2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 init_gen_str(BIO *err, EVP_PKEY_CTX **pctx,
71 const char *algname, ENGINE *e, int do_param);
72 static int genpkey_cb(EVP_PKEY_CTX *ctx);
74 #define PROG genpkey_main
76 int MAIN(int, char **);
78 int MAIN(int argc, char **argv)
81 char **args, *outfile = NULL;
83 BIO *in = NULL, *out = NULL;
84 const EVP_CIPHER *cipher = NULL;
88 EVP_PKEY_CTX *ctx = NULL;
96 bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
98 if (!load_config(bio_err, NULL))
101 outformat=FORMAT_PEM;
103 ERR_load_crypto_strings();
104 OpenSSL_add_all_algorithms();
106 while (!badarg && *args && *args[0] == '-')
108 if (!strcmp(*args,"-outform"))
113 outformat=str2fmt(*args);
117 else if (!strcmp(*args,"-pass"))
119 if (!args[1]) goto bad;
122 #ifndef OPENSSL_NO_ENGINE
123 else if (strcmp(*args,"-engine") == 0)
127 e = setup_engine(bio_err, *(++args), 0);
130 else if (!strcmp (*args, "-paramfile"))
137 if (!init_keygen_file(bio_err, &ctx, *args, e))
140 else if (!strcmp (*args, "-out"))
149 else if (strcmp(*args,"-algorithm") == 0)
153 if (!init_gen_str(bio_err, &ctx, *(++args),e, do_param))
156 else if (strcmp(*args,"-pkeyopt") == 0)
162 BIO_puts(bio_err, "No keytype specified\n");
165 else if (pkey_ctrl_string(ctx, *(++args)) <= 0)
167 BIO_puts(bio_err, "parameter setting error\n");
168 ERR_print_errors(bio_err);
172 else if (strcmp(*args,"-genparam") == 0)
178 else if (strcmp(*args,"-text") == 0)
182 cipher = EVP_get_cipherbyname(*args + 1);
185 BIO_printf(bio_err, "Unknown cipher %s\n",
201 BIO_printf(bio_err, "Usage: genpkey [options]\n");
202 BIO_printf(bio_err, "where options may be\n");
203 BIO_printf(bio_err, "-out file output file\n");
204 BIO_printf(bio_err, "-outform X output format (DER or PEM)\n");
205 BIO_printf(bio_err, "-pass arg output file pass phrase source\n");
206 BIO_printf(bio_err, "-<cipher> use cipher <cipher> to encrypt the key\n");
207 #ifndef OPENSSL_NO_ENGINE
208 BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
210 BIO_printf(bio_err, "-paramfile file parameters file\n");
211 BIO_printf(bio_err, "-algorithm alg the public key algorithm\n");
212 BIO_printf(bio_err, "-pkeyopt opt:value set the public key algorithm option <opt>\n"
213 " to value <value>\n");
214 BIO_printf(bio_err, "-genparam generate parameters, not key\n");
215 BIO_printf(bio_err, "-text print the in text\n");
216 BIO_printf(bio_err, "NB: options order may be important! See the manual page.\n");
220 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
222 BIO_puts(bio_err, "Error getting password\n");
228 if (!(out = BIO_new_file (outfile, "wb")))
231 "Can't open output file %s\n", outfile);
237 out = BIO_new_fp (stdout, BIO_NOCLOSE);
238 #ifdef OPENSSL_SYS_VMS
240 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
241 out = BIO_push(tmpbio, out);
246 EVP_PKEY_CTX_set_cb(ctx, genpkey_cb);
247 EVP_PKEY_CTX_set_app_data(ctx, bio_err);
251 if (EVP_PKEY_paramgen(ctx, &pkey) <= 0)
253 BIO_puts(bio_err, "Error generating parameters\n");
254 ERR_print_errors(bio_err);
260 if (EVP_PKEY_keygen(ctx, &pkey) <= 0)
262 BIO_puts(bio_err, "Error generating key\n");
263 ERR_print_errors(bio_err);
269 rv = PEM_write_bio_Parameters(out, pkey);
270 else if (outformat == FORMAT_PEM)
271 rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0,
273 else if (outformat == FORMAT_ASN1)
274 rv = i2d_PrivateKey_bio(out, pkey);
277 BIO_printf(bio_err, "Bad format specified for key\n");
283 BIO_puts(bio_err, "Error writing key\n");
284 ERR_print_errors(bio_err);
290 rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
292 rv = EVP_PKEY_print_private(out, pkey, 0, NULL);
296 BIO_puts(bio_err, "Error printing key\n");
297 ERR_print_errors(bio_err);
307 EVP_PKEY_CTX_free(ctx);
317 static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx,
318 const char *file, ENGINE *e)
321 EVP_PKEY *pkey = NULL;
322 EVP_PKEY_CTX *ctx = NULL;
325 BIO_puts(err, "Parameters already set!\n");
329 pbio = BIO_new_file(file, "r");
332 BIO_printf(err, "Can't open parameter file %s\n", file);
336 pkey = PEM_read_bio_Parameters(pbio, NULL);
341 BIO_printf(bio_err, "Error reading parameter file %s\n", file);
345 ctx = EVP_PKEY_CTX_new(pkey, e);
348 if (EVP_PKEY_keygen_init(ctx) <= 0)
355 BIO_puts(err, "Error initializing context\n");
356 ERR_print_errors(err);
358 EVP_PKEY_CTX_free(ctx);
365 static int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx,
366 const char *algname, ENGINE *e, int do_param)
368 EVP_PKEY_CTX *ctx = NULL;
369 const EVP_PKEY_ASN1_METHOD *ameth;
370 ENGINE *tmpeng = NULL;
375 BIO_puts(err, "Algorithm already set!\n");
379 ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1);
382 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);