mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-08-09 07:23:56 +08:00
first commit, SM2-DSA only
This commit is contained in:
Zhi Guan
140
crypto/ecdsa/Makefile
Normal file
140
crypto/ecdsa/Makefile
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@@ -0,0 +1,140 @@
|
||||
#
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||||
# crypto/ecdsa/Makefile
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#
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||||
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DIR= ecdsa
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TOP= ../..
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CC= cc
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||||
INCLUDES= -I.. -I$(TOP) -I../../include
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CFLAG=-g -Wall
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MAKEFILE= Makefile
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||||
AR= ar r
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||||
|
||||
CFLAGS= $(INCLUDES) $(CFLAG)
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||||
|
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GENERAL=Makefile
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||||
TEST=ecdsatest.c
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APPS=
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LIB=$(TOP)/libcrypto.a
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LIBSRC= ecs_lib.c ecs_asn1.c ecs_ossl.c ecs_sign.c ecs_vrf.c ecs_err.c
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|
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LIBOBJ= ecs_lib.o ecs_asn1.o ecs_ossl.o ecs_sign.o ecs_vrf.o ecs_err.o
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|
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SRC= $(LIBSRC)
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|
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EXHEADER= ecdsa.h
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HEADER= ecs_locl.h $(EXHEADER)
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ALL= $(GENERAL) $(SRC) $(HEADER)
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top:
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(cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
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all: lib
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lib: $(LIBOBJ)
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$(AR) $(LIB) $(LIBOBJ)
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$(RANLIB) $(LIB) || echo Never mind.
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@touch lib
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||||
files:
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||||
$(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
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||||
|
||||
links:
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@$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
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||||
@$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
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||||
@$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
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||||
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||||
install:
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||||
@[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
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||||
@headerlist="$(EXHEADER)"; for i in $$headerlist; \
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do \
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(cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
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chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
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done;
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|
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tags:
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||||
ctags $(SRC)
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||||
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||||
tests:
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||||
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||||
lint:
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lint -DLINT $(INCLUDES) $(SRC)>fluff
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depend:
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||||
@[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile...
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||||
$(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
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||||
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dclean:
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$(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
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mv -f Makefile.new $(MAKEFILE)
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clean:
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rm -f *.o */*.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
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# DO NOT DELETE THIS LINE -- make depend depends on it.
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ecs_asn1.o: ../../include/openssl/asn1.h ../../include/openssl/asn1t.h
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ecs_asn1.o: ../../include/openssl/bio.h ../../include/openssl/crypto.h
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ecs_asn1.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
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ecs_asn1.o: ../../include/openssl/ecdsa.h ../../include/openssl/err.h
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||||
ecs_asn1.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
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||||
ecs_asn1.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
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||||
ecs_asn1.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
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ecs_asn1.o: ../../include/openssl/symhacks.h ecs_asn1.c ecs_locl.h
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||||
ecs_err.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
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||||
ecs_err.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
|
||||
ecs_err.o: ../../include/openssl/ec.h ../../include/openssl/ecdsa.h
|
||||
ecs_err.o: ../../include/openssl/err.h ../../include/openssl/lhash.h
|
||||
ecs_err.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
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||||
ecs_err.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h
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||||
ecs_err.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
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||||
ecs_err.o: ecs_err.c
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||||
ecs_lib.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
|
||||
ecs_lib.o: ../../include/openssl/bn.h ../../include/openssl/buffer.h
|
||||
ecs_lib.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
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||||
ecs_lib.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
|
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ecs_lib.o: ../../include/openssl/ecdsa.h ../../include/openssl/engine.h
|
||||
ecs_lib.o: ../../include/openssl/err.h ../../include/openssl/evp.h
|
||||
ecs_lib.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
|
||||
ecs_lib.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
|
||||
ecs_lib.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
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||||
ecs_lib.o: ../../include/openssl/pkcs7.h ../../include/openssl/safestack.h
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||||
ecs_lib.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
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||||
ecs_lib.o: ../../include/openssl/symhacks.h ../../include/openssl/x509.h
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ecs_lib.o: ../../include/openssl/x509_vfy.h ecs_lib.c ecs_locl.h
|
||||
ecs_ossl.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
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||||
ecs_ossl.o: ../../include/openssl/bn.h ../../include/openssl/crypto.h
|
||||
ecs_ossl.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
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||||
ecs_ossl.o: ../../include/openssl/ecdsa.h ../../include/openssl/err.h
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||||
ecs_ossl.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
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||||
ecs_ossl.o: ../../include/openssl/opensslconf.h
|
||||
ecs_ossl.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
|
||||
ecs_ossl.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
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||||
ecs_ossl.o: ../../include/openssl/symhacks.h ecs_locl.h ecs_ossl.c
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ecs_sign.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
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ecs_sign.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
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||||
ecs_sign.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
|
||||
ecs_sign.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h
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||||
ecs_sign.o: ../../include/openssl/engine.h ../../include/openssl/evp.h
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||||
ecs_sign.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
|
||||
ecs_sign.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
|
||||
ecs_sign.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
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||||
ecs_sign.o: ../../include/openssl/pkcs7.h ../../include/openssl/rand.h
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||||
ecs_sign.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
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||||
ecs_sign.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
|
||||
ecs_sign.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h
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||||
ecs_sign.o: ecs_locl.h ecs_sign.c
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||||
ecs_vrf.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
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||||
ecs_vrf.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
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||||
ecs_vrf.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
|
||||
ecs_vrf.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h
|
||||
ecs_vrf.o: ../../include/openssl/engine.h ../../include/openssl/evp.h
|
||||
ecs_vrf.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
|
||||
ecs_vrf.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
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||||
ecs_vrf.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
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||||
ecs_vrf.o: ../../include/openssl/pkcs7.h ../../include/openssl/safestack.h
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||||
ecs_vrf.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
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||||
ecs_vrf.o: ../../include/openssl/symhacks.h ../../include/openssl/x509.h
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||||
ecs_vrf.o: ../../include/openssl/x509_vfy.h ecs_locl.h ecs_vrf.c
|
||||
258
crypto/ecdsa/ecdsa.h
Normal file
258
crypto/ecdsa/ecdsa.h
Normal file
@@ -0,0 +1,258 @@
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||||
/* crypto/ecdsa/ecdsa.h */
|
||||
/**
|
||||
* \file crypto/ecdsa/ecdsa.h Include file for the OpenSSL ECDSA functions
|
||||
* \author Written by Nils Larsch for the OpenSSL project
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||||
*/
|
||||
/* ====================================================================
|
||||
* 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_ECDSA_H
|
||||
#define HEADER_ECDSA_H
|
||||
|
||||
#include <openssl/opensslconf.h>
|
||||
|
||||
#ifdef OPENSSL_NO_ECDSA
|
||||
#error ECDSA 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
|
||||
|
||||
typedef struct ECDSA_SIG_st
|
||||
{
|
||||
BIGNUM *r;
|
||||
BIGNUM *s;
|
||||
} ECDSA_SIG;
|
||||
|
||||
/** Allocates and initialize a ECDSA_SIG structure
|
||||
* \return pointer to a ECDSA_SIG structure or NULL if an error occurred
|
||||
*/
|
||||
ECDSA_SIG *ECDSA_SIG_new(void);
|
||||
|
||||
/** frees a ECDSA_SIG structure
|
||||
* \param sig pointer to the ECDSA_SIG structure
|
||||
*/
|
||||
void ECDSA_SIG_free(ECDSA_SIG *sig);
|
||||
|
||||
/** DER encode content of ECDSA_SIG object (note: this function modifies *pp
|
||||
* (*pp += length of the DER encoded signature)).
|
||||
* \param sig pointer to the ECDSA_SIG object
|
||||
* \param pp pointer to a unsigned char pointer for the output or NULL
|
||||
* \return the length of the DER encoded ECDSA_SIG object or 0
|
||||
*/
|
||||
int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp);
|
||||
|
||||
/** Decodes a DER encoded ECDSA signature (note: this function changes *pp
|
||||
* (*pp += len)).
|
||||
* \param sig pointer to ECDSA_SIG pointer (may be NULL)
|
||||
* \param pp memory buffer with the DER encoded signature
|
||||
* \param len length of the buffer
|
||||
* \return pointer to the decoded ECDSA_SIG structure (or NULL)
|
||||
*/
|
||||
ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len);
|
||||
|
||||
/** Computes the ECDSA signature of the given hash value using
|
||||
* the supplied private key and returns the created signature.
