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authorSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
committerSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
commitc4a78426bef17a0a7c81195c2b2399e7441f14ad (patch)
tree596c39f00d5968b1519e8cd7f0546412b14c20f0 /crypto/ecdh
parenta0ddfe4e7233d81e88a86217b7653708db2720fa (diff)
downloadsrc-c4a78426bef17a0a7c81195c2b2399e7441f14ad.tar.gz
src-c4a78426bef17a0a7c81195c2b2399e7441f14ad.zip
Flatten OpenSSL vendor tree.
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=182044
Diffstat (limited to 'crypto/ecdh')
-rw-r--r--crypto/ecdh/Makefile111
-rw-r--r--crypto/ecdh/ecdh.h123
-rw-r--r--crypto/ecdh/ecdhtest.c368
-rw-r--r--crypto/ecdh/ech_err.c98
-rw-r--r--crypto/ecdh/ech_key.c83
-rw-r--r--crypto/ecdh/ech_lib.c247
-rw-r--r--crypto/ecdh/ech_locl.h94
-rw-r--r--crypto/ecdh/ech_ossl.c213
8 files changed, 1337 insertions, 0 deletions
diff --git a/crypto/ecdh/Makefile b/crypto/ecdh/Makefile
new file mode 100644
index 000000000000..95aa69fea58f
--- /dev/null
+++ b/crypto/ecdh/Makefile
@@ -0,0 +1,111 @@
+#
+# crypto/ecdh/Makefile
+#
+
+DIR= ecdh
+TOP= ../..
+CC= cc
+INCLUDES= -I.. -I$(TOP) -I../../include
+CFLAG=-g -Wall
+MAKEFILE= Makefile
+AR= ar r
+
+CFLAGS= $(INCLUDES) $(CFLAG)
+
+GENERAL=Makefile
+TEST=ecdhtest.c
+APPS=
+
+LIB=$(TOP)/libcrypto.a
+LIBSRC= ech_lib.c ech_ossl.c ech_key.c ech_err.c
+
+LIBOBJ= ech_lib.o ech_ossl.o ech_key.o ech_err.o
+
+SRC= $(LIBSRC)
+
+EXHEADER= ecdh.h
+HEADER= ech_locl.h $(EXHEADER)
+
+ALL= $(GENERAL) $(SRC) $(HEADER)
+
+top:
+ (cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
+
+all: lib
+
+lib: $(LIBOBJ)
+ $(AR) $(LIB) $(LIBOBJ)
+ $(RANLIB) $(LIB) || echo Never mind.
+ @touch lib
+
+files:
+ $(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
+
+links:
+ @$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
+ @$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
+ @$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
+
+install:
+ @[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
+ @headerlist="$(EXHEADER)"; for i in $$headerlist; \
+ do \
+ (cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
+ chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
+ done;
+
+tags:
+ ctags $(SRC)
+
+tests:
+
+lint:
+ lint -DLINT $(INCLUDES) $(SRC)>fluff
+
+depend:
+ @[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile...
+ $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
+
+dclean:
+ $(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
+ mv -f Makefile.new $(MAKEFILE)
+
+clean:
+ rm -f *.o */*.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+ech_err.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
+ech_err.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
+ech_err.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
+ech_err.o: ../../include/openssl/err.h ../../include/openssl/lhash.h
+ech_err.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
+ech_err.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h
+ech_err.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
+ech_err.o: ech_err.c
+ech_key.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
+ech_key.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
+ech_key.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
+ech_key.o: ../../include/openssl/engine.h ../../include/openssl/opensslconf.h
+ech_key.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
+ech_key.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
+ech_key.o: ../../include/openssl/symhacks.h ech_key.c ech_locl.h
+ech_lib.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
+ech_lib.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
+ech_lib.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
+ech_lib.o: ../../include/openssl/engine.h ../../include/openssl/err.h
+ech_lib.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
+ech_lib.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
+ech_lib.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
+ech_lib.o: ../../include/openssl/symhacks.h ech_lib.c ech_locl.h
+ech_ossl.o: ../../e_os.h ../../include/openssl/asn1.h
+ech_ossl.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
+ech_ossl.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
+ech_ossl.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
+ech_ossl.o: ../../include/openssl/ecdh.h ../../include/openssl/err.h
+ech_ossl.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
+ech_ossl.o: ../../include/openssl/opensslconf.h
+ech_ossl.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
+ech_ossl.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
+ech_ossl.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
+ech_ossl.o: ../cryptlib.h ech_locl.h ech_ossl.c
diff --git a/crypto/ecdh/ecdh.h b/crypto/ecdh/ecdh.h
new file mode 100644
index 000000000000..b4b58ee65ba2
--- /dev/null
+++ b/crypto/ecdh/ecdh.h
@@ -0,0 +1,123 @@
+/* crypto/ecdh/ecdh.h */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ *
+ * The Elliptic Curve Public-Key Crypto Library (ECC Code) included
+ * herein is developed by SUN MICROSYSTEMS, INC., and is contributed
+ * to the OpenSSL project.
