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658 lines
23 KiB
658 lines
23 KiB
/* apps/ecparam.c */ |
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/* |
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* Written by Nils Larsch for the OpenSSL project. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@openssl.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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/* ==================================================================== |
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* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
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* |
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* Portions of the attached software ("Contribution") are developed by |
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* SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. |
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* |
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* The Contribution is licensed pursuant to the OpenSSL open source |
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* license provided above. |
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* |
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* The elliptic curve binary polynomial software is originally written by |
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* Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories. |
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* |
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*/ |
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|
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#include <openssl/opensslconf.h> |
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#ifndef OPENSSL_NO_EC |
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# include <assert.h> |
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# include <stdio.h> |
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# include <stdlib.h> |
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# include <time.h> |
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# include <string.h> |
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# include "apps.h" |
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# include <openssl/bio.h> |
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# include <openssl/err.h> |
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# include <openssl/bn.h> |
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# include <openssl/ec.h> |
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# include <openssl/x509.h> |
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# include <openssl/pem.h> |
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|
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# undef PROG |
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# define PROG ecparam_main |
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|
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/*- |
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* -inform arg - input format - default PEM (DER or PEM) |
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* -outform arg - output format - default PEM |
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* -in arg - input file - default stdin |
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* -out arg - output file - default stdout |
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* -noout - do not print the ec parameter |
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* -text - print the ec parameters in text form |
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* -check - validate the ec parameters |
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* -C - print a 'C' function creating the parameters |
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* -name arg - use the ec parameters with 'short name' name |
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* -list_curves - prints a list of all currently available curve 'short names' |
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* -conv_form arg - specifies the point conversion form |
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* - possible values: compressed |
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* uncompressed (default) |
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* hybrid |
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* -param_enc arg - specifies the way the ec parameters are encoded |
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* in the asn1 der encoding |
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* possible values: named_curve (default) |
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* explicit |
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* -no_seed - if 'explicit' parameters are chosen do not use the seed |
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* -genkey - generate ec key |
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* -rand file - files to use for random number input |
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* -engine e - use engine e, possibly a hardware device |
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*/ |
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static int ecparam_print_var(BIO *, BIGNUM *, const char *, int, |
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unsigned char *); |
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|
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int MAIN(int, char **); |
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|
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int MAIN(int argc, char **argv) |
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{ |
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EC_GROUP *group = NULL; |
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point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED; |
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int new_form = 0; |
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int asn1_flag = OPENSSL_EC_NAMED_CURVE; |
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int new_asn1_flag = 0; |
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char *curve_name = NULL, *inrand = NULL; |
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int list_curves = 0, no_seed = 0, check = 0, |
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badops = 0, text = 0, i, need_rand = 0, genkey = 0; |
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char *infile = NULL, *outfile = NULL, *prog; |
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BIO *in = NULL, *out = NULL; |
