3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
62 #include <openssl/pem.h>
63 #include <openssl/err.h>
64 #include <openssl/evp.h>
65 #ifndef OPENSSL_NO_ENGINE
66 # include <openssl/engine.h>
69 static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx,
70 const char *file, ENGINE *e);
71 static int genpkey_cb(EVP_PKEY_CTX *ctx);
73 #define PROG genpkey_main
75 int MAIN(int, char **);
77 int MAIN(int argc, char **argv)
80 char **args, *outfile = NULL;
82 BIO *in = NULL, *out = NULL;
83 const EVP_CIPHER *cipher = NULL;
86 EVP_PKEY *pkey = NULL;
87 EVP_PKEY_CTX *ctx = NULL;
95 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
97 if (!load_config(bio_err, NULL))
100 outformat = FORMAT_PEM;
102 ERR_load_crypto_strings();
103 OpenSSL_add_all_algorithms();
105 while (!badarg && *args && *args[0] == '-') {
106 if (!strcmp(*args, "-outform")) {
109 outformat = str2fmt(*args);
112 } else if (!strcmp(*args, "-pass")) {
117 #ifndef OPENSSL_NO_ENGINE
118 else if (strcmp(*args, "-engine") == 0) {
121 e = setup_engine(bio_err, *(++args), 0);
124 else if (!strcmp(*args, "-paramfile")) {
130 if (!init_keygen_file(bio_err, &ctx, *args, e))
132 } else if (!strcmp(*args, "-out")) {
138 } else if (strcmp(*args, "-algorithm") == 0) {
141 if (!init_gen_str(bio_err, &ctx, *(++args), e, do_param))
143 } else if (strcmp(*args, "-pkeyopt") == 0) {
147 BIO_puts(bio_err, "No keytype specified\n");
149 } else if (pkey_ctrl_string(ctx, *(++args)) <= 0) {
150 BIO_puts(bio_err, "parameter setting error\n");
151 ERR_print_errors(bio_err);
154 } else if (strcmp(*args, "-genparam") == 0) {
158 } else if (strcmp(*args, "-text") == 0)
161 cipher = EVP_get_cipherbyname(*args + 1);
163 BIO_printf(bio_err, "Unknown cipher %s\n", *args + 1);
177 BIO_printf(bio_err, "Usage: genpkey [options]\n");
178 BIO_printf(bio_err, "where options may be\n");
179 BIO_printf(bio_err, "-out file output file\n");
181 "-outform X output format (DER or PEM)\n");
183 "-pass arg output file pass phrase source\n");
185 "-<cipher> use cipher <cipher> to encrypt the key\n");
186 #ifndef OPENSSL_NO_ENGINE
188 "-engine e use engine e, possibly a hardware device.\n");
190 BIO_printf(bio_err, "-paramfile file parameters file\n");
191 BIO_printf(bio_err, "-algorithm alg the public key algorithm\n");
193 "-pkeyopt opt:value set the public key algorithm option <opt>\n"
194 " to value <value>\n");
196 "-genparam generate parameters, not key\n");
197 BIO_printf(bio_err, "-text print the in text\n");
199 "NB: options order may be important! See the manual page.\n");
203 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
204 BIO_puts(bio_err, "Error getting password\n");
209 if (!(out = BIO_new_file(outfile, "wb"))) {
210 BIO_printf(bio_err, "Can't open output file %s\n", outfile);
214 out = BIO_new_fp(stdout, BIO_NOCLOSE);
215 #ifdef OPENSSL_SYS_VMS
217 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
218 out = BIO_push(tmpbio, out);
223 EVP_PKEY_CTX_set_cb(ctx, genpkey_cb);
224 EVP_PKEY_CTX_set_app_data(ctx, bio_err);
227 if (EVP_PKEY_paramgen(ctx, &pkey) <= 0) {
228 BIO_puts(bio_err, "Error generating parameters\n");
229 ERR_print_errors(bio_err);
233 if (EVP_PKEY_keygen(ctx, &pkey) <= 0) {
234 BIO_puts(bio_err, "Error generating key\n");
235 ERR_print_errors(bio_err);
241 rv = PEM_write_bio_Parameters(out, pkey);
242 else if (outformat == FORMAT_PEM)
243 rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, pass);
244 else if (outformat == FORMAT_ASN1)
245 rv = i2d_PrivateKey_bio(out, pkey);
247 BIO_printf(bio_err, "Bad format specified for key\n");
252 BIO_puts(bio_err, "Error writing key\n");
253 ERR_print_errors(bio_err);
258 rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
260 rv = EVP_PKEY_print_private(out, pkey, 0, NULL);
263 BIO_puts(bio_err, "Error printing key\n");
264 ERR_print_errors(bio_err);
274 EVP_PKEY_CTX_free(ctx);
284 static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx,
285 const char *file, ENGINE *e)
288 EVP_PKEY *pkey = NULL;
289 EVP_PKEY_CTX *ctx = NULL;
291 BIO_puts(err, "Parameters already set!\n");
295 pbio = BIO_new_file(file, "r");
297 BIO_printf(err, "Can't open parameter file %s\n", file);
301 pkey = PEM_read_bio_Parameters(pbio, NULL);
305 BIO_printf(bio_err, "Error reading parameter file %s\n", file);
309 ctx = EVP_PKEY_CTX_new(pkey, e);
312 if (EVP_PKEY_keygen_init(ctx) <= 0)
319 BIO_puts(err, "Error initializing context\n");
320 ERR_print_errors(err);
322 EVP_PKEY_CTX_free(ctx);
329 int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx,
330 const char *algname, ENGINE *e, int do_param)
332 EVP_PKEY_CTX *ctx = NULL;
333 const EVP_PKEY_ASN1_METHOD *ameth;
334 ENGINE *tmpeng = NULL;
338 BIO_puts(err, "Algorithm already set!\n");
342 ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1);
344 #ifndef OPENSSL_NO_ENGINE
346 ameth = ENGINE_get_pkey_asn1_meth_str(e, algname, -1);
350 BIO_printf(bio_err, "Algorithm %s not found\n", algname);
356 EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
357 #ifndef OPENSSL_NO_ENGINE
359 ENGINE_finish(tmpeng);
361 ctx = EVP_PKEY_CTX_new_id(pkey_id, e);
366 if (EVP_PKEY_paramgen_init(ctx) <= 0)
369 if (EVP_PKEY_keygen_init(ctx) <= 0)
377 BIO_printf(err, "Error initializing %s context\n", algname);
378 ERR_print_errors(err);
380 EVP_PKEY_CTX_free(ctx);
385 static int genpkey_cb(EVP_PKEY_CTX *ctx)
388 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
390 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);