+ *
+ * The ECC Code is licensed pursuant to the OpenSSL open source
+ * license provided below.
+ *
+ * The ECDH software is originally written by Douglas Stebila of
+ * Sun Microsystems Laboratories.
+ *
+ */
+/* ====================================================================
+ * Copyright (c) 2000-2002 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+#ifndef HEADER_ECDH_H
+#define HEADER_ECDH_H
+
+#include <openssl/opensslconf.h>
+
+#ifdef OPENSSL_NO_ECDH
+#error ECDH is disabled.
+#endif
+
+#include <openssl/ec.h>
+#include <openssl/ossl_typ.h>
+#ifndef OPENSSL_NO_DEPRECATED
+#include <openssl/bn.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+const ECDH_METHOD *ECDH_OpenSSL(void);
+
+void ECDH_set_default_method(const ECDH_METHOD *);
+const ECDH_METHOD *ECDH_get_default_method(void);
+int ECDH_set_method(EC_KEY *, const ECDH_METHOD *);
+
+int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key, EC_KEY *ecdh,
+ void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen));
+
+int ECDH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new
+ *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
+int ECDH_set_ex_data(EC_KEY *d, int idx, void *arg);
+void *ECDH_get_ex_data(EC_KEY *d, int idx);
+
+
+/* BEGIN ERROR CODES */
+/* The following lines are auto generated by the script mkerr.pl. Any changes
+ * made after this point may be overwritten when the script is next run.
+ */
+void ERR_load_ECDH_strings(void);
+
+/* Error codes for the ECDH functions. */
+
+/* Function codes. */
+#define ECDH_F_ECDH_COMPUTE_KEY 100
+#define ECDH_F_ECDH_DATA_NEW_METHOD 101
+
+/* Reason codes. */
+#define ECDH_R_KDF_FAILED 102
+#define ECDH_R_NO_PRIVATE_VALUE 100
+#define ECDH_R_POINT_ARITHMETIC_FAILURE 101
+
+#ifdef __cplusplus
+}
+#endif
+#endif
diff --git a/crypto/ecdh/ecdhtest.c b/crypto/ecdh/ecdhtest.c
new file mode 100644
index 000000000000..01baa5f4942f
--- /dev/null
+++ b/crypto/ecdh/ecdhtest.c
@@ -0,0 +1,368 @@
+/* crypto/ecdh/ecdhtest.c */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ *
+ * The Elliptic Curve Public-Key Crypto Library (ECC Code) included
+ * herein is developed by SUN MICROSYSTEMS, INC., and is contributed
+ * to the OpenSSL project.
+ *
+ * The ECC Code is licensed pursuant to the OpenSSL open source
+ * license provided below.
+ *
+ * The ECDH software is originally written by Douglas Stebila of
+ * Sun Microsystems Laboratories.