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int informat, outformat, noout = 0, C = 0, ret = 1; |
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char *engine = NULL; |
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BIGNUM *ec_p = NULL, *ec_a = NULL, *ec_b = NULL, |
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*ec_gen = NULL, *ec_order = NULL, *ec_cofactor = NULL; |
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unsigned char *buffer = NULL; |
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apps_startup(); |
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if (bio_err == NULL) |
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if ((bio_err = BIO_new(BIO_s_file())) != NULL) |
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BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); |
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|
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if (!load_config(bio_err, NULL)) |
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goto end; |
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informat = FORMAT_PEM; |
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outformat = FORMAT_PEM; |
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prog = argv[0]; |
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argc--; |
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argv++; |
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while (argc >= 1) { |
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if (strcmp(*argv, "-inform") == 0) { |
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if (--argc < 1) |
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goto bad; |
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informat = str2fmt(*(++argv)); |
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} else if (strcmp(*argv, "-outform") == 0) { |
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if (--argc < 1) |
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goto bad; |
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outformat = str2fmt(*(++argv)); |
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} else if (strcmp(*argv, "-in") == 0) { |
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if (--argc < 1) |
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goto bad; |
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infile = *(++argv); |
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} else if (strcmp(*argv, "-out") == 0) { |
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if (--argc < 1) |
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goto bad; |
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outfile = *(++argv); |
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} else if (strcmp(*argv, "-text") == 0) |
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text = 1; |
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else if (strcmp(*argv, "-C") == 0) |
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C = 1; |
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else if (strcmp(*argv, "-check") == 0) |
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check = 1; |
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else if (strcmp(*argv, "-name") == 0) { |
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if (--argc < 1) |
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goto bad; |
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curve_name = *(++argv); |
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} else if (strcmp(*argv, "-list_curves") == 0) |
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list_curves = 1; |
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else if (strcmp(*argv, "-conv_form") == 0) { |
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if (--argc < 1) |
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goto bad; |
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++argv; |
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new_form = 1; |
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if (strcmp(*argv, "compressed") == 0) |
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form = POINT_CONVERSION_COMPRESSED; |
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else if (strcmp(*argv, "uncompressed") == 0) |
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form = POINT_CONVERSION_UNCOMPRESSED; |
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else if (strcmp(*argv, "hybrid") == 0) |
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form = POINT_CONVERSION_HYBRID; |
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else |
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goto bad; |
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} else if (strcmp(*argv, "-param_enc") == 0) { |
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if (--argc < 1) |
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goto bad; |
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++argv; |
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new_asn1_flag = 1; |
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if (strcmp(*argv, "named_curve") == 0) |
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asn1_flag = OPENSSL_EC_NAMED_CURVE; |
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else if (strcmp(*argv, "explicit") == 0) |
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asn1_flag = 0; |
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else |
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goto bad; |
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} else if (strcmp(*argv, "-no_seed") == 0) |
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no_seed = 1; |
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else if (strcmp(*argv, "-noout") == 0) |
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noout = 1; |
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else if (strcmp(*argv, "-genkey") == 0) { |
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genkey = 1; |
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need_rand = 1; |
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} else if (strcmp(*argv, "-rand") == 0) { |
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if (--argc < 1) |
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goto bad; |
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inrand = *(++argv); |
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need_rand = 1; |
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} else if (strcmp(*argv, "-engine") == 0) { |
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if (--argc < 1) |