|
||||
* \param dgst pointer to the hash value
|
||||
* \param dgst_len length of the hash value
|
||||
* \param eckey EC_KEY object containing a private EC key
|
||||
* \return pointer to a ECDSA_SIG structure or NULL if an error occurred
|
||||
*/
|
||||
ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst,int dgst_len,EC_KEY *eckey);
|
||||
|
||||
/** Computes ECDSA signature of a given hash value using the supplied
|
||||
* private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
|
||||
* \param dgst pointer to the hash value to sign
|
||||
* \param dgstlen length of the hash value
|
||||
* \param kinv BIGNUM with a pre-computed inverse k (optional)
|
||||
* \param rp BIGNUM with a pre-computed rp value (optioanl),
|
||||
* see ECDSA_sign_setup
|
||||
* \param eckey EC_KEY object containing a private EC key
|
||||
* \return pointer to a ECDSA_SIG structure or NULL if an error occurred
|
||||
*/
|
||||
ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen,
|
||||
const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey);
|
||||
|
||||
/** Verifies that the supplied signature is a valid ECDSA
|
||||
* signature of the supplied hash value using the supplied public key.
|
||||
* \param dgst pointer to the hash value
|
||||
* \param dgst_len length of the hash value
|
||||
* \param sig ECDSA_SIG structure
|
||||
* \param eckey EC_KEY object containing a public EC key
|
||||
* \return 1 if the signature is valid, 0 if the signature is invalid
|
||||
* and -1 on error
|
||||
*/
|
||||
int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
|
||||
const ECDSA_SIG *sig, EC_KEY* eckey);
|
||||
|
||||
const ECDSA_METHOD *ECDSA_OpenSSL(void);
|
||||
|
||||
/** Sets the default ECDSA method
|
||||
* \param meth new default ECDSA_METHOD
|
||||
*/
|
||||
void ECDSA_set_default_method(const ECDSA_METHOD *meth);
|
||||
|
||||
/** Returns the default ECDSA method
|
||||
* \return pointer to ECDSA_METHOD structure containing the default method
|
||||
*/
|
||||
const ECDSA_METHOD *ECDSA_get_default_method(void);
|
||||
|
||||
/** Sets method to be used for the ECDSA operations
|
||||
* \param eckey EC_KEY object
|
||||
* \param meth new method
|
||||
* \return 1 on success and 0 otherwise
|
||||
*/
|
||||
int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth);
|
||||
|
||||
/** Returns the maximum length of the DER encoded signature
|
||||
* \param eckey EC_KEY object
|
||||
* \return numbers of bytes required for the DER encoded signature
|
||||
*/
|
||||
int ECDSA_size(const EC_KEY *eckey);
|
||||
|
||||
/** Precompute parts of the signing operation
|
||||
* \param eckey EC_KEY object containing a private EC key
|
||||
* \param ctx BN_CTX object (optional)
|
||||
* \param kinv BIGNUM pointer for the inverse of k
|
||||
* \param rp BIGNUM pointer for x coordinate of k * generator
|
||||
* \return 1 on success and 0 otherwise
|
||||
*/
|
||||
int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
|
||||
BIGNUM **rp);
|
||||
|
||||
/** Computes ECDSA signature of a given hash value using the supplied
|
||||
* private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
|
||||
* \param type this parameter is ignored
|
||||
* \param dgst pointer to the hash value to sign
|
||||
* \param dgstlen length of the hash value
|
||||
* \param sig memory for the DER encoded created signature
|
||||
* \param siglen pointer to the length of the returned signature
|
||||
* \param eckey EC_KEY object containing a private EC key
|
||||
* \return 1 on success and 0 otherwise
|
||||
*/
|
||||
int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen,
|
||||
unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
|
||||
|
||||
|
||||
/** Computes ECDSA signature of a given hash value using the supplied
|
||||
* private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
|
||||
* \param type this parameter is ignored
|
||||
* \param dgst pointer to the hash value to sign
|
||||
* \param dgstlen length of the hash value
|
||||
* \param sig buffer to hold the DER encoded signature
|
||||
* \param siglen pointer to the length of the returned signature
|
||||
* \param kinv BIGNUM with a pre-computed inverse k (optional)
|
||||
* \param rp BIGNUM with a pre-computed rp value (optioanl),
|
||||
* see ECDSA_sign_setup
|
||||
* \param eckey EC_KEY object containing a private EC key
|
||||
* \return 1 on success and 0 otherwise
|
||||
*/
|
||||
int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen,
|
||||
unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv,
|
||||
const BIGNUM *rp, EC_KEY *eckey);
|
||||
|
||||
/** Verifies that the given signature is valid ECDSA signature
|
||||
* of the supplied hash value using the specified public key.
|
||||
* \param type this parameter is ignored
|
||||
* \param dgst pointer to the hash value
|
||||
* \param dgstlen length of the hash value
|
||||
* \param sig pointer to the DER encoded signature
|
||||
* \param siglen length of the DER encoded signature
|
||||
* \param eckey EC_KEY object containing a public EC key
|
||||
* \return 1 if the signature is valid, 0 if the signature is invalid
|
||||
* and -1 on error
|
||||
*/
|
||||
int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen,
|
||||
const unsigned char *sig, int siglen, EC_KEY *eckey);
|
||||
|
||||
/* the standard ex_data functions */
|
||||
int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new
|
||||
*new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
|
||||
int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg);
|
||||
void *ECDSA_get_ex_data(EC_KEY *d, int idx);
|
||||
|
||||
/* 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_ECDSA_strings(void);
|
||||
|
||||
/* Error codes for the ECDSA functions. */
|
||||
|
||||
/* Function codes. */
|
||||
#define ECDSA_F_ECDSA_DATA_NEW_METHOD 100
|
||||
#define ECDSA_F_ECDSA_DO_SIGN 101
|
||||
#define ECDSA_F_ECDSA_DO_VERIFY 102
|
||||
#define ECDSA_F_ECDSA_SIGN_SETUP 103
|
||||
#define ECDSA_F_ECDSA_COMPUTE_SM2_ZA 104
|
||||
|
||||
/* Reason codes. */
|
||||
#define ECDSA_R_BAD_SIGNATURE 100
|
||||
#define ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 101
|
||||
#define ECDSA_R_ERR_EC_LIB 102
|
||||
#define ECDSA_R_MISSING_PARAMETERS 103
|
||||
#define ECDSA_R_NEED_NEW_SETUP_VALUES 106
|
||||
#define ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED 104
|
||||
#define ECDSA_R_SIGNATURE_MALLOC_FAILED 105
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
500
crypto/ecdsa/ecdsatest.c
Normal file
500
crypto/ecdsa/ecdsatest.c
Normal file
@@ -0,0 +1,500 @@
|
||||
/* crypto/ecdsa/ecdsatest.c */
|
||||
/*
|
||||
* Written by Nils Larsch for the OpenSSL project.
|
||||
*/
|
||||
/* ====================================================================
|
||||
* 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).
|
||||
*
|
||||
*/
|
||||
/* ====================================================================
|
||||
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
|
||||
*
|
||||
* Portions of the attached software ("Contribution") are developed by
|
||||
* SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
|
||||
*
|
||||
* The Contribution is licensed pursuant to the OpenSSL open source
|
||||
* license provided above.