+ *
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../e_os.h"
+
+#include <openssl/opensslconf.h> /* for OPENSSL_NO_ECDH */
+#include <openssl/crypto.h>
+#include <openssl/bio.h>
+#include <openssl/bn.h>
+#include <openssl/objects.h>
+#include <openssl/rand.h>
+#include <openssl/sha.h>
+#include <openssl/err.h>
+
+#ifdef OPENSSL_NO_ECDH
+int main(int argc, char *argv[])
+{
+ printf("No ECDH support\n");
+ return(0);
+}
+#else
+#include <openssl/ec.h>
+#include <openssl/ecdh.h>
+
+#ifdef OPENSSL_SYS_WIN16
+#define MS_CALLBACK _far _loadds
+#else
+#define MS_CALLBACK
+#endif
+
+#if 0
+static void MS_CALLBACK cb(int p, int n, void *arg);
+#endif
+
+static const char rnd_seed[] = "string to make the random number generator think it has entropy";
+
+
+static const int KDF1_SHA1_len = 20;
+static void *KDF1_SHA1(const void *in, size_t inlen, void *out, size_t *outlen)
+ {
+#ifndef OPENSSL_NO_SHA
+ if (*outlen < SHA_DIGEST_LENGTH)
+ return NULL;
+ else
+ *outlen = SHA_DIGEST_LENGTH;
+ return SHA1(in, inlen, out);
+#else
+ return NULL;
+#endif
+ }
+
+
+static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
+ {
+ EC_KEY *a=NULL;
+ EC_KEY *b=NULL;
+ BIGNUM *x_a=NULL, *y_a=NULL,
+ *x_b=NULL, *y_b=NULL;
+ char buf[12];
+ unsigned char *abuf=NULL,*bbuf=NULL;
+ int i,alen,blen,aout,bout,ret=0;
+ const EC_GROUP *group;
+
+ a = EC_KEY_new_by_curve_name(nid);
+ b = EC_KEY_new_by_curve_name(nid);
+ if (a == NULL || b == NULL)
+ goto err;
+
+ group = EC_KEY_get0_group(a);
+
+ if ((x_a=BN_new()) == NULL) goto err;
+ if ((y_a=BN_new()) == NULL) goto err;
+ if ((x_b=BN_new()) == NULL) goto err;
+ if ((y_b=BN_new()) == NULL) goto err;
+
+ BIO_puts(out,"Testing key generation with ");
+ BIO_puts(out,text);
+#ifdef NOISY
+ BIO_puts(out,"\n");
+#else
+ BIO_flush(out);
+#endif
+
+ if (!EC_KEY_generate_key(a)) goto err;
+
+ if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
+ {
+ if (!EC_POINT_get_affine_coordinates_GFp(group,
+ EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err;
+ }
+ else
+ {
+ if (!EC_POINT_get_affine_coordinates_GF2m(group,
+ EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err;
+ }
+#ifdef NOISY
+ BIO_puts(out," pri 1=");
+ BN_print(out,a->priv_key);
+ BIO_puts(out,"\n pub 1=");
+ BN_print(out,x_a);
+ BIO_puts(out,",");
+ BN_print(out,y_a);
+ BIO_puts(out,"\n");
+#else
+ BIO_printf(out," .");
+ BIO_flush(out);
+#endif
+
+ if (!EC_KEY_generate_key(b)) goto err;
+
+ if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
+ {
+ if (!EC_POINT_get_affine_coordinates_GFp(group,
+ EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err;
+ }
+ else
+ {
+ if (!EC_POINT_get_affine_coordinates_GF2m(group,
+ EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err;
+ }
+
+#ifdef NOISY
+ BIO_puts(out," pri 2=");
+ BN_print(out,b->priv_key);
+ BIO_puts(out,"\n pub 2=");
+ BN_print(out,x_b);
+ BIO_puts(out,",");
+ BN_print(out,y_b);
+ BIO_puts(out,"\n");
+#else
+ BIO_printf(out,".");
+ BIO_flush(out);
+#endif
+
+ alen=KDF1_SHA1_len;
+ abuf=(unsigned char *)OPENSSL_malloc(alen);
+ aout=ECDH_compute_key(abuf,alen,EC_KEY_get0_public_key(b),a,KDF1_SHA1);
+
+#ifdef NOISY
+ BIO_puts(out," key1 =");
+ for (i=0; i<aout; i++)
+ {
+ sprintf(buf,"%02X",abuf[i]);
+ BIO_puts(out,buf);
+ }
+ BIO_puts(out,"\n");
+#else
+ BIO_printf(out,".");
+ BIO_flush(out);
