|
| 1 | +/* |
| 2 | + * Copyright 2014-2023 The GmSSL Project. All Rights Reserved. |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the License); you may |
| 5 | + * not use this file except in compliance with the License. |
| 6 | + * |
| 7 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | + */ |
| 9 | + |
| 10 | +#include <stdio.h> |
| 11 | +#include <errno.h> |
| 12 | +#include <string.h> |
| 13 | +#include <stdlib.h> |
| 14 | +#include <gmssl/mem.h> |
| 15 | +#include <gmssl/rand.h> |
| 16 | +#include <gmssl/pkcs8.h> |
| 17 | +#include <gmssl/error.h> |
| 18 | +#include <gmssl/hex.h> |
| 19 | +#include <gmssl/x509.h> |
| 20 | +#include <gmssl/x509_ext.h> |
| 21 | + |
| 22 | + |
| 23 | + |
| 24 | + |
| 25 | +static int ext_key_usage_set(int *usages, const char *usage_name) |
| 26 | +{ |
| 27 | + int flag; |
| 28 | + if (x509_key_usage_from_name(&flag, usage_name) != 1) { |
| 29 | + error_print(); |
| 30 | + return -1; |
| 31 | + } |
| 32 | + *usages |= flag; |
| 33 | + return 1; |
| 34 | +} |
| 35 | + |
| 36 | +int main(int argc, char *argv[]) |
| 37 | +{ |
| 38 | + int ret = 1; |
| 39 | + char *prog = argv[0]; |
| 40 | + char *str; |
| 41 | + |
| 42 | + // SerialNumber |
| 43 | + uint8_t serial[20]; |
| 44 | + int serial_len = 12; |
| 45 | + |
| 46 | + // Issuer, Subject |
| 47 | + uint8_t name[256]; |
| 48 | + size_t namelen; |
| 49 | + char *country = "CN"; |
| 50 | + char *state = "Beijing"; |
| 51 | + char *locality = "Haidian"; |
| 52 | + char *org = "PKU"; |
| 53 | + char *org_unit = "CS"; |
| 54 | + char *common_name = "ROOTCA"; |
| 55 | + |
| 56 | + // Validity |
| 57 | + int days = 3650; |
| 58 | + time_t not_before; |
| 59 | + time_t not_after; |
| 60 | + |
| 61 | + // Private Key |
| 62 | + char *keyfile="rootcakey.pem"; //可由/demos/scripts/cert_gen.sh生成 |
| 63 | + FILE *keyfp = NULL; |
| 64 | + char *pass = "1234"; |
| 65 | + SM2_KEY sm2_key; |
| 66 | + char signer_id[SM2_MAX_ID_LENGTH + 1] = {0}; |
| 67 | + size_t signer_id_len = 0; |
| 68 | + |
| 69 | + uint8_t *cert = NULL; |
| 70 | + size_t certlen = 0; |
| 71 | + FILE *outfp = stdout; |
| 72 | + char *outfile = "rootcacert.pem"; |
| 73 | + uint8_t *p; |
| 74 | + |
| 75 | + // Extensions |
| 76 | + uint8_t exts[4096]; |
| 77 | + size_t extslen = 0; |
| 78 | + |
| 79 | + // AuthorityKeyIdentifier |
| 80 | + int gen_authority_key_id = 0; |
| 81 | + |
| 82 | + // SubjectKeyIdentifier |
| 83 | + int gen_subject_key_id = 0; |
| 84 | + |
| 85 | + // KeyUsage |
| 86 | + int key_usage = 0; |
| 87 | + char *keyusage1="keyCertSign"; |
| 88 | + char *keyusage2="cRLSign"; |
| 89 | + |
| 90 | + // SubjectAltName |
| 91 | + uint8_t subject_alt_name[2048]; |
| 92 | + size_t subject_alt_name_len = 0; |
| 93 | + |
| 94 | + // IssuerAltName |
| 95 | + uint8_t issuer_alt_name[512]; |
| 96 | + size_t issuer_alt_name_len = 0; |
| 97 | + |
