357 lines
8.4 KiB
C
357 lines
8.4 KiB
C
/* $OpenBSD: eck_prn.c,v 1.41 2025/01/25 10:30:17 tb Exp $ */
|
|
/*
|
|
* 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).
|
|
*
|
|
*/
|
|
/* ====================================================================
|
|
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
|
|
* Portions originally developed by SUN MICROSYSTEMS, INC., and
|
|
* contributed to the OpenSSL project.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <openssl/bio.h>
|
|
#include <openssl/bn.h>
|
|
#include <openssl/ec.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/evp.h>
|
|
#include <openssl/objects.h>
|
|
|
|
#include "bn_local.h"
|
|
#include "ec_local.h"
|
|
|
|
int
|
|
EC_KEY_print(BIO *bio, const EC_KEY *ec_key, int off)
|
|
{
|
|
EVP_PKEY *pkey;
|
|
int ret = 0;
|
|
|
|
if ((pkey = EVP_PKEY_new()) == NULL)
|
|
goto err;
|
|
|
|
if (!EVP_PKEY_set1_EC_KEY(pkey, (EC_KEY *)ec_key))
|
|
goto err;
|
|
|
|
ret = EVP_PKEY_print_private(bio, pkey, off, NULL);
|
|
|
|
err:
|
|
EVP_PKEY_free(pkey);
|
|
|
|
return ret;
|
|
}
|
|
LCRYPTO_ALIAS(EC_KEY_print);
|
|
|
|
int
|
|
EC_KEY_print_fp(FILE *fp, const EC_KEY *ec_key, int off)
|
|
{
|
|
BIO *bio;
|
|
int ret;
|
|
|
|
if ((bio = BIO_new(BIO_s_file())) == NULL) {
|
|
ECerror(ERR_R_BIO_LIB);
|
|
return 0;
|
|
}
|
|
|
|
BIO_set_fp(bio, fp, BIO_NOCLOSE);
|
|
|
|
ret = EC_KEY_print(bio, ec_key, off);
|
|
|
|
BIO_free(bio);
|
|
|
|
return ret;
|
|
}
|
|
LCRYPTO_ALIAS(EC_KEY_print_fp);
|
|
|
|
int
|
|
ECParameters_print(BIO *bio, const EC_KEY *ec_key)
|
|
{
|
|
EVP_PKEY *pkey;
|
|
int ret = 0;
|
|
|
|
if ((pkey = EVP_PKEY_new()) == NULL)
|
|
goto err;
|
|
|
|
if (!EVP_PKEY_set1_EC_KEY(pkey, (EC_KEY *)ec_key))
|
|
goto err;
|
|
|
|
ret = EVP_PKEY_print_params(bio, pkey, 4, NULL);
|
|
|
|
err:
|
|
EVP_PKEY_free(pkey);
|
|
|
|
return ret;
|
|
}
|
|
LCRYPTO_ALIAS(ECParameters_print);
|
|
|
|
int
|
|
ECParameters_print_fp(FILE *fp, const EC_KEY *ec_key)
|
|
{
|
|
BIO *bio;
|
|
int ret;
|
|
|
|
if ((bio = BIO_new(BIO_s_file())) == NULL) {
|
|
ECerror(ERR_R_BIO_LIB);
|
|
return 0;
|
|
}
|
|
|
|
BIO_set_fp(bio, fp, BIO_NOCLOSE);
|
|
|
|
ret = ECParameters_print(bio, ec_key);
|
|
|
|
BIO_free(bio);
|
|
|
|
return ret;
|
|
}
|
|
LCRYPTO_ALIAS(ECParameters_print_fp);
|
|
|
|
static int
|
|
ecpk_print_asn1_parameters(BIO *bio, const EC_GROUP *group, int off)
|
|
{
|
|
const char *nist_name;
|
|
int nid;
|
|
int ret = 0;
|
|
|
|
if (!BIO_indent(bio, off, 128)) {
|
|
ECerror(ERR_R_BIO_LIB);
|
|
goto err;
|
|
}
|
|
|
|
if ((nid = EC_GROUP_get_curve_name(group)) == NID_undef) {
|
|
ECerror(ERR_R_INTERNAL_ERROR);
|
|
goto err;
|
|
}
|
|
|
|
if (BIO_printf(bio, "ASN1 OID: %s\n", OBJ_nid2sn(nid)) <= 0) {
|
|
ECerror(ERR_R_BIO_LIB);
|
|
goto err;
|
|
}
|
|
|
|
if ((nist_name = EC_curve_nid2nist(nid)) != NULL) {
|
|
if (!BIO_indent(bio, off, 128)) {
|
|
ECerror(ERR_R_BIO_LIB);
|
|
goto err;
|
|
}
|
|
if (BIO_printf(bio, "NIST CURVE: %s\n", nist_name) <= 0) {
|
|
ECerror(ERR_R_BIO_LIB);
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
ret = 1;
|
|
err:
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
ecpk_print_explicit_parameters(BIO *bio, const EC_GROUP *group, int off)
|
|
{
|
|
BN_CTX *ctx = NULL;
|
|
const BIGNUM *order;
|
|
BIGNUM *p, *a, *b, *cofactor;
|
|
BIGNUM *gen = NULL;
|
|
const EC_POINT *generator;
|
|
const char *conversion_form;
|
|
const unsigned char *seed;
|
|
size_t seed_len;
|
|
point_conversion_form_t form;
