfile = *(++argv);
} else {
fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv);
goto help;
}
argc--;
argv++;
}
@@ -100,24 +88,59 @@ help:
error_print();
return -1;
}
pass = getpass("Encryption Password : ");
if (!pass) {
#ifndef WIN32
pass = getpass("Encryption Password : ");
#else
fprintf(stderr, "%s: '-pass' option required\n", prog);
#endif
}
if (infile) {
if (!(infp = fopen(infile, "rb"))) {
error_print();
return -1;
}
}
if (outfile) {
if (!(outfp = fopen(outfile, "wb"))) {
error_print();
return -1;
}
}
if (sm2_enced_private_key_info_from_pem(&key, pass, keyfp) != 1) {
error_puts("private key decryption failure");
return -1;
}
if ((hexlen = fread(hexbuf, 1, sizeof(hexbuf), stdin)) <= 0) {
if ((inlen = fread(inbuf, 1, sizeof(inbuf), infp)) <= 0) {
error_print();
return -1;
}
if (hex2bin(hexbuf, hexlen, inbuf) != 1) {
if (sm2_decrypt(&key, inbuf, inlen, outbuf, &outlen) != 1) {
error_print();
return -1;
}
if (sm2_decrypt(&key, inbuf, hexlen/2, outbuf, &outlen) != 1) {
error_print_msg("outlen = %zu\n", outlen);
if (outlen != fwrite(outbuf, 1, outlen, outfp)) {
error_print();
return -1;
}
fwrite(outbuf, 1, outlen, stdout);
memset(&key, 0, sizeof(SM2_KEY));
// FIXME: 清空所有缓冲区
if (infile) fclose(infp);
if (outfile) fclose(outfp);
return 0;
bad:
fprintf(stderr, "%s: '%s' option value required\n", prog, *argv);
return -1;
}