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2017-02-25 23:55:24 +01:00
commit 1fe2e8ab62
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126
openssl-1.0.2f/crypto/ecdh/Makefile Normal file
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#
# crypto/ecdh/Makefile
#
DIR= ecdh
TOP= ../..
CC= cc
INCLUDES= -I.. -I$(TOP) -I../../include
CFLAG=-g -Wall
MAKEFILE= Makefile
AR= ar r
CFLAGS= $(INCLUDES) $(CFLAG)
GENERAL=Makefile
TEST=ecdhtest.c
APPS=
LIB=$(TOP)/libcrypto.a
LIBSRC= ech_lib.c ech_ossl.c ech_key.c ech_err.c ech_kdf.c
LIBOBJ= ech_lib.o ech_ossl.o ech_key.o ech_err.o ech_kdf.o
SRC= $(LIBSRC)
EXHEADER= ecdh.h
HEADER= ech_locl.h $(EXHEADER)
ALL= $(GENERAL) $(SRC) $(HEADER)
top:
(cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
all: lib
lib: $(LIBOBJ)
$(AR) $(LIB) $(LIBOBJ)
$(RANLIB) $(LIB) || echo Never mind.
@touch lib
files:
$(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
links:
@$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
@$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
@$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
install:
@[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
@headerlist="$(EXHEADER)"; for i in $$headerlist; \
do \
(cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
done;
tags:
ctags $(SRC)
tests:
lint:
lint -DLINT $(INCLUDES) $(SRC)>fluff
update: depend
depend:
@[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile...
$(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
dclean:
$(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
mv -f Makefile.new $(MAKEFILE)
clean:
rm -f *.o */*.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
# DO NOT DELETE THIS LINE -- make depend depends on it.
ech_err.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
ech_err.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
ech_err.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
ech_err.o: ../../include/openssl/err.h ../../include/openssl/lhash.h
ech_err.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
ech_err.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h
ech_err.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
ech_err.o: ech_err.c
ech_kdf.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
ech_kdf.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
ech_kdf.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
ech_kdf.o: ../../include/openssl/evp.h ../../include/openssl/obj_mac.h
ech_kdf.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
ech_kdf.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
ech_kdf.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
ech_kdf.o: ../../include/openssl/symhacks.h ech_kdf.c
ech_key.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
ech_key.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
ech_key.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
ech_key.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
ech_key.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h
ech_key.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
ech_key.o: ech_key.c ech_locl.h
ech_lib.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
ech_lib.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
ech_lib.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
ech_lib.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h
ech_lib.o: ../../include/openssl/engine.h ../../include/openssl/err.h
ech_lib.o: ../../include/openssl/evp.h ../../include/openssl/lhash.h
ech_lib.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
ech_lib.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
ech_lib.o: ../../include/openssl/ossl_typ.h ../../include/openssl/pkcs7.h
ech_lib.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
ech_lib.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
ech_lib.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h
ech_lib.o: ech_lib.c ech_locl.h
ech_ossl.o: ../../e_os.h ../../include/openssl/asn1.h
ech_ossl.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
ech_ossl.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
ech_ossl.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
ech_ossl.o: ../../include/openssl/ecdh.h ../../include/openssl/err.h
ech_ossl.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
ech_ossl.o: ../../include/openssl/opensslconf.h
ech_ossl.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
ech_ossl.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
ech_ossl.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
ech_ossl.o: ../cryptlib.h ech_locl.h ech_ossl.c

134
openssl-1.0.2f/crypto/ecdh/ecdh.h Normal file
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/* crypto/ecdh/ecdh.h */
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
*
* The Elliptic Curve Public-Key Crypto Library (ECC Code) included
* herein is developed by SUN MICROSYSTEMS, INC., and is contributed
* to the OpenSSL project.
*
* The ECC Code is licensed pursuant to the OpenSSL open source
* license provided below.
*
* The ECDH software is originally written by Douglas Stebila of
* Sun Microsystems Laboratories.
*
*/
/* ====================================================================
* Copyright (c) 2000-2002 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).
*
*/
#ifndef HEADER_ECDH_H
# define HEADER_ECDH_H
# include <openssl/opensslconf.h>
# ifdef OPENSSL_NO_ECDH
# error ECDH is disabled.
# endif
# include <openssl/ec.h>
# include <openssl/ossl_typ.h>
# ifndef OPENSSL_NO_DEPRECATED
# include <openssl/bn.h>
# endif
#ifdef __cplusplus
extern "C" {
#endif
# define EC_FLAG_COFACTOR_ECDH 0x1000
const ECDH_METHOD *ECDH_OpenSSL(void);
void ECDH_set_default_method(const ECDH_METHOD *);
const ECDH_METHOD *ECDH_get_default_method(void);
int ECDH_set_method(EC_KEY *, const ECDH_METHOD *);
int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
EC_KEY *ecdh, void *(*KDF) (const void *in, size_t inlen,
void *out, size_t *outlen));
int ECDH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new
*new_func, CRYPTO_EX_dup *dup_func,
CRYPTO_EX_free *free_func);
int ECDH_set_ex_data(EC_KEY *d, int idx, void *arg);
void *ECDH_get_ex_data(EC_KEY *d, int idx);
int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
const unsigned char *Z, size_t Zlen,
const unsigned char *sinfo, size_t sinfolen,
const EVP_MD *md);
/* BEGIN ERROR CODES */
/*
* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
*/
void ERR_load_ECDH_strings(void);
/* Error codes for the ECDH functions. */
/* Function codes. */
# define ECDH_F_ECDH_CHECK 102
# define ECDH_F_ECDH_COMPUTE_KEY 100
# define ECDH_F_ECDH_DATA_NEW_METHOD 101
/* Reason codes. */
# define ECDH_R_KDF_FAILED 102
# define ECDH_R_NON_FIPS_METHOD 103
# define ECDH_R_NO_PRIVATE_VALUE 100
# define ECDH_R_POINT_ARITHMETIC_FAILURE 101
#ifdef __cplusplus
}
#endif
#endif

580
openssl-1.0.2f/crypto/ecdh/ecdhtest.c Normal file
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/* crypto/ecdh/ecdhtest.c */
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
*
* The Elliptic Curve Public-Key Crypto Library (ECC Code) included
* herein is developed by SUN MICROSYSTEMS, INC., and is contributed
* to the OpenSSL project.