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goto bad; |
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engine = *(++argv); |
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} else { |
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BIO_printf(bio_err, "unknown option %s\n", *argv); |
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badops = 1; |
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break; |
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} |
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argc--; |
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argv++; |
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} |
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if (badops) { |
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bad: |
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BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); |
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BIO_printf(bio_err, "where options are\n"); |
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BIO_printf(bio_err, " -inform arg input format - " |
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"default PEM (DER or PEM)\n"); |
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BIO_printf(bio_err, " -outform arg output format - " |
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"default PEM\n"); |
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BIO_printf(bio_err, " -in arg input file - " |
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"default stdin\n"); |
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BIO_printf(bio_err, " -out arg output file - " |
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"default stdout\n"); |
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BIO_printf(bio_err, " -noout do not print the " |
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"ec parameter\n"); |
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BIO_printf(bio_err, " -text print the ec " |
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"parameters in text form\n"); |
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BIO_printf(bio_err, " -check validate the ec " |
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"parameters\n"); |
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BIO_printf(bio_err, " -C print a 'C' " |
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"function creating the parameters\n"); |
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BIO_printf(bio_err, " -name arg use the " |
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"ec parameters with 'short name' name\n"); |
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BIO_printf(bio_err, " -list_curves prints a list of " |
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"all currently available curve 'short names'\n"); |
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BIO_printf(bio_err, " -conv_form arg specifies the " |
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"point conversion form \n"); |
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BIO_printf(bio_err, " possible values:" |
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" compressed\n"); |
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BIO_printf(bio_err, " " |
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" uncompressed (default)\n"); |
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BIO_printf(bio_err, " " |
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" hybrid\n"); |
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BIO_printf(bio_err, " -param_enc arg specifies the way" |
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" the ec parameters are encoded\n"); |
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BIO_printf(bio_err, " in the asn1 der " |
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"encoding\n"); |
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BIO_printf(bio_err, " possible values:" |
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" named_curve (default)\n"); |
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BIO_printf(bio_err, " " |
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" explicit\n"); |
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BIO_printf(bio_err, " -no_seed if 'explicit'" |
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" parameters are chosen do not" " use the seed\n"); |
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BIO_printf(bio_err, " -genkey generate ec" " key\n"); |
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BIO_printf(bio_err, " -rand file files to use for" |
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" random number input\n"); |
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BIO_printf(bio_err, " -engine e use engine e, " |
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"possibly a hardware device\n"); |
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goto end; |
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} |
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ERR_load_crypto_strings(); |
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in = BIO_new(BIO_s_file()); |
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out = BIO_new(BIO_s_file()); |
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if ((in == NULL) || (out == NULL)) { |
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ERR_print_errors(bio_err); |
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goto end; |
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} |
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if (infile == NULL) |
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BIO_set_fp(in, stdin, BIO_NOCLOSE); |
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else { |
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if (BIO_read_filename(in, infile) <= 0) { |
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perror(infile); |
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goto end; |
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} |
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} |
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if (outfile == NULL) { |
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BIO_set_fp(out, stdout, BIO_NOCLOSE); |
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# ifdef OPENSSL_SYS_VMS |
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{ |
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BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
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out = BIO_push(tmpbio, out); |