+#endif
+
+ blen=KDF1_SHA1_len;
+ bbuf=(unsigned char *)OPENSSL_malloc(blen);
+ bout=ECDH_compute_key(bbuf,blen,EC_KEY_get0_public_key(a),b,KDF1_SHA1);
+
+#ifdef NOISY
+ BIO_puts(out," key2 =");
+ for (i=0; i<bout; i++)
+ {
+ sprintf(buf,"%02X",bbuf[i]);
+ BIO_puts(out,buf);
+ }
+ BIO_puts(out,"\n");
+#else
+ BIO_printf(out,".");
+ BIO_flush(out);
+#endif
+
+ if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0))
+ {
+#ifndef NOISY
+ BIO_printf(out, " failed\n\n");
+ BIO_printf(out, "key a:\n");
+ BIO_printf(out, "private key: ");
+ BN_print(out, EC_KEY_get0_private_key(a));
+ BIO_printf(out, "\n");
+ BIO_printf(out, "public key (x,y): ");
+ BN_print(out, x_a);
+ BIO_printf(out, ",");
+ BN_print(out, y_a);
+ BIO_printf(out, "\nkey b:\n");
+ BIO_printf(out, "private key: ");
+ BN_print(out, EC_KEY_get0_private_key(b));
+ BIO_printf(out, "\n");
+ BIO_printf(out, "public key (x,y): ");
+ BN_print(out, x_b);
+ BIO_printf(out, ",");
+ BN_print(out, y_b);
+ BIO_printf(out, "\n");
+ BIO_printf(out, "generated key a: ");
+ for (i=0; i<bout; i++)
+ {
+ sprintf(buf, "%02X", bbuf[i]);
+ BIO_puts(out, buf);
+ }
+ BIO_printf(out, "\n");
+ BIO_printf(out, "generated key b: ");
+ for (i=0; i<aout; i++)
+ {
+ sprintf(buf, "%02X", abuf[i]);
+ BIO_puts(out,buf);
+ }
+ BIO_printf(out, "\n");
+#endif
+ fprintf(stderr,"Error in ECDH routines\n");
+ ret=0;
+ }
+ else
+ {
+#ifndef NOISY
+ BIO_printf(out, " ok\n");
+#endif
+ ret=1;
+ }
+err:
+ ERR_print_errors_fp(stderr);
+
+ if (abuf != NULL) OPENSSL_free(abuf);
+ if (bbuf != NULL) OPENSSL_free(bbuf);
+ if (x_a) BN_free(x_a);
+ if (y_a) BN_free(y_a);
+ if (x_b) BN_free(x_b);
+ if (y_b) BN_free(y_b);
+ if (b) EC_KEY_free(b);
+ if (a) EC_KEY_free(a);
+ return(ret);
+ }
+
+int main(int argc, char *argv[])
+ {
+ BN_CTX *ctx=NULL;
+ int ret=1;
+ BIO *out;
+
+ CRYPTO_malloc_debug_init();
+ CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+
+#ifdef OPENSSL_SYS_WIN32
+ CRYPTO_malloc_init();
+#endif
+
+ RAND_seed(rnd_seed, sizeof rnd_seed);
+
+ out=BIO_new(BIO_s_file());
+ if (out == NULL) EXIT(1);
+ BIO_set_fp(out,stdout,BIO_NOCLOSE);
+
+ if ((ctx=BN_CTX_new()) == NULL) goto err;
+
+ /* NIST PRIME CURVES TESTS */
+ if (!test_ecdh_curve(NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out)) goto err;
+ /* NIST BINARY CURVES TESTS */
+ if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out)) goto err;
+ if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out)) goto err;
+
+ ret = 0;
+
+err:
+ ERR_print_errors_fp(stderr);
+ if (ctx) BN_CTX_free(ctx);
+ BIO_free(out);
+ CRYPTO_cleanup_all_ex_data();
+ ERR_remove_state(0);
+ CRYPTO_mem_leaks_fp(stderr);
+ EXIT(ret);
+ return(ret);
+ }
+
+#if 0
+static void MS_CALLBACK cb(int p, int n, void *arg)
+ {
+ char c='*';
+
+ if (p == 0) c='.';
+ if (p == 1) c='+';
+ if (p == 2) c='*';
+ if (p == 3) c='\n';
+ BIO_write((BIO *)arg,&c,1);
+ (void)BIO_flush((BIO *)arg);
+#ifdef LINT
+ p=n;
+#endif
+ }
+#endif
+#endif
diff --git a/crypto/ecdh/ech_err.c b/crypto/ecdh/ech_err.c
new file mode 100644
index 000000000000..4d2ede75bd37
--- /dev/null
+++ b/crypto/ecdh/ech_err.c
@@ -0,0 +1,98 @@
+/* crypto/ecdh/ech_err.c */
+/* ====================================================================
+ * Copyright (c) 1999-2005 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).