|
||||
*
|
||||
* The elliptic curve binary polynomial software is originally written by
|
||||
* Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <openssl/opensslconf.h> /* To see if OPENSSL_NO_ECDSA is defined */
|
||||
|
||||
#ifdef OPENSSL_NO_ECDSA
|
||||
int main(int argc, char * argv[])
|
||||
{
|
||||
puts("Elliptic curves are disabled.");
|
||||
return 0;
|
||||
}
|
||||
#else
|
||||
|
||||
#include <openssl/crypto.h>
|
||||
#include <openssl/bio.h>
|
||||
#include <openssl/evp.h>
|
||||
#include <openssl/bn.h>
|
||||
#include <openssl/ecdsa.h>
|
||||
#ifndef OPENSSL_NO_ENGINE
|
||||
#include <openssl/engine.h>
|
||||
#endif
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/rand.h>
|
||||
|
||||
static const char rnd_seed[] = "string to make the random number generator "
|
||||
"think it has entropy";
|
||||
|
||||
/* declaration of the test functions */
|
||||
int x9_62_tests(BIO *);
|
||||
int x9_62_test_internal(BIO *out, int nid, const char *r, const char *s);
|
||||
int test_builtin(BIO *);
|
||||
|
||||
/* functions to change the RAND_METHOD */
|
||||
int change_rand(void);
|
||||
int restore_rand(void);
|
||||
int fbytes(unsigned char *buf, int num);
|
||||
|
||||
RAND_METHOD fake_rand;
|
||||
const RAND_METHOD *old_rand;
|
||||
|
||||
int change_rand(void)
|
||||
{
|
||||
/* save old rand method */
|
||||
if ((old_rand = RAND_get_rand_method()) == NULL)
|
||||
return 0;
|
||||
|
||||
fake_rand.seed = old_rand->seed;
|
||||
fake_rand.cleanup = old_rand->cleanup;
|
||||
fake_rand.add = old_rand->add;
|
||||
fake_rand.status = old_rand->status;
|
||||
/* use own random function */
|
||||
fake_rand.bytes = fbytes;
|
||||
fake_rand.pseudorand = old_rand->bytes;
|
||||
/* set new RAND_METHOD */
|
||||
if (!RAND_set_rand_method(&fake_rand))
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
int restore_rand(void)
|
||||
{
|
||||
if (!RAND_set_rand_method(old_rand))
|
||||
return 0;
|
||||
else
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int fbytes_counter = 0;
|
||||
static const char *numbers[8] = {
|
||||
"651056770906015076056810763456358567190100156695615665659",
|
||||
"6140507067065001063065065565667405560006161556565665656654",
|
||||
"8763001015071075675010661307616710783570106710677817767166"
|
||||
"71676178726717",
|
||||
"7000000175690566466555057817571571075705015757757057795755"
|
||||
"55657156756655",
|
||||
"1275552191113212300012030439187146164646146646466749494799",
|
||||
"1542725565216523985789236956265265265235675811949404040041",
|
||||
"1456427555219115346513212300075341203043918714616464614664"
|
||||
"64667494947990",
|
||||
"1712787255652165239672857892369562652652652356758119494040"
|
||||
"40041670216363"};
|
||||
|
||||
int fbytes(unsigned char *buf, int num)
|
||||
{
|
||||
int ret;
|
||||
BIGNUM *tmp = NULL;
|
||||
|
||||
if (fbytes_counter >= 8)
|
||||
return 0;
|
||||
tmp = BN_new();
|
||||
if (!tmp)
|
||||
return 0;
|
||||
if (!BN_dec2bn(&tmp, numbers[fbytes_counter]))
|
||||
{
|
||||
BN_free(tmp);
|
||||
return 0;
|
||||
}
|
||||
fbytes_counter ++;
|
||||
ret = BN_bn2bin(tmp, buf);
|
||||
if (ret == 0 || ret != num)
|
||||
ret = 0;
|
||||
else
|
||||
ret = 1;
|
||||
if (tmp)
|
||||
BN_free(tmp);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* some tests from the X9.62 draft */
|
||||
int x9_62_test_internal(BIO *out, int nid, const char *r_in, const char *s_in)
|
||||
{
|
||||
int ret = 0;
|
||||
const char message[] = "abc";
|
||||
unsigned char digest[20];
|
||||
unsigned int dgst_len = 0;
|
||||
EVP_MD_CTX md_ctx;
|
||||
EC_KEY *key = NULL;
|
||||
ECDSA_SIG *signature = NULL;
|
||||
BIGNUM *r = NULL, *s = NULL;
|
||||
|
||||
EVP_MD_CTX_init(&md_ctx);
|
||||
/* get the message digest */
|
||||
EVP_DigestInit(&md_ctx, EVP_ecdsa());
|
||||
EVP_DigestUpdate(&md_ctx, (const void*)message, 3);
|
||||
EVP_DigestFinal(&md_ctx, digest, &dgst_len);
|
||||
|
||||
BIO_printf(out, "testing %s: ", OBJ_nid2sn(nid));
|
||||
/* create the key */
|
||||
if ((key = EC_KEY_new_by_curve_name(nid)) == NULL)
|
||||
goto x962_int_err;
|
||||
if (!EC_KEY_generate_key(key))
|
||||
goto x962_int_err;
|
||||
BIO_printf(out, ".");
|
||||
(void)BIO_flush(out);
|
||||
/* create the signature */
|
||||
signature = ECDSA_do_sign(digest, 20, key);
|
||||
if (signature == NULL)
|
||||
goto x962_int_err;
|
||||
BIO_printf(out, ".");
|
||||
(void)BIO_flush(out);
|
||||
/* compare the created signature with the expected signature */
|
||||
if ((r = BN_new()) == NULL || (s = BN_new()) == NULL)
|
||||
goto x962_int_err;
|
||||
if (!BN_dec2bn(&r, r_in) ||
|
||||
!BN_dec2bn(&s, s_in))
|
||||
goto x962_int_err;
|
||||
if (BN_cmp(signature->r ,r) || BN_cmp(signature->s, s))
|
||||
goto x962_int_err;
|
||||
BIO_printf(out, ".");
|
||||
(void)BIO_flush(out);
|
||||
/* verify the signature */
|
||||
if (ECDSA_do_verify(digest, 20, signature, key) != 1)
|
||||
goto x962_int_err;
|
||||
BIO_printf(out, ".");
|
||||
(void)BIO_flush(out);
|
||||
|
||||
BIO_printf(out, " ok\n");
|
||||
ret = 1;
|
||||
x962_int_err:
|
||||
if (!ret)
|
||||
BIO_printf(out, " failed\n");
|
||||
if (key)
|
||||
EC_KEY_free(key);
|
||||
if (signature)
|
||||
ECDSA_SIG_free(signature);
|
||||
if (r)
|
||||
BN_free(r);
|
||||
if (s)
|
||||
BN_free(s);
|
||||
EVP_MD_CTX_cleanup(&md_ctx);
|
||||
return ret;
|
||||
}
|
||||
|
||||
int x9_62_tests(BIO *out)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
BIO_printf(out, "some tests from X9.62:\n");
|
||||
|
||||
/* set own rand method */
|
||||
if (!change_rand())
|
||||
goto x962_err;
|
||||
|
||||
if (!x9_62_test_internal(out, NID_X9_62_prime192v1,
|
||||
"3342403536405981729393488334694600415596881826869351677613",
|
||||
"5735822328888155254683894997897571951568553642892029982342"))
|
||||
goto x962_err;
|
||||
if (!x9_62_test_internal(out, NID_X9_62_prime239v1,
|
||||
"3086361431751678114926225473006680188549593787585317781474"
|
||||
"62058306432176",
|
||||
"3238135532097973577080787768312505059318910517550078427819"
|
||||
"78505179448783"))
|
||||
goto x962_err;
|
||||
if (!x9_62_test_internal(out, NID_X9_62_c2tnb191v1,
|
||||
"87194383164871543355722284926904419997237591535066528048",
|
||||
"308992691965804947361541664549085895292153777025772063598"))
|
||||
goto x962_err;
|
||||
if (!x9_62_test_internal(out, NID_X9_62_c2tnb239v1,
|
||||
"2159633321041961198501834003903461262881815148684178964245"
|
||||
"5876922391552",
|
||||
"1970303740007316867383349976549972270528498040721988191026"
|
||||
"49413465737174"))
|
||||
goto x962_err;
|
||||
|
||||
ret = 1;
|
||||
x962_err:
|
||||
if (!restore_rand())
|
||||
ret = 0;
|
||||
return ret;
|
||||
}
|
||||
|
||||
int test_builtin(BIO *out)
|
||||
{
|
||||
EC_builtin_curve *curves = NULL;
|
||||
size_t crv_len = 0, n = 0;
|
||||
EC_KEY *eckey = NULL, *wrong_eckey = NULL;
|
||||
EC_GROUP *group;
|
||||
unsigned char digest[20], wrong_digest[20];
|
||||
unsigned char *signature = NULL;
|
||||
unsigned int sig_len;
|
||||
int nid, ret = 0;
|
||||
|
||||
/* fill digest values with some random data */
|
||||
if (!RAND_pseudo_bytes(digest, 20) ||
|
||||
!RAND_pseudo_bytes(wrong_digest, 20))
|
||||
{
|
||||
BIO_printf(out, "ERROR: unable to get random data\n");
|
||||
goto builtin_err;
|
||||
}
|
||||
|
||||
/* create and verify a ecdsa signature with every availble curve
|
||||
* (with ) */
|
||||
BIO_printf(out, "\ntesting ECDSA_sign() and ECDSA_verify() "
|
||||
"with some internal curves:\n");
|
||||
|
||||
/* get a list of all internal curves */
|
||||
crv_len = EC_get_builtin_curves(NULL, 0);
|
||||
|
||||
curves = OPENSSL_malloc(sizeof(EC_builtin_curve) * crv_len);
|
||||
|
||||
if (curves == NULL)
|
||||
{
|
||||
BIO_printf(out, "malloc error\n");
|
||||
goto builtin_err;
|
||||
}
|
||||
|
||||
if (!EC_get_builtin_curves(curves, crv_len))
|
||||
{
|
||||
BIO_printf(out, "unable to get internal curves\n");
|
||||
goto builtin_err;
|
||||
}
|
||||
|
||||
/* now create and verify a signature for every curve */
|
||||
for (n = 0; n < crv_len; n++)
|
||||
{
|
||||
unsigned char dirt, offset;
|
||||
|
||||
nid = curves[n].nid;
|
||||
