| Index: openssl/apps/genpkey.c
|
| ===================================================================
|
| --- openssl/apps/genpkey.c (revision 0)
|
| +++ openssl/apps/genpkey.c (revision 0)
|
| @@ -0,0 +1,440 @@
|
| +/* 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).
|
| + *
|
| + */
|
| +#include <stdio.h>
|
| +#include <string.h>
|
| +#include "apps.h"
|
| +#include <openssl/pem.h>
|
| +#include <openssl/err.h>
|
| +#include <openssl/evp.h>
|
| +#ifndef OPENSSL_NO_ENGINE
|
| +#include <openssl/engine.h>
|
| +#endif
|
| +
|
| +static int init_keygen_file(BIO *err, 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 **);
|
| +
|
| +int 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;
|
| + 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++;
|
| + if (do_param == 1)
|
| + goto bad;
|
| + if (!init_keygen_file(bio_err, &ctx, *args, 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))
|
| + 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");
|
| + ERR_print_errors(bio_err);
|
| + goto end;
|
| + }
|
| + }
|
| + else if (strcmp(*args,"-genparam") == 0)
|
| + {
|
| + if (ctx)
|
| + goto bad;
|
| + do_param = 1;
|
| + }
|
| + else if (strcmp(*args,"-text") == 0)
|
| + 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;
|
| + }
|
| + args++;
|
| + }
|
| +
|
| + 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;
|
| + }
|
| +
|
| + if (!app_passwd(bio_err, 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
|
| + }
|
| +
|
| + EVP_PKEY_CTX_set_cb(ctx, genpkey_cb);
|
| + EVP_PKEY_CTX_set_app_data(ctx, bio_err);
|
| +
|
| + if (do_param)
|
| + {
|
| + if (EVP_PKEY_paramgen(ctx, &pkey) <= 0)
|
| + {
|
| + BIO_puts(bio_err, "Error generating parameters\n");
|
| + ERR_print_errors(bio_err);
|
| + goto end;
|
| + }
|
| + }
|
| + else
|
| + {
|
| + if (EVP_PKEY_keygen(ctx, &pkey) <= 0)
|
| + {
|
| + BIO_puts(bio_err, "Error generating key\n");
|
| + ERR_print_errors(bio_err);
|
| + goto end;
|
| + }
|
| + }
|
| +
|
| + if (do_param)
|
| + rv = PEM_write_bio_Parameters(out, pkey);
|
| + else if (outformat == FORMAT_PEM)
|
| + rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0,
|
| + NULL, pass);
|
| + else if (outformat == FORMAT_ASN1)
|
| + rv = i2d_PrivateKey_bio(out, pkey);
|
| + else
|
| + {
|
| + BIO_printf(bio_err, "Bad format specified for key\n");
|
| + goto end;
|
| + }
|
| +
|
| + if (rv <= 0)
|
| + {
|
| + BIO_puts(bio_err, "Error writing key\n");
|
| + ERR_print_errors(bio_err);
|
| + }
|
| +
|
| + if (text)
|
| + {
|
| + if (do_param)
|
| + rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
|
| + else
|
| + rv = EVP_PKEY_print_private(out, pkey, 0, NULL);
|
| +
|
| + if (rv <= 0)
|
| + {
|
| + BIO_puts(bio_err, "Error printing key\n");
|
| + ERR_print_errors(bio_err);
|
| + }
|
| + }
|
| +
|
| + ret = 0;
|
| +
|
| + end:
|
| + if (pkey)
|
| + EVP_PKEY_free(pkey);
|
| + if (ctx)
|
| + EVP_PKEY_CTX_free(ctx);
|
| + if (out)
|
| + BIO_free_all(out);
|
| + BIO_free(in);
|
| + if (pass)
|
| + OPENSSL_free(pass);
|
| +
|
| + return ret;
|
| + }
|
| +
|
| +static int init_keygen_file(BIO *err, 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");
|
| + return 0;
|
| + }
|
| +
|
| + pbio = BIO_new_file(file, "r");
|
| + if (!pbio)
|
| + {
|
| + BIO_printf(err, "Can't open parameter file %s\n", file);
|
| + return 0;
|
| + }
|
| +
|
| + pkey = PEM_read_bio_Parameters(pbio, NULL);
|
| + BIO_free(pbio);
|
| +
|
| + if (!pkey)
|
| + {
|
| + BIO_printf(bio_err, "Error reading parameter file %s\n", file);
|
| + return 0;
|
| + }
|
| +
|
| + ctx = EVP_PKEY_CTX_new(pkey, e);
|
| + if (!ctx)
|
| + goto err;
|
| + if (EVP_PKEY_keygen_init(ctx) <= 0)
|
| + goto err;
|
| + EVP_PKEY_free(pkey);
|
| + *pctx = ctx;
|
| + return 1;
|
| +
|
| + err:
|
| + BIO_puts(err, "Error initializing context\n");
|
| + ERR_print_errors(err);
|
| + if (ctx)
|
| + EVP_PKEY_CTX_free(ctx);
|
| + if (pkey)
|
| + EVP_PKEY_free(pkey);
|
| + return 0;
|
| +
|
| + }
|
| +
|
| +int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx,
|
| + const char *algname, ENGINE *e, int do_param)
|
| + {
|
| + EVP_PKEY_CTX *ctx = NULL;
|
| + const EVP_PKEY_ASN1_METHOD *ameth;
|
| + ENGINE *tmpeng = NULL;
|
| + int pkey_id;
|
| +
|
| + if (*pctx)
|
| + {
|
| + BIO_puts(err, "Algorithm already set!\n");
|
| + return 0;
|
| + }
|
| +
|
| + ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1);
|
| +
|
| +#ifndef OPENSSL_NO_ENGINE
|
| + if (!ameth && e)
|
| + ameth = ENGINE_get_pkey_asn1_meth_str(e, algname, -1);
|
| +#endif
|
| +
|
| + if (!ameth)
|
| + {
|
| + BIO_printf(bio_err, "Algorithm %s not found\n", algname);
|
| + return 0;
|
| + }
|
| +
|
| + ERR_clear_error();
|
| +
|
| + EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
|
| +#ifndef OPENSSL_NO_ENGINE
|
| + if (tmpeng)
|
| + ENGINE_finish(tmpeng);
|
| +#endif
|
| + ctx = EVP_PKEY_CTX_new_id(pkey_id, e);
|
| +
|
| + if (!ctx)
|
| + goto err;
|
| + if (do_param)
|
| + {
|
| + if (EVP_PKEY_paramgen_init(ctx) <= 0)
|
| + goto err;
|
| + }
|
| + else
|
| + {
|
| + if (EVP_PKEY_keygen_init(ctx) <= 0)
|
| + goto err;
|
| + }
|
| +
|
| + *pctx = ctx;
|
| + return 1;
|
| +
|
| + err:
|
| + BIO_printf(err, "Error initializing %s context\n", algname);
|
| + ERR_print_errors(err);
|
| + if (ctx)
|
| + EVP_PKEY_CTX_free(ctx);
|
| + return 0;
|
| +
|
| + }
|
| +
|
| +static int genpkey_cb(EVP_PKEY_CTX *ctx)
|
| + {
|
| + char c='*';
|
| + BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
|
| + int p;
|
| + p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
|
| + if (p == 0) c='.';
|
| + if (p == 1) c='+';
|
| + if (p == 2) c='*';
|
| + if (p == 3) c='\n';
|
| + BIO_write(b,&c,1);
|
| + (void)BIO_flush(b);
|
| +#ifdef LINT
|
| + p=n;
|
| +#endif
|
| + return 1;
|
| + }
|
|
|