+ *
+ */
+
+/* NOTE: this file was auto generated by the mkerr.pl script: any changes
+ * made to it will be overwritten when the script next updates this file,
+ * only reason strings will be preserved.
+ */
+
+#include <stdio.h>
+#include <openssl/err.h>
+#include <openssl/ecdh.h>
+
+/* BEGIN ERROR CODES */
+#ifndef OPENSSL_NO_ERR
+
+#define ERR_FUNC(func) ERR_PACK(ERR_LIB_ECDH,func,0)
+#define ERR_REASON(reason) ERR_PACK(ERR_LIB_ECDH,0,reason)
+
+static ERR_STRING_DATA ECDH_str_functs[]=
+ {
+{ERR_FUNC(ECDH_F_ECDH_COMPUTE_KEY), "ECDH_compute_key"},
+{ERR_FUNC(ECDH_F_ECDH_DATA_NEW_METHOD), "ECDH_DATA_NEW_METHOD"},
+{0,NULL}
+ };
+
+static ERR_STRING_DATA ECDH_str_reasons[]=
+ {
+{ERR_REASON(ECDH_R_KDF_FAILED) ,"KDF failed"},
+{ERR_REASON(ECDH_R_NO_PRIVATE_VALUE) ,"no private value"},
+{ERR_REASON(ECDH_R_POINT_ARITHMETIC_FAILURE),"point arithmetic failure"},
+{0,NULL}
+ };
+
+#endif
+
+void ERR_load_ECDH_strings(void)
+ {
+#ifndef OPENSSL_NO_ERR
+
+ if (ERR_func_error_string(ECDH_str_functs[0].error) == NULL)
+ {
+ ERR_load_strings(0,ECDH_str_functs);
+ ERR_load_strings(0,ECDH_str_reasons);
+ }
+#endif
+ }
diff --git a/crypto/ecdh/ech_key.c b/crypto/ecdh/ech_key.c
new file mode 100644
index 000000000000..f44da9298b5e
--- /dev/null
+++ b/crypto/ecdh/ech_key.c
@@ -0,0 +1,83 @@
+/* crypto/ecdh/ecdh_key.c */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ *
+ * The Elliptic Curve Public-Key Crypto Library (ECC Code) included
+ * herein is developed by SUN MICROSYSTEMS, INC., and is contributed
+ * to the OpenSSL project.
+ *
+ * The ECC Code is licensed pursuant to the OpenSSL open source
+ * license provided below.
+ *
+ * The ECDH software is originally written by Douglas Stebila of
+ * Sun Microsystems Laboratories.
+ *
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include "ech_locl.h"
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+
+int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
+ EC_KEY *eckey,
+ void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen))
+{
+ ECDH_DATA *ecdh = ecdh_check(eckey);
+ if (ecdh == NULL)
+ return 0;
+ return ecdh->meth->compute_key(out, outlen, pub_key, eckey, KDF);
+}
diff --git a/crypto/ecdh/ech_lib.c b/crypto/ecdh/ech_lib.c
new file mode 100644
index 000000000000..e89b1d477287
--- /dev/null
+++ b/crypto/ecdh/ech_lib.c
@@ -0,0 +1,247 @@
+/* crypto/ecdh/ech_lib.c */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ *
+ * The Elliptic Curve Public-Key Crypto Library (ECC Code) included
+ * herein is developed by SUN MICROSYSTEMS, INC., and is contributed
+ * to the OpenSSL project.