if (nid == NID_ipsec4)
|
||||
continue;
|
||||
/* create new ecdsa key (== EC_KEY) */
|
||||
if ((eckey = EC_KEY_new()) == NULL)
|
||||
goto builtin_err;
|
||||
group = EC_GROUP_new_by_curve_name(nid);
|
||||
if (group == NULL)
|
||||
goto builtin_err;
|
||||
if (EC_KEY_set_group(eckey, group) == 0)
|
||||
goto builtin_err;
|
||||
EC_GROUP_free(group);
|
||||
if (EC_GROUP_get_degree(EC_KEY_get0_group(eckey)) < 160)
|
||||
/* drop the curve */
|
||||
{
|
||||
EC_KEY_free(eckey);
|
||||
eckey = NULL;
|
||||
continue;
|
||||
}
|
||||
BIO_printf(out, "%s: ", OBJ_nid2sn(nid));
|
||||
/* create key */
|
||||
if (!EC_KEY_generate_key(eckey))
|
||||
{
|
||||
BIO_printf(out, " failed\n");
|
||||
goto builtin_err;
|
||||
}
|
||||
/* create second key */
|
||||
if ((wrong_eckey = EC_KEY_new()) == NULL)
|
||||
goto builtin_err;
|
||||
group = EC_GROUP_new_by_curve_name(nid);
|
||||
if (group == NULL)
|
||||
goto builtin_err;
|
||||
if (EC_KEY_set_group(wrong_eckey, group) == 0)
|
||||
goto builtin_err;
|
||||
EC_GROUP_free(group);
|
||||
if (!EC_KEY_generate_key(wrong_eckey))
|
||||
{
|
||||
BIO_printf(out, " failed\n");
|
||||
goto builtin_err;
|
||||
}
|
||||
|
||||
BIO_printf(out, ".");
|
||||
(void)BIO_flush(out);
|
||||
/* check key */
|
||||
if (!EC_KEY_check_key(eckey))
|
||||
{
|
||||
BIO_printf(out, " failed\n");
|
||||
goto builtin_err;
|
||||
}
|
||||
BIO_printf(out, ".");
|
||||
(void)BIO_flush(out);
|
||||
/* create signature */
|
||||
sig_len = ECDSA_size(eckey);
|
||||
if ((signature = OPENSSL_malloc(sig_len)) == NULL)
|
||||
goto builtin_err;
|
||||
if (!ECDSA_sign(0, digest, 20, signature, &sig_len, eckey))
|
||||
{
|
||||
BIO_printf(out, " failed\n");
|
||||
goto builtin_err;
|
||||
}
|
||||
BIO_printf(out, ".");
|
||||
(void)BIO_flush(out);
|
||||
/* verify signature */
|
||||
if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1)
|
||||
{
|
||||
BIO_printf(out, " failed\n");
|
||||
goto builtin_err;
|
||||
}
|
||||
BIO_printf(out, ".");
|
||||
(void)BIO_flush(out);
|
||||
/* verify signature with the wrong key */
|
||||
if (ECDSA_verify(0, digest, 20, signature, sig_len,
|
||||
wrong_eckey) == 1)
|
||||
{
|
||||
BIO_printf(out, " failed\n");
|
||||
goto builtin_err;
|
||||
}
|
||||
BIO_printf(out, ".");
|
||||
(void)BIO_flush(out);
|
||||
/* wrong digest */
|
||||
if (ECDSA_verify(0, wrong_digest, 20, signature, sig_len,
|
||||
eckey) == 1)
|
||||
{
|
||||
BIO_printf(out, " failed\n");
|
||||
goto builtin_err;
|
||||
}
|
||||
BIO_printf(out, ".");
|
||||
(void)BIO_flush(out);
|
||||
/* modify a single byte of the signature */
|
||||
offset = signature[10] % sig_len;
|
||||
dirt = signature[11];
|
||||
signature[offset] ^= dirt ? dirt : 1;
|
||||
if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) == 1)
|
||||
{
|
||||
BIO_printf(out, " failed\n");
|
||||
goto builtin_err;
|
||||
}
|
||||
BIO_printf(out, ".");
|
||||
(void)BIO_flush(out);
|
||||
|
||||
BIO_printf(out, " ok\n");
|
||||
/* cleanup */
|
||||
OPENSSL_free(signature);
|
||||
signature = NULL;
|
||||
EC_KEY_free(eckey);
|
||||
eckey = NULL;
|
||||
EC_KEY_free(wrong_eckey);
|
||||
wrong_eckey = NULL;
|
||||
}
|
||||
|
||||
ret = 1;
|
||||
builtin_err:
|
||||
if (eckey)
|
||||
EC_KEY_free(eckey);
|
||||
if (wrong_eckey)
|
||||
EC_KEY_free(wrong_eckey);
|
||||
if (signature)
|
||||
OPENSSL_free(signature);
|
||||
if (curves)
|
||||
OPENSSL_free(curves);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int main(void)
|
||||
{
|
||||
int ret = 1;
|
||||
BIO *out;
|
||||
|
||||
out = BIO_new_fp(stdout, BIO_NOCLOSE);
|
||||
|
||||
/* enable memory leak checking unless explicitly disabled */
|
||||
if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) &&
|
||||
(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
|
||||
{
|
||||
CRYPTO_malloc_debug_init();
|
||||
CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* OPENSSL_DEBUG_MEMORY=off */
|
||||
CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
|
||||
}
|
||||
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
|
||||
|
||||
ERR_load_crypto_strings();
|
||||
|
||||
/* initialize the prng */
|
||||
RAND_seed(rnd_seed, sizeof(rnd_seed));
|
||||
|
||||
/* the tests */
|
||||
if (!x9_62_tests(out)) goto err;
|
||||
if (!test_builtin(out)) goto err;
|
||||
|
||||
ret = 0;
|
||||
err:
|
||||
if (ret)
|
||||
BIO_printf(out, "\nECDSA test failed\n");
|
||||
else
|
||||
BIO_printf(out, "\nECDSA test passed\n");
|
||||
if (ret)
|
||||
ERR_print_errors(out);
|
||||
CRYPTO_cleanup_all_ex_data();
|
||||
ERR_remove_thread_state(NULL);
|
||||
ERR_free_strings();
|
||||
CRYPTO_mem_leaks(out);
|
||||
if (out != NULL)
|
||||
BIO_free(out);
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
67
crypto/ecdsa/ecs_asn1.c
Normal file
67
crypto/ecdsa/ecs_asn1.c
Normal file
@@ -0,0 +1,67 @@
|
||||
/* crypto/ecdsa/ecs_asn1.c */
|
||||
/* ====================================================================
|
||||
* 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).
|
||||
*
|
||||
*/
|
||||
|
||||
#include "ecs_locl.h"
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/asn1t.h>
|
||||
|
||||
ASN1_SEQUENCE(ECDSA_SIG) = {
|
||||
ASN1_SIMPLE(ECDSA_SIG, r, CBIGNUM),
|
||||
ASN1_SIMPLE(ECDSA_SIG, s, CBIGNUM)
|
||||
} ASN1_SEQUENCE_END(ECDSA_SIG)
|
||||
|
||||
DECLARE_ASN1_FUNCTIONS_const(ECDSA_SIG)
|
||||
DECLARE_ASN1_ENCODE_FUNCTIONS_const(ECDSA_SIG, ECDSA_SIG)
|
||||
IMPLEMENT_ASN1_FUNCTIONS_const(ECDSA_SIG)
|
||||
104
crypto/ecdsa/ecs_err.c
Normal file
104
crypto/ecdsa/ecs_err.c
Normal file
@@ -0,0 +1,104 @@
|
||||
/* crypto/ecdsa/ecs_err.c */
|
||||
/* ====================================================================
|
||||
* Copyright (c) 1999-2006 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/ecdsa.h>
|
||||
|
||||
/* BEGIN ERROR CODES */
|
||||
#ifndef OPENSSL_NO_ERR
|
||||
|
||||
#define ERR_FUNC(func) ERR_PACK(ERR_LIB_ECDSA,func,0)
|
||||
#define ERR_REASON(reason) ERR_PACK(ERR_LIB_ECDSA,0,reason)
|
||||
|
||||
static ERR_STRING_DATA ECDSA_str_functs[]=
|
||||
{
|
||||
{ERR_FUNC(ECDSA_F_ECDSA_DATA_NEW_METHOD), "ECDSA_DATA_NEW_METHOD"},
|
||||
{ERR_FUNC(ECDSA_F_ECDSA_DO_SIGN), "ECDSA_do_sign"},
|
||||
{ERR_FUNC(ECDSA_F_ECDSA_DO_VERIFY), "ECDSA_do_verify"},
|
||||
{ERR_FUNC(ECDSA_F_ECDSA_SIGN_SETUP), "ECDSA_sign_setup"},
|
||||
{0,NULL}
|
||||
};
|
||||
|
||||
static ERR_STRING_DATA ECDSA_str_reasons[]=
|
||||
{
|
||||
{ERR_REASON(ECDSA_R_BAD_SIGNATURE) ,"bad signature"},
|
||||
{ERR_REASON(ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE),"data too large for key size"},
|
||||
{ERR_REASON(ECDSA_R_ERR_EC_LIB) ,"err ec lib"},
|
||||
{ERR_REASON(ECDSA_R_MISSING_PARAMETERS) ,"missing parameters"},
|
||||
{ERR_REASON(ECDSA_R_NEED_NEW_SETUP_VALUES),"need new setup values"},
|
||||
{ERR_REASON(ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED),"random number generation failed"},
|
||||
{ERR_REASON(ECDSA_R_SIGNATURE_MALLOC_FAILED),"signature malloc failed"},
|
||||
{0,NULL}
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
void ERR_load_ECDSA_strings(void)
|
||||
{
|
||||
#ifndef OPENSSL_NO_ERR
|
||||
|
||||
if (ERR_func_error_string(ECDSA_str_functs[0].error) == NULL)
|
||||
{
|
||||
ERR_load_strings(0,ECDSA_str_functs);
|
||||
ERR_load_strings(0,ECDSA_str_reasons);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
260
crypto/ecdsa/ecs_lib.c
Normal file
260
crypto/ecdsa/ecs_lib.c
Normal file
@@ -0,0 +1,260 @@
|
||||
/* crypto/ecdsa/ecs_lib.c */
|
||||
/* ====================================================================
|
||||
* Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
*
|
||||
* 3. All advertising materials mentioning features or use of this
|
||||
* software must display the following acknowledgment:
|
||||
* "This product includes software developed by the OpenSSL Project
|
||||
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
|
||||
*
|
||||
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
||||
* endorse or promote products derived from this software without
|
||||
* prior written permission. For written permission, please contact
|
||||
* openssl-core@OpenSSL.org.
