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authorJung-uk Kim <jkim@FreeBSD.org>2015-10-23 19:46:02 +0000
committerJung-uk Kim <jkim@FreeBSD.org>2015-10-23 19:46:02 +0000
commite9fcefce9bb70f20c272a996443928c5f6ab8cd8 (patch)
treeae816a5a768ec78af3610e509ca39507b33aa9f7 /crypto/ecdh
parentc07d7b3a386974c338492659291008bed07948e6 (diff)
downloadsrc-e9fcefce9bb70f20c272a996443928c5f6ab8cd8.tar.gz
src-e9fcefce9bb70f20c272a996443928c5f6ab8cd8.zip
Import OpenSSL 1.0.2d.vendor/openssl/1.0.2d
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=289848 svn path=/vendor-crypto/openssl/1.0.2d/; revision=289849; tag=vendor/openssl/1.0.2d
Diffstat (limited to 'crypto/ecdh')
-rw-r--r--crypto/ecdh/Makefile12
-rw-r--r--crypto/ecdh/ecdh.h7
-rw-r--r--crypto/ecdh/ecdhtest.c170
-rw-r--r--crypto/ecdh/ech_kdf.c111
-rw-r--r--crypto/ecdh/ech_ossl.c10
5 files changed, 308 insertions, 2 deletions
diff --git a/crypto/ecdh/Makefile b/crypto/ecdh/Makefile
index f0766356a132..1b31ba1f0b3f 100644
--- a/crypto/ecdh/Makefile
+++ b/crypto/ecdh/Makefile
@@ -17,9 +17,9 @@ TEST=ecdhtest.c
APPS=
LIB=$(TOP)/libcrypto.a
-LIBSRC= ech_lib.c ech_ossl.c ech_key.c ech_err.c
+LIBSRC= ech_lib.c ech_ossl.c ech_key.c ech_err.c ech_kdf.c
-LIBOBJ= ech_lib.o ech_ossl.o ech_key.o ech_err.o
+LIBOBJ= ech_lib.o ech_ossl.o ech_key.o ech_err.o ech_kdf.o
SRC= $(LIBSRC)
@@ -85,6 +85,14 @@ ech_err.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
ech_err.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h
ech_err.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
ech_err.o: ech_err.c
+ech_kdf.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
+ech_kdf.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
+ech_kdf.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
+ech_kdf.o: ../../include/openssl/evp.h ../../include/openssl/obj_mac.h
+ech_kdf.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
+ech_kdf.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
+ech_kdf.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
+ech_kdf.o: ../../include/openssl/symhacks.h ech_kdf.c
ech_key.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
ech_key.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
ech_key.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
diff --git a/crypto/ecdh/ecdh.h b/crypto/ecdh/ecdh.h
index a9b811abd050..25348b30fe7c 100644
--- a/crypto/ecdh/ecdh.h
+++ b/crypto/ecdh/ecdh.h
@@ -85,6 +85,8 @@
extern "C" {
#endif
+# define EC_FLAG_COFACTOR_ECDH 0x1000
+
const ECDH_METHOD *ECDH_OpenSSL(void);
void ECDH_set_default_method(const ECDH_METHOD *);
@@ -101,6 +103,11 @@ int ECDH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new
int ECDH_set_ex_data(EC_KEY *d, int idx, void *arg);
void *ECDH_get_ex_data(EC_KEY *d, int idx);
+int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