*
* The ECC Code is licensed pursuant to the OpenSSL open source
* license provided below.
*
* The ECDH software is originally written by Douglas Stebila of
* Sun Microsystems Laboratories.
*
*/
/* ====================================================================
* Copyright (c) 1998-2003 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../e_os.h"
#include <openssl/opensslconf.h> /* for OPENSSL_NO_ECDH */
#include <openssl/crypto.h>
#include <openssl/bio.h>
#include <openssl/bn.h>
#include <openssl/objects.h>
#include <openssl/rand.h>
#include <openssl/sha.h>
#include <openssl/err.h>
#ifdef OPENSSL_NO_ECDH
int main(int argc, char *argv[])
{
printf("No ECDH support\n");
return (0);
}
#else
# include <openssl/ec.h>
# include <openssl/ecdh.h>
# ifdef OPENSSL_SYS_WIN16
# define MS_CALLBACK _far _loadds
# else
# define MS_CALLBACK
# endif
# if 0
static void MS_CALLBACK cb(int p, int n, void *arg);
# endif
static const char rnd_seed[] =
"string to make the random number generator think it has entropy";
static const int KDF1_SHA1_len = 20;
static void *KDF1_SHA1(const void *in, size_t inlen, void *out,
size_t *outlen)
{
# ifndef OPENSSL_NO_SHA
if (*outlen < SHA_DIGEST_LENGTH)
return NULL;
else
*outlen = SHA_DIGEST_LENGTH;
return SHA1(in, inlen, out);
# else
return NULL;
# endif
}
static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
{
EC_KEY *a = NULL;
EC_KEY *b = NULL;
BIGNUM *x_a = NULL, *y_a = NULL, *x_b = NULL, *y_b = NULL;
char buf[12];
unsigned char *abuf = NULL, *bbuf = NULL;
int i, alen, blen, aout, bout, ret = 0;
const EC_GROUP *group;
a = EC_KEY_new_by_curve_name(nid);
b = EC_KEY_new_by_curve_name(nid);
if (a == NULL || b == NULL)
goto err;
group = EC_KEY_get0_group(a);
if ((x_a = BN_new()) == NULL)
goto err;
if ((y_a = BN_new()) == NULL)
goto err;
if ((x_b = BN_new()) == NULL)
goto err;
if ((y_b = BN_new()) == NULL)
goto err;
BIO_puts(out, "Testing key generation with ");
BIO_puts(out, text);
# ifdef NOISY
BIO_puts(out, "\n");
# else
(void)BIO_flush(out);
# endif
if (!EC_KEY_generate_key(a))
goto err;
if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
NID_X9_62_prime_field) {
if (!EC_POINT_get_affine_coordinates_GFp
(group, EC_KEY_get0_public_key(a), x_a, y_a, ctx))
goto err;
}
# ifndef OPENSSL_NO_EC2M
else {
if (!EC_POINT_get_affine_coordinates_GF2m(group,
EC_KEY_get0_public_key(a),
x_a, y_a, ctx))
goto err;
}
# endif
# ifdef NOISY
BIO_puts(out, " pri 1=");
BN_print(out, a->priv_key);
BIO_puts(out, "\n pub 1=");
BN_print(out, x_a);
BIO_puts(out, ",");
BN_print(out, y_a);
BIO_puts(out, "\n");
# else
BIO_printf(out, " .");
(void)BIO_flush(out);
# endif
if (!EC_KEY_generate_key(b))
goto err;
if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
NID_X9_62_prime_field) {
if (!EC_POINT_get_affine_coordinates_GFp
(group, EC_KEY_get0_public_key(b), x_b, y_b, ctx))
goto err;
}
# ifndef OPENSSL_NO_EC2M
else {
if (!EC_POINT_get_affine_coordinates_GF2m(group,
EC_KEY_get0_public_key(b),
x_b, y_b, ctx))
goto err;
}
# endif
# ifdef NOISY
BIO_puts(out, " pri 2=");