|
||||
*
|
||||
* 5. Products derived from this software may not be called "OpenSSL"
|
||||
* nor may "OpenSSL" appear in their names without prior written
|
||||
* permission of the OpenSSL Project.
|
||||
*
|
||||
* 6. Redistributions of any form whatsoever must retain the following
|
||||
* acknowledgment:
|
||||
* "This product includes software developed by the OpenSSL Project
|
||||
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
||||
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
||||
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
||||
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
* ====================================================================
|
||||
*
|
||||
* This product includes cryptographic software written by Eric Young
|
||||
* (eay@cryptsoft.com). This product includes software written by Tim
|
||||
* Hudson (tjh@cryptsoft.com).
|
||||
*
|
||||
*/
|
||||
|
||||
#include <string.h>
|
||||
#include "ecs_locl.h"
|
||||
#ifndef OPENSSL_NO_ENGINE
|
||||
#include <openssl/engine.h>
|
||||
#endif
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/bn.h>
|
||||
|
||||
const char ECDSA_version[]="ECDSA" OPENSSL_VERSION_PTEXT;
|
||||
|
||||
static const ECDSA_METHOD *default_ECDSA_method = NULL;
|
||||
|
||||
static void *ecdsa_data_new(void);
|
||||
static void *ecdsa_data_dup(void *);
|
||||
static void ecdsa_data_free(void *);
|
||||
|
||||
void ECDSA_set_default_method(const ECDSA_METHOD *meth)
|
||||
{
|
||||
default_ECDSA_method = meth;
|
||||
}
|
||||
|
||||
const ECDSA_METHOD *ECDSA_get_default_method(void)
|
||||
{
|
||||
if(!default_ECDSA_method)
|
||||
default_ECDSA_method = ECDSA_OpenSSL();
|
||||
return default_ECDSA_method;
|
||||
}
|
||||
|
||||
int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth)
|
||||
{
|
||||
ECDSA_DATA *ecdsa;
|
||||
|
||||
ecdsa = ecdsa_check(eckey);
|
||||
|
||||
if (ecdsa == NULL)
|
||||
return 0;
|
||||
|
||||
#ifndef OPENSSL_NO_ENGINE
|
||||
if (ecdsa->engine)
|
||||
{
|
||||
ENGINE_finish(ecdsa->engine);
|
||||
ecdsa->engine = NULL;
|
||||
}
|
||||
#endif
|
||||
ecdsa->meth = meth;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static ECDSA_DATA *ECDSA_DATA_new_method(ENGINE *engine)
|
||||
{
|
||||
ECDSA_DATA *ret;
|
||||
|
||||
ret=(ECDSA_DATA *)OPENSSL_malloc(sizeof(ECDSA_DATA));
|
||||
if (ret == NULL)
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
|
||||
return(NULL);
|
||||
}
|
||||
|
||||
ret->init = NULL;
|
||||
|
||||
ret->meth = ECDSA_get_default_method();
|
||||
ret->engine = engine;
|
||||
#ifndef OPENSSL_NO_ENGINE
|
||||
if (!ret->engine)
|
||||
ret->engine = ENGINE_get_default_ECDSA();
|
||||
if (ret->engine)
|
||||
{
|
||||
ret->meth = ENGINE_get_ECDSA(ret->engine);
|
||||
if (!ret->meth)
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_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_ECDSA, ret, &ret->ex_data);
|
||||
#if 0
|
||||
if ((ret->meth->init != NULL) && !ret->meth->init(ret))
|
||||
{
|
||||
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
|
||||
OPENSSL_free(ret);
|
||||
ret=NULL;
|
||||
}
|
||||
#endif
|
||||
return(ret);
|
||||
}
|
||||
|
||||
static void *ecdsa_data_new(void)
|
||||
{
|
||||
return (void *)ECDSA_DATA_new_method(NULL);
|
||||
}
|
||||
|
||||
static void *ecdsa_data_dup(void *data)
|
||||
{
|
||||
ECDSA_DATA *r = (ECDSA_DATA *)data;
|
||||
|
||||
/* XXX: dummy operation */
|
||||
if (r == NULL)
|
||||
return NULL;
|
||||
|
||||
return ecdsa_data_new();
|
||||
}
|
||||
|
||||
static void ecdsa_data_free(void *data)
|
||||
{
|
||||
ECDSA_DATA *r = (ECDSA_DATA *)data;
|
||||
|
||||
#ifndef OPENSSL_NO_ENGINE
|
||||
if (r->engine)
|
||||
ENGINE_finish(r->engine);
|
||||
#endif
|
||||
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, r, &r->ex_data);
|
||||
|
||||
OPENSSL_cleanse((void *)r, sizeof(ECDSA_DATA));
|
||||
|
||||
OPENSSL_free(r);
|
||||
}
|
||||
|
||||
ECDSA_DATA *ecdsa_check(EC_KEY *key)
|
||||
{
|
||||
ECDSA_DATA *ecdsa_data;
|
||||
|
||||
void *data = EC_KEY_get_key_method_data(key, ecdsa_data_dup,
|
||||
ecdsa_data_free, ecdsa_data_free);
|
||||
if (data == NULL)
|
||||
{
|
||||
ecdsa_data = (ECDSA_DATA *)ecdsa_data_new();
|
||||
if (ecdsa_data == NULL)
|
||||
return NULL;
|
||||
EC_KEY_insert_key_method_data(key, (void *)ecdsa_data,
|
||||
ecdsa_data_dup, ecdsa_data_free, ecdsa_data_free);
|
||||
}
|
||||
else
|
||||
ecdsa_data = (ECDSA_DATA *)data;
|
||||
|
||||
|
||||
return ecdsa_data;
|
||||
}
|
||||
|
||||
int ECDSA_size(const EC_KEY *r)
|
||||
{
|
||||
int ret,i;
|
||||
ASN1_INTEGER bs;
|
||||
BIGNUM *order=NULL;
|
||||
unsigned char buf[4];
|
||||
const EC_GROUP *group;
|
||||
|
||||
if (r == NULL)
|
||||
return 0;
|
||||
group = EC_KEY_get0_group(r);
|
||||
if (group == NULL)
|
||||
return 0;
|
||||
|
||||
if ((order = BN_new()) == NULL) return 0;
|
||||
if (!EC_GROUP_get_order(group,order,NULL))
|
||||
{
|
||||
BN_clear_free(order);
|
||||
return 0;
|
||||
}
|
||||
i=BN_num_bits(order);
|
||||
bs.length=(i+7)/8;
|
||||
bs.data=buf;
|
||||
bs.type=V_ASN1_INTEGER;
|
||||
/* If the top bit is set the asn1 encoding is 1 larger. */
|
||||
buf[0]=0xff;
|
||||
|
||||
i=i2d_ASN1_INTEGER(&bs,NULL);
|
||||
i+=i; /* r and s */
|
||||
ret=ASN1_object_size(1,i,V_ASN1_SEQUENCE);
|
||||
BN_clear_free(order);
|
||||
return(ret);
|
||||
}
|
||||
|
||||
|
||||
int ECDSA_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_ECDSA, argl, argp,
|
||||
new_func, dup_func, free_func);
|
||||
}
|
||||
|
||||
int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg)
|
||||
{
|
||||
ECDSA_DATA *ecdsa;
|
||||
ecdsa = ecdsa_check(d);
|
||||
if (ecdsa == NULL)
|
||||
return 0;
|
||||
return(CRYPTO_set_ex_data(&ecdsa->ex_data,idx,arg));
|
||||
}
|
||||
|
||||
void *ECDSA_get_ex_data(EC_KEY *d, int idx)
|
||||
{
|
||||
ECDSA_DATA *ecdsa;
|
||||
ecdsa = ecdsa_check(d);
|
||||
if (ecdsa == NULL)
|
||||
return NULL;
|
||||
return(CRYPTO_get_ex_data(&ecdsa->ex_data,idx));
|
||||
}
|
||||
|
||||
107
crypto/ecdsa/ecs_locl.h
Normal file
107
crypto/ecdsa/ecs_locl.h
Normal file
@@ -0,0 +1,107 @@
|
||||
/* crypto/ecdsa/ecs_locl.h */
|
||||
/*
|
||||
* Written by Nils Larsch for the OpenSSL project
|
||||
*/
|
||||
/* ====================================================================
|
||||
* 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_ECS_LOCL_H
|
||||
#define HEADER_ECS_LOCL_H
|
||||
|
||||
#include <openssl/ecdsa.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
struct ecdsa_method
|
||||
{
|
||||
const char *name;
|
||||
ECDSA_SIG *(*ecdsa_do_sign)(const unsigned char *dgst, int dgst_len,
|
||||
const BIGNUM *inv, const BIGNUM *rp, EC_KEY *eckey);
|
||||
int (*ecdsa_sign_setup)(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
|
||||
BIGNUM **r);
|
||||
int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len,
|
||||
const ECDSA_SIG *sig, EC_KEY *eckey);
|
||||
#if 0
|
||||
int (*init)(EC_KEY *eckey);
|
||||
int (*finish)(EC_KEY *eckey);
|
||||
#endif
|
||||
int flags;
|
||||
char *app_data;
|
||||
};
|
||||
|
||||
typedef struct ecdsa_data_st {
|
||||
/* EC_KEY_METH_DATA part */
|
||||
int (*init)(EC_KEY *);
|
||||
/* method (ECDSA) specific part */
|
||||
ENGINE *engine;
|
||||
int flags;
|
||||
const ECDSA_METHOD *meth;
|
||||
CRYPTO_EX_DATA ex_data;
|
||||
} ECDSA_DATA;
|
||||
|
||||
/** ecdsa_check
|
||||
* checks whether ECKEY->meth_data is a pointer to a ECDSA_DATA structure
|
||||
* and if not it removes the old meth_data and creates a ECDSA_DATA structure.