|
|
int ret = 0;
|
|
|
|
if ((ctx = BN_CTX_new()) == NULL) {
|
|
ECerror(ERR_R_MALLOC_FAILURE);
|
|
goto err;
|
|
}
|
|
|
|
BN_CTX_start(ctx);
|
|
|
|
if ((p = BN_CTX_get(ctx)) == NULL)
|
|
goto err;
|
|
if ((a = BN_CTX_get(ctx)) == NULL)
|
|
goto err;
|
|
if ((b = BN_CTX_get(ctx)) == NULL)
|
|
goto err;
|
|
if ((cofactor = BN_CTX_get(ctx)) == NULL)
|
|
goto err;
|
|
if ((gen = BN_CTX_get(ctx)) == NULL)
|
|
goto err;
|
|
|
|
if (!EC_GROUP_get_curve(group, p, a, b, ctx)) {
|
|
ECerror(ERR_R_EC_LIB);
|
|
goto err;
|
|
}
|
|
if ((order = EC_GROUP_get0_order(group)) == NULL) {
|
|
ECerror(ERR_R_EC_LIB);
|
|
goto err;
|
|
}
|
|
if (!EC_GROUP_get_cofactor(group, cofactor, NULL)) {
|
|
ECerror(ERR_R_EC_LIB);
|
|
goto err;
|
|
}
|
|
|
|
if ((generator = EC_GROUP_get0_generator(group)) == NULL) {
|
|
ECerror(ERR_R_EC_LIB);
|
|
goto err;
|
|
}
|
|
|
|
form = EC_GROUP_get_point_conversion_form(group);
|
|
if (EC_POINT_point2bn(group, generator, form, gen, ctx) == NULL) {
|
|
ECerror(ERR_R_EC_LIB);
|
|
goto err;
|
|
}
|
|
|
|
if (!BIO_indent(bio, off, 128))
|
|
goto err;
|
|
|
|
if (BIO_printf(bio, "Field Type: %s\n", SN_X9_62_prime_field) <= 0)
|
|
goto err;
|
|
|
|
if (!bn_printf(bio, p, off, "Prime:"))
|
|
goto err;
|
|
if (!bn_printf(bio, a, off, "A: "))
|
|
goto err;
|
|
if (!bn_printf(bio, b, off, "B: "))
|
|
goto err;
|
|
|
|
if (form == POINT_CONVERSION_COMPRESSED)
|
|
conversion_form = "compressed";
|
|
else if (form == POINT_CONVERSION_UNCOMPRESSED)
|
|
conversion_form = "uncompressed";
|
|
else if (form == POINT_CONVERSION_HYBRID)
|
|
conversion_form = "hybrid";
|
|
else
|
|
conversion_form = "unknown";
|
|
if (!bn_printf(bio, gen, off, "Generator (%s):", conversion_form))
|
|
goto err;
|
|
|
|
if (!bn_printf(bio, order, off, "Order: "))
|
|
goto err;
|
|
if (!bn_printf(bio, cofactor, off, "Cofactor: "))
|
|
goto err;
|
|
|
|
if ((seed = EC_GROUP_get0_seed(group)) != NULL) {
|
|
size_t i;
|
|
|
|
seed_len = EC_GROUP_get_seed_len(group);
|
|
|
|
/* XXX - ecx_buf_print() has a CBS version of this - dedup. */
|
|
if (!BIO_indent(bio, off, 128))
|
|
goto err;
|
|
if (BIO_printf(bio, "Seed:") <= 0)
|
|
goto err;
|
|
|
|
for (i = 0; i < seed_len; i++) {
|
|
const char *sep = ":";
|
|
|
|
if (i % 15 == 0) {
|
|
if (BIO_printf(bio, "\n") <= 0)
|
|
goto err;
|
|
if (!BIO_indent(bio, off + 4, 128))
|
|
goto err;
|
|
}
|
|
|
|
if (i + 1 == seed_len)
|
|
sep = "";
|
|
if (BIO_printf(bio, "%02x%s", seed[i], sep) <= 0)
|
|
goto err;
|
|
}
|
|
|
|
if (BIO_printf(bio, "\n") <= 0)
|
|
goto err;
|
|
}
|
|
|
|
ret = 1;
|
|
err:
|
|
BN_CTX_end(ctx);
|
|
BN_CTX_free(ctx);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
ECPKParameters_print(BIO *bio, const EC_GROUP *group, int off)
|
|
{
|
|
if (group == NULL) {
|
|
ECerror(ERR_R_PASSED_NULL_PARAMETER);
|
|
return 0;
|
|
}
|
|
|
|
if ((EC_GROUP_get_asn1_flag(group) & OPENSSL_EC_NAMED_CURVE) != 0)
|
|
return ecpk_print_asn1_parameters(bio, group, off);
|
|
|
|
return ecpk_print_explicit_parameters(bio, group, off);
|
|
}
|
|
LCRYPTO_ALIAS(ECPKParameters_print);
|
|
|
|
int
|
|
ECPKParameters_print_fp(FILE *fp, const EC_GROUP *group, int off)
|
|
{
|
|
BIO *bio;
|
|
int ret;
|
|
|
|
if ((bio = BIO_new(BIO_s_file())) == NULL) {
|
|
ECerror(ERR_R_BUF_LIB);
|
|
return 0;
|
|
}
|
|
|
|
BIO_set_fp(bio, fp, BIO_NOCLOSE);
|
|
|
|
ret = ECPKParameters_print(bio, group, off);
|
|
|
|
BIO_free(bio);
|
|
|
|
return ret;
|
|
}
|
|
LCRYPTO_ALIAS(ECPKParameters_print_fp);
|