BN_print(out, b->priv_key);
BIO_puts(out, "\n pub 2=");
BN_print(out, x_b);
BIO_puts(out, ",");
BN_print(out, y_b);
BIO_puts(out, "\n");
# else
BIO_printf(out, ".");
(void)BIO_flush(out);
# endif
alen = KDF1_SHA1_len;
abuf = (unsigned char *)OPENSSL_malloc(alen);
aout =
ECDH_compute_key(abuf, alen, EC_KEY_get0_public_key(b), a, KDF1_SHA1);
# ifdef NOISY
BIO_puts(out, " key1 =");
for (i = 0; i < aout; i++) {
sprintf(buf, "%02X", abuf[i]);
BIO_puts(out, buf);
}
BIO_puts(out, "\n");
# else
BIO_printf(out, ".");
(void)BIO_flush(out);
# endif
blen = KDF1_SHA1_len;
bbuf = (unsigned char *)OPENSSL_malloc(blen);
bout =
ECDH_compute_key(bbuf, blen, EC_KEY_get0_public_key(a), b, KDF1_SHA1);
# ifdef NOISY
BIO_puts(out, " key2 =");
for (i = 0; i < bout; i++) {
sprintf(buf, "%02X", bbuf[i]);
BIO_puts(out, buf);
}
BIO_puts(out, "\n");
# else
BIO_printf(out, ".");
(void)BIO_flush(out);
# endif
if ((aout < 4) || (bout != aout) || (memcmp(abuf, bbuf, aout) != 0)) {
# ifndef NOISY
BIO_printf(out, " failed\n\n");
BIO_printf(out, "key a:\n");
BIO_printf(out, "private key: ");
BN_print(out, EC_KEY_get0_private_key(a));
BIO_printf(out, "\n");
BIO_printf(out, "public key (x,y): ");
BN_print(out, x_a);
BIO_printf(out, ",");
BN_print(out, y_a);
BIO_printf(out, "\nkey b:\n");
BIO_printf(out, "private key: ");
BN_print(out, EC_KEY_get0_private_key(b));
BIO_printf(out, "\n");
BIO_printf(out, "public key (x,y): ");
BN_print(out, x_b);
BIO_printf(out, ",");
BN_print(out, y_b);
BIO_printf(out, "\n");
BIO_printf(out, "generated key a: ");
for (i = 0; i < bout; i++) {
sprintf(buf, "%02X", bbuf[i]);
BIO_puts(out, buf);
}
BIO_printf(out, "\n");
BIO_printf(out, "generated key b: ");
for (i = 0; i < aout; i++) {
sprintf(buf, "%02X", abuf[i]);
BIO_puts(out, buf);
}
BIO_printf(out, "\n");
# endif
fprintf(stderr, "Error in ECDH routines\n");
ret = 0;
} else {
# ifndef NOISY
BIO_printf(out, " ok\n");
# endif
ret = 1;
}
err:
ERR_print_errors_fp(stderr);
if (abuf != NULL)
OPENSSL_free(abuf);
if (bbuf != NULL)
OPENSSL_free(bbuf);
if (x_a)
BN_free(x_a);
if (y_a)
BN_free(y_a);
if (x_b)
BN_free(x_b);
if (y_b)
BN_free(y_b);
if (b)
EC_KEY_free(b);
if (a)
EC_KEY_free(a);
return (ret);
}
/* Keys and shared secrets from RFC 7027 */
static const unsigned char bp256_da[] = {
0x81, 0xDB, 0x1E, 0xE1, 0x00, 0x15, 0x0F, 0xF2, 0xEA, 0x33, 0x8D, 0x70,
0x82, 0x71, 0xBE, 0x38, 0x30, 0x0C, 0xB5, 0x42, 0x41, 0xD7, 0x99, 0x50,
0xF7, 0x7B, 0x06, 0x30, 0x39, 0x80, 0x4F, 0x1D
};
static const unsigned char bp256_db[] = {
0x55, 0xE4, 0x0B, 0xC4, 0x1E, 0x37, 0xE3, 0xE2, 0xAD, 0x25, 0xC3, 0xC6,
0x65, 0x45, 0x11, 0xFF, 0xA8, 0x47, 0x4A, 0x91, 0xA0, 0x03, 0x20, 0x87,
0x59, 0x38, 0x52, 0xD3, 0xE7, 0xD7, 0x6B, 0xD3
};
static const unsigned char bp256_Z[] = {
0x89, 0xAF, 0xC3, 0x9D, 0x41, 0xD3, 0xB3, 0x27, 0x81, 0x4B, 0x80, 0x94,
0x0B, 0x04, 0x25, 0x90, 0xF9, 0x65, 0x56, 0xEC, 0x91, 0xE6, 0xAE, 0x79,
0x39, 0xBC, 0xE3, 0x1F, 0x3A, 0x18, 0xBF, 0x2B
};
static const unsigned char bp384_da[] = {
