/* * 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 #include #include #include #include #include #include #include /* 302 typedef struct { 303 uint8_t *certs; 304 size_t certs_len; 305 SM2_KEY *sign_key; 306 } CMS_CERTS_AND_KEY; 输出长度主要由输入长度和 */ static const char *options = "-key file -pass str -cert file -in file [-out file]"; int cmssign_main(int argc, char **argv) { int ret = 1; char *prog = argv[0]; char *keyfile = NULL; char *pass = NULL; char *certfile = NULL; char *infile = NULL; char *outfile = NULL; FILE *keyfp = NULL; FILE *certfp = NULL; FILE *infp = NULL; FILE *outfp = stdout; SM2_KEY key; uint8_t cert[1024]; size_t certlen; struct stat st; uint8_t *in = NULL; size_t inlen; uint8_t *cms = NULL; size_t cmslen, cms_maxlen; CMS_CERTS_AND_KEY cert_and_key; int content_type; uint8_t *content = NULL; size_t content_len; const uint8_t *rcpt_infos; size_t rcpt_infos_len; const uint8_t *shared_info1; const uint8_t *shared_info2; size_t shared_info1_len, shared_info2_len; argc--; argv++; if (argc < 1) { fprintf(stderr, "usage: %s %s\n", prog, options); return 1; } while (argc > 1) { if (!strcmp(*argv, "-help")) { printf("usage: %s %s\n", prog, options); ret = 0; goto end; } else if (!strcmp(*argv, "-key")) { if (--argc < 1) goto bad; keyfile = *(++argv); if (!(keyfp = fopen(keyfile, "r"))) { fprintf(stderr, "%s: open '%s' failure : %s\n", prog, keyfile, strerror(errno)); goto end; } } else if (!strcmp(*argv, "-pass")) { if (--argc < 1) goto bad; pass = *(++argv); } else if (!strcmp(*argv, "-cert")) { if (--argc < 1) goto bad; certfile = *(++argv); if (!(certfp = fopen(certfile, "r"))) { fprintf(stderr, "%s: open '%s' failure : %s\n", prog, certfile, strerror(errno)); goto end; } } else if (!strcmp(*argv, "-in")) { if (--argc < 1) goto bad; infile = *(++argv); if (!(infp = fopen(infile, "r"))) { fprintf(stderr, "%s: open '%s' failure : %s\n", prog, infile, strerror(errno)); goto end; } } else if (!strcmp(*argv, "-out")) { if (--argc < 1) goto bad; outfile = *(++argv); if (!(outfp = fopen(outfile, "w"))) { fprintf(stderr, "%s: open '%s' failure : %s\n", prog, outfile, strerror(errno)); goto end; } } else { fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv); goto end; bad: fprintf(stderr, "%s: '%s' option value missing\n", prog, *argv); goto end; } argc--; argv++; } if (!keyfile) { fprintf(stderr, "%s: '-key' option required\n", prog); goto end; } if (!pass) { fprintf(stderr, "%s: '-pass' option required\n", prog); goto end; } if (!certfile) { fprintf(stderr, "%s: '-cert' option required\n", prog); goto end; } if (!infile) { fprintf(stderr, "%s: '-in' option required\n", prog); goto end; } if (sm2_private_key_info_decrypt_from_pem(&key, pass, keyfp) != 1) { fprintf(stderr, "%s: private key decryption failure\n", prog); goto end; } if (x509_cert_from_pem(cert, &certlen, sizeof(cert), certfp) != 1) { fprintf(stderr, "%s: load certificate failure\n", prog); goto end; } { SM2_KEY public_key; if (x509_cert_get_subject_public_key(cert, certlen, &public_key) != 1) { fprintf(stderr, "%s: parse certficate failure\n", prog); goto end; } if (sm2_public_key_equ(&key, &public_key) != 1) { fprintf(stderr, "%s: key and cert are not match!\n", prog); goto end; } } cert_and_key.certs = cert; cert_and_key.certs_len = certlen; cert_and_key.sign_key = &key; if (fstat(fileno(infp), &st) < 0) { fprintf(stderr, "%s: access file error : %s\n", prog, strerror(errno)); goto end; } if ((inlen = st.st_size) <= 0) { fprintf(stderr, "%s: invalid input length\n", prog); goto end; } if (!(in = malloc(inlen))) { fprintf(stderr, "%s: malloc failure\n", prog); goto end; } if (fread(in, 1, inlen, infp) != inlen) { fprintf(stderr, "%s: read file error : %s\n", prog, strerror(errno)); goto end; } cms_maxlen = (inlen * 4)/3 + 4096; // 主要由SignerInfos，其中的DN长度决定 if (!(cms = malloc(cms_maxlen))) { fprintf(stderr, "%s: malloc failure\n", prog); goto end; } if (cms_sign(cms, &cmslen, &cert_and_key, 1, OID_cms_data, in, inlen, NULL, 0) != 1) { fprintf(stderr, "%s: sign failure\n", prog); goto end; } if (cms_to_pem(cms, cmslen, outfp) != 1) { fprintf(stderr, "%s: output failure\n", prog); goto end; } ret = 0; end: if (infile && infp) fclose(infp); if (outfile && outfp) fclose(outfp); if (keyfile && keyfp) fclose(keyfp); if (cms) free(cms); if (in) free(in); return ret; }