diff options
Diffstat (limited to 'src/usr.bin/openssl/genpkey.c')
| -rw-r--r-- | src/usr.bin/openssl/genpkey.c | 383 |
1 files changed, 383 insertions, 0 deletions
diff --git a/src/usr.bin/openssl/genpkey.c b/src/usr.bin/openssl/genpkey.c new file mode 100644 index 0000000000..02332f6682 --- /dev/null +++ b/src/usr.bin/openssl/genpkey.c | |||
| @@ -0,0 +1,383 @@ | |||
| 1 | /* $OpenBSD: genpkey.c,v 1.1 2014/08/26 17:47:24 jsing Exp $ */ | ||
| 2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | ||
| 3 | * project 2006 | ||
| 4 | */ | ||
| 5 | /* ==================================================================== | ||
| 6 | * Copyright (c) 2006 The OpenSSL Project. All rights reserved. | ||
| 7 | * | ||
| 8 | * Redistribution and use in source and binary forms, with or without | ||
| 9 | * modification, are permitted provided that the following conditions | ||
| 10 | * are met: | ||
| 11 | * | ||
| 12 | * 1. Redistributions of source code must retain the above copyright | ||
| 13 | * notice, this list of conditions and the following disclaimer. | ||
| 14 | * | ||
| 15 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 16 | * notice, this list of conditions and the following disclaimer in | ||
| 17 | * the documentation and/or other materials provided with the | ||
| 18 | * distribution. | ||
| 19 | * | ||
| 20 | * 3. All advertising materials mentioning features or use of this | ||
| 21 | * software must display the following acknowledgment: | ||
| 22 | * "This product includes software developed by the OpenSSL Project | ||
| 23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
| 24 | * | ||
| 25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
| 26 | * endorse or promote products derived from this software without | ||
| 27 | * prior written permission. For written permission, please contact | ||
| 28 | * licensing@OpenSSL.org. | ||
| 29 | * | ||
| 30 | * 5. Products derived from this software may not be called "OpenSSL" | ||
| 31 | * nor may "OpenSSL" appear in their names without prior written | ||
| 32 | * permission of the OpenSSL Project. | ||
| 33 | * | ||
| 34 | * 6. Redistributions of any form whatsoever must retain the following | ||
| 35 | * acknowledgment: | ||
| 36 | * "This product includes software developed by the OpenSSL Project | ||
| 37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
| 38 | * | ||
| 39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
| 40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| 42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
| 43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
| 48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
| 50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 51 | * ==================================================================== | ||
| 52 | * | ||
| 53 | * This product includes cryptographic software written by Eric Young | ||
| 54 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
| 55 | * Hudson (tjh@cryptsoft.com). | ||
| 56 | * | ||
| 57 | */ | ||
| 58 | |||
| 59 | #include <stdio.h> | ||
| 60 | #include <string.h> | ||
| 61 | |||
| 62 | #include "apps.h" | ||
| 63 | |||
| 64 | #include <openssl/err.h> | ||
| 65 | #include <openssl/evp.h> | ||
| 66 | #include <openssl/pem.h> | ||
| 67 | |||
| 68 | #ifndef OPENSSL_NO_ENGINE | ||
| 69 | #include <openssl/engine.h> | ||
| 70 | #endif | ||
| 71 | |||
| 72 | static int | ||