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} |
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# endif |
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} else { |
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if (BIO_write_filename(out, outfile) <= 0) { |
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perror(outfile); |
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goto end; |
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} |
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} |
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# ifndef OPENSSL_NO_ENGINE |
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setup_engine(bio_err, engine, 0); |
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# endif |
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if (list_curves) { |
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EC_builtin_curve *curves = NULL; |
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size_t crv_len = 0; |
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size_t n = 0; |
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crv_len = EC_get_builtin_curves(NULL, 0); |
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curves = OPENSSL_malloc((int)(sizeof(EC_builtin_curve) * crv_len)); |
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if (curves == NULL) |
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goto end; |
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if (!EC_get_builtin_curves(curves, crv_len)) { |
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OPENSSL_free(curves); |
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goto end; |
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} |
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for (n = 0; n < crv_len; n++) { |
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const char *comment; |
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const char *sname; |
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comment = curves[n].comment; |
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sname = OBJ_nid2sn(curves[n].nid); |
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if (comment == NULL) |
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comment = "CURVE DESCRIPTION NOT AVAILABLE"; |
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if (sname == NULL) |
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sname = ""; |
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BIO_printf(out, " %-10s: ", sname); |
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BIO_printf(out, "%s\n", comment); |
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} |
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OPENSSL_free(curves); |
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ret = 0; |
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goto end; |
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} |
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if (curve_name != NULL) { |
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int nid; |
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/* |
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* workaround for the SECG curve names secp192r1 and secp256r1 (which |
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* are the same as the curves prime192v1 and prime256v1 defined in |
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* X9.62) |
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*/ |
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if (!strcmp(curve_name, "secp192r1")) { |
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BIO_printf(bio_err, "using curve name prime192v1 " |
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"instead of secp192r1\n"); |
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nid = NID_X9_62_prime192v1; |
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} else if (!strcmp(curve_name, "secp256r1")) { |
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BIO_printf(bio_err, "using curve name prime256v1 " |
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"instead of secp256r1\n"); |
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nid = NID_X9_62_prime256v1; |
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} else |
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nid = OBJ_sn2nid(curve_name); |
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|
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if (nid == 0) { |
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BIO_printf(bio_err, "unknown curve name (%s)\n", curve_name); |
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goto end; |
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} |
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group = EC_GROUP_new_by_curve_name(nid); |
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if (group == NULL) { |
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BIO_printf(bio_err, "unable to create curve (%s)\n", curve_name); |
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goto end; |
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} |
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EC_GROUP_set_asn1_flag(group, asn1_flag); |
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EC_GROUP_set_point_conversion_form(group, form); |
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} else if (informat == FORMAT_ASN1) { |
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group = d2i_ECPKParameters_bio(in, NULL); |
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} else if (informat == FORMAT_PEM) { |
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group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL); |
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} else { |
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BIO_printf(bio_err, "bad input format specified\n"); |
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goto end; |
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} |
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|
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if (group == NULL) { |
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BIO_printf(bio_err, "unable to load elliptic curve parameters\n"); |
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ERR_print_errors(bio_err); |
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goto end; |
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} |
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if (new_form) |
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EC_GROUP_set_point_conversion_form(group, form); |
