1 /* 2 * Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <stdio.h> 11 #include <stdlib.h> 12 #include <string.h> 13 #include "apps.h" 14 #include "progs.h" 15 #include <openssl/pem.h> 16 #include <openssl/err.h> 17 #include <openssl/evp.h> 18 #include <openssl/pkcs12.h> 19 20 typedef enum OPTION_choice { 21 OPT_COMMON, 22 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT, 23 OPT_TOPK8, OPT_NOITER, OPT_NOCRYPT, 24 #ifndef OPENSSL_NO_SCRYPT 25 OPT_SCRYPT, OPT_SCRYPT_N, OPT_SCRYPT_R, OPT_SCRYPT_P, 26 #endif 27 OPT_V2, OPT_V1, OPT_V2PRF, OPT_ITER, OPT_PASSIN, OPT_PASSOUT, 28 OPT_TRADITIONAL, 29 OPT_R_ENUM, OPT_PROV_ENUM 30 } OPTION_CHOICE; 31 32 const OPTIONS pkcs8_options[] = { 33 OPT_SECTION("General"), 34 {"help", OPT_HELP, '-', "Display this summary"}, 35 #ifndef OPENSSL_NO_ENGINE 36 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, 37 #endif 38 {"v1", OPT_V1, 's', "Use PKCS#5 v1.5 and cipher"}, 39 {"v2", OPT_V2, 's', "Use PKCS#5 v2.0 and cipher"}, 40 {"v2prf", OPT_V2PRF, 's', "Set the PRF algorithm to use with PKCS#5 v2.0"}, 41 42 OPT_SECTION("Input"), 43 {"in", OPT_IN, '<', "Input file"}, 44 {"inform", OPT_INFORM, 'F', "Input format (DER or PEM)"}, 45 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, 46 {"nocrypt", OPT_NOCRYPT, '-', "Use or expect unencrypted private key"}, 47 48 OPT_SECTION("Output"), 49 {"out", OPT_OUT, '>', "Output file"}, 50 {"outform", OPT_OUTFORM, 'F', "Output format (DER or PEM)"}, 51 {"topk8", OPT_TOPK8, '-', "Output PKCS8 file"}, 52 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, 53 {"traditional", OPT_TRADITIONAL, '-', "use traditional format private key"}, 54 {"iter", OPT_ITER, 'p', "Specify the iteration count"}, 55 {"noiter", OPT_NOITER, '-', "Use 1 as iteration count"}, 56 57 #ifndef OPENSSL_NO_SCRYPT 58 OPT_SECTION("Scrypt"), 59 {"scrypt", OPT_SCRYPT, '-', "Use scrypt algorithm"}, 60 {"scrypt_N", OPT_SCRYPT_N, 's', "Set scrypt N parameter"}, 61 {"scrypt_r", OPT_SCRYPT_R, 's', "Set scrypt r parameter"}, 62 {"scrypt_p", OPT_SCRYPT_P, 's', "Set scrypt p parameter"}, 63 #endif 64 65 OPT_R_OPTIONS, 66 OPT_PROV_OPTIONS, 67 {NULL} 68 }; 69 70 int pkcs8_main(int argc, char **argv) 71 { 72 BIO *in = NULL, *out = NULL; 73 ENGINE *e = NULL; 74 EVP_PKEY *pkey = NULL; 75 PKCS8_PRIV_KEY_INFO *p8inf = NULL; 76 X509_SIG *p8 = NULL; 77 EVP_CIPHER *cipher = NULL; 78 char *infile = NULL, *outfile = NULL, *ciphername = NULL; 79 char *passinarg = NULL, *passoutarg = NULL, *prog; 80 #ifndef OPENSSL_NO_UI_CONSOLE 81 char pass[APP_PASS_LEN]; 82 #endif 83 char *passin = NULL, *passout = NULL, *p8pass = NULL; 84 OPTION_CHOICE o; 85 int nocrypt = 0, ret = 1, iter = PKCS12_DEFAULT_ITER; 86 int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, topk8 = 0, pbe_nid = -1; 87 int private = 0, traditional = 0; 88 #ifndef OPENSSL_NO_SCRYPT 89 long scrypt_N = 0, scrypt_r = 0, scrypt_p = 0; 90 #endif 91 92 prog = opt_init(argc, argv, pkcs8_options); 93 while ((o = opt_next()) != OPT_EOF) { 94 switch (o) { 95 case OPT_EOF: 96 case OPT_ERR: 97 opthelp: 98 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); 99 goto end; 100 case OPT_HELP: 101 opt_help(pkcs8_options); 102 ret = 0; 103 goto end; 104 case OPT_INFORM: 105 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) 106 goto opthelp; 107 break; 108 case OPT_IN: 109 infile = opt_arg(); 110 break; 111 case OPT_OUTFORM: 112 