0x1E, 0x20, 0xF5, 0xE0, 0x48, 0xA5, 0x88, 0x6F, 0x1F, 0x15, 0x7C, 0x74,
0xE9, 0x1B, 0xDE, 0x2B, 0x98, 0xC8, 0xB5, 0x2D, 0x58, 0xE5, 0x00, 0x3D,
0x57, 0x05, 0x3F, 0xC4, 0xB0, 0xBD, 0x65, 0xD6, 0xF1, 0x5E, 0xB5, 0xD1,
0xEE, 0x16, 0x10, 0xDF, 0x87, 0x07, 0x95, 0x14, 0x36, 0x27, 0xD0, 0x42
};
static const unsigned char bp384_db[] = {
0x03, 0x26, 0x40, 0xBC, 0x60, 0x03, 0xC5, 0x92, 0x60, 0xF7, 0x25, 0x0C,
0x3D, 0xB5, 0x8C, 0xE6, 0x47, 0xF9, 0x8E, 0x12, 0x60, 0xAC, 0xCE, 0x4A,
0xCD, 0xA3, 0xDD, 0x86, 0x9F, 0x74, 0xE0, 0x1F, 0x8B, 0xA5, 0xE0, 0x32,
0x43, 0x09, 0xDB, 0x6A, 0x98, 0x31, 0x49, 0x7A, 0xBA, 0xC9, 0x66, 0x70
};
static const unsigned char bp384_Z[] = {
0x0B, 0xD9, 0xD3, 0xA7, 0xEA, 0x0B, 0x3D, 0x51, 0x9D, 0x09, 0xD8, 0xE4,
0x8D, 0x07, 0x85, 0xFB, 0x74, 0x4A, 0x6B, 0x35, 0x5E, 0x63, 0x04, 0xBC,
0x51, 0xC2, 0x29, 0xFB, 0xBC, 0xE2, 0x39, 0xBB, 0xAD, 0xF6, 0x40, 0x37,
0x15, 0xC3, 0x5D, 0x4F, 0xB2, 0xA5, 0x44, 0x4F, 0x57, 0x5D, 0x4F, 0x42
};
static const unsigned char bp512_da[] = {
0x16, 0x30, 0x2F, 0xF0, 0xDB, 0xBB, 0x5A, 0x8D, 0x73, 0x3D, 0xAB, 0x71,
0x41, 0xC1, 0xB4, 0x5A, 0xCB, 0xC8, 0x71, 0x59, 0x39, 0x67, 0x7F, 0x6A,
0x56, 0x85, 0x0A, 0x38, 0xBD, 0x87, 0xBD, 0x59, 0xB0, 0x9E, 0x80, 0x27,
0x96, 0x09, 0xFF, 0x33, 0x3E, 0xB9, 0xD4, 0xC0, 0x61, 0x23, 0x1F, 0xB2,
0x6F, 0x92, 0xEE, 0xB0, 0x49, 0x82, 0xA5, 0xF1, 0xD1, 0x76, 0x4C, 0xAD,
0x57, 0x66, 0x54, 0x22
};
static const unsigned char bp512_db[] = {
0x23, 0x0E, 0x18, 0xE1, 0xBC, 0xC8, 0x8A, 0x36, 0x2F, 0xA5, 0x4E, 0x4E,
0xA3, 0x90, 0x20, 0x09, 0x29, 0x2F, 0x7F, 0x80, 0x33, 0x62, 0x4F, 0xD4,
0x71, 0xB5, 0xD8, 0xAC, 0xE4, 0x9D, 0x12, 0xCF, 0xAB, 0xBC, 0x19, 0x96,
0x3D, 0xAB, 0x8E, 0x2F, 0x1E, 0xBA, 0x00, 0xBF, 0xFB, 0x29, 0xE4, 0xD7,
0x2D, 0x13, 0xF2, 0x22, 0x45, 0x62, 0xF4, 0x05, 0xCB, 0x80, 0x50, 0x36,
0x66, 0xB2, 0x54, 0x29
};
static const unsigned char bp512_Z[] = {
0xA7, 0x92, 0x70, 0x98, 0x65, 0x5F, 0x1F, 0x99, 0x76, 0xFA, 0x50, 0xA9,
0xD5, 0x66, 0x86, 0x5D, 0xC5, 0x30, 0x33, 0x18, 0x46, 0x38, 0x1C, 0x87,
0x25, 0x6B, 0xAF, 0x32, 0x26, 0x24, 0x4B, 0x76, 0xD3, 0x64, 0x03, 0xC0,
0x24, 0xD7, 0xBB, 0xF0, 0xAA, 0x08, 0x03, 0xEA, 0xFF, 0x40, 0x5D, 0x3D,
0x24, 0xF1, 0x1A, 0x9B, 0x5C, 0x0B, 0xEF, 0x67, 0x9F, 0xE1, 0x45, 0x4B,
0x21, 0xC4, 0xCD, 0x1F
};
/* Given private value and NID, create EC_KEY structure */
static EC_KEY *mk_eckey(int nid, const unsigned char *p, size_t plen)
{
int ok = 0;
EC_KEY *k = NULL;
BIGNUM *priv = NULL;
EC_POINT *pub = NULL;
const EC_GROUP *grp;
k = EC_KEY_new_by_curve_name(nid);
if (!k)
goto err;
priv = BN_bin2bn(p, plen, NULL);
if (!priv)
goto err;
if (!EC_KEY_set_private_key(k, priv))
goto err;
grp = EC_KEY_get0_group(k);
pub = EC_POINT_new(grp);
if (!pub)
goto err;
if (!EC_POINT_mul(grp, pub, priv, NULL, NULL, NULL))
goto err;
if (!EC_KEY_set_public_key(k, pub))
goto err;
ok = 1;
err:
if (priv)
BN_clear_free(priv);
if (pub)
EC_POINT_free(pub);
if (ok)
return k;
else if (k)
EC_KEY_free(k);
return NULL;
}
/*
* Known answer test: compute shared secret and check it matches expected
* value.
