diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2015-10-27 19:11:00 +0000 |
---|---|---|
committer | Dr. Stephen Henson <steve@openssl.org> | 2015-12-09 22:09:18 +0000 |
commit | bd3602eb8948dcd3a03cb56fbfa80bb4ac569cdb (patch) | |
tree | 6590685d7315b1426fc3ce4cc413d886c93cce2e /crypto/ecdsa | |
parent | cf70b8f5a6b35375dc00f9a661ad655c774440c5 (diff) | |
download | openssl-bd3602eb8948dcd3a03cb56fbfa80bb4ac569cdb.tar.gz |
Move and adapt ECDSA sign and verify functions.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Diffstat (limited to 'crypto/ecdsa')
-rw-r--r-- | crypto/ecdsa/Makefile | 29 | ||||
-rw-r--r-- | crypto/ecdsa/ecs_sign.c | 106 | ||||
-rw-r--r-- | crypto/ecdsa/ecs_vrf.c | 109 |
3 files changed, 2 insertions, 242 deletions
diff --git a/crypto/ecdsa/Makefile b/crypto/ecdsa/Makefile index d72cd29155..090e0c1f0b 100644 --- a/crypto/ecdsa/Makefile +++ b/crypto/ecdsa/Makefile @@ -15,9 +15,9 @@ CFLAGS= $(INCLUDES) $(CFLAG) GENERAL=Makefile LIB=$(TOP)/libcrypto.a -LIBSRC= ecs_lib.c ecs_sign.c ecs_vrf.c ecs_err.c +LIBSRC= ecs_lib.c ecs_err.c -LIBOBJ= ecs_lib.o ecs_sign.o ecs_vrf.o ecs_err.o +LIBOBJ= ecs_lib.o ecs_err.o SRC= $(LIBSRC) @@ -100,28 +100,3 @@ ecs_ossl.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h ecs_ossl.o: ../../include/openssl/rand.h ../../include/openssl/safestack.h ecs_ossl.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h ecs_ossl.o: ecs_locl.h ecs_ossl.c -ecs_sign.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h -ecs_sign.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h -ecs_sign.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h -ecs_sign.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h -ecs_sign.o: ../../include/openssl/engine.h ../../include/openssl/evp.h -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 -ecs_sign.o: ../../include/openssl/pkcs7.h ../../include/openssl/rand.h -ecs_sign.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h -ecs_sign.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h -ecs_sign.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h -ecs_sign.o: ecs_locl.h ecs_sign.c -ecs_vrf.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h -ecs_vrf.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h -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 -ecs_vrf.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h -ecs_vrf.o: ../../include/openssl/pkcs7.h ../../include/openssl/safestack.h -ecs_vrf.o: ../../include/openssl/sha.h ../../include/openssl/stack.h -ecs_vrf.o: ../../include/openssl/symhacks.h ../../include/openssl/x509.h -ecs_vrf.o: ../../include/openssl/x509_vfy.h ecs_locl.h ecs_vrf.c diff --git a/crypto/ecdsa/ecs_sign.c b/crypto/ecdsa/ecs_sign.c deleted file mode 100644 index 28652d455d..0000000000 --- a/crypto/ecdsa/ecs_sign.c +++ /dev/null @@ -1,106 +0,0 @@ -/* 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); -} diff --git a/crypto/ecdsa/ecs_vrf.c b/crypto/ecdsa/ecs_vrf.c deleted file mode 100644 index b9bd32f619..0000000000 --- a/crypto/ecdsa/ecs_vrf.c +++ /dev/null @@ -1,109 +0,0 @@ -/* 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" -#include <string.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; - const unsigned char *p = sigbuf; - unsigned char *der = NULL; - int derlen = -1; - int ret = -1; - - s = ECDSA_SIG_new(); - if (s == NULL) - return (ret); - if (d2i_ECDSA_SIG(&s, &p, sig_len) == NULL) - goto err; - /* Ensure signature uses DER and doesn't have trailing garbage */ - derlen = i2d_ECDSA_SIG(s, &der); - if (derlen != sig_len || memcmp(sigbuf, der, derlen)) - goto err; - ret = ECDSA_do_verify(dgst, dgst_len, s, eckey); - err: - OPENSSL_clear_free(der, derlen); - ECDSA_SIG_free(s); - return (ret); -} |