mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-11-29 19:58:25 -05:00
372 lines
9.7 KiB
C
Executable File
372 lines
9.7 KiB
C
Executable File
/* $OpenBSD: eck_prn.c,v 1.15 2018/07/15 16:27:39 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 <string.h>
|
|
|
|
#include <openssl/opensslconf.h>
|
|
|
|
#include <openssl/bn.h>
|
|
#include <openssl/ec.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/evp.h>
|
|
|
|
int
|
|
ECPKParameters_print_fp(FILE * fp, const EC_GROUP * x, int off)
|
|
{
|
|
BIO *b;
|
|
int ret;
|
|
|
|
if ((b = BIO_new(BIO_s_file())) == NULL) {
|
|
ECerror(ERR_R_BUF_LIB);
|
|
return (0);
|
|
}
|
|
BIO_set_fp(b, fp, BIO_NOCLOSE);
|
|
ret = ECPKParameters_print(b, x, off);
|
|
BIO_free(b);
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
EC_KEY_print_fp(FILE * fp, const EC_KEY * x, int off)
|
|
{
|
|
BIO *b;
|
|
int ret;
|
|
|
|
if ((b = BIO_new(BIO_s_file())) == NULL) {
|
|
ECerror(ERR_R_BIO_LIB);
|
|
return (0);
|
|
}
|
|
BIO_set_fp(b, fp, BIO_NOCLOSE);
|
|
ret = EC_KEY_print(b, x, off);
|
|
BIO_free(b);
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
ECParameters_print_fp(FILE * fp, const EC_KEY * x)
|
|
{
|
|
BIO *b;
|
|
int ret;
|
|
|
|
if ((b = BIO_new(BIO_s_file())) == NULL) {
|
|
ECerror(ERR_R_BIO_LIB);
|
|
return (0);
|
|
}
|
|
BIO_set_fp(b, fp, BIO_NOCLOSE);
|
|
ret = ECParameters_print(b, x);
|
|
BIO_free(b);
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
EC_KEY_print(BIO * bp, const EC_KEY * x, int off)
|
|
{
|
|
EVP_PKEY *pk;
|
|
int ret;
|
|
pk = EVP_PKEY_new();
|
|
if (!pk || !EVP_PKEY_set1_EC_KEY(pk, (EC_KEY *) x))
|
|
return 0;
|
|
ret = EVP_PKEY_print_private(bp, pk, off, NULL);
|
|
EVP_PKEY_free(pk);
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
ECParameters_print(BIO * bp, const EC_KEY * x)
|
|
{
|
|
EVP_PKEY *pk;
|
|
int ret;
|
|
pk = EVP_PKEY_new();
|
|
if (!pk || !EVP_PKEY_set1_EC_KEY(pk, (EC_KEY *) x))
|
|
return 0;
|
|
ret = EVP_PKEY_print_params(bp, pk, 4, NULL);
|
|
EVP_PKEY_free(pk);
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
print_bin(BIO * fp, const char *str, const unsigned char *num,
|
|
size_t len, int off);
|
|
|
|
int
|
|
ECPKParameters_print(BIO * bp, const EC_GROUP * x, int off)
|
|
{
|
|
unsigned char *buffer = NULL;
|
|
size_t buf_len = 0, i;
|
|
int ret = 0, reason = ERR_R_BIO_LIB;
|
|
BN_CTX *ctx = NULL;
|
|
const EC_POINT *point = NULL;
|
|
BIGNUM *p = NULL, *a = NULL, *b = NULL, *gen = NULL, *order = NULL,
|
|
*cofactor = NULL;
|
|
const unsigned char *seed;
|
|
size_t seed_len = 0;
|
|
const char *nname;
|
|
|
|
static const char *gen_compressed = "Generator (compressed):";
|
|