|
||||
* \param eckey pointer to a EC_KEY object
|
||||
* \return pointer to a ECDSA_DATA structure
|
||||
*/
|
||||
ECDSA_DATA *ecdsa_check(EC_KEY *eckey);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* HEADER_ECS_LOCL_H */
|
||||
453
crypto/ecdsa/ecs_ossl.c
Normal file
453
crypto/ecdsa/ecs_ossl.c
Normal file
@@ -0,0 +1,453 @@
|
||||
/* crypto/ecdsa/ecs_ossl.c */
|
||||
/*
|
||||
* Written by Nils Larsch for the OpenSSL project
|
||||
*/
|
||||
/* ====================================================================
|
||||
* Copyright (c) 1998-2004 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 "ecs_locl.h"
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/obj_mac.h>
|
||||
#include <openssl/bn.h>
|
||||
|
||||
#include <string.h>
|
||||
#include <openssl/evp.h>
|
||||
#include <openssl/ec.h>
|
||||
|
||||
static ECDSA_SIG *sm2_do_sign(const unsigned char *dgst, int dgstlen,
|
||||
const BIGNUM *in_k, const BIGNUM *in_x, EC_KEY *ec_key);
|
||||
static int sm2_sign_setup(EC_KEY *ec_key, BN_CTX *ctx_in, BIGNUM **kp,
|
||||
BIGNUM **xp);
|
||||
static int sm2_do_verify(const unsigned char *dgst, int dgstlen,
|
||||
const ECDSA_SIG *sig, EC_KEY *ec_key);
|
||||
|
||||
static ECDSA_METHOD openssl_sm2dsa_meth = {
|
||||
"OpenSSL SM2DSA method",
|
||||
sm2_do_sign,
|
||||
sm2_sign_setup,
|
||||
sm2_do_verify,
|
||||
#if 0
|
||||
NULL, /* init */
|
||||
NULL, /* finish */
|
||||
#endif
|
||||
0, /* flags */
|
||||
NULL /* app_data */
|
||||
};
|
||||
|
||||
const ECDSA_METHOD *ECDSA_OpenSSL(void)
|
||||
{
|
||||
return &openssl_sm2dsa_meth;
|
||||
}
|
||||
|
||||
/* k in [1, n-1], (x, y) = kG */
|
||||
static int sm2_sign_setup(EC_KEY *ec_key, BN_CTX *ctx_in, BIGNUM **kp, BIGNUM **xp)
|
||||
{
|
||||
int ret = 0;
|
||||
const EC_GROUP *ec_group;
|
||||
BN_CTX *ctx = NULL;
|
||||
BIGNUM *k = NULL;
|
||||
BIGNUM *x = NULL;
|
||||
BIGNUM *order = NULL;
|
||||
EC_POINT *point=NULL;
|
||||
|
||||
if (ec_key == NULL || (ec_group = EC_KEY_get0_group(ec_key)) == NULL) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_PASSED_NULL_PARAMETER);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (ctx_in == NULL) {
|
||||
if ((ctx = BN_CTX_new()) == NULL) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_MALLOC_FAILURE);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
else {
|
||||
ctx = ctx_in;
|
||||
}
|
||||
|
||||
k = BN_new();
|
||||
x = BN_new();
|
||||
order = BN_new();
|
||||
|
||||
if (!k || !x || !order) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE);
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (!EC_GROUP_get_order(ec_group, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
if ((point = EC_POINT_new(ec_group)) == NULL) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
do {
|
||||
/* get random k */
|
||||
do {
|
||||
if (!BN_rand_range(k, order)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,
|
||||
ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED);
|
||||
goto err;
|
||||
}
|
||||
|
||||
} while (BN_is_zero(k));
|
||||
|
||||
/* compute r the x-coordinate of generator * k */
|
||||
if (!EC_POINT_mul(ec_group, point, k, NULL, NULL, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (EC_METHOD_get_field_type(EC_GROUP_method_of(ec_group)) == NID_X9_62_prime_field) {
|
||||
if (!EC_POINT_get_affine_coordinates_GFp(ec_group, point, x, NULL, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
} else /* NID_X9_62_characteristic_two_field */ {
|
||||
if (!EC_POINT_get_affine_coordinates_GF2m(ec_group, point, x, NULL, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
|
||||
if (!BN_nnmod(x, x, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
} while (BN_is_zero(x));
|
||||
|
||||
/* clear old values if necessary */
|
||||
if (*kp != NULL)
|
||||
BN_clear_free(*kp);
|
||||
if (*xp != NULL)
|
||||
BN_clear_free(*xp);
|
||||
|
||||
/* save the pre-computed values */
|
||||
*kp = k;
|
||||
*xp = x;
|
||||
ret = 1;
|
||||
|
||||
err:
|
||||
if (!ret) {
|
||||
if (k) BN_clear_free(k);
|
||||
if (x) BN_clear_free(x);
|
||||
}
|
||||
if (ctx_in == NULL) BN_CTX_free(ctx);
|
||||
if (order) BN_free(order);
|
||||
if (point) EC_POINT_free(point);
|
||||
|
||||
return(ret);
|
||||
}
|
||||
|
||||
static ECDSA_SIG *sm2_do_sign(const unsigned char *dgst, int dgst_len,
|
||||
const BIGNUM *in_k, const BIGNUM *in_x, EC_KEY *ec_key)
|
||||
{
|
||||
int ok = 0;
|
||||
ECDSA_SIG *ret = NULL;
|
||||
ECDSA_DATA *ecdsa;
|
||||
const EC_GROUP *ec_group;
|
||||
const BIGNUM *priv_key;
|
||||
const BIGNUM *ck;
|
||||
BIGNUM *k = NULL;
|
||||
BN_CTX *ctx = NULL;
|
||||
BIGNUM *order = NULL;
|
||||
BIGNUM *e = NULL;
|
||||
BIGNUM *bn = NULL;
|
||||
int i;
|
||||
|
||||
ecdsa = ecdsa_check(ec_key);
|
||||
ec_group = EC_KEY_get0_group(ec_key);
|
||||
priv_key = EC_KEY_get0_private_key(ec_key);
|
||||
if (!ec_group || !priv_key || !ecdsa) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_PASSED_NULL_PARAMETER);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (!(ret = ECDSA_SIG_new())) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
ctx = BN_CTX_new();
|
||||
order = BN_new();
|
||||
e = BN_new();
|
||||
bn = BN_new();
|
||||
if (!ctx || !order || !e || !bn) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
|
||||
goto err;
|
||||
}
|
||||
if (!EC_GROUP_get_order(ec_group, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* convert dgst to e */
|
||||
i = BN_num_bits(order);
|
||||
if (8 * dgst_len > i) {
|
||||
dgst_len = (i + 7)/8;
|
||||
}
|
||||
if (!BN_bin2bn(dgst, dgst_len, e)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
if ((8 * dgst_len > i) && !BN_rshift(e, e, 8 - (i & 0x7))) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
do {
|
||||
/* use or compute k and (kG).x */
|
||||
if (!in_k || !in_x) {
|
||||
if (!sm2_sign_setup(ec_key, ctx, &k, &ret->r)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN,ERR_R_ECDSA_LIB);
|
||||
goto err;
|
||||
}
|
||||
ck = k;
|
||||
} else {
|
||||
ck = in_k;
|
||||
if (!BN_copy(ret->r, in_x)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
|
||||
/* r = e + x (mod n) */
|
||||
if (!BN_mod_add(ret->r, ret->r, e, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
if (!BN_mod_add(bn, ret->r, ck, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* check r != 0 && r + k != n */
|
||||
if (BN_is_zero(ret->r) || BN_is_zero(bn)) {
|
||||
if (in_k && in_x) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ECDSA_R_NEED_NEW_SETUP_VALUES);
|
||||
goto err;
|
||||
} else
|
||||
continue;
|
||||
}
|
||||
|
||||
/* s = ((1 + d)^-1 * (k - rd)) mod n */
|
||||
if (!BN_one(bn)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
if (!BN_mod_add(ret->s, priv_key, bn, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
if (!BN_mod_inverse(ret->s, ret->s, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
if (!BN_mod_mul(bn, ret->r, priv_key, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
if (!BN_mod_sub(bn, ck, bn, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
if (!BN_mod_mul(ret->s, ret->s, bn, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* check s != 0 */
|
||||
if (BN_is_zero(ret->s)) {
|
||||
if (in_k && in_x) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ECDSA_R_NEED_NEW_SETUP_VALUES);
|
||||
goto err;
|
||||
}
|
||||
} else
|
||||
break;
|
||||
|
||||
} while (1);
|
||||
|
||||
ok = 1;
|
||||
|
||||
err:
|
||||
if (!ok) {
|
||||
ECDSA_SIG_free(ret);
|
||||
ret = NULL;
|
