Commit f5cda4cb authored by Dr. Stephen Henson's avatar Dr. Stephen Henson
Browse files

Initial keygen support.

parent f9a6348a
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+7 −1
Original line number Diff line number Diff line
@@ -4,6 +4,12 @@

 Changes between 0.9.8a and 0.9.9  [xx XXX xxxx]

  *) New utility "genpkey" this is analagous to "genrsa" etc except it can
     generate keys for any algorithm. Extend and update EVP_PKEY_METHOD to
     support key and parameter generation and add initial key generation
     functionality for RSA.
     [Steve Henson]

  *) Add functions for main EVP_PKEY_method operations. The undocumented
     functions EVP_PKEY_{encrypt,decrypt} have been renamed to
     EVP_PKEY_{encrypt,decrypt}_old. 
@@ -27,7 +33,7 @@
     [Steve Henson]

  *) New utilities pkey and pkeyparam. These are similar to algorithm specific
     utilities such as rsa, dsa, dsaparam etc except they processes any key
     utilities such as rsa, dsa, dsaparam etc except they process any key
     type.
     [Steve Henson]

+3 −3
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ EXE= $(PROGRAM)$(EXE_EXT)

E_EXE=	verify asn1pars req dgst dh dhparam enc passwd gendh errstr \
	ca crl rsa rsautl dsa dsaparam ec ecparam \
	x509 genrsa gendsa s_server s_client speed \
	x509 genrsa gendsa genpkey s_server s_client speed \
	s_time version pkcs7 crl2pkcs7 sess_id ciphers nseq pkcs12 \
	pkcs8 pkey pkeyparam pkeyutl spkac smime rand engine ocsp prime ts

@@ -53,7 +53,7 @@ RAND_SRC=app_rand.c
E_OBJ=	verify.o asn1pars.o req.o dgst.o dh.o dhparam.o enc.o passwd.o gendh.o errstr.o \
	ca.o pkcs7.o crl2p7.o crl.o \
	rsa.o rsautl.o dsa.o dsaparam.o ec.o ecparam.o \
	x509.o genrsa.o gendsa.o s_server.o s_client.o speed.o \
	x509.o genrsa.o gendsa.o genpkey.o s_server.o s_client.o speed.o \
	s_time.o $(A_OBJ) $(S_OBJ) $(RAND_OBJ) version.o sess_id.o \
	ciphers.o nseq.o pkcs12.o pkcs8.o pkey.o pkeyparam.o pkeyutl.o \
	spkac.o smime.o rand.o engine.o ocsp.o prime.o ts.o
@@ -61,7 +61,7 @@ E_OBJ= verify.o asn1pars.o req.o dgst.o dh.o dhparam.o enc.o passwd.o gendh.o er
E_SRC=	verify.c asn1pars.c req.c dgst.c dh.c enc.c passwd.c gendh.c errstr.c ca.c \
	pkcs7.c crl2p7.c crl.c \
	rsa.c rsautl.c dsa.c dsaparam.c ec.c ecparam.c \
	x509.c genrsa.c gendsa.c s_server.c s_client.c speed.c \
	x509.c genrsa.c gendsa.c genpkey.c s_server.c s_client.c speed.c \
	s_time.c $(A_SRC) $(S_SRC) $(RAND_SRC) version.c sess_id.c \
	ciphers.c nseq.c pkcs12.c pkcs8.c pkey.c pkeyparam.c pkeyutl.c \
	spkac.c smime.c rand.c engine.c ocsp.c prime.c ts.c

apps/genpkey.c

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+375 −0
Original line number Diff line number Diff line
/* apps/genpkey.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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>

static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx,
				const char *file, ENGINE *e);
static int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx,
				const char *algname, ENGINE *e, int do_param);
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;

	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 (!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, 0))
				goto end;
			}
		else if (strcmp(*args,"-param") == 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,"-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;
				}
			}
		args++;
		}

	if (!ctx)
		badarg = 1;

	if (badarg)
		{
		bad:
		BIO_printf(bio_err, "Usage genpkey [options]\n");
		BIO_printf(bio_err, "where options are\n");
		BIO_printf(bio_err, "-paramfile file parameter file\n");
		BIO_printf(bio_err, "-pass arg       output file pass phrase source\n");
		BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
		BIO_printf(bio_err, "-out file       output file\n");
#ifndef OPENSSL_NO_ENGINE
		BIO_printf(bio_err, "-engine e       use engine e, possibly a hardware device.\n");
#endif
		return 1;
		}

	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 (EVP_PKEY_keygen(ctx, &pkey) <= 0)
		{
		BIO_puts(bio_err, "Error generating key\n");
		goto end;
		}

	if (outformat == FORMAT_PEM) 
		PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0,
								NULL, pass);
	else if (outformat == FORMAT_ASN1)
		i2d_PrivateKey_bio(out, pkey);
	else
		{
		BIO_printf(bio_err, "Bad format specified for key\n");
		goto end;
		}


	if (text)
		EVP_PKEY_print_private(out, pkey, 0, NULL);

	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;

	}

static 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;
	int pkey_id;
	if (*pctx)
		{
		BIO_puts(err, "Algorithm already set!\n");
		return 0;
		}

	ameth = EVP_PKEY_asn1_find_str(algname, -1);
	if (!ameth)
		{
		BIO_printf(bio_err, "Algorithm %s not found\n", algname);
		return 0;
		}

	EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
	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;
	}
+1 −1
Original line number Diff line number Diff line
@@ -435,7 +435,7 @@ static EVP_PKEY_CTX *init_ctx(int *pkeysize,
	if (!pkey)
		goto end;

	ctx = EVP_PKEY_CTX_new(pkey);
	ctx = EVP_PKEY_CTX_new(pkey, NULL);

	EVP_PKEY_free(pkey);

+2 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ extern int ecparam_main(int argc,char *argv[]);
extern int x509_main(int argc,char *argv[]);
extern int genrsa_main(int argc,char *argv[]);
extern int gendsa_main(int argc,char *argv[]);
extern int genpkey_main(int argc,char *argv[]);
extern int s_server_main(int argc,char *argv[]);
extern int s_client_main(int argc,char *argv[]);
extern int speed_main(int argc,char *argv[]);
@@ -100,6 +101,7 @@ FUNCTION functions[] = {
#ifndef OPENSSL_NO_DSA
	{FUNC_TYPE_GENERAL,"gendsa",gendsa_main},
#endif
	{FUNC_TYPE_GENERAL,"genpkey",genpkey_main},
#if !defined(OPENSSL_NO_SOCK) && !(defined(OPENSSL_NO_SSL2) && defined(OPENSSL_NO_SSL3))
	{FUNC_TYPE_GENERAL,"s_server",s_server_main},
#endif
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