*/
static int ecdh_kat(BIO *out, const char *cname, int nid,
const unsigned char *k1, size_t k1_len,
const unsigned char *k2, size_t k2_len,
const unsigned char *Z, size_t Zlen)
{
int rv = 0;
EC_KEY *key1 = NULL, *key2 = NULL;
unsigned char *Ztmp = NULL;
size_t Ztmplen;
BIO_puts(out, "Testing ECDH shared secret with ");
BIO_puts(out, cname);
key1 = mk_eckey(nid, k1, k1_len);
key2 = mk_eckey(nid, k2, k2_len);
if (!key1 || !key2)
goto err;
Ztmplen = (EC_GROUP_get_degree(EC_KEY_get0_group(key1)) + 7) / 8;
if (Ztmplen != Zlen)
goto err;
Ztmp = OPENSSL_malloc(Ztmplen);
if (!ECDH_compute_key(Ztmp, Ztmplen,
EC_KEY_get0_public_key(key2), key1, 0))
goto err;
if (memcmp(Ztmp, Z, Zlen))
goto err;
memset(Ztmp, 0, Zlen);
if (!ECDH_compute_key(Ztmp, Ztmplen,
EC_KEY_get0_public_key(key1), key2, 0))
goto err;
if (memcmp(Ztmp, Z, Zlen))
goto err;
rv = 1;
err:
if (key1)
EC_KEY_free(key1);
if (key2)
EC_KEY_free(key2);
if (Ztmp)
OPENSSL_free(Ztmp);
if (rv)
BIO_puts(out, " ok\n");
else {
fprintf(stderr, "Error in ECDH routines\n");
ERR_print_errors_fp(stderr);
}
return rv;
}
# define test_ecdh_kat(bio, curve, bits) \
ecdh_kat(bio, curve, NID_brainpoolP##bits##r1, \
bp##bits##_da, sizeof(bp##bits##_da), \
bp##bits##_db, sizeof(bp##bits##_db), \
bp##bits##_Z, sizeof(bp##bits##_Z))
int main(int argc, char *argv[])
{
BN_CTX *ctx = NULL;
int ret = 1;
BIO *out;
CRYPTO_malloc_debug_init();
CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
# ifdef OPENSSL_SYS_WIN32
CRYPTO_malloc_init();
# endif
RAND_seed(rnd_seed, sizeof rnd_seed);
out = BIO_new(BIO_s_file());
if (out == NULL)
EXIT(1);
BIO_set_fp(out, stdout, BIO_NOCLOSE);
if ((ctx = BN_CTX_new()) == NULL)
goto err;
/* NIST PRIME CURVES TESTS */
if (!test_ecdh_curve
(NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out))
goto err;
if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out))
goto err;
if (!test_ecdh_curve
(NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out))
goto err;
if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out))
goto err;
if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out))
goto err;
# ifndef OPENSSL_NO_EC2M
/* NIST BINARY CURVES TESTS */
if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out))
goto err;
if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out))
goto err;
if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out))
goto err;
if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out))
goto err;
if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out))
goto err;
if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out))
goto err;
if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out))
goto err;
if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out))
goto err;
if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out))
goto err;
if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out))
goto err;
# endif
if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP256r1", 256))
goto err;
if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP384r1", 384))
goto err;
if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP512r1", 512))
goto err;
ret = 0;
err:
ERR_print_errors_fp(stderr);
if (ctx)
BN_CTX_free(ctx);
BIO_free(out);
CRYPTO_cleanup_all_ex_data();
ERR_remove_thread_state(NULL);
CRYPTO_mem_leaks_fp(stderr);
EXIT(ret);
return (ret);
}
# if 0
static void MS_CALLBACK cb(int p, int n, void *arg)
{
char c = '*';
if (p == 0)
c = '.';
if (p == 1)
c = '+';
if (p == 2)
c = '*';
if (p == 3)
c = '\n';
BIO_write((BIO *)arg, &c, 1);
(void)BIO_flush((BIO *)arg);
# ifdef LINT
p = n;
# endif
}
# endif
#endif

98
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/* crypto/ecdh/ech_err.c */
/* ====================================================================
* Copyright (c) 1999-2011 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).
*
*/
/*
* NOTE: this file was auto generated by the mkerr.pl script: any changes
* made to it will be overwritten when the script next updates this file,
* only reason strings will be preserved.
*/
#include <stdio.h>
#include <openssl/err.h>
#include <openssl/ecdh.h>
/* BEGIN ERROR CODES */
#ifndef OPENSSL_NO_ERR
# define ERR_FUNC(func) ERR_PACK(ERR_LIB_ECDH,func,0)
# define ERR_REASON(reason) ERR_PACK(ERR_LIB_ECDH,0,reason)
static ERR_STRING_DATA ECDH_str_functs[] = {
{ERR_FUNC(ECDH_F_ECDH_CHECK), "ECDH_CHECK"},
{ERR_FUNC(ECDH_F_ECDH_COMPUTE_KEY), "ECDH_compute_key"},
{ERR_FUNC(ECDH_F_ECDH_DATA_NEW_METHOD), "ECDH_DATA_new_method"},
{0, NULL}
};
static ERR_STRING_DATA ECDH_str_reasons[] = {
{ERR_REASON(ECDH_R_KDF_FAILED), "KDF failed"},
{ERR_REASON(ECDH_R_NON_FIPS_METHOD), "non fips method"},
{ERR_REASON(ECDH_R_NO_PRIVATE_VALUE), "no private value"},
{ERR_REASON(ECDH_R_POINT_ARITHMETIC_FAILURE), "point arithmetic failure"},
{0, NULL}
};
#endif
void ERR_load_ECDH_strings(void)
{
#ifndef OPENSSL_NO_ERR
if (ERR_func_error_string(ECDH_str_functs[0].error) == NULL) {
ERR_load_strings(0, ECDH_str_functs);
ERR_load_strings(0, ECDH_str_reasons);
}
#endif
}

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openssl-1.0.2f/crypto/ecdh/ech_kdf.c Normal file
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/* crypto/ecdh/ec_kdf.c */
/*
* Written by Stephen Henson for the OpenSSL project.