||||
}
|
||||
if (k) BN_free(k);
|
||||
if (ctx) BN_CTX_free(ctx);
|
||||
if (order) BN_free(order);
|
||||
if (e) BN_free(e);
|
||||
if (bn) BN_free(bn);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int sm2_do_verify(const unsigned char *dgst, int dgstlen,
|
||||
const ECDSA_SIG *sig, EC_KEY *ec_key)
|
||||
{
|
||||
int ret = -1;
|
||||
const EC_GROUP *ec_group;
|
||||
const EC_POINT *pub_key;
|
||||
EC_POINT *point = NULL;
|
||||
BN_CTX *ctx = NULL;
|
||||
BIGNUM *order = NULL;
|
||||
BIGNUM *e = NULL;
|
||||
BIGNUM *t = NULL;
|
||||
int i;
|
||||
|
||||
if (!sig || !ec_key ||
|
||||
!(ec_group = EC_KEY_get0_group(ec_key)) ||
|
||||
!(pub_key = EC_KEY_get0_public_key(ec_key))) {
|
||||
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_MISSING_PARAMETERS);
|
||||
return -1;
|
||||
}
|
||||
|
||||
ctx = BN_CTX_new();
|
||||
order = BN_new();
|
||||
e = BN_new();
|
||||
t = BN_new();
|
||||
|
||||
if (!ctx || !order || !e || !t) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
|
||||
goto err;
|
||||
}
|
||||
if (!EC_GROUP_get_order(ec_group, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* check r, s in [1, n-1] and r + s != 0 (mod n) */
|
||||
if (BN_is_zero(sig->r) ||
|
||||
BN_is_negative(sig->r) ||
|
||||
BN_ucmp(sig->r, order) >= 0 ||
|
||||
BN_is_zero(sig->s) ||
|
||||
BN_is_negative(sig->s) ||
|
||||
BN_ucmp(sig->s, order) >= 0) {
|
||||
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_BAD_SIGNATURE);
|
||||
ret = 0;
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* check t = r + s != 0 */
|
||||
if (!BN_mod_add(t, sig->r, sig->s, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
if (BN_is_zero(t)) {
|
||||
ret = 0;
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* convert digest to e */
|
||||
i = BN_num_bits(order);
|
||||
if (8 * dgstlen > i) {
|
||||
dgstlen = (i + 7)/8;
|
||||
}
|
||||
if (!BN_bin2bn(dgst, dgstlen, e)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
if ((8 * dgstlen > i) && !BN_rshift(e, e, 8 - (i & 0x7))) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* compute (x, y) = sG + tP, P is pub_key */
|
||||
if (!(point = EC_POINT_new(ec_group))) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
|
||||
goto err;
|
||||
}
|
||||
if (!EC_POINT_mul(ec_group, point, sig->s, pub_key, t, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
if (EC_METHOD_get_field_type(EC_GROUP_method_of(ec_group)) == NID_X9_62_prime_field) {
|
||||
if (!EC_POINT_get_affine_coordinates_GFp(ec_group, point, t, NULL, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
} else /* NID_X9_62_characteristic_two_field */ {
|
||||
if (!EC_POINT_get_affine_coordinates_GF2m(ec_group, point, t, NULL, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
if (!BN_nnmod(t, t, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* check (sG + tP).x + e == sig.r */
|
||||
if (!BN_mod_add(t, t, e, order, ctx)) {
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
ret = (BN_ucmp(t, sig->r) == 0);
|
||||
|
||||
err:
|
||||
if (point) EC_POINT_free(point);
|
||||
if (order) BN_free(order);
|
||||
if (e) BN_free(e);
|
||||
if (t) BN_free(t);
|
||||
if (ctx) BN_CTX_free(ctx);
|
||||
return ret;
|
||||
}
|
||||
|
||||
106
crypto/ecdsa/ecs_sign.c
Normal file
106
crypto/ecdsa/ecs_sign.c
Normal file
@@ -0,0 +1,106 @@
|
||||
/* crypto/ecdsa/ecdsa_sign.c */
|
||||
/* ====================================================================
|
||||
* Copyright (c) 1998-2002 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
|
||||
* 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 "ecs_locl.h"
|
||||
#ifndef OPENSSL_NO_ENGINE
|
||||
#include <openssl/engine.h>
|
||||
#endif
|
||||
#include <openssl/rand.h>
|
||||
|
||||
ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
|
||||
{
|
||||
return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
|
||||
}
|
||||
|
||||
ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
|
||||
const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey)
|
||||
{
|
||||
ECDSA_DATA *ecdsa = ecdsa_check(eckey);
|
||||
if (ecdsa == NULL)
|
||||
return NULL;
|
||||
return ecdsa->meth->ecdsa_do_sign(dgst, dlen, kinv, rp, eckey);
|
||||
}
|
||||
|
||||
int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
|
||||
*sig, unsigned int *siglen, EC_KEY *eckey)
|
||||
{
|
||||
return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
|
||||
}
|
||||
|
||||
int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char
|
||||
*sig, unsigned int *siglen, const BIGNUM *kinv, const BIGNUM *r,
|
||||
EC_KEY *eckey)
|
||||
{
|
||||
ECDSA_SIG *s;
|
||||
RAND_seed(dgst, dlen);
|
||||
s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
|
||||
if (s == NULL)
|
||||
{
|
||||
*siglen=0;
|
||||
return 0;
|
||||
}
|
||||
*siglen = i2d_ECDSA_SIG(s, &sig);
|
||||
ECDSA_SIG_free(s);
|
||||
return 1;
|
||||
}
|
||||
|
||||
int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
|
||||
BIGNUM **rp)
|
||||
{
|
||||
ECDSA_DATA *ecdsa = ecdsa_check(eckey);
|
||||
if (ecdsa == NULL)
|
||||
return 0;
|
||||
return ecdsa->meth->ecdsa_sign_setup(eckey, ctx_in, kinvp, rp);
|
||||
}
|
||||
297
crypto/ecdsa/ecs_sm2.c
Normal file
297
crypto/ecdsa/ecs_sm2.c
Normal file
@@ -0,0 +1,297 @@
|
||||
/* crypto/ecdsa/ecs_sm2.c */
|
||||
|
||||
#include "ecs_locl.h"
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/obj_mac.h>
|
||||
#include <openssl/bn.h>
|
||||
|
||||
static ECDSA_SIG *sm2dsa_do_sign(const unsigned char *dgst, int dlen, const BIGNUM *, const BIGNUM *, EC_KEY *eckey);
|
||||
static int sm2dsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp);
|
||||
static int sm2dsa_do_verify(const unsigned char *dgst, int dgst_len, const ECDSA_SIG *sig, EC_KEY *eckey);
|
||||
|
||||
static ECDSA_METHOD sm2dsa_meth = {
|
||||
"SM2 DSA method",
|
||||
sm2_do_sign,
|
||||
sm2_sign_setup,
|
||||
sm2_do_verify,
|
||||
#if 0
|
||||
NULL, /* init */
|
||||
NULL, /* finish */
|
||||
#endif
|
||||
0, /* flags */
|
||||
NULL /* app_data */
|
||||
};
|
||||
|
||||
const ECDSA_METHOD *ECDSA_SM2DSA(void)
|
||||
{
|
||||
return &openssl_ecdsa_meth;
|
||||
}
|
||||
|
||||
static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
|
||||
BIGNUM **rp)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dgst_len,
|
||||
const BIGNUM *in_kinv, const BIGNUM *in_r, EC_KEY *eckey)
|
||||
{
|
||||
int ok = 0, i;
|
||||
BIGNUM *kinv=NULL, *s, *m=NULL,*tmp=NULL,*order=NULL;
|
||||
const BIGNUM *ckinv;
|
||||
BN_CTX *ctx = NULL;
|
||||
const EC_GROUP *group;
|
||||
ECDSA_SIG *ret;
|
||||
ECDSA_DATA *ecdsa;
|
||||
const BIGNUM *priv_key;
|
||||
|
||||
ecdsa = ecdsa_check(eckey);
|
||||
group = EC_KEY_get0_group(eckey);
|
||||
priv_key = EC_KEY_get0_private_key(eckey);
|
||||
|
||||
if (group == NULL || priv_key == NULL || ecdsa == NULL)
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_PASSED_NULL_PARAMETER);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
ret = ECDSA_SIG_new();
|
||||
if (!ret)
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
|
||||
return NULL;
|
||||
}
|
||||
s = ret->s;
|
||||
|
||||
if ((ctx = BN_CTX_new()) == NULL || (order = BN_new()) == NULL ||
|
||||
(tmp = BN_new()) == NULL || (m = BN_new()) == NULL)
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (!EC_GROUP_get_order(group, order, ctx))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
i = BN_num_bits(order);
|
||||
/* Need to truncate digest if it is too long: first truncate whole
|
||||
* bytes.
