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authorDr. Stephen Henson <steve@openssl.org>2015-10-27 19:11:00 +0000
committerDr. Stephen Henson <steve@openssl.org>2015-12-09 22:09:18 +0000
commitbd3602eb8948dcd3a03cb56fbfa80bb4ac569cdb (patch)
tree6590685d7315b1426fc3ce4cc413d886c93cce2e /crypto/ecdsa
parentcf70b8f5a6b35375dc00f9a661ad655c774440c5 (diff)
downloadopenssl-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/Makefile29
-rw-r--r--crypto/ecdsa/ecs_sign.c106
-rw-r--r--crypto/ecdsa/ecs_vrf.c109
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);
-}