+ const unsigned char *Z, size_t Zlen,
+ const unsigned char *sinfo, size_t sinfolen,
+ const EVP_MD *md);
+
/* BEGIN ERROR CODES */
/*
* The following lines are auto generated by the script mkerr.pl. Any changes
diff --git a/crypto/ecdh/ecdhtest.c b/crypto/ecdh/ecdhtest.c
index 996321d1ee43..2fe2c66443d0 100644
--- a/crypto/ecdh/ecdhtest.c
+++ b/crypto/ecdh/ecdhtest.c
@@ -312,6 +312,170 @@ static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out)
return (ret);
}
+/* Keys and shared secrets from RFC 7027 */
+
+static const unsigned char bp256_da[] = {
+ 0x81, 0xDB, 0x1E, 0xE1, 0x00, 0x15, 0x0F, 0xF2, 0xEA, 0x33, 0x8D, 0x70,
+ 0x82, 0x71, 0xBE, 0x38, 0x30, 0x0C, 0xB5, 0x42, 0x41, 0xD7, 0x99, 0x50,
+ 0xF7, 0x7B, 0x06, 0x30, 0x39, 0x80, 0x4F, 0x1D
+};
+
+static const unsigned char bp256_db[] = {
+ 0x55, 0xE4, 0x0B, 0xC4, 0x1E, 0x37, 0xE3, 0xE2, 0xAD, 0x25, 0xC3, 0xC6,
+ 0x65, 0x45, 0x11, 0xFF, 0xA8, 0x47, 0x4A, 0x91, 0xA0, 0x03, 0x20, 0x87,
+ 0x59, 0x38, 0x52, 0xD3, 0xE7, 0xD7, 0x6B, 0xD3
+};
+
+static const unsigned char bp256_Z[] = {
+ 0x89, 0xAF, 0xC3, 0x9D, 0x41, 0xD3, 0xB3, 0x27, 0x81, 0x4B, 0x80, 0x94,
+ 0x0B, 0x04, 0x25, 0x90, 0xF9, 0x65, 0x56, 0xEC, 0x91, 0xE6, 0xAE, 0x79,
+ 0x39, 0xBC, 0xE3, 0x1F, 0x3A, 0x18, 0xBF, 0x2B
+};
+
+static const unsigned char bp384_da[] = {
+ 0x1E, 0x20, 0xF5, 0xE0, 0x48, 0xA5, 0x88, 0x6F, 0x1F, 0x15, 0x7C, 0x74,
+ 0xE9, 0x1B, 0xDE, 0x2B, 0x98, 0xC8, 0xB5, 0x2D, 0x58, 0xE5, 0x00, 0x3D,
+ 0x57, 0x05, 0x3F, 0xC4, 0xB0, 0xBD, 0x65, 0xD6, 0xF1, 0x5E, 0xB5, 0xD1,
+ 0xEE, 0x16, 0x10, 0xDF, 0x87, 0x07, 0x95, 0x14, 0x36, 0x27, 0xD0, 0x42
+};
+
+static const unsigned char bp384_db[] = {
+ 0x03, 0x26, 0x40, 0xBC, 0x60, 0x03, 0xC5, 0x92, 0x60, 0xF7, 0x25, 0x0C,
+ 0x3D, 0xB5, 0x8C, 0xE6, 0x47, 0xF9, 0x8E, 0x12, 0x60, 0xAC, 0xCE, 0x4A,
+ 0xCD, 0xA3, 0xDD, 0x86, 0x9F, 0x74, 0xE0, 0x1F, 0x8B, 0xA5, 0xE0, 0x32,
+ 0x43, 0x09, 0xDB, 0x6A, 0x98, 0x31, 0x49, 0x7A, 0xBA, 0xC9, 0x66, 0x70
+};
+
+static const unsigned char bp384_Z[] = {
+ 0x0B, 0xD9, 0xD3, 0xA7, 0xEA, 0x0B, 0x3D, 0x51, 0x9D, 0x09, 0xD8, 0xE4,
+ 0x8D, 0x07, 0x85, 0xFB, 0x74, 0x4A, 0x6B, 0x35, 0x5E, 0x63, 0x04, 0xBC,
+ 0x51, 0xC2, 0x29, 0xFB, 0xBC, 0xE2, 0x39, 0xBB, 0xAD, 0xF6, 0x40, 0x37,
+ 0x15, 0xC3, 0x5D, 0x4F, 0xB2, 0xA5, 0x44, 0x4F, 0x57, 0x5D, 0x4F, 0x42
+};
+
+static const unsigned char bp512_da[] = {
+ 0x16, 0x30, 0x2F, 0xF0, 0xDB, 0xBB, 0x5A, 0x8D, 0x73, 0x3D, 0xAB, 0x71,
+ 0x41, 0xC1, 0xB4, 0x5A, 0xCB, 0xC8, 0x71, 0x59, 0x39, 0x67, 0x7F, 0x6A,
+ 0x56, 0x85, 0x0A, 0x38, 0xBD, 0x87, 0xBD, 0x59, 0xB0, 0x9E, 0x80, 0x27,
+ 0x96, 0x09, 0xFF, 0x33, 0x3E, 0xB9, 0xD4, 0xC0, 0x61, 0x23, 0x1F, 0xB2,
+ 0x6F, 0x92, 0xEE, 0xB0, 0x49, 0x82, 0xA5, 0xF1, 0xD1, 0x76, 0x4C, 0xAD,
+ 0x57, 0x66, 0x54, 0x22
+};
+
+static const unsigned char bp512_db[] = {
+ 0x23, 0x0E, 0x18, 0xE1, 0xBC, 0xC8, 0x8A, 0x36, 0x2F, 0xA5, 0x4E, 0x4E,