+ *
+ * The ECC Code is licensed pursuant to the OpenSSL open source
+ * license provided below.
+ *
+ * The ECDH software is originally written by Douglas Stebila of
+ * Sun Microsystems Laboratories.
+ *
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include "ech_locl.h"
+#include <string.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+#include <openssl/err.h>
+
+const char ECDH_version[]="ECDH" OPENSSL_VERSION_PTEXT;
+
+static const ECDH_METHOD *default_ECDH_method = NULL;
+
+static void *ecdh_data_new(void);
+static void *ecdh_data_dup(void *);
+static void ecdh_data_free(void *);
+
+void ECDH_set_default_method(const ECDH_METHOD *meth)
+ {
+ default_ECDH_method = meth;
+ }
+
+const ECDH_METHOD *ECDH_get_default_method(void)
+ {
+ if(!default_ECDH_method)
+ default_ECDH_method = ECDH_OpenSSL();
+ return default_ECDH_method;
+ }
+
+int ECDH_set_method(EC_KEY *eckey, const ECDH_METHOD *meth)
+ {
+ const ECDH_METHOD *mtmp;
+ ECDH_DATA *ecdh;
+
+ ecdh = ecdh_check(eckey);
+
+ if (ecdh == NULL)
+ return 0;
+
+ mtmp = ecdh->meth;
+#if 0
+ if (mtmp->finish)
+ mtmp->finish(eckey);
+#endif
+#ifndef OPENSSL_NO_ENGINE
+ if (ecdh->engine)
+ {
+ ENGINE_finish(ecdh->engine);
+ ecdh->engine = NULL;
+ }
+#endif
+ ecdh->meth = meth;
+#if 0
+ if (meth->init)
+ meth->init(eckey);
+#endif
+ return 1;
+ }
+
+static ECDH_DATA *ECDH_DATA_new_method(ENGINE *engine)
+ {
+ ECDH_DATA *ret;
+
+ ret=(ECDH_DATA *)OPENSSL_malloc(sizeof(ECDH_DATA));
+ if (ret == NULL)
+ {
+ ECDHerr(ECDH_F_ECDH_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
+ return(NULL);
+ }
+
+ ret->init = NULL;
+
+ ret->meth = ECDH_get_default_method();
+ ret->engine = engine;
+#ifndef OPENSSL_NO_ENGINE
+ if (!ret->engine)
+ ret->engine = ENGINE_get_default_ECDH();
+ if (ret->engine)
+ {
+ ret->meth = ENGINE_get_ECDH(ret->engine);
+ if (!ret->meth)
+ {
+ ECDHerr(ECDH_F_ECDH_DATA_NEW_METHOD, ERR_R_ENGINE_LIB);
+ ENGINE_finish(ret->engine);
+ OPENSSL_free(ret);
+ return NULL;
+ }
+ }
+#endif
+
+ ret->flags = ret->meth->flags;
+ CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDH, ret, &ret->ex_data);
+#if 0
+ if ((ret->meth->init != NULL) && !ret->meth->init(ret))
+ {
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDH, ret, &ret->ex_data);
+ OPENSSL_free(ret);
+ ret=NULL;
+ }
+#endif
+ return(ret);
+ }
+
+static void *ecdh_data_new(void)
+ {
+ return (void *)ECDH_DATA_new_method(NULL);
+ }
+
+static void *ecdh_data_dup(void *data)
+{
+ ECDH_DATA *r = (ECDH_DATA *)data;
+
+ /* XXX: dummy operation */
+ if (r == NULL)
+ return NULL;
+
+ return (void *)ecdh_data_new();
+}
+
+void ecdh_data_free(void *data)
+ {
+ ECDH_DATA *r = (ECDH_DATA *)data;
+
+#ifndef OPENSSL_NO_ENGINE
+ if (r->engine)
+ ENGINE_finish(r->engine);
+#endif
+
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDH, r, &r->ex_data);
+
+ OPENSSL_cleanse((void *)r, sizeof(ECDH_DATA));
+
+ OPENSSL_free(r);
+ }
+
+ECDH_DATA *ecdh_check(EC_KEY *key)
+ {
+ ECDH_DATA *ecdh_data;
+
+ void *data = EC_KEY_get_key_method_data(key, ecdh_data_dup,
+ ecdh_data_free, ecdh_data_free);
+ if (data == NULL)
+ {
+ ecdh_data = (ECDH_DATA *)ecdh_data_new();
+ if (ecdh_data == NULL)
+ return NULL;
+ EC_KEY_insert_key_method_data(key, (void *)ecdh_data,
+ ecdh_data_dup, ecdh_data_free, ecdh_data_free);