*/
/* ====================================================================
* Copyright (c) 2013 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.
* ====================================================================
*/
#define OPENSSL_FIPSAPI
#include <string.h>
#include <openssl/ecdh.h>
#include <openssl/evp.h>
/* Key derivation function from X9.62/SECG */
/* Way more than we will ever need */
#define ECDH_KDF_MAX (1 << 30)
int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
const unsigned char *Z, size_t Zlen,
const unsigned char *sinfo, size_t sinfolen,
const EVP_MD *md)
{
EVP_MD_CTX mctx;
int rv = 0;
unsigned int i;
size_t mdlen;
unsigned char ctr[4];
if (sinfolen > ECDH_KDF_MAX || outlen > ECDH_KDF_MAX
|| Zlen > ECDH_KDF_MAX)
return 0;
mdlen = EVP_MD_size(md);
EVP_MD_CTX_init(&mctx);
for (i = 1;; i++) {
unsigned char mtmp[EVP_MAX_MD_SIZE];
EVP_DigestInit_ex(&mctx, md, NULL);
ctr[3] = i & 0xFF;
ctr[2] = (i >> 8) & 0xFF;
ctr[1] = (i >> 16) & 0xFF;
ctr[0] = (i >> 24) & 0xFF;
if (!EVP_DigestUpdate(&mctx, Z, Zlen))
goto err;
if (!EVP_DigestUpdate(&mctx, ctr, sizeof(ctr)))
goto err;
if (!EVP_DigestUpdate(&mctx, sinfo, sinfolen))
goto err;
if (outlen >= mdlen) {
if (!EVP_DigestFinal(&mctx, out, NULL))
goto err;
outlen -= mdlen;
if (outlen == 0)
break;
out += mdlen;
} else {
if (!EVP_DigestFinal(&mctx, mtmp, NULL))
goto err;
memcpy(out, mtmp, outlen);
OPENSSL_cleanse(mtmp, mdlen);
break;
}
}
rv = 1;
err:
EVP_MD_CTX_cleanup(&mctx);
return rv;
}

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openssl-1.0.2f/crypto/ecdh/ech_key.c Normal file
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/* crypto/ecdh/ecdh_key.c */
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
*
* The Elliptic Curve Public-Key Crypto Library (ECC Code) included
* herein is developed by SUN MICROSYSTEMS, INC., and is contributed
* to the OpenSSL project.
*
* The ECC Code is licensed pursuant to the OpenSSL open source
* license provided below.
*
* The ECDH software is originally written by Douglas Stebila of
* Sun Microsystems Laboratories.
*
*/
/* ====================================================================
* Copyright (c) 1998-2003 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 "ech_locl.h"
int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
EC_KEY *eckey,
void *(*KDF) (const void *in, size_t inlen, void *out,
size_t *outlen))
{
ECDH_DATA *ecdh = ecdh_check(eckey);
if (ecdh == NULL)
return 0;
return ecdh->meth->compute_key(out, outlen, pub_key, eckey, KDF);
}

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openssl-1.0.2f/crypto/ecdh/ech_lib.c Normal file
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/* crypto/ecdh/ech_lib.c */
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
*
* The Elliptic Curve Public-Key Crypto Library (ECC Code) included
* herein is developed by SUN MICROSYSTEMS, INC., and is contributed
* to the OpenSSL project.
*
* The ECC Code is licensed pursuant to the OpenSSL open source
* license provided below.
*
* The ECDH software is originally written by Douglas Stebila of
* Sun Microsystems Laboratories.