|
||||
*/
|
||||
if (8 * dgst_len > i)
|
||||
dgst_len = (i + 7)/8;
|
||||
if (!BN_bin2bn(dgst, dgst_len, m))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
/* If still too long truncate remaining bits with a shift */
|
||||
if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7)))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
do
|
||||
{
|
||||
if (in_kinv == NULL || in_r == NULL)
|
||||
{
|
||||
if (!ECDSA_sign_setup(eckey, ctx, &kinv, &ret->r))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN,ERR_R_ECDSA_LIB);
|
||||
goto err;
|
||||
}
|
||||
ckinv = kinv;
|
||||
}
|
||||
else
|
||||
{
|
||||
ckinv = in_kinv;
|
||||
if (BN_copy(ret->r, in_r) == NULL)
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
|
||||
if (!BN_mod_mul(tmp, priv_key, ret->r, order, ctx))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
if (!BN_mod_add_quick(s, tmp, m, order))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
if (!BN_mod_mul(s, s, ckinv, order, ctx))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
if (BN_is_zero(s))
|
||||
{
|
||||
/* if kinv and r have been supplied by the caller
|
||||
* don't to generate new kinv and r values */
|
||||
if (in_kinv != NULL && in_r != NULL)
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ECDSA_R_NEED_NEW_SETUP_VALUES);
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
else
|
||||
/* s != 0 => we have a valid signature */
|
||||
break;
|
||||
}
|
||||
while (1);
|
||||
|
||||
ok = 1;
|
||||
err:
|
||||
if (!ok)
|
||||
{
|
||||
ECDSA_SIG_free(ret);
|
||||
ret = NULL;
|
||||
}
|
||||
if (ctx)
|
||||
BN_CTX_free(ctx);
|
||||
if (m)
|
||||
BN_clear_free(m);
|
||||
if (tmp)
|
||||
BN_clear_free(tmp);
|
||||
if (order)
|
||||
BN_free(order);
|
||||
if (kinv)
|
||||
BN_clear_free(kinv);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,
|
||||
const ECDSA_SIG *sig, EC_KEY *eckey)
|
||||
{
|
||||
int ret = -1, i;
|
||||
BN_CTX *ctx;
|
||||
BIGNUM *order, *u1, *u2, *m, *X;
|
||||
EC_POINT *point = NULL;
|
||||
const EC_GROUP *group;
|
||||
const EC_POINT *pub_key;
|
||||
|
||||
/* check input values */
|
||||
if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL ||
|
||||
(pub_key = EC_KEY_get0_public_key(eckey)) == NULL || sig == NULL)
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_MISSING_PARAMETERS);
|
||||
return -1;
|
||||
}
|
||||
|
||||
ctx = BN_CTX_new();
|
||||
if (!ctx)
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
|
||||
return -1;
|
||||
}
|
||||
BN_CTX_start(ctx);
|
||||
order = BN_CTX_get(ctx);
|
||||
u1 = BN_CTX_get(ctx);
|
||||
u2 = BN_CTX_get(ctx);
|
||||
m = BN_CTX_get(ctx);
|
||||
X = BN_CTX_get(ctx);
|
||||
if (!X)
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (!EC_GROUP_get_order(group, order, ctx))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (BN_is_zero(sig->r) || BN_is_negative(sig->r) ||
|
||||
BN_ucmp(sig->r, order) >= 0 || BN_is_zero(sig->s) ||
|
||||
BN_is_negative(sig->s) || BN_ucmp(sig->s, order) >= 0)
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_BAD_SIGNATURE);
|
||||
ret = 0; /* signature is invalid */
|
||||
goto err;
|
||||
}
|
||||
/* calculate tmp1 = inv(S) mod order */
|
||||
if (!BN_mod_inverse(u2, sig->s, order, ctx))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
/* digest -> m */
|
||||
i = BN_num_bits(order);
|
||||
/* Need to truncate digest if it is too long: first truncate whole
|
||||
* bytes.
|
||||
*/
|
||||
if (8 * dgst_len > i)
|
||||
dgst_len = (i + 7)/8;
|
||||
if (!BN_bin2bn(dgst, dgst_len, m))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
/* If still too long truncate remaining bits with a shift */
|
||||
if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7)))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
/* u1 = m * tmp mod order */
|
||||
if (!BN_mod_mul(u1, m, u2, order, ctx))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
/* u2 = r * w mod q */
|
||||
if (!BN_mod_mul(u2, sig->r, u2, order, ctx))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
|
||||
if ((point = EC_POINT_new(group)) == NULL)
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
|
||||
goto err;
|
||||
}
|
||||
if (!EC_POINT_mul(group, point, u1, pub_key, u2, ctx))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
|
||||
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,
|
||||
point, X, NULL, ctx))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
else /* NID_X9_62_characteristic_two_field */
|
||||
{
|
||||
if (!EC_POINT_get_affine_coordinates_GF2m(group,
|
||||
point, X, NULL, ctx))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
|
||||
if (!BN_nnmod(u1, X, order, ctx))
|
||||
{
|
||||
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
|
||||
goto err;
|
||||
}
|
||||
/* if the signature is correct u1 is equal to sig->r */
|
||||
ret = (BN_ucmp(u1, sig->r) == 0);
|
||||
err:
|
||||
BN_CTX_end(ctx);
|
||||
BN_CTX_free(ctx);
|
||||
if (point)
|
||||
EC_POINT_free(point);
|
||||
return ret;
|
||||
}
|
||||
96
crypto/ecdsa/ecs_vrf.c
Normal file
96
crypto/ecdsa/ecs_vrf.c
Normal file
@@ -0,0 +1,96 @@
|
||||
/* crypto/ecdsa/ecdsa_vrf.c */
|
||||
/*
|
||||
* Written by Nils Larsch for the OpenSSL project
|
||||
*/
|
||||
/* ====================================================================
|
||||
* Copyright (c) 1998-2002 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
|
||||
* 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 "ecs_locl.h"
|
||||
#ifndef OPENSSL_NO_ENGINE
|
||||
#include <openssl/engine.h>
|
||||
#endif
|
||||
|
||||
/* returns
|
||||
* 1: correct signature
|
||||
* 0: incorrect signature
|
||||
* -1: error
|
||||
*/
|
||||
int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
|
||||
const ECDSA_SIG *sig, EC_KEY *eckey)
|
||||
{
|
||||
ECDSA_DATA *ecdsa = ecdsa_check(eckey);
|
||||
if (ecdsa == NULL)
|
||||
return 0;
|
||||
return ecdsa->meth->ecdsa_do_verify(dgst, dgst_len, sig, eckey);
|
||||
}
|
||||
|
||||
/* returns
|
||||
* 1: correct signature
|
||||
* 0: incorrect signature
|
||||
* -1: error
|
||||
*/
|
||||
int ECDSA_verify(int type, const unsigned char *dgst, int dgst_len,
|
||||
const unsigned char *sigbuf, int sig_len, EC_KEY *eckey)
|
||||
{
|
||||
ECDSA_SIG *s;
|
||||
int ret=-1;
|
||||
|
||||
s = ECDSA_SIG_new();
|
||||
if (s == NULL) return(ret);
|
||||
if (d2i_ECDSA_SIG(&s, &sigbuf, sig_len) == NULL) goto err;
|
||||
ret=ECDSA_do_verify(dgst, dgst_len, s, eckey);
|
||||
err:
|
||||
ECDSA_SIG_free(s);
|
||||
return(ret);
|
||||
}
|
||||
Reference in New Issue
Block a user