-/* apps/genpkey.c */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 2006
- */
-/* ====================================================================
- * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
+
#include <stdio.h>
#include <string.h>
#include "apps.h"
# include <openssl/engine.h>
#endif
-static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx,
- const char *file, ENGINE *e);
+static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e);
static int genpkey_cb(EVP_PKEY_CTX *ctx);
-#define PROG genpkey_main
-
-int MAIN(int, char **);
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_ENGINE, OPT_OUTFORM, OPT_OUT, OPT_PASS, OPT_PARAMFILE,
+ OPT_ALGORITHM, OPT_PKEYOPT, OPT_GENPARAM, OPT_TEXT, OPT_CIPHER
+} OPTION_CHOICE;
+
+OPTIONS genpkey_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"out", OPT_OUT, '>', "Output file"},
+ {"outform", OPT_OUTFORM, 'F', "output format (DER or PEM)"},
+ {"pass", OPT_PASS, 's', "Output file pass phrase source"},
+ {"paramfile", OPT_PARAMFILE, '<', "Parameters file"},
+ {"algorithm", OPT_ALGORITHM, 's', "The public key algorithm"},
+ {"pkeyopt", OPT_PKEYOPT, 's',
+ "Set the public key algorithm option as opt:value"},
+ {"genparam", OPT_GENPARAM, '-', "Generate parameters, not key"},
+ {"text", OPT_TEXT, '-', "Print the in text"},
+ {"", OPT_CIPHER, '-', "Cipher to use to encrypt the key"},
+#ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+#endif
+ /* This is deliberately last. */
+ {OPT_HELP_STR, 1, 1,
+ "Order of options may be important! See the documentation.\n"},
+ {NULL}
+};
-int MAIN(int argc, char **argv)
+int genpkey_main(int argc, char **argv)
{
- ENGINE *e = NULL;
- char **args, *outfile = NULL;
- char *passarg = NULL;
BIO *in = NULL, *out = NULL;
- const EVP_CIPHER *cipher = NULL;
- int outformat;
- int text = 0;
+ ENGINE *e = NULL;
EVP_PKEY *pkey = NULL;
EVP_PKEY_CTX *ctx = NULL;
- char *pass = NULL;
- int badarg = 0;
- int ret = 1, rv;
-
- int do_param = 0;
-
- if (bio_err == NULL)
- bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
-
- if (!load_config(bio_err, NULL))
- goto end;
-
- outformat = FORMAT_PEM;
-
- ERR_load_crypto_strings();
- OpenSSL_add_all_algorithms();
- args = argv + 1;
- while (!badarg && *args && *args[0] == '-') {
- if (!strcmp(*args, "-outform")) {
- if (args[1]) {
- args++;
- outformat = str2fmt(*args);
- } else
- badarg = 1;
- } else if (!strcmp(*args, "-pass")) {
- if (!args[1])
- goto bad;
- passarg = *(++args);
- }
-#ifndef OPENSSL_NO_ENGINE
- else if (strcmp(*args, "-engine") == 0) {
- if (!args[1])
- goto bad;
- e = setup_engine(bio_err, *(++args), 0);
- }
-#endif
- else if (!strcmp(*args, "-paramfile")) {
- if (!args[1])
- goto bad;
- args++;
+ char *outfile = NULL, *passarg = NULL, *pass = NULL, *prog;
+ const EVP_CIPHER *cipher = NULL;
+ OPTION_CHOICE o;
+ int outformat = FORMAT_PEM, text = 0, ret = 1, rv, do_param = 0;
+ int private = 0;
+
+ prog = opt_init(argc, argv, genpkey_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+ opthelp:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ case OPT_HELP:
+ ret = 0;
+ opt_help(genpkey_options);
+ goto end;
+ case OPT_OUTFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
+ goto opthelp;
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_PASS:
+ passarg = opt_arg();
+ break;
+ case OPT_ENGINE:
+ e = setup_engine(opt_arg(), 0);
+ break;
+ case OPT_PARAMFILE:
if (do_param == 1)
- goto bad;
- if (!init_keygen_file(bio_err, &ctx, *args, e))
+ goto opthelp;
+ if (!init_keygen_file(&ctx, opt_arg(), e))
goto end;
- } else if (!strcmp(*args, "-out")) {
- if (args[1]) {
- args++;
- outfile = *args;
- } else
- badarg = 1;
- } else if (strcmp(*args, "-algorithm") == 0) {
- if (!args[1])
- goto bad;
- if (!init_gen_str(bio_err, &ctx, *(++args), e, do_param))
+ break;
+ case OPT_ALGORITHM:
+ if (!init_gen_str(&ctx, opt_arg(), e, do_param))
goto end;
- } else if (strcmp(*args, "-pkeyopt") == 0) {
- if (!args[1])
- goto bad;
- if (!ctx) {
- BIO_puts(bio_err, "No keytype specified\n");
- goto bad;
- } else if (pkey_ctrl_string(ctx, *(++args)) <= 0) {
- BIO_puts(bio_err, "parameter setting error\n");
+ break;
+ case OPT_PKEYOPT:
+ if (ctx == NULL) {
+ BIO_printf(bio_err, "%s: No keytype specified.\n", prog);
+ goto opthelp;
+ }
+ if (pkey_ctrl_string(ctx, opt_arg()) <= 0) {
+ BIO_printf(bio_err,
+ "%s: Error setting %s parameter:\n",
+ prog, opt_arg());
ERR_print_errors(bio_err);
goto end;
}
- } else if (strcmp(*args, "-genparam") == 0) {
