407 lines
10 KiB
C
407 lines
10 KiB
C
/* apps/ec.c */
|
|
/*
|
|
* Written by Nils Larsch for the OpenSSL project.
|
|
*/
|
|
/* ====================================================================
|
|
* Copyright (c) 1998-2005 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
|
|
* openssl-core@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 <openssl/opensslconf.h>
|
|
#ifndef OPENSSL_NO_EC
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "apps.h"
|
|
#include <openssl/bio.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/evp.h>
|
|
#include <openssl/pem.h>
|
|
|
|
#undef PROG
|
|
#define PROG ec_main
|
|
|
|
/* -inform arg - input format - default PEM (one of DER, NET or PEM)
|
|
* -outform arg - output format - default PEM
|
|
* -in arg - input file - default stdin
|
|
* -out arg - output file - default stdout
|
|
* -des - encrypt output if PEM format with DES in cbc mode
|
|
* -text - print a text version
|
|
* -param_out - print the elliptic curve parameters
|
|
* -conv_form arg - specifies the point encoding form
|
|
* -param_enc arg - specifies the parameter encoding
|
|
*/
|
|
|
|
int MAIN(int, char **);
|
|
|
|
int MAIN(int argc, char **argv)
|
|
{
|
|
int ret = 1;
|
|
EC_KEY *eckey = NULL;
|
|
const EC_GROUP *group;
|
|
int i, badops = 0;
|
|
const EVP_CIPHER *enc = NULL;
|
|
BIO *in = NULL, *out = NULL;
|
|
int informat, outformat, text=0, noout=0;
|
|
int pubin = 0, pubout = 0, param_out = 0;
|
|
char *infile, *outfile, *prog, *engine;
|
|
char *passargin = NULL, *passargout = NULL;
|
|
char *passin = NULL, *passout = NULL;
|
|
point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED;
|
|
int new_form = 0;
|
|
int asn1_flag = OPENSSL_EC_NAMED_CURVE;
|
|
int new_asn1_flag = 0;
|
|
|
|
apps_startup();
|
|
|
|
if (bio_err == NULL)
|
|
if ((bio_err=BIO_new(BIO_s_file())) != NULL)
|
|
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
|
|
|
|
if (!load_config(bio_err, NULL))
|
|
goto end;
|
|
|
|
engine = NULL;
|
|
infile = NULL;
|
|
outfile = NULL;
|
|
informat = FORMAT_PEM;
|
|
outformat = FORMAT_PEM;
|
|
|
|
prog = argv[0];
|
|
argc--;
|
|
argv++;
|
|
while (argc >= 1)
|
|
{
|
|
if (strcmp(*argv,"-inform") == 0)
|
|
{
|
|
if (--argc < 1) goto bad;
|
|
informat=str2fmt(*(++argv));
|
|
}
|
|
else if (strcmp(*argv,"-outform") == 0)
|
|
{
|
|
if (--argc < 1) goto bad;
|
|
outformat=str2fmt(*(++argv));
|
|
}
|
|
else if (strcmp(*argv,"-in") == 0)
|
|
{
|
|
if (--argc < 1) goto bad;
|
|
infile= *(++argv);
|
|
}
|
|
else if (strcmp(*argv,"-out") == 0)
|
|
{
|
|
if (--argc < 1) goto bad;
|
|
outfile= *(++argv);
|
|
}
|
|
else if (strcmp(*argv,"-passin") == 0)
|
|
{
|
|
if (--argc < 1) goto bad;
|
|
passargin= *(++argv);
|
|
}
|
|
else if (strcmp(*argv,"-passout") == 0)
|
|
{
|
|
if (--argc < 1) goto bad;
|
|
passargout= *(++argv);
|
|
}
|
|
else if (strcmp(*argv, "-engine") == 0)
|
|
{
|
|
if (--argc < 1) goto bad;
|
|
engine= *(++argv);
|
|
}
|
|
else if (strcmp(*argv, "-noout") == 0)