| 73 | init_keygen_file(BIO * err, EVP_PKEY_CTX ** pctx, const char *file, | ||
| 74 | ENGINE * e); | ||
| 75 | static int genpkey_cb(EVP_PKEY_CTX * ctx); | ||
| 76 | |||
| 77 | |||
| 78 | int genpkey_main(int, char **); | ||
| 79 | |||
| 80 | int | ||
| 81 | genpkey_main(int argc, char **argv) | ||
| 82 | { | ||
| 83 | ENGINE *e = NULL; | ||
| 84 | char **args, *outfile = NULL; | ||
| 85 | char *passarg = NULL; | ||
| 86 | BIO *in = NULL, *out = NULL; | ||
| 87 | const EVP_CIPHER *cipher = NULL; | ||
| 88 | int outformat; | ||
| 89 | int text = 0; | ||
| 90 | EVP_PKEY *pkey = NULL; | ||
| 91 | EVP_PKEY_CTX *ctx = NULL; | ||
| 92 | char *pass = NULL; | ||
| 93 | int badarg = 0; | ||
| 94 | int ret = 1, rv; | ||
| 95 | |||
| 96 | int do_param = 0; | ||
| 97 | |||
| 98 | outformat = FORMAT_PEM; | ||
| 99 | |||
| 100 | ERR_load_crypto_strings(); | ||
| 101 | OpenSSL_add_all_algorithms(); | ||
| 102 | args = argv + 1; | ||
| 103 | while (!badarg && *args && *args[0] == '-') { | ||
| 104 | if (!strcmp(*args, "-outform")) { | ||
| 105 | if (args[1]) { | ||
| 106 | args++; | ||
| 107 | outformat = str2fmt(*args); | ||
| 108 | } else | ||
| 109 | badarg = 1; | ||
| 110 | } else if (!strcmp(*args, "-pass")) { | ||
| 111 | if (!args[1]) | ||
| 112 | goto bad; | ||
| 113 | passarg = *(++args); | ||
| 114 | } | ||
| 115 | #ifndef OPENSSL_NO_ENGINE | ||
| 116 | else if (strcmp(*args, "-engine") == 0) { | ||
| 117 | if (!args[1]) | ||
| 118 | goto bad; | ||
| 119 | e = setup_engine(bio_err, *(++args), 0); | ||
| 120 | } | ||
| 121 | #endif | ||
| 122 | else if (!strcmp(*args, "-paramfile")) { | ||
| 123 | if (!args[1]) | ||
| 124 | goto bad; | ||
| 125 | args++; | ||
| 126 | if (do_param == 1) | ||
| 127 | goto bad; | ||
| 128 | if (!init_keygen_file(bio_err, &ctx, *args, e)) | ||
| 129 | goto end; | ||
| 130 | } else if (!strcmp(*args, "-out")) { | ||
| 131 | if (args[1]) { | ||
| 132 | args++; | ||
| 133 | outfile = *args; | ||
| 134 | } else | ||
| 135 | badarg = 1; | ||
| 136 | } else if (strcmp(*args, "-algorithm") == 0) { | ||
| 137 | if (!args[1]) | ||
| 138 | goto bad; | ||
| 139 | if (!init_gen_str(bio_err, &ctx, *(++args), e, do_param)) | ||
| 140 | goto end; | ||
| 141 | } else if (strcmp(*args, "-pkeyopt") == 0) { | ||
| 142 | if (!args[1]) | ||
| 143 | goto bad; | ||
| 144 | if (!ctx) { | ||
| 145 | BIO_puts(bio_err, "No keytype specified\n"); | ||
| 146 | goto bad; | ||
| 147 | } else if (pkey_ctrl_string(ctx, *(++args)) <= 0) { | ||
| 148 | BIO_puts(bio_err, "parameter setting error\n"); | ||
| 149 | ERR_print_errors(bio_err); | ||
| 150 | goto end; | ||
| 151 | } | ||
| 152 | } else if (strcmp(*args, "-genparam") == 0) { | ||
| 153 | if (ctx) | ||
| 154 | goto bad; | ||
| 155 | do_param = 1; | ||
| 156 | } else if (strcmp(*args, "-text") == 0) | ||
| 157 | text = 1; | ||
| 158 | else { | ||
| 159 | cipher = EVP_get_cipherbyname(*args + 1); | ||
| 160 | if (!cipher) { | ||
| 161 | BIO_printf(bio_err, "Unknown cipher %s\n", | ||
| 162 | *args + 1); | ||
| 163 | badarg = 1; | ||
| 164 | } | ||
| 165 | if (do_param == 1) | ||
| 166 | badarg = 1; | ||
| 167 | } | ||
| 168 | args++; | ||
| 169 | } | ||
| 170 | |||
| 171 | if (!ctx) | ||
| 172 | badarg = 1; | ||
| 173 | |||
| 174 | if (badarg) { | ||
| 175 | bad: | ||
| 176 | BIO_printf(bio_err, "Usage: genpkey [options]\n"); | ||
| 177 | BIO_printf(bio_err, "where options may be\n"); | ||
| 178 | BIO_printf(bio_err, "-out file output file\n"); | ||