- if (ctx)
- goto bad;
+ break;
+ case OPT_GENPARAM:
+ if (ctx != NULL)
+ goto opthelp;
do_param = 1;
- } else if (strcmp(*args, "-text") == 0)
+ break;
+ case OPT_TEXT:
text = 1;
- else {
- cipher = EVP_get_cipherbyname(*args + 1);
- if (!cipher) {
- BIO_printf(bio_err, "Unknown cipher %s\n", *args + 1);
- badarg = 1;
- }
- if (do_param == 1)
- badarg = 1;
+ break;
+ case OPT_CIPHER:
+ if (!opt_cipher(opt_unknown(), &cipher)
+ || do_param == 1)
+ goto opthelp;
}
- args++;
}
+ argc = opt_num_rest();
+ if (argc != 0)
+ goto opthelp;
- if (!ctx)
- badarg = 1;
-
- if (badarg) {
- bad:
- BIO_printf(bio_err, "Usage: genpkey [options]\n");
- BIO_printf(bio_err, "where options may be\n");
- BIO_printf(bio_err, "-out file output file\n");
- BIO_printf(bio_err,
- "-outform X output format (DER or PEM)\n");
- BIO_printf(bio_err,
- "-pass arg output file pass phrase source\n");
- BIO_printf(bio_err,
- "-<cipher> use cipher <cipher> to encrypt the key\n");
-#ifndef OPENSSL_NO_ENGINE
- BIO_printf(bio_err,
- "-engine e use engine e, possibly a hardware device.\n");
-#endif
- BIO_printf(bio_err, "-paramfile file parameters file\n");
- BIO_printf(bio_err, "-algorithm alg the public key algorithm\n");
- BIO_printf(bio_err,
- "-pkeyopt opt:value set the public key algorithm option <opt>\n"
- " to value <value>\n");
- BIO_printf(bio_err,
- "-genparam generate parameters, not key\n");
- BIO_printf(bio_err, "-text print the in text\n");
- BIO_printf(bio_err,
- "NB: options order may be important! See the manual page.\n");
- goto end;
- }
+ private = do_param ? 0 : 1;
+
+ if (ctx == NULL)
+ goto opthelp;
- if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
+ if (!app_passwd(passarg, NULL, &pass, NULL)) {
BIO_puts(bio_err, "Error getting password\n");
goto end;
}
- if (outfile) {
- if (!(out = BIO_new_file(outfile, "wb"))) {
- BIO_printf(bio_err, "Can't open output file %s\n", outfile);
- goto end;
- }
- } else {
- out = BIO_new_fp(stdout, BIO_NOCLOSE);
-#ifdef OPENSSL_SYS_VMS
- {
- BIO *tmpbio = BIO_new(BIO_f_linebuffer());
- out = BIO_push(tmpbio, out);
- }
-#endif
- }
+ out = bio_open_owner(outfile, outformat, private);
+ if (out == NULL)
+ goto end;
EVP_PKEY_CTX_set_cb(ctx, genpkey_cb);
EVP_PKEY_CTX_set_app_data(ctx, bio_err);
if (do_param)
rv = PEM_write_bio_Parameters(out, pkey);
- else if (outformat == FORMAT_PEM)
+ else if (outformat == FORMAT_PEM) {
+ assert(private);
rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, pass);
- else if (outformat == FORMAT_ASN1)
+ } else if (outformat == FORMAT_ASN1) {
+ assert(private);
rv = i2d_PrivateKey_bio(out, pkey);
- else {
+ } else {
BIO_printf(bio_err, "Bad format specified for key\n");
goto end;
}
EVP_PKEY_CTX_free(ctx);
BIO_free_all(out);
BIO_free(in);
- if (pass)
- OPENSSL_free(pass);
+ OPENSSL_free(pass);
return ret;
}
-static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx,
- const char *file, ENGINE *e)
+static int init_keygen_file(EVP_PKEY_CTX **pctx, const char *file, ENGINE *e)
{
BIO *pbio;
EVP_PKEY *pkey = NULL;
EVP_PKEY_CTX *ctx = NULL;
if (*pctx) {
- BIO_puts(err, "Parameters already set!\n");
+ BIO_puts(bio_err, "Parameters already set!\n");
return 0;
}
pbio = BIO_new_file(file, "r");
if (!pbio) {
- BIO_printf(err, "Can't open parameter file %s\n", file);
+ BIO_printf(bio_err, "Can't open parameter file %s\n", file);
return 0;
}
}
ctx = EVP_PKEY_CTX_new(pkey, e);
- if (!ctx)
+ if (ctx == NULL)
goto err;
if (EVP_PKEY_keygen_init(ctx) <= 0)
goto err;
return 1;
err:
- BIO_puts(err, "Error initializing context\n");
- ERR_print_errors(err);
+ BIO_puts(bio_err, "Error initializing context\n");
+ ERR_print_errors(bio_err);
EVP_PKEY_CTX_free(ctx);
EVP_PKEY_free(pkey);
return 0;
}
-int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx,
+int init_gen_str(EVP_PKEY_CTX **pctx,
const char *algname, ENGINE *e, int do_param)
{
EVP_PKEY_CTX *ctx = NULL;
int pkey_id;
if (*pctx) {
- BIO_puts(err, "Algorithm already set!\n");
+ BIO_puts(bio_err, "Algorithm already set!\n");
return 0;
}
EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
#ifndef OPENSSL_NO_ENGINE
- if (tmpeng)
- ENGINE_finish(tmpeng);
+ ENGINE_finish(tmpeng);
#endif
ctx = EVP_PKEY_CTX_new_id(pkey_id, e);
return 1;
err:
- BIO_printf(err, "Error initializing %s context\n", algname);
- ERR_print_errors(err);
+ BIO_printf(bio_err, "Error initializing %s context\n", algname);
+ ERR_print_errors(bio_err);
EVP_PKEY_CTX_free(ctx);
return 0;
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