|
|
noout = 1;
|
|
else if (strcmp(*argv, "-text") == 0)
|
|
text = 1;
|
|
else if (strcmp(*argv, "-conv_form") == 0)
|
|
{
|
|
if (--argc < 1)
|
|
goto bad;
|
|
++argv;
|
|
new_form = 1;
|
|
if (strcmp(*argv, "compressed") == 0)
|
|
form = POINT_CONVERSION_COMPRESSED;
|
|
else if (strcmp(*argv, "uncompressed") == 0)
|
|
form = POINT_CONVERSION_UNCOMPRESSED;
|
|
else if (strcmp(*argv, "hybrid") == 0)
|
|
form = POINT_CONVERSION_HYBRID;
|
|
else
|
|
goto bad;
|
|
}
|
|
else if (strcmp(*argv, "-param_enc") == 0)
|
|
{
|
|
if (--argc < 1)
|
|
goto bad;
|
|
++argv;
|
|
new_asn1_flag = 1;
|
|
if (strcmp(*argv, "named_curve") == 0)
|
|
asn1_flag = OPENSSL_EC_NAMED_CURVE;
|
|
else if (strcmp(*argv, "explicit") == 0)
|
|
asn1_flag = 0;
|
|
else
|
|
goto bad;
|
|
}
|
|
else if (strcmp(*argv, "-param_out") == 0)
|
|
param_out = 1;
|
|
else if (strcmp(*argv, "-pubin") == 0)
|
|
pubin=1;
|
|
else if (strcmp(*argv, "-pubout") == 0)
|
|
pubout=1;
|
|
else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
|
|
{
|
|
BIO_printf(bio_err, "unknown option %s\n", *argv);
|
|
badops=1;
|
|
break;
|
|
}
|
|
argc--;
|
|
argv++;
|
|
}
|
|
|
|
if (badops)
|
|
{
|
|
bad:
|
|
BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
|
|
BIO_printf(bio_err, "where options are\n");
|
|
BIO_printf(bio_err, " -inform arg input format - "
|
|
"DER or PEM\n");
|
|
BIO_printf(bio_err, " -outform arg output format - "
|
|
"DER or PEM\n");
|
|
BIO_printf(bio_err, " -in arg input file\n");
|
|
BIO_printf(bio_err, " -passin arg input file pass "
|
|
"phrase source\n");
|
|
BIO_printf(bio_err, " -out arg output file\n");
|
|
BIO_printf(bio_err, " -passout arg output file pass "
|
|
"phrase source\n");
|
|
BIO_printf(bio_err, " -engine e use engine e, "
|
|
"possibly a hardware device.\n");
|
|
BIO_printf(bio_err, " -des encrypt PEM output, "
|
|
"instead of 'des' every other \n"
|
|
" cipher "
|
|
"supported by OpenSSL can be used\n");
|
|
BIO_printf(bio_err, " -text print the key\n");
|
|
BIO_printf(bio_err, " -noout don't print key out\n");
|
|
BIO_printf(bio_err, " -param_out print the elliptic "
|
|
"curve parameters\n");
|
|
BIO_printf(bio_err, " -conv_form arg specifies the "
|
|
"point conversion form \n");
|
|
BIO_printf(bio_err, " possible values:"
|
|
" compressed\n");
|
|
BIO_printf(bio_err, " "
|
|
" uncompressed (default)\n");
|
|
BIO_printf(bio_err, " "
|
|
" hybrid\n");
|
|
BIO_printf(bio_err, " -param_enc arg specifies the way"
|
|
" the ec parameters are encoded\n");
|
|
BIO_printf(bio_err, " in the asn1 der "
|
|
"encoding\n");
|
|
BIO_printf(bio_err, " possible values:"
|
|
" named_curve (default)\n");
|
|
BIO_printf(bio_err," "
|
|
"explicit\n");
|
|
goto end;
|
|
}
|
|
|
|
ERR_load_crypto_strings();
|
|
|
|
#ifndef OPENSSL_NO_ENGINE
|
|
setup_engine(bio_err, engine, 0);
|
|
#endif
|
|
|
|
if(!app_passwd(bio_err, passargin, passargout, &passin, &passout))
|
|
{
|
|
BIO_printf(bio_err, "Error getting passwords\n");