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|
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if (new_asn1_flag) |
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EC_GROUP_set_asn1_flag(group, asn1_flag); |
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|
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if (no_seed) { |
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EC_GROUP_set_seed(group, NULL, 0); |
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} |
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if (text) { |
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if (!ECPKParameters_print(out, group, 0)) |
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goto end; |
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} |
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if (check) { |
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BIO_printf(bio_err, "checking elliptic curve parameters: "); |
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if (!EC_GROUP_check(group, NULL)) { |
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BIO_printf(bio_err, "failed\n"); |
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ERR_print_errors(bio_err); |
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goto end; |
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} |
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BIO_printf(bio_err, "ok\n"); |
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|
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} |
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if (C) { |
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size_t buf_len = 0, tmp_len = 0; |
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const EC_POINT *point; |
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int is_prime, len = 0; |
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const EC_METHOD *meth = EC_GROUP_method_of(group); |
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|
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if ((ec_p = BN_new()) == NULL || (ec_a = BN_new()) == NULL || |
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(ec_b = BN_new()) == NULL || (ec_gen = BN_new()) == NULL || |
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(ec_order = BN_new()) == NULL || |
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(ec_cofactor = BN_new()) == NULL) { |
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perror("OPENSSL_malloc"); |
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goto end; |
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} |
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|
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is_prime = (EC_METHOD_get_field_type(meth) == NID_X9_62_prime_field); |
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|
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if (is_prime) { |
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if (!EC_GROUP_get_curve_GFp(group, ec_p, ec_a, ec_b, NULL)) |
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goto end; |
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} else { |
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/* TODO */ |
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goto end; |
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} |
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|
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if ((point = EC_GROUP_get0_generator(group)) == NULL) |
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goto end; |
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if (!EC_POINT_point2bn(group, point, |
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EC_GROUP_get_point_conversion_form(group), |
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ec_gen, NULL)) |
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goto end; |
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if (!EC_GROUP_get_order(group, ec_order, NULL)) |
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goto end; |
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if (!EC_GROUP_get_cofactor(group, ec_cofactor, NULL)) |
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goto end; |
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|
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if (!ec_p || !ec_a || !ec_b || !ec_gen || !ec_order || !ec_cofactor) |
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goto end; |
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|
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len = BN_num_bits(ec_order); |
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|
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if ((tmp_len = (size_t)BN_num_bytes(ec_p)) > buf_len) |
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buf_len = tmp_len; |
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if ((tmp_len = (size_t)BN_num_bytes(ec_a)) > buf_len) |
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buf_len = tmp_len; |
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if ((tmp_len = (size_t)BN_num_bytes(ec_b)) > buf_len) |
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buf_len = tmp_len; |
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if ((tmp_len = (size_t)BN_num_bytes(ec_gen)) > buf_len) |
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buf_len = tmp_len; |
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if ((tmp_len = (size_t)BN_num_bytes(ec_order)) > buf_len) |
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buf_len = tmp_len; |
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if ((tmp_len = (size_t)BN_num_bytes(ec_cofactor)) > buf_len) |
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buf_len = tmp_len; |
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|
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buffer = (unsigned char *)OPENSSL_malloc(buf_len); |
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|
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if (buffer == NULL) { |
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perror("OPENSSL_malloc"); |
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goto end; |
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} |
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|
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ecparam_print_var(out, ec_p, "ec_p", len, buffer); |
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ecparam_print_var(out, ec_a, "ec_a", len, buffer); |
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ecparam_print_var(out, ec_b, "ec_b", len, buffer); |
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ecparam_print_var(out, ec_gen, "ec_gen", len, buffer); |
