mirror of
https://github.com/guanzhi/GmSSL.git
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112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
/*
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* Copyright 2014-2021 The GmSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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 <unistd.h>
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#include <gmssl/hex.h>
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#include <gmssl/sm2.h>
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#include <gmssl/pem.h>
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#include <gmssl/pkcs8.h>
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#include <gmssl/x509.h>
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#include <gmssl/error.h>
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int main(int argc, char **argv)
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{
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int ret;
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char *prog = argv[0];
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const char *keyfile = NULL;
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const char *certfile = NULL;
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FILE *keyfp = NULL;
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FILE *certfp = NULL;
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X509_CERTIFICATE cert;
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SM2_KEY key;
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uint8_t inbuf[SM2_MAX_PLAINTEXT_SIZE];
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ssize_t inlen;
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uint8_t outbuf[SM2_MAX_CIPHERTEXT_SIZE];
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size_t outlen = sizeof(outbuf);
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if (argc < 2) {
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bad:
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fprintf(stderr, "%s : error options\n", prog);
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help:
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fprintf(stderr, "usage:\n");
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fprintf(stderr, " %s -pubkey key.pem < file\n", prog);
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fprintf(stderr, " %s -cert cert.pem < file\n", prog);
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fprintf(stderr, "\n");
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return 1;
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}
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argc--;
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argv++;
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while (argc > 1) {
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if (!strcmp(*argv, "-help")) {
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goto help;
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} else if (!strcmp(*argv, "-pubkey")) {
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if (--argc < 1) goto bad;
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keyfile = *(++argv);
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} else if (!strcmp(*argv, "-cert")) {
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if (--argc < 1) goto bad;
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certfile = *(++argv);
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} else {
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goto help;
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}
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argc--;
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argv++;
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}
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if ((!keyfile && !certfile) || (keyfile && certfile)) {
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error_print();
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return -1;
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}
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if (keyfile) {
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if (!(keyfp = fopen(keyfile, "r"))) {
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error_print();
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return -1;
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}
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if (sm2_public_key_info_from_pem(&key, keyfp) != 1) {
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error_print();
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return -1;
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}
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} else {
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if (!(certfp = fopen(certfile, "r"))) {
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error_print();
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return -1;
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}
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if (x509_certificate_from_pem(&cert, certfp) != 1) {
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error_print();
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return -1;
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}
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if (x509_certificate_get_public_key(&cert, &key) != 1) {
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error_print();
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return -1;
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}
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}
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if ((inlen = read(STDIN_FILENO, inbuf, sizeof(inbuf))) <= 0) {
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error_print();
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return -1;
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}
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if (sm2_encrypt(&key, inbuf, inlen, outbuf, &outlen) != 1) {
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error_print();
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return -1;
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}
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format_bytes(stdout, 0, 0, "", outbuf, outlen);
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return 1;
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}
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