*
*/
/* ====================================================================
* Copyright (c) 1998-2003 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 "ech_locl.h"
#include <string.h>
#ifndef OPENSSL_NO_ENGINE
# include <openssl/engine.h>
#endif
#include <openssl/err.h>
#ifdef OPENSSL_FIPS
# include <openssl/fips.h>
#endif
const char ECDH_version[] = "ECDH" OPENSSL_VERSION_PTEXT;
static const ECDH_METHOD *default_ECDH_method = NULL;
static void *ecdh_data_new(void);
static void *ecdh_data_dup(void *);
static void ecdh_data_free(void *);
void ECDH_set_default_method(const ECDH_METHOD *meth)
{
default_ECDH_method = meth;
}
const ECDH_METHOD *ECDH_get_default_method(void)
{
if (!default_ECDH_method) {
#ifdef OPENSSL_FIPS
if (FIPS_mode())
return FIPS_ecdh_openssl();
else
return ECDH_OpenSSL();
#else
default_ECDH_method = ECDH_OpenSSL();
#endif
}
return default_ECDH_method;
}
int ECDH_set_method(EC_KEY *eckey, const ECDH_METHOD *meth)
{
ECDH_DATA *ecdh;
ecdh = ecdh_check(eckey);
if (ecdh == NULL)
return 0;
#if 0
mtmp = ecdh->meth;
if (mtmp->finish)
mtmp->finish(eckey);
#endif
#ifndef OPENSSL_NO_ENGINE
if (ecdh->engine) {
ENGINE_finish(ecdh->engine);
ecdh->engine = NULL;
}
#endif
ecdh->meth = meth;
#if 0
if (meth->init)
meth->init(eckey);
#endif
return 1;
}
static ECDH_DATA *ECDH_DATA_new_method(ENGINE *engine)
{
ECDH_DATA *ret;
ret = (ECDH_DATA *)OPENSSL_malloc(sizeof(ECDH_DATA));
if (ret == NULL) {
ECDHerr(ECDH_F_ECDH_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
return (NULL);
}
ret->init = NULL;
ret->meth = ECDH_get_default_method();
ret->engine = engine;
#ifndef OPENSSL_NO_ENGINE
if (!ret->engine)
ret->engine = ENGINE_get_default_ECDH();
if (ret->engine) {
ret->meth = ENGINE_get_ECDH(ret->engine);
if (!ret->meth) {
ECDHerr(ECDH_F_ECDH_DATA_NEW_METHOD, ERR_R_ENGINE_LIB);
ENGINE_finish(ret->engine);
OPENSSL_free(ret);
return NULL;
}
}
#endif
ret->flags = ret->meth->flags;
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDH, ret, &ret->ex_data);
#if 0
if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDH, ret, &ret->ex_data);
OPENSSL_free(ret);
ret = NULL;
}
#endif
return (ret);
}
static void *ecdh_data_new(void)
{
return (void *)ECDH_DATA_new_method(NULL);
}
static void *ecdh_data_dup(void *data)
{
ECDH_DATA *r = (ECDH_DATA *)data;
/* XXX: dummy operation */
if (r == NULL)
return NULL;
return (void *)ecdh_data_new();
}
void ecdh_data_free(void *data)
{
ECDH_DATA *r = (ECDH_DATA *)data;
#ifndef OPENSSL_NO_ENGINE
if (r->engine)
ENGINE_finish(r->engine);
#endif
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDH, r, &r->ex_data);
OPENSSL_cleanse((void *)r, sizeof(ECDH_DATA));
OPENSSL_free(r);
}
ECDH_DATA *ecdh_check(EC_KEY *key)
{
ECDH_DATA *ecdh_data;
void *data = EC_KEY_get_key_method_data(key, ecdh_data_dup,
ecdh_data_free, ecdh_data_free);
if (data == NULL) {
ecdh_data = (ECDH_DATA *)ecdh_data_new();
if (ecdh_data == NULL)
return NULL;
data = EC_KEY_insert_key_method_data(key, (void *)ecdh_data,
ecdh_data_dup, ecdh_data_free,
ecdh_data_free);
if (data != NULL) {
/*
* Another thread raced us to install the key_method data and
* won.
*/
ecdh_data_free(ecdh_data);
ecdh_data = (ECDH_DATA *)data;
}
} else
ecdh_data = (ECDH_DATA *)data;
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !(ecdh_data->flags & ECDH_FLAG_FIPS_METHOD)
&& !(EC_KEY_get_flags(key) & EC_FLAG_NON_FIPS_ALLOW)) {
ECDHerr(ECDH_F_ECDH_CHECK, ECDH_R_NON_FIPS_METHOD);
return NULL;
}
#endif
return ecdh_data;
}
int ECDH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
{
return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDH, argl, argp,
new_func, dup_func, free_func);
}
int ECDH_set_ex_data(EC_KEY *d, int idx, void *arg)
{
ECDH_DATA *ecdh;
ecdh = ecdh_check(d);
if (ecdh == NULL)
return 0;
return (CRYPTO_set_ex_data(&ecdh->ex_data, idx, arg));
}
void *ECDH_get_ex_data(EC_KEY *d, int idx)
{
ECDH_DATA *ecdh;
ecdh = ecdh_check(d);
if (ecdh == NULL)
return NULL;
return (CRYPTO_get_ex_data(&ecdh->ex_data, idx));
}

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openssl-1.0.2f/crypto/ecdh/ech_locl.h Normal file
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/* crypto/ecdh/ech_locl.h */
/* ====================================================================
* Copyright (c) 2000-2005 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
* 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).
*
*/
#ifndef HEADER_ECH_LOCL_H
# define HEADER_ECH_LOCL_H
# include <openssl/ecdh.h>
#ifdef __cplusplus
extern "C" {
#endif
struct ecdh_method {
const char *name;
int (*compute_key) (void *key, size_t outlen, const EC_POINT *pub_key,
EC_KEY *ecdh, void *(*KDF) (const void *in,
size_t inlen, void *out,
size_t *outlen));
# if 0
int (*init) (EC_KEY *eckey);
int (*finish) (EC_KEY *eckey);
# endif
int flags;
char *app_data;
};
/*
* If this flag is set the ECDH method is FIPS compliant and can be used in
* FIPS mode. This is set in the validated module method. If an application
* sets this flag in its own methods it is its responsibility to ensure the
* result is compliant.