+ 0xA3, 0x90, 0x20, 0x09, 0x29, 0x2F, 0x7F, 0x80, 0x33, 0x62, 0x4F, 0xD4,
+ 0x71, 0xB5, 0xD8, 0xAC, 0xE4, 0x9D, 0x12, 0xCF, 0xAB, 0xBC, 0x19, 0x96,
+ 0x3D, 0xAB, 0x8E, 0x2F, 0x1E, 0xBA, 0x00, 0xBF, 0xFB, 0x29, 0xE4, 0xD7,
+ 0x2D, 0x13, 0xF2, 0x22, 0x45, 0x62, 0xF4, 0x05, 0xCB, 0x80, 0x50, 0x36,
+ 0x66, 0xB2, 0x54, 0x29
+};
+
+static const unsigned char bp512_Z[] = {
+ 0xA7, 0x92, 0x70, 0x98, 0x65, 0x5F, 0x1F, 0x99, 0x76, 0xFA, 0x50, 0xA9,
+ 0xD5, 0x66, 0x86, 0x5D, 0xC5, 0x30, 0x33, 0x18, 0x46, 0x38, 0x1C, 0x87,
+ 0x25, 0x6B, 0xAF, 0x32, 0x26, 0x24, 0x4B, 0x76, 0xD3, 0x64, 0x03, 0xC0,
+ 0x24, 0xD7, 0xBB, 0xF0, 0xAA, 0x08, 0x03, 0xEA, 0xFF, 0x40, 0x5D, 0x3D,
+ 0x24, 0xF1, 0x1A, 0x9B, 0x5C, 0x0B, 0xEF, 0x67, 0x9F, 0xE1, 0x45, 0x4B,
+ 0x21, 0xC4, 0xCD, 0x1F
+};
+
+/* Given private value and NID, create EC_KEY structure */
+
+static EC_KEY *mk_eckey(int nid, const unsigned char *p, size_t plen)
+{
+ int ok = 0;
+ EC_KEY *k = NULL;
+ BIGNUM *priv = NULL;
+ EC_POINT *pub = NULL;
+ const EC_GROUP *grp;
+ k = EC_KEY_new_by_curve_name(nid);
+ if (!k)
+ goto err;
+ priv = BN_bin2bn(p, plen, NULL);
+ if (!priv)
+ goto err;
+ if (!EC_KEY_set_private_key(k, priv))
+ goto err;
+ grp = EC_KEY_get0_group(k);
+ pub = EC_POINT_new(grp);
+ if (!pub)
+ goto err;
+ if (!EC_POINT_mul(grp, pub, priv, NULL, NULL, NULL))
+ goto err;
+ if (!EC_KEY_set_public_key(k, pub))
+ goto err;
+ ok = 1;
+ err:
+ if (priv)
+ BN_clear_free(priv);
+ if (pub)
+ EC_POINT_free(pub);
+ if (ok)
+ return k;
+ else if (k)
+ EC_KEY_free(k);
+ return NULL;
+}
+
+/*
+ * Known answer test: compute shared secret and check it matches expected
+ * value.
+ */
+
+static int ecdh_kat(BIO *out, const char *cname, int nid,
+ const unsigned char *k1, size_t k1_len,
+ const unsigned char *k2, size_t k2_len,
+ const unsigned char *Z, size_t Zlen)
+{
+ int rv = 0;
+ EC_KEY *key1 = NULL, *key2 = NULL;
+ unsigned char *Ztmp = NULL;
+ size_t Ztmplen;
+ BIO_puts(out, "Testing ECDH shared secret with ");
+ BIO_puts(out, cname);
+ key1 = mk_eckey(nid, k1, k1_len);
+ key2 = mk_eckey(nid, k2, k2_len);
+ if (!key1 || !key2)
+ goto err;
+ Ztmplen = (EC_GROUP_get_degree(EC_KEY_get0_group(key1)) + 7) / 8;
+ if (Ztmplen != Zlen)
+ goto err;
+ Ztmp = OPENSSL_malloc(Ztmplen);
+ if (!ECDH_compute_key(Ztmp, Ztmplen,
+ EC_KEY_get0_public_key(key2), key1, 0))
+ goto err;
+ if (memcmp(Ztmp, Z, Zlen))
+ goto err;
+ memset(Ztmp, 0, Zlen);
+ if (!ECDH_compute_key(Ztmp, Ztmplen,
+ EC_KEY_get0_public_key(key1), key2, 0))
+ goto err;
+ if (memcmp(Ztmp, Z, Zlen))
+ goto err;
+ rv = 1;
+ err:
+ if (key1)
+ EC_KEY_free(key1);
+ if (key2)
+ EC_KEY_free(key2);
+ if (Ztmp)
+ OPENSSL_free(Ztmp);
+ if (rv)
+ BIO_puts(out, " ok\n");
+ else {
+ fprintf(stderr, "Error in ECDH routines\n");
+ ERR_print_errors_fp(stderr);
+ }
+ return rv;
+}
+
+# define test_ecdh_kat(bio, curve, bits) \