2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
61 #include <openssl/pem.h>
62 #include <openssl/err.h>
63 #include <openssl/evp.h>
64 #ifndef OPENSSL_NO_ENGINE
65 #include <openssl/engine.h>
68 static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx,
69 const char *file, ENGINE *e);
70 static int genpkey_cb(EVP_PKEY_CTX *ctx);
72 #define PROG genpkey_main
74 int MAIN(int, char **);
76 int MAIN(int argc, char **argv)
79 char **args, *outfile = NULL;
81 BIO *in = NULL, *out = NULL;
82 const EVP_CIPHER *cipher = NULL;
86 EVP_PKEY_CTX *ctx = NULL;
94 bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
96 if (!load_config(bio_err, NULL))
101 ERR_load_crypto_strings();
102 OpenSSL_add_all_algorithms();
104 while (!badarg && *args && *args[0] == '-')
106 if (!strcmp(*args,"-outform"))
111 outformat=str2fmt(*args);
115 else if (!strcmp(*args,"-pass"))
117 if (!args[1]) goto bad;
120 #ifndef OPENSSL_NO_ENGINE
121 else if (strcmp(*args,"-engine") == 0)
125 e = setup_engine(bio_err, *(++args), 0);
128 else if (!strcmp (*args, "-paramfile"))
135 if (!init_keygen_file(bio_err, &ctx, *args, e))
138 else if (!strcmp (*args, "-out"))
147 else if (strcmp(*args,"-algorithm") == 0)
151 if (!init_gen_str(bio_err, &ctx, *(++args),e, do_param))
154 else if (strcmp(*args,"-pkeyopt") == 0)
160 BIO_puts(bio_err, "No keytype specified\n");
163 else if (pkey_ctrl_string(ctx, *(++args)) <= 0)
165 BIO_puts(bio_err, "parameter setting error\n");
166 ERR_print_errors(bio_err);
170 else if (strcmp(*args,"-genparam") == 0)
176 else if (strcmp(*args,"-text") == 0)
180 cipher = EVP_get_cipherbyname(*args + 1);
183 BIO_printf(bio_err, "Unknown cipher %s\n",
199 BIO_printf(bio_err, "Usage: genpkey [options]\n");
200 BIO_printf(bio_err, "where options may be\n");
201 BIO_printf(bio_err, "-out file output file\n");
202 BIO_printf(bio_err, "-outform X output format (DER or PEM)\n");
203 BIO_printf(bio_err, "-pass arg output file pass phrase source\n");
204 BIO_printf(bio_err, "-<cipher> use cipher <cipher> to encrypt the key\n");
205 #ifndef OPENSSL_NO_ENGINE
206 BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
208 BIO_printf(bio_err, "-paramfile file parameters file\n");
209 BIO_printf(bio_err, "-algorithm alg the public key algorithm\n");
210 BIO_printf(bio_err, "-pkeyopt opt:value set the public key algorithm option <opt>\n"
211 " to value <value>\n");
212 BIO_printf(bio_err, "-genparam generate parameters, not key\n");
213 BIO_printf(bio_err, "-text print the in text\n");
214 BIO_printf(bio_err, "NB: options order may be important! See the manual page.\n");
218 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
220 BIO_puts(bio_err, "Error getting password\n");
226 if (!(out = BIO_new_file (outfile, "wb")))
229 "Can't open output file %s\n", outfile);
235 out = BIO_new_fp (stdout, BIO_NOCLOSE);
236 #ifdef OPENSSL_SYS_VMS
238 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
239 out = BIO_push(tmpbio, out);
244 EVP_PKEY_CTX_set_cb(ctx, genpkey_cb);
245 EVP_PKEY_CTX_set_app_data(ctx, bio_err);
249 if (EVP_PKEY_paramgen(ctx, &pkey) <= 0)
251 BIO_puts(bio_err, "Error generating parameters\n");
252 ERR_print_errors(bio_err);
258 if (EVP_PKEY_keygen(ctx, &pkey) <= 0)
260 BIO_puts(bio_err, "Error generating key\n");
261 ERR_print_errors(bio_err);
267 rv = PEM_write_bio_Parameters(out, pkey);
268 else if (outformat == FORMAT_PEM)
269 rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0,
271 else if (outformat == FORMAT_ASN1)
272 rv = i2d_PrivateKey_bio(out, pkey);
275 BIO_printf(bio_err, "Bad format specified for key\n");
281 BIO_puts(bio_err, "Error writing key\n");
282 ERR_print_errors(bio_err);
288 rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
290 rv = EVP_PKEY_print_private(out, pkey, 0, NULL);
294 BIO_puts(bio_err, "Error printing key\n");
295 ERR_print_errors(bio_err);
305 EVP_PKEY_CTX_free(ctx);
315 static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx,
316 const char *file, ENGINE *e)
319 EVP_PKEY *pkey = NULL;
320 EVP_PKEY_CTX *ctx = NULL;
323 BIO_puts(err, "Parameters already set!\n");
327 pbio = BIO_new_file(file, "r");
330 BIO_printf(err, "Can't open parameter file %s\n", file);
334 pkey = PEM_read_bio_Parameters(pbio, NULL);
339 BIO_printf(bio_err, "Error reading parameter file %s\n", file);
343 ctx = EVP_PKEY_CTX_new(pkey, e);
346 if (EVP_PKEY_keygen_init(ctx) <= 0)
353 BIO_puts(err, "Error initializing context\n");
354 ERR_print_errors(err);
356 EVP_PKEY_CTX_free(ctx);
363 int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx,
364 const char *algname, ENGINE *e, int do_param)
366 EVP_PKEY_CTX *ctx = NULL;
367 const EVP_PKEY_ASN1_METHOD *ameth;
368 ENGINE *tmpeng = NULL;
373 BIO_puts(err, "Algorithm already set!\n");
377 ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1);
379 #ifndef OPENSSL_NO_ENGINE
381 ameth = ENGINE_get_pkey_asn1_meth_str(e, algname, -1);
386 BIO_printf(bio_err, "Algorithm %s not found\n", algname);
392 EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
393 #ifndef OPENSSL_NO_ENGINE
395 ENGINE_finish(tmpeng);
397 ctx = EVP_PKEY_CTX_new_id(pkey_id, e);
403 if (EVP_PKEY_paramgen_init(ctx) <= 0)
408 if (EVP_PKEY_keygen_init(ctx) <= 0)
416 BIO_printf(err, "Error initializing %s context\n", algname);
417 ERR_print_errors(err);
419 EVP_PKEY_CTX_free(ctx);
424 static int genpkey_cb(EVP_PKEY_CTX *ctx)
427 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
429 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);