mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-05-06 16:36:16 +08:00
124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/*
|
|
* Copyright (c) 2021 - 2021 The GmSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <gmssl/hex.h>
|
|
#include <gmssl/sm2.h>
|
|
#include <gmssl/pem.h>
|
|
#include <gmssl/pkcs8.h>
|
|
#include <gmssl/error.h>
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
char *prog = argv[0];
|
|
const char *keyfile = NULL;
|
|
FILE *keyfp = NULL;
|
|
const char *pass = NULL;
|
|
SM2_KEY key;
|
|
char hexbuf[SM2_MAX_CIPHERTEXT_SIZE * 2];
|
|
uint8_t inbuf[SM2_MAX_CIPHERTEXT_SIZE * 2];
|
|
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;
|
|
}
|
|
|
|
argc--;
|
|
argv++;
|
|
while (argc > 1) {
|
|
if (!strcmp(*argv, "-help")) {
|
|
goto help;
|
|
} else if (!strcmp(*argv, "-key")) {
|
|
if (--argc < 1) goto bad;
|
|
keyfile = *(++argv);
|
|
} else {
|
|
goto help;
|
|
}
|
|
argc--;
|
|
argv++;
|
|
}
|
|
|
|
if (!keyfile) {
|
|
error_print();
|
|
return -1;
|
|
}
|
|
if (!(keyfp = fopen(keyfile, "r"))) {
|
|
error_print();
|
|
return -1;
|
|
}
|
|
pass = getpass("Encryption Password : ");
|
|
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) {
|
|
error_print();
|
|
return -1;
|
|
}
|
|
if (hex2bin(hexbuf, hexlen, inbuf) != 1) {
|
|
error_print();
|
|
return -1;
|
|
}
|
|
if (sm2_decrypt(&key, inbuf, hexlen/2, outbuf, &outlen) != 1) {
|
|
error_print();
|
|
return -1;
|
|
}
|
|
fwrite(outbuf, 1, outlen, stdout);
|
|
return 0;
|
|
|
|
}
|