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) 113 goto opthelp; 114 break; 115 case OPT_OUT: 116 outfile = opt_arg(); 117 break; 118 case OPT_TOPK8: 119 topk8 = 1; 120 break; 121 case OPT_NOITER: 122 iter = 1; 123 break; 124 case OPT_NOCRYPT: 125 nocrypt = 1; 126 break; 127 case OPT_R_CASES: 128 if (!opt_rand(o)) 129 goto end; 130 break; 131 case OPT_PROV_CASES: 132 if (!opt_provider(o)) 133 goto end; 134 break; 135 case OPT_TRADITIONAL: 136 traditional = 1; 137 break; 138 case OPT_V2: 139 ciphername = opt_arg(); 140 break; 141 case OPT_V1: 142 pbe_nid = OBJ_txt2nid(opt_arg()); 143 if (pbe_nid == NID_undef) { 144 BIO_printf(bio_err, 145 "%s: Unknown PBE algorithm %s\n", prog, opt_arg()); 146 goto opthelp; 147 } 148 break; 149 case OPT_V2PRF: 150 pbe_nid = OBJ_txt2nid(opt_arg()); 151 if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) { 152 BIO_printf(bio_err, 153 "%s: Unknown PRF algorithm %s\n", prog, opt_arg()); 154 goto opthelp; 155 } 156 if (cipher == NULL) 157 cipher = (EVP_CIPHER *)EVP_aes_256_cbc(); 158 break; 159 case OPT_ITER: 160 iter = opt_int_arg(); 161 break; 162 case OPT_PASSIN: 163 passinarg = opt_arg(); 164 break; 165 case OPT_PASSOUT: 166 passoutarg = opt_arg(); 167 break; 168 case OPT_ENGINE: 169 e = setup_engine(opt_arg(), 0); 170 break; 171 #ifndef OPENSSL_NO_SCRYPT 172 case OPT_SCRYPT: 173 scrypt_N = 16384; 174 scrypt_r = 8; 175 scrypt_p = 1; 176 if (cipher == NULL) 177 cipher = (EVP_CIPHER *)EVP_aes_256_cbc(); 178 break; 179 case OPT_SCRYPT_N: 180 if (!opt_long(opt_arg(), &scrypt_N) || scrypt_N <= 0) 181 goto opthelp; 182 break; 183 case OPT_SCRYPT_R: 184 if (!opt_long(opt_arg(), &scrypt_r) || scrypt_r <= 0) 185 goto opthelp; 186 break; 187 case OPT_SCRYPT_P: 188 if (!opt_long(opt_arg(), &scrypt_p) || scrypt_p <= 0) 189 goto opthelp; 190 break; 191 #endif 192 } 193 } 194 195 /* No extra arguments. */ 196 argc = opt_num_rest(); 197 if (argc != 0) 198 goto opthelp; 199 200 private = 1; 201 if (!app_RAND_load()) 202 goto end; 203 204 if (ciphername != NULL) { 205 if (!opt_cipher(ciphername, &cipher)) 206 goto opthelp; 207 } 208 209 if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { 210 BIO_printf(bio_err, "Error getting passwords\n"); 211 goto end; 212 } 213 214 if ((pbe_nid == -1) && cipher == NULL) 215 cipher = (EVP_CIPHER *)EVP_aes_256_cbc(); 216 217 in = bio_open_default(infile, 'r', 218 informat == FORMAT_UNDEF ? FORMAT_PEM : informat); 219 if (in == NULL) 220 goto end; 221 out = bio_open_owner(outfile, outformat, private); 222 if (out == NULL) 223 goto end; 224 225 if (topk8) { 226 pkey = load_key(infile, informat, 1, passin, e, "key"); 227 if (pkey == NULL) 228 goto end; 229 if ((p8inf = EVP_PKEY2PKCS8(pkey)) == NULL) { 230 BIO_printf(bio_err, "Error converting key\n"); 231 ERR_print_errors(bio_err); 232 goto end; 233 } 234 if (nocrypt) { 235 assert(private); 236 if (outformat == FORMAT_PEM) { 237 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf); 238 } else if (outformat == FORMAT_ASN1) { 239 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf); 240 } else { 241 BIO_printf(bio_err, "Bad format specified for key\n"); 242 goto end; 243 } 244 } else { 245 X509_ALGOR *pbe; 246 if (cipher) { 247 #ifndef OPENSSL_NO_SCRYPT 248 if (scrypt_N && scrypt_r && scrypt_p) 249 pbe = PKCS5_pbe2_set_scrypt(cipher, NULL, 0, NULL, 250 scrypt_N, scrypt_r, scrypt_p); 251 else 252 #endif 253 