| 179 | BIO_printf(bio_err, "-outform X output format (DER or PEM)\n"); | ||
| 180 | BIO_printf(bio_err, "-pass arg output file pass phrase source\n"); | ||
| 181 | BIO_printf(bio_err, "-<cipher> use cipher <cipher> to encrypt the key\n"); | ||
| 182 | #ifndef OPENSSL_NO_ENGINE | ||
| 183 | BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n"); | ||
| 184 | #endif | ||
| 185 | BIO_printf(bio_err, "-paramfile file parameters file\n"); | ||
| 186 | BIO_printf(bio_err, "-algorithm alg the public key algorithm\n"); | ||
| 187 | BIO_printf(bio_err, "-pkeyopt opt:value set the public key algorithm option <opt>\n" | ||
| 188 | " to value <value>\n"); | ||
| 189 | BIO_printf(bio_err, "-genparam generate parameters, not key\n"); | ||
| 190 | BIO_printf(bio_err, "-text print the in text\n"); | ||
| 191 | BIO_printf(bio_err, "NB: options order may be important! See the manual page.\n"); | ||
| 192 | goto end; | ||
| 193 | } | ||
| 194 | if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { | ||
| 195 | BIO_puts(bio_err, "Error getting password\n"); | ||
| 196 | goto end; | ||
| 197 | } | ||
| 198 | if (outfile) { | ||
| 199 | if (!(out = BIO_new_file(outfile, "wb"))) { | ||
| 200 | BIO_printf(bio_err, | ||
| 201 | "Can't open output file %s\n", outfile); | ||
| 202 | goto end; | ||
| 203 | } | ||
| 204 | } else { | ||
| 205 | out = BIO_new_fp(stdout, BIO_NOCLOSE); | ||
| 206 | } | ||
| 207 | |||
| 208 | EVP_PKEY_CTX_set_cb(ctx, genpkey_cb); | ||
| 209 | EVP_PKEY_CTX_set_app_data(ctx, bio_err); | ||
| 210 | |||
| 211 | if (do_param) { | ||
| 212 | if (EVP_PKEY_paramgen(ctx, &pkey) <= 0) { | ||
| 213 | BIO_puts(bio_err, "Error generating parameters\n"); | ||
| 214 | ERR_print_errors(bio_err); | ||
| 215 | goto end; | ||
| 216 | } | ||
| 217 | } else { | ||
| 218 | if (EVP_PKEY_keygen(ctx, &pkey) <= 0) { | ||
| 219 | BIO_puts(bio_err, "Error generating key\n"); | ||
| 220 | ERR_print_errors(bio_err); | ||
| 221 | goto end; | ||
| 222 | } | ||
| 223 | } | ||
| 224 | |||
| 225 | if (do_param) | ||
| 226 | rv = PEM_write_bio_Parameters(out, pkey); | ||
| 227 | else if (outformat == FORMAT_PEM) | ||
| 228 | rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, | ||
| 229 | NULL, pass); | ||
| 230 | else if (outformat == FORMAT_ASN1) | ||
| 231 | rv = i2d_PrivateKey_bio(out, pkey); | ||
| 232 | else { | ||
| 233 | BIO_printf(bio_err, "Bad format specified for key\n"); | ||
| 234 | goto end; | ||
| 235 | } | ||
| 236 | |||
| 237 | if (rv <= 0) { | ||
| 238 | BIO_puts(bio_err, "Error writing key\n"); | ||
| 239 | ERR_print_errors(bio_err); | ||
| 240 | } | ||
| 241 | if (text) { | ||
| 242 | if (do_param) | ||
| 243 | rv = EVP_PKEY_print_params(out, pkey, 0, NULL); | ||
| 244 | else | ||
| 245 | rv = EVP_PKEY_print_private(out, pkey, 0, NULL); | ||
| 246 | |||
| 247 | if (rv <= 0) { | ||
| 248 | BIO_puts(bio_err, "Error printing key\n"); | ||
| 249 | ERR_print_errors(bio_err); | ||
| 250 | } | ||
| 251 | } | ||
| 252 | ret = 0; | ||
| 253 | |||
| 254 | end: | ||
| 255 | if (pkey) | ||
| 256 | EVP_PKEY_free(pkey); | ||
| 257 | if (ctx) | ||
| 258 | EVP_PKEY_CTX_free(ctx); | ||
| 259 | if (out) | ||
| 260 | BIO_free_all(out); | ||
| 261 | BIO_free(in); | ||
| 262 | free(pass); | ||
| 263 | |||
| 264 | return ret; | ||
| 265 | } | ||
| 266 | |||
| 267 | static int | ||
| 268 | init_keygen_file(BIO * err, EVP_PKEY_CTX ** pctx, | ||
| 269 | const char *file, ENGINE * e) | ||
| 270 | { | ||