| 98 | + // BasicConstraints |
| 99 | + int ca = 1; |
| 100 | + int path_len_constraint = 6; |
| 101 | + |
| 102 | + // ExtKeyUsageSyntax |
| 103 | + int ext_key_usages[12]; |
| 104 | + size_t ext_key_usages_cnt = 0; |
| 105 | + |
| 106 | + // CRLDistributionPoints |
| 107 | + char *crl_http_uri = "http://pku.edu.cn/ca.crl"; |
| 108 | + char *crl_ldap_uri = NULL; |
| 109 | + |
| 110 | + // InhibitAnyPolicy |
| 111 | + int inhibit_any_policy = -1; |
| 112 | + |
| 113 | + // FreshestCRL |
| 114 | + char *ca_issuers_uri = "http://pku.edu.cn/ca.crt"; |
| 115 | + char *ocsp_uri = "http://ocsp.pku.edu.cn"; |
| 116 | + |
| 117 | + |
| 118 | + if (!(keyfp = fopen(keyfile, "rb"))) { |
| 119 | + fprintf(stderr, "%s: open '%s' failure : %s\n", prog, keyfile, strerror(errno)); |
| 120 | + goto end; |
| 121 | + } |
| 122 | + |
| 123 | + |
| 124 | + if (ext_key_usage_set(&key_usage, keyusage1) != 1) { |
| 125 | + fprintf(stderr, "%s: invalid `-key_usage` value '%s'\n", prog, keyusage1); |
| 126 | + goto end; |
| 127 | + } |
| 128 | + |
| 129 | + if (ext_key_usage_set(&key_usage, keyusage2) != 1) { |
| 130 | + fprintf(stderr, "%s: invalid `-key_usage` value '%s'\n", prog, keyusage2); |
| 131 | + goto end; |
| 132 | + } |
| 133 | + |
| 134 | + |
| 135 | + if (!(outfp = fopen(outfile, "wb"))) { |
| 136 | + fprintf(stderr, "%s: open '%s' failure : %s\n", prog, outfile, strerror(errno)); |
| 137 | + goto end; |
| 138 | + } |
| 139 | + |
| 140 | + if (!signer_id_len) { |
| 141 | + strcpy(signer_id, SM2_DEFAULT_ID); |
| 142 | + signer_id_len = strlen(SM2_DEFAULT_ID); |
| 143 | + } |
| 144 | + |
| 145 | + |
| 146 | + |
| 147 | + if (sm2_private_key_info_decrypt_from_pem(&sm2_key, pass, keyfp) != 1) { |
| 148 | + fprintf(stderr, "%s: load private key failed\n", prog); |
| 149 | + goto end; |
| 150 | + } |
| 151 | + |
| 152 | + |
| 153 | + |
| 154 | + |
| 155 | + // Issuer, Subject |
| 156 | + if (x509_name_set(name, &namelen, sizeof(name), country, state, locality, org, org_unit, common_name) != 1) { |
| 157 | + fprintf(stderr, "%s: set Issuer/Subject Name error\n", prog); |
| 158 | + goto end; |
| 159 | + } |
| 160 | + |
| 161 | + // Validity |
| 162 | + time(¬_before); |
| 163 | + if (x509_validity_add_days(¬_after, not_before, days) != 1) { |
| 164 | + fprintf(stderr, "%s: set Validity failure\n", prog); |
| 165 | + goto end; |
| 166 | + } |
| 167 | + |
| 168 | + |
| 169 | + if (key_usage) { |
| 170 | + if (x509_exts_add_key_usage(exts, &extslen, sizeof(exts), X509_critical, key_usage) != 1) { |
| 171 | + fprintf(stderr, "%s: set KeyUsage extension failure\n", prog); |
| 172 | + goto end; |
| 173 | + } |
| 174 | + } |
| 175 | + |
| 176 | + |
| 177 | + // no SubjectDirectoryAttributes |
| 178 | + if (ca >= 0 || path_len_constraint >= 0) { |
| 179 | + if (x509_exts_add_basic_constraints(exts, &extslen, sizeof(exts), |