*/
# define ECDH_FLAG_FIPS_METHOD 0x1
typedef struct ecdh_data_st {
/* EC_KEY_METH_DATA part */
int (*init) (EC_KEY *);
/* method specific part */
ENGINE *engine;
int flags;
const ECDH_METHOD *meth;
CRYPTO_EX_DATA ex_data;
} ECDH_DATA;
ECDH_DATA *ecdh_check(EC_KEY *);
#ifdef __cplusplus
}
#endif
#endif /* HEADER_ECH_LOCL_H */

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/* crypto/ecdh/ech_ossl.c */
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
*
* The Elliptic Curve Public-Key Crypto Library (ECC Code) included
* herein is developed by SUN MICROSYSTEMS, INC., and is contributed
* to the OpenSSL project.
*
* The ECC Code is licensed pursuant to the OpenSSL open source
* license provided below.
*
* The ECDH software is originally written by Douglas Stebila of
* Sun Microsystems Laboratories.
*
*/
/* ====================================================================
* Copyright (c) 1998-2003 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 <string.h>
#include <limits.h>
#include "cryptlib.h"
#include "ech_locl.h"
#include <openssl/err.h>
#include <openssl/sha.h>
#include <openssl/obj_mac.h>
#include <openssl/bn.h>
static int ecdh_compute_key(void *out, size_t len, const EC_POINT *pub_key,
EC_KEY *ecdh,
void *(*KDF) (const void *in, size_t inlen,
void *out, size_t *outlen));
static ECDH_METHOD openssl_ecdh_meth = {
"OpenSSL ECDH method",
ecdh_compute_key,
#if 0
NULL, /* init */
NULL, /* finish */
#endif
0, /* flags */
NULL /* app_data */
};
const ECDH_METHOD *ECDH_OpenSSL(void)
{
return &openssl_ecdh_meth;
}
/*-
* This implementation is based on the following primitives in the IEEE 1363 standard:
* - ECKAS-DH1
* - ECSVDP-DH
* Finally an optional KDF is applied.
*/
static int ecdh_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
EC_KEY *ecdh,
void *(*KDF) (const void *in, size_t inlen,
void *out, size_t *outlen))
{
BN_CTX *ctx;
EC_POINT *tmp = NULL;
BIGNUM *x = NULL, *y = NULL;
const BIGNUM *priv_key;
const EC_GROUP *group;
int ret = -1;
size_t buflen, len;
unsigned char *buf = NULL;
if (outlen > INT_MAX) {
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_MALLOC_FAILURE); /* sort of,
* anyway */
return -1;
}
if ((ctx = BN_CTX_new()) == NULL)
goto err;
BN_CTX_start(ctx);
x = BN_CTX_get(ctx);
y = BN_CTX_get(ctx);
priv_key = EC_KEY_get0_private_key(ecdh);
if (priv_key == NULL) {
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ECDH_R_NO_PRIVATE_VALUE);
goto err;
}
group = EC_KEY_get0_group(ecdh);
if (EC_KEY_get_flags(ecdh) & EC_FLAG_COFACTOR_ECDH) {
if (!EC_GROUP_get_cofactor(group, x, ctx) ||
!BN_mul(x, x, priv_key, ctx)) {
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_MALLOC_FAILURE);
goto err;
}
priv_key = x;
}
if ((tmp = EC_POINT_new(group)) == NULL) {
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_MALLOC_FAILURE);
goto err;
}
if (!EC_POINT_mul(group, tmp, NULL, pub_key, priv_key, ctx)) {
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ECDH_R_POINT_ARITHMETIC_FAILURE);
goto err;
}
if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
NID_X9_62_prime_field) {
if (!EC_POINT_get_affine_coordinates_GFp(group, tmp, x, y, ctx)) {
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ECDH_R_POINT_ARITHMETIC_FAILURE);
goto err;
}
}
#ifndef OPENSSL_NO_EC2M
else {
if (!EC_POINT_get_affine_coordinates_GF2m(group, tmp, x, y, ctx)) {
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ECDH_R_POINT_ARITHMETIC_FAILURE);
goto err;
}
}
#endif
buflen = (EC_GROUP_get_degree(group) + 7) / 8;
len = BN_num_bytes(x);
if (len > buflen) {
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_INTERNAL_ERROR);
goto err;
}
if ((buf = OPENSSL_malloc(buflen)) == NULL) {
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_MALLOC_FAILURE);
goto err;
}
memset(buf, 0, buflen - len);
if (len != (size_t)BN_bn2bin(x, buf + buflen - len)) {
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_BN_LIB);
goto err;
}
if (KDF != 0) {
if (KDF(buf, buflen, out, &outlen) == NULL) {
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ECDH_R_KDF_FAILED);
goto err;
}
ret = outlen;
} else {
/* no KDF, just copy as much as we can */
if (outlen > buflen)
outlen = buflen;
memcpy(out, buf, outlen);
ret = outlen;
}
err:
if (tmp)
EC_POINT_free(tmp);
if (ctx)
BN_CTX_end(ctx);
if (ctx)
BN_CTX_free(ctx);
if (buf)
OPENSSL_free(buf);
return (ret);
}

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openssl-1.0.2f/crypto/ecdh/lib Normal file
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