| 271 | BIO *pbio; | ||
| 272 | EVP_PKEY *pkey = NULL; | ||
| 273 | EVP_PKEY_CTX *ctx = NULL; | ||
| 274 | if (*pctx) { | ||
| 275 | BIO_puts(err, "Parameters already set!\n"); | ||
| 276 | return 0; | ||
| 277 | } | ||
| 278 | pbio = BIO_new_file(file, "r"); | ||
| 279 | if (!pbio) { | ||
| 280 | BIO_printf(err, "Can't open parameter file %s\n", file); | ||
| 281 | return 0; | ||
| 282 | } | ||
| 283 | pkey = PEM_read_bio_Parameters(pbio, NULL); | ||
| 284 | BIO_free(pbio); | ||
| 285 | |||
| 286 | if (!pkey) { | ||
| 287 | BIO_printf(bio_err, "Error reading parameter file %s\n", file); | ||
| 288 | return 0; | ||
| 289 | } | ||
| 290 | ctx = EVP_PKEY_CTX_new(pkey, e); | ||
| 291 | if (!ctx) | ||
| 292 | goto err; | ||
| 293 | if (EVP_PKEY_keygen_init(ctx) <= 0) | ||
| 294 | goto err; | ||
| 295 | EVP_PKEY_free(pkey); | ||
| 296 | *pctx = ctx; | ||
| 297 | return 1; | ||
| 298 | |||
| 299 | err: | ||
| 300 | BIO_puts(err, "Error initializing context\n"); | ||
| 301 | ERR_print_errors(err); | ||
| 302 | if (ctx) | ||
| 303 | EVP_PKEY_CTX_free(ctx); | ||
| 304 | if (pkey) | ||
| 305 | EVP_PKEY_free(pkey); | ||
| 306 | return 0; | ||
| 307 | |||
| 308 | } | ||
| 309 | |||
| 310 | int | ||
| 311 | init_gen_str(BIO * err, EVP_PKEY_CTX ** pctx, | ||
| 312 | const char *algname, ENGINE * e, int do_param) | ||
| 313 | { | ||
| 314 | EVP_PKEY_CTX *ctx = NULL; | ||
| 315 | const EVP_PKEY_ASN1_METHOD *ameth; | ||
| 316 | ENGINE *tmpeng = NULL; | ||
| 317 | int pkey_id; | ||
| 318 | |||
| 319 | if (*pctx) { | ||
| 320 | BIO_puts(err, "Algorithm already set!\n"); | ||
| 321 | return 0; | ||
| 322 | } | ||
| 323 | ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1); | ||
| 324 | |||
| 325 | #ifndef OPENSSL_NO_ENGINE | ||
| 326 | if (!ameth && e) | ||
| 327 | ameth = ENGINE_get_pkey_asn1_meth_str(e, algname, -1); | ||
| 328 | #endif | ||
| 329 | |||
| 330 | if (!ameth) { | ||
| 331 | BIO_printf(bio_err, "Algorithm %s not found\n", algname); | ||
| 332 | return 0; | ||
| 333 | } | ||
| 334 | ERR_clear_error(); | ||
| 335 | |||
| 336 | EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth); | ||
| 337 | #ifndef OPENSSL_NO_ENGINE | ||
| 338 | if (tmpeng) | ||
| 339 | ENGINE_finish(tmpeng); | ||
| 340 | #endif | ||
| 341 | ctx = EVP_PKEY_CTX_new_id(pkey_id, e); | ||
| 342 | |||
| 343 | if (!ctx) | ||
| 344 | goto err; | ||
| 345 | if (do_param) { | ||
| 346 | if (EVP_PKEY_paramgen_init(ctx) <= 0) | ||
| 347 | goto err; | ||
| 348 | } else { | ||
| 349 | if (EVP_PKEY_keygen_init(ctx) <= 0) | ||
| 350 | goto err; | ||
| 351 | } | ||
| 352 | |||
| 353 | *pctx = ctx; | ||
| 354 | return 1; | ||
| 355 | |||
| 356 | err: | ||
| 357 | BIO_printf(err, "Error initializing %s context\n", algname); | ||
| 358 | ERR_print_errors(err); | ||
| 359 | if (ctx) | ||
| 360 | EVP_PKEY_CTX_free(ctx); | ||
| 361 | return 0; | ||
| 362 | |||
| 363 | } | ||
| 364 | |||
| 365 | static int | ||
| 366 | genpkey_cb(EVP_PKEY_CTX * ctx) | ||
| 367 | { | ||
| 368 | char c = '*'; | ||
| 369 | BIO *b = EVP_PKEY_CTX_get_app_data(ctx); | ||
| 370 | int p; | ||
| 371 | p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); | ||
| 372 | if (p == 0) | ||
| 373 | c = '.'; | ||
| 374 | if (p == 1) | ||
| 375 | c = '+'; | ||
| 376 | if (p == 2) | ||
| 377 | c = '*'; | ||
| 378 | if (p == 3) | ||
| 379 | c = '\n'; | ||
| 380 | BIO_write(b, &c, 1); | ||
| 381 | (void) BIO_flush(b); | ||
| 382 | return 1; | ||
| 383 | } | ||