+ }
+ else
+ ecdh_data = (ECDH_DATA *)data;
+
+
+ return ecdh_data;
+ }
+
+int ECDH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+ CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
+ {
+ return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDH, argl, argp,
+ new_func, dup_func, free_func);
+ }
+
+int ECDH_set_ex_data(EC_KEY *d, int idx, void *arg)
+ {
+ ECDH_DATA *ecdh;
+ ecdh = ecdh_check(d);
+ if (ecdh == NULL)
+ return 0;
+ return(CRYPTO_set_ex_data(&ecdh->ex_data,idx,arg));
+ }
+
+void *ECDH_get_ex_data(EC_KEY *d, int idx)
+ {
+ ECDH_DATA *ecdh;
+ ecdh = ecdh_check(d);
+ if (ecdh == NULL)
+ return NULL;
+ return(CRYPTO_get_ex_data(&ecdh->ex_data,idx));
+ }
diff --git a/crypto/ecdh/ech_locl.h b/crypto/ecdh/ech_locl.h
new file mode 100644
index 000000000000..f658526a7e3a
--- /dev/null
+++ b/crypto/ecdh/ech_locl.h
@@ -0,0 +1,94 @@
+/* crypto/ecdh/ech_locl.h */
+/* ====================================================================
+ * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#ifndef HEADER_ECH_LOCL_H
+#define HEADER_ECH_LOCL_H
+
+#include <openssl/ecdh.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ecdh_method
+ {
+ const char *name;
+ int (*compute_key)(void *key, size_t outlen, const EC_POINT *pub_key, EC_KEY *ecdh,
+ void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen));
+#if 0
+ int (*init)(EC_KEY *eckey);
+ int (*finish)(EC_KEY *eckey);
+#endif
+ int flags;
+ char *app_data;
+ };
+
+typedef struct ecdh_data_st {
+ /* EC_KEY_METH_DATA part */
+ int (*init)(EC_KEY *);
+ /* method specific part */
+ ENGINE *engine;
+ int flags;
+ const ECDH_METHOD *meth;
+ CRYPTO_EX_DATA ex_data;
+} ECDH_DATA;
+
+ECDH_DATA *ecdh_check(EC_KEY *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HEADER_ECH_LOCL_H */
diff --git a/crypto/ecdh/ech_ossl.c b/crypto/ecdh/ech_ossl.c
new file mode 100644
index 000000000000..2a40ff12dfa8
--- /dev/null
+++ b/crypto/ecdh/ech_ossl.c
@@ -0,0 +1,213 @@
+/* crypto/ecdh/ech_ossl.c */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ *
+ * The Elliptic Curve Public-Key Crypto Library (ECC Code) included
+ * herein is developed by SUN MICROSYSTEMS, INC., and is contributed
+ * to the OpenSSL project.
+ *
+ * The ECC Code is licensed pursuant to the OpenSSL open source
+ * license provided below.
+ *
+ * The ECDH software is originally written by Douglas Stebila of
+ * Sun Microsystems Laboratories.
+ *
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+
+#include <string.h>
+#include <limits.h>
+
+#include "cryptlib.h"
+
+#include "ech_locl.h"
+#include <openssl/err.h>
+#include <openssl/sha.h>
+#include <openssl/obj_mac.h>
+#include <openssl/bn.h>
+
+static int ecdh_compute_key(void *out, size_t len, const EC_POINT *pub_key,
+ EC_KEY *ecdh,
+ void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen));
+
+static ECDH_METHOD openssl_ecdh_meth = {
+ "OpenSSL ECDH method",
+ ecdh_compute_key,
+#if 0
+ NULL, /* init */
+ NULL, /* finish */
+#endif
+ 0, /* flags */
+ NULL /* app_data */
+};
+
+const ECDH_METHOD *ECDH_OpenSSL(void)
+ {
+ return &openssl_ecdh_meth;
+ }
+
+
+/* This implementation is based on the following primitives in the IEEE 1363 standard:
+ * - ECKAS-DH1
+ * - ECSVDP-DH
+ * Finally an optional KDF is applied.