| 180 | + X509_critical, ca, path_len_constraint) != 1) { |
| 181 | + fprintf(stderr, "%s: set BasicConstraints extension failure\n", prog); |
| 182 | + goto end; |
| 183 | + } |
| 184 | + } |
| 185 | + // no NameConstraints |
| 186 | + // no PolicyConstraints |
| 187 | + |
| 188 | + if (crl_http_uri || crl_ldap_uri) { |
| 189 | + if (x509_exts_add_crl_distribution_points(exts, &extslen, sizeof(exts), |
| 190 | + -1, |
| 191 | + crl_http_uri, crl_http_uri ? strlen(crl_http_uri) : 0, |
| 192 | + crl_ldap_uri, crl_ldap_uri ? strlen(crl_ldap_uri) : 0) != 1) { |
| 193 | + fprintf(stderr, "%s: set CRLDistributionPoints extension failure\n", prog); |
| 194 | + return -1; |
| 195 | + } |
| 196 | + } |
| 197 | + |
| 198 | + |
| 199 | + if (ca_issuers_uri || ocsp_uri) { |
| 200 | + if (x509_exts_add_authority_info_access(exts, &extslen, sizeof(exts), 0, |
| 201 | + ca_issuers_uri, ca_issuers_uri ? strlen(ca_issuers_uri) : 0, |
| 202 | + ocsp_uri, ocsp_uri ? strlen(ocsp_uri) : 0) != 1) { |
| 203 | + fprintf(stderr, "%s: set AuthorityInfoAccess extension failure\n", prog); |
| 204 | + goto end; |
| 205 | + } |
| 206 | + } |
| 207 | + |
| 208 | + if (x509_cert_sign_to_der( |
| 209 | + X509_version_v3, |
| 210 | + serial, serial_len, |
| 211 | + OID_sm2sign_with_sm3, |
| 212 | + name, namelen, |
| 213 | + not_before, not_after, |
| 214 | + name, namelen, |
| 215 | + &sm2_key, |
| 216 | + NULL, 0, |
| 217 | + NULL, 0, |
| 218 | + exts, extslen, |
| 219 | + &sm2_key, signer_id, signer_id_len, |
| 220 | + NULL, &certlen) != 1) { |
| 221 | + fprintf(stderr, "%s: certificate generation failure\n", prog); |
| 222 | + goto end; |
| 223 | + } |
| 224 | + if (!(cert = malloc(certlen))) { |
| 225 | + fprintf(stderr, "%s: malloc failure\n", prog); |
| 226 | + goto end; |
| 227 | + } |
| 228 | + p = cert; |
| 229 | + certlen = 0; |
| 230 | + if (x509_cert_sign_to_der( |
| 231 | + X509_version_v3, |
| 232 | + serial, serial_len, |
| 233 | + OID_sm2sign_with_sm3, |
| 234 | + name, namelen, |
| 235 | + not_before, not_after, |
| 236 | + name, namelen, |
| 237 | + &sm2_key, |
| 238 | + NULL, 0, |
| 239 | + NULL, 0, |
| 240 | + exts, extslen, |
| 241 | + &sm2_key, signer_id, signer_id_len, |
| 242 | + &p, &certlen) != 1) { |
| 243 | + fprintf(stderr, "%s: certificate generation failure\n", prog); |
| 244 | + goto end; |
| 245 | + } |
| 246 | + if (x509_cert_to_pem(cert, certlen, outfp) != 1) { |
| 247 | + fprintf(stderr, "%s: output certificate failed\n", prog); |
| 248 | + goto end; |
| 249 | + } |
| 250 | + ret = 0; |
| 251 | + |
| 252 | +end: |
| 253 | + gmssl_secure_clear(&sm2_key, sizeof(SM2_KEY)); |
| 254 | + if (cert) free(cert); |
| 255 | + if (keyfp) fclose(keyfp); |
| 256 | + if (outfile && outfp) fclose(outfp); |
| 257 | + return ret; |
| 258 | +} |
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