pbe = PKCS5_pbe2_set_iv(cipher, iter, NULL, 0, NULL, 254 pbe_nid); 255 } else { 256 pbe = PKCS5_pbe_set(pbe_nid, iter, NULL, 0); 257 } 258 if (pbe == NULL) { 259 BIO_printf(bio_err, "Error setting PBE algorithm\n"); 260 ERR_print_errors(bio_err); 261 goto end; 262 } 263 if (passout != NULL) { 264 p8pass = passout; 265 } else if (1) { 266 /* To avoid bit rot */ 267 #ifndef OPENSSL_NO_UI_CONSOLE 268 p8pass = pass; 269 if (EVP_read_pw_string 270 (pass, sizeof(pass), "Enter Encryption Password:", 1)) { 271 X509_ALGOR_free(pbe); 272 goto end; 273 } 274 } else { 275 #endif 276 BIO_printf(bio_err, "Password required\n"); 277 goto end; 278 } 279 p8 = PKCS8_set0_pbe(p8pass, strlen(p8pass), p8inf, pbe); 280 if (p8 == NULL) { 281 X509_ALGOR_free(pbe); 282 BIO_printf(bio_err, "Error encrypting key\n"); 283 ERR_print_errors(bio_err); 284 goto end; 285 } 286 assert(private); 287 if (outformat == FORMAT_PEM) 288 PEM_write_bio_PKCS8(out, p8); 289 else if (outformat == FORMAT_ASN1) 290 i2d_PKCS8_bio(out, p8); 291 else { 292 BIO_printf(bio_err, "Bad format specified for key\n"); 293 goto end; 294 } 295 } 296 297 ret = 0; 298 goto end; 299 } 300 301 if (nocrypt) { 302 if (informat == FORMAT_PEM || informat == FORMAT_UNDEF) { 303 p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL, NULL, NULL); 304 } else if (informat == FORMAT_ASN1) { 305 p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL); 306 } else { 307 BIO_printf(bio_err, "Bad format specified for key\n"); 308 goto end; 309 } 310 } else { 311 if (informat == FORMAT_PEM || informat == FORMAT_UNDEF) { 312 p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL); 313 } else if (informat == FORMAT_ASN1) { 314 p8 = d2i_PKCS8_bio(in, NULL); 315 } else { 316 BIO_printf(bio_err, "Bad format specified for key\n"); 317 goto end; 318 } 319 320 if (p8 == NULL) { 321 BIO_printf(bio_err, "Error reading key\n"); 322 ERR_print_errors(bio_err); 323 goto end; 324 } 325 if (passin != NULL) { 326 p8pass = passin; 327 } else if (1) { 328 #ifndef OPENSSL_NO_UI_CONSOLE 329 p8pass = pass; 330 if (EVP_read_pw_string(pass, sizeof(pass), "Enter Password:", 0)) { 331 BIO_printf(bio_err, "Can't read Password\n"); 332 goto end; 333 } 334 } else { 335 #endif 336 BIO_printf(bio_err, "Password required\n"); 337 goto end; 338 } 339 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass)); 340 } 341 342 if (p8inf == NULL) { 343 BIO_printf(bio_err, "Error decrypting key\n"); 344 ERR_print_errors(bio_err); 345 goto end; 346 } 347 348 if ((pkey = EVP_PKCS82PKEY(p8inf)) == NULL) { 349 BIO_printf(bio_err, "Error converting key\n"); 350 ERR_print_errors(bio_err); 351 goto end; 352 } 353 354 assert(private); 355 if (outformat == FORMAT_PEM) { 356 if (traditional) 357 PEM_write_bio_PrivateKey_traditional(out, pkey, NULL, NULL, 0, 358 NULL, passout); 359 else 360 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout); 361 } else if (outformat == FORMAT_ASN1) { 362 i2d_PrivateKey_bio(out, pkey); 363 } else { 364 BIO_printf(bio_err, "Bad format specified for key\n"); 365 goto end; 366 } 367 ret = 0; 368 369 end: 370 X509_SIG_free(p8); 371 PKCS8_PRIV_KEY_INFO_free(p8inf); 372 EVP_PKEY_free(pkey); 373 EVP_CIPHER_free(cipher); 374 release_engine(e); 375 BIO_free_all(out); 376 BIO_free(in); 377 OPENSSL_free(passin); 378 OPENSSL_free(passout); 379 380 return ret; 381 } 382
Indexes created Sat Feb 28 05:31:39 UTC 2026