static const char *gen_uncompressed = "Generator (uncompressed):";
|
|
static const char *gen_hybrid = "Generator (hybrid):";
|
|
|
|
if (!x) {
|
|
reason = ERR_R_PASSED_NULL_PARAMETER;
|
|
goto err;
|
|
}
|
|
ctx = BN_CTX_new();
|
|
if (ctx == NULL) {
|
|
reason = ERR_R_MALLOC_FAILURE;
|
|
goto err;
|
|
}
|
|
if (EC_GROUP_get_asn1_flag(x)) {
|
|
/* the curve parameter are given by an asn1 OID */
|
|
int nid;
|
|
|
|
if (!BIO_indent(bp, off, 128))
|
|
goto err;
|
|
|
|
nid = EC_GROUP_get_curve_name(x);
|
|
if (nid == 0)
|
|
goto err;
|
|
|
|
if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0)
|
|
goto err;
|
|
if (BIO_printf(bp, "\n") <= 0)
|
|
goto err;
|
|
|
|
nname = EC_curve_nid2nist(nid);
|
|
if (nname) {
|
|
if (!BIO_indent(bp, off, 128))
|
|
goto err;
|
|
if (BIO_printf(bp, "NIST CURVE: %s\n", nname) <= 0)
|
|
goto err;
|
|
}
|
|
} else {
|
|
/* explicit parameters */
|
|
int is_char_two = 0;
|
|
point_conversion_form_t form;
|
|
int tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x));
|
|
|
|
if (tmp_nid == NID_X9_62_characteristic_two_field)
|
|
is_char_two = 1;
|
|
|
|
if ((p = BN_new()) == NULL || (a = BN_new()) == NULL ||
|
|
(b = BN_new()) == NULL || (order = BN_new()) == NULL ||
|
|
(cofactor = BN_new()) == NULL) {
|
|
reason = ERR_R_MALLOC_FAILURE;
|
|
goto err;
|
|
}
|
|
#ifndef OPENSSL_NO_EC2M
|
|
if (is_char_two) {
|
|
if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx)) {
|
|
reason = ERR_R_EC_LIB;
|
|
goto err;
|
|
}
|
|
} else /* prime field */
|
|
#endif
|
|
{
|
|
if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx)) {
|
|
reason = ERR_R_EC_LIB;
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
if ((point = EC_GROUP_get0_generator(x)) == NULL) {
|
|
reason = ERR_R_EC_LIB;
|
|
goto err;
|
|
}
|
|
if (!EC_GROUP_get_order(x, order, NULL) ||
|
|
!EC_GROUP_get_cofactor(x, cofactor, NULL)) {
|
|
reason = ERR_R_EC_LIB;
|
|
goto err;
|
|
}
|
|
form = EC_GROUP_get_point_conversion_form(x);
|
|
|
|
if ((gen = EC_POINT_point2bn(x, point,
|
|
form, NULL, ctx)) == NULL) {
|
|
reason = ERR_R_EC_LIB;
|
|
goto err;
|
|
}
|
|
buf_len = (size_t) BN_num_bytes(p);
|
|
if (buf_len < (i = (size_t) BN_num_bytes(a)))
|
|
buf_len = i;
|
|
if (buf_len < (i = (size_t) BN_num_bytes(b)))
|
|
buf_len = i;
|
|
if (buf_len < (i = (size_t) BN_num_bytes(gen)))
|
|
buf_len = i;
|
|
if (buf_len < (i = (size_t) BN_num_bytes(order)))
|
|
buf_len = i;
|
|
if (buf_len < (i = (size_t) BN_num_bytes(cofactor)))
|
|
buf_len = i;
|
|
|
|
if ((seed = EC_GROUP_get0_seed(x)) != NULL)
|
|
seed_len = EC_GROUP_get_seed_len(x);
|
|
|
|
buf_len += 10;
|
|
if ((buffer = malloc(buf_len)) == NULL) {
|
|