+ */
+static int ecdh_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
+ EC_KEY *ecdh,
+ void *(*KDF)(const void *in, size_t inlen, void *out, size_t *outlen))
+ {
+ BN_CTX *ctx;
+ EC_POINT *tmp=NULL;
+ BIGNUM *x=NULL, *y=NULL;
+ const BIGNUM *priv_key;
+ const EC_GROUP* group;
+ int ret= -1;
+ size_t buflen, len;
+ unsigned char *buf=NULL;
+
+ if (outlen > INT_MAX)
+ {
+ ECDHerr(ECDH_F_ECDH_COMPUTE_KEY,ERR_R_MALLOC_FAILURE); /* sort of, anyway */
+ return -1;
+ }
+
+ if ((ctx = BN_CTX_new()) == NULL) goto err;
+ BN_CTX_start(ctx);
+ x = BN_CTX_get(ctx);
+ y = BN_CTX_get(ctx);
+
+ priv_key = EC_KEY_get0_private_key(ecdh);
+ if (priv_key == NULL)
+ {
+ ECDHerr(ECDH_F_ECDH_COMPUTE_KEY,ECDH_R_NO_PRIVATE_VALUE);
+ goto err;
+ }
+
+ group = EC_KEY_get0_group(ecdh);
+ if ((tmp=EC_POINT_new(group)) == NULL)
+ {
+ ECDHerr(ECDH_F_ECDH_COMPUTE_KEY,ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (!EC_POINT_mul(group, tmp, NULL, pub_key, priv_key, ctx))
+ {
+ ECDHerr(ECDH_F_ECDH_COMPUTE_KEY,ECDH_R_POINT_ARITHMETIC_FAILURE);
+ goto err;
+ }
+
+ if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
+ {
+ if (!EC_POINT_get_affine_coordinates_GFp(group, tmp, x, y, ctx))
+ {
+ ECDHerr(ECDH_F_ECDH_COMPUTE_KEY,ECDH_R_POINT_ARITHMETIC_FAILURE);
+ goto err;
+ }
+ }
+ else
+ {
+ if (!EC_POINT_get_affine_coordinates_GF2m(group, tmp, x, y, ctx))
+ {
+ ECDHerr(ECDH_F_ECDH_COMPUTE_KEY,ECDH_R_POINT_ARITHMETIC_FAILURE);
+ goto err;
+ }
+ }
+
+ buflen = (EC_GROUP_get_degree(group) + 7)/8;
+ len = BN_num_bytes(x);
+ if (len > buflen)
+ {
+ ECDHerr(ECDH_F_ECDH_COMPUTE_KEY,ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ if ((buf = OPENSSL_malloc(buflen)) == NULL)
+ {
+ ECDHerr(ECDH_F_ECDH_COMPUTE_KEY,ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ memset(buf, 0, buflen - len);
+ if (len != (size_t)BN_bn2bin(x, buf + buflen - len))
+ {
+ ECDHerr(ECDH_F_ECDH_COMPUTE_KEY,ERR_R_BN_LIB);
+ goto err;
+ }
+
+ if (KDF != 0)
+ {
+ if (KDF(buf, buflen, out, &outlen) == NULL)
+ {
+ ECDHerr(ECDH_F_ECDH_COMPUTE_KEY,ECDH_R_KDF_FAILED);
+ goto err;
+ }
+ ret = outlen;
+ }
+ else
+ {
+ /* no KDF, just copy as much as we can */
+ if (outlen > buflen)
+ outlen = buflen;
+ memcpy(out, buf, outlen);
+ ret = outlen;
+ }
+
+err:
+ if (tmp) EC_POINT_free(tmp);
+ if (ctx) BN_CTX_end(ctx);
+ if (ctx) BN_CTX_free(ctx);
+ if (buf) OPENSSL_free(buf);
+ return(ret);
+ }