|
|
goto end;
|
|
}
|
|
|
|
in = BIO_new(BIO_s_file());
|
|
out = BIO_new(BIO_s_file());
|
|
if ((in == NULL) || (out == NULL))
|
|
{
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
if (infile == NULL)
|
|
BIO_set_fp(in, stdin, BIO_NOCLOSE);
|
|
else
|
|
{
|
|
if (BIO_read_filename(in, infile) <= 0)
|
|
{
|
|
perror(infile);
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
BIO_printf(bio_err, "read EC key\n");
|
|
if (informat == FORMAT_ASN1)
|
|
{
|
|
if (pubin)
|
|
eckey = d2i_EC_PUBKEY_bio(in, NULL);
|
|
else
|
|
eckey = d2i_ECPrivateKey_bio(in, NULL);
|
|
}
|
|
else if (informat == FORMAT_PEM)
|
|
{
|
|
if (pubin)
|
|
eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL,
|
|
NULL);
|
|
else
|
|
eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL,
|
|
passin);
|
|
}
|
|
else
|
|
{
|
|
BIO_printf(bio_err, "bad input format specified for key\n");
|
|
goto end;
|
|
}
|
|
if (eckey == NULL)
|
|
{
|
|
BIO_printf(bio_err,"unable to load Key\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
if (outfile == NULL)
|
|
{
|
|
BIO_set_fp(out, stdout, BIO_NOCLOSE);
|
|
#ifdef OPENSSL_SYS_VMS
|
|
{
|
|
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
|
|
out = BIO_push(tmpbio, out);
|
|
}
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
if (BIO_write_filename(out, outfile) <= 0)
|
|
{
|
|
perror(outfile);
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
group = EC_KEY_get0_group(eckey);
|
|
|
|
if (new_form)
|
|
EC_KEY_set_conv_form(eckey, form);
|
|
|
|
if (new_asn1_flag)
|
|
EC_KEY_set_asn1_flag(eckey, asn1_flag);
|
|
|
|
if (text)
|
|
if (!EC_KEY_print(out, eckey, 0))
|
|
{
|
|
perror(outfile);
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
|
|
if (noout)
|
|
{
|
|
ret = 0;
|
|
goto end;
|
|
}
|
|
|
|
BIO_printf(bio_err, "writing EC key\n");
|
|
if (outformat == FORMAT_ASN1)
|
|
{
|
|
if (param_out)
|
|
i = i2d_ECPKParameters_bio(out, group);
|
|
else if (pubin || pubout)
|
|
i = i2d_EC_PUBKEY_bio(out, eckey);
|
|
else
|
|
i = i2d_ECPrivateKey_bio(out, eckey);
|
|
}
|
|
else if (outformat == FORMAT_PEM)
|
|
{
|
|
if (param_out)
|
|
i = PEM_write_bio_ECPKParameters(out, group);
|
|
else if (pubin || pubout)
|
|
i = PEM_write_bio_EC_PUBKEY(out, eckey);
|
|
else
|
|
i = PEM_write_bio_ECPrivateKey(out, eckey, enc,
|
|
NULL, 0, NULL, passout);
|
|
}
|
|
else
|
|
{
|
|
BIO_printf(bio_err, "bad output format specified for "
|
|
"outfile\n");
|
|
goto end;
|
|
}
|
|
|
|
if (!i)
|
|
{
|
|
BIO_printf(bio_err, "unable to write private key\n");
|
|
ERR_print_errors(bio_err);
|
|
}
|
|
else
|
|
ret=0;
|
|
end:
|
|
if (in)
|
|
BIO_free(in);
|
|
if (out)
|
|
BIO_free_all(out);
|
|
if (eckey)
|
|
EC_KEY_free(eckey);
|
|
if (passin)
|
|
OPENSSL_free(passin);
|
|
if (passout)
|
|
OPENSSL_free(passout);
|
|
apps_shutdown();
|
|
OPENSSL_EXIT(ret);
|
|
}
|
|
#else /* !OPENSSL_NO_EC */
|
|
|
|
# if PEDANTIC
|
|
static void *dummy=&dummy;
|
|
# endif
|
|
|
|
#endif
|