reason = ERR_R_MALLOC_FAILURE;
|
|
goto err;
|
|
}
|
|
if (!BIO_indent(bp, off, 128))
|
|
goto err;
|
|
|
|
/* print the 'short name' of the field type */
|
|
if (BIO_printf(bp, "Field Type: %s\n", OBJ_nid2sn(tmp_nid))
|
|
<= 0)
|
|
goto err;
|
|
|
|
if (is_char_two) {
|
|
/* print the 'short name' of the base type OID */
|
|
int basis_type = EC_GROUP_get_basis_type(x);
|
|
if (basis_type == 0)
|
|
goto err;
|
|
|
|
if (!BIO_indent(bp, off, 128))
|
|
goto err;
|
|
|
|
if (BIO_printf(bp, "Basis Type: %s\n",
|
|
OBJ_nid2sn(basis_type)) <= 0)
|
|
goto err;
|
|
|
|
/* print the polynomial */
|
|
if ((p != NULL) && !ASN1_bn_print(bp, "Polynomial:", p, buffer,
|
|
off))
|
|
goto err;
|
|
} else {
|
|
if ((p != NULL) && !ASN1_bn_print(bp, "Prime:", p, buffer, off))
|
|
goto err;
|
|
}
|
|
if ((a != NULL) && !ASN1_bn_print(bp, "A: ", a, buffer, off))
|
|
goto err;
|
|
if ((b != NULL) && !ASN1_bn_print(bp, "B: ", b, buffer, off))
|
|
goto err;
|
|
if (form == POINT_CONVERSION_COMPRESSED) {
|
|
if ((gen != NULL) && !ASN1_bn_print(bp, gen_compressed, gen,
|
|
buffer, off))
|
|
goto err;
|
|
} else if (form == POINT_CONVERSION_UNCOMPRESSED) {
|
|
if ((gen != NULL) && !ASN1_bn_print(bp, gen_uncompressed, gen,
|
|
buffer, off))
|
|
goto err;
|
|
} else { /* form == POINT_CONVERSION_HYBRID */
|
|
if ((gen != NULL) && !ASN1_bn_print(bp, gen_hybrid, gen,
|
|
buffer, off))
|
|
goto err;
|
|
}
|
|
if ((order != NULL) && !ASN1_bn_print(bp, "Order: ", order,
|
|
buffer, off))
|
|
goto err;
|
|
if ((cofactor != NULL) && !ASN1_bn_print(bp, "Cofactor: ", cofactor,
|
|
buffer, off))
|
|
goto err;
|
|
if (seed && !print_bin(bp, "Seed:", seed, seed_len, off))
|
|
goto err;
|
|
}
|
|
ret = 1;
|
|
err:
|
|
if (!ret)
|
|
ECerror(reason);
|
|
BN_free(p);
|
|
BN_free(a);
|
|
BN_free(b);
|
|
BN_free(gen);
|
|
BN_free(order);
|
|
BN_free(cofactor);
|
|
BN_CTX_free(ctx);
|
|
free(buffer);
|
|
return (ret);
|
|
}
|
|
|
|
static int
|
|
print_bin(BIO * fp, const char *name, const unsigned char *buf,
|
|
size_t len, int off)
|
|
{
|
|
size_t i;
|
|
char str[128];
|
|
|
|
if (buf == NULL)
|
|
return 1;
|
|
if (off) {
|
|
if (off > 128)
|
|
off = 128;
|
|
memset(str, ' ', off);
|
|
if (BIO_write(fp, str, off) <= 0)
|
|
return 0;
|
|
}
|
|
if (BIO_printf(fp, "%s", name) <= 0)
|
|
return 0;
|
|
|
|
for (i = 0; i < len; i++) {
|
|
if ((i % 15) == 0) {
|
|
str[0] = '\n';
|
|
memset(&(str[1]), ' ', off + 4);
|
|
if (BIO_write(fp, str, off + 1 + 4) <= 0)
|
|
return 0;
|
|
}
|
|
if (BIO_printf(fp, "%02x%s", buf[i], ((i + 1) == len) ? "" : ":") <= 0)
|
|
return 0;
|
|
}
|
|
if (BIO_write(fp, "\n", 1) <= 0)
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|