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ecparam_print_var(out, ec_order, "ec_order", len, buffer); |
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ecparam_print_var(out, ec_cofactor, "ec_cofactor", len, buffer); |
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|
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BIO_printf(out, "\n\n"); |
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|
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BIO_printf(out, "EC_GROUP *get_ec_group_%d(void)\n\t{\n", len); |
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BIO_printf(out, "\tint ok=0;\n"); |
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BIO_printf(out, "\tEC_GROUP *group = NULL;\n"); |
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BIO_printf(out, "\tEC_POINT *point = NULL;\n"); |
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BIO_printf(out, "\tBIGNUM *tmp_1 = NULL, *tmp_2 = NULL, " |
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"*tmp_3 = NULL;\n\n"); |
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BIO_printf(out, "\tif ((tmp_1 = BN_bin2bn(ec_p_%d, " |
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"sizeof(ec_p_%d), NULL)) == NULL)\n\t\t" |
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"goto err;\n", len, len); |
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BIO_printf(out, "\tif ((tmp_2 = BN_bin2bn(ec_a_%d, " |
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"sizeof(ec_a_%d), NULL)) == NULL)\n\t\t" |
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"goto err;\n", len, len); |
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BIO_printf(out, "\tif ((tmp_3 = BN_bin2bn(ec_b_%d, " |
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"sizeof(ec_b_%d), NULL)) == NULL)\n\t\t" |
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"goto err;\n", len, len); |
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if (is_prime) { |
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BIO_printf(out, "\tif ((group = EC_GROUP_new_curve_" |
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"GFp(tmp_1, tmp_2, tmp_3, NULL)) == NULL)" |
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"\n\t\tgoto err;\n\n"); |
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} else { |
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/* TODO */ |
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goto end; |
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} |
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BIO_printf(out, "\t/* build generator */\n"); |
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BIO_printf(out, "\tif ((tmp_1 = BN_bin2bn(ec_gen_%d, " |
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"sizeof(ec_gen_%d), tmp_1)) == NULL)" |
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"\n\t\tgoto err;\n", len, len); |
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BIO_printf(out, "\tpoint = EC_POINT_bn2point(group, tmp_1, " |
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"NULL, NULL);\n"); |
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BIO_printf(out, "\tif (point == NULL)\n\t\tgoto err;\n"); |
|
BIO_printf(out, "\tif ((tmp_2 = BN_bin2bn(ec_order_%d, " |
|
"sizeof(ec_order_%d), tmp_2)) == NULL)" |
|
"\n\t\tgoto err;\n", len, len); |
|
BIO_printf(out, "\tif ((tmp_3 = BN_bin2bn(ec_cofactor_%d, " |
|
"sizeof(ec_cofactor_%d), tmp_3)) == NULL)" |
|
"\n\t\tgoto err;\n", len, len); |
|
BIO_printf(out, "\tif (!EC_GROUP_set_generator(group, point," |
|
" tmp_2, tmp_3))\n\t\tgoto err;\n"); |
|
BIO_printf(out, "\n\tok=1;\n"); |
|
BIO_printf(out, "err:\n"); |
|
BIO_printf(out, "\tif (tmp_1)\n\t\tBN_free(tmp_1);\n"); |
|
BIO_printf(out, "\tif (tmp_2)\n\t\tBN_free(tmp_2);\n"); |
|
BIO_printf(out, "\tif (tmp_3)\n\t\tBN_free(tmp_3);\n"); |
|
BIO_printf(out, "\tif (point)\n\t\tEC_POINT_free(point);\n"); |
|
BIO_printf(out, "\tif (!ok)\n"); |
|
BIO_printf(out, "\t\t{\n"); |
|
BIO_printf(out, "\t\tEC_GROUP_free(group);\n"); |
|
BIO_printf(out, "\t\tgroup = NULL;\n"); |
|
BIO_printf(out, "\t\t}\n"); |
|
BIO_printf(out, "\treturn(group);\n\t}\n"); |
|
} |
|
|
|
if (!noout) { |
|
if (outformat == FORMAT_ASN1) |
|
i = i2d_ECPKParameters_bio(out, group); |
|
else if (outformat == FORMAT_PEM) |
|
i = PEM_write_bio_ECPKParameters(out, group); |
|
else { |
|
BIO_printf(bio_err, "bad output format specified for" |
|
" outfile\n"); |
|
goto end; |
|
} |
|
if (!i) { |
|
BIO_printf(bio_err, "unable to write elliptic " |
|
"curve parameters\n"); |
|
ERR_print_errors(bio_err); |
|
goto end; |
|
} |
|
} |
|
|
|
if (need_rand) { |
|
app_RAND_load_file(NULL, bio_err, (inrand != NULL)); |
|
if (inrand != NULL) |
|
BIO_printf(bio_err, "%ld semi-random bytes loaded\n", |
|
app_RAND_load_files(inrand)); |
|
} |
|
|
|
if (genkey) { |
|
EC_KEY *eckey = EC_KEY_new(); |
|
|
|
if (eckey == NULL) |
|
goto end; |
|
|
|
assert(need_rand); |
|
|
|
if (EC_KEY_set_group(eckey, group) == 0) |
|
goto end; |
|
|
|
if (!EC_KEY_generate_key(eckey)) { |
|
EC_KEY_free(eckey); |
|
goto end; |
|
} |
|
if (outformat == FORMAT_ASN1) |
|
i = i2d_ECPrivateKey_bio(out, eckey); |
|
else if (outformat == FORMAT_PEM) |
|
i = PEM_write_bio_ECPrivateKey(out, eckey, NULL, |
|
NULL, 0, NULL, NULL); |
|
else { |
|
BIO_printf(bio_err, "bad output format specified " |
|
"for outfile\n"); |
|
EC_KEY_free(eckey); |
|
goto end; |
|
} |
|
EC_KEY_free(eckey); |
|
} |
|
|
|
if (need_rand) |
|
app_RAND_write_file(NULL, bio_err); |
|
|
|
ret = 0; |
|
end: |
|
if (ec_p) |
|
BN_free(ec_p); |
|
if (ec_a) |
|
BN_free(ec_a); |
|
if (ec_b) |
|
BN_free(ec_b); |
|
if (ec_gen) |
|
BN_free(ec_gen); |
|
if (ec_order) |
|
BN_free(ec_order); |
|
if (ec_cofactor) |
|
BN_free(ec_cofactor); |
|
if (buffer) |
|
OPENSSL_free(buffer); |
|
if (in != NULL) |
|
BIO_free(in); |
|
if (out != NULL) |
|
BIO_free_all(out); |
|
if (group != NULL) |
|
EC_GROUP_free(group); |
|
apps_shutdown(); |
|
OPENSSL_EXIT(ret); |
|
} |
|
|
|
static int ecparam_print_var(BIO *out, BIGNUM *in, const char *var, |
|
int len, unsigned char *buffer) |
|
{ |
|
BIO_printf(out, "static unsigned char %s_%d[] = {", var, len); |
|
if (BN_is_zero(in)) |
|
BIO_printf(out, "\n\t0x00"); |
|
else { |
|
int i, l; |
|
|
|
l = BN_bn2bin(in, buffer); |
|
for (i = 0; i < l - 1; i++) { |
|
if ((i % 12) == 0) |
|
BIO_printf(out, "\n\t"); |
|
BIO_printf(out, "0x%02X,", buffer[i]); |
|
} |
|
if ((i % 12) == 0) |
|
BIO_printf(out, "\n\t"); |
|
BIO_printf(out, "0x%02X", buffer[i]); |
|
} |
|
BIO_printf(out, "\n\t};\n\n"); |
|
return 1; |
|
} |
|
#else /* !OPENSSL_NO_EC */ |
|
|
|
# if PEDANTIC |
|
static void *dummy = &dummy; |
|
# endif |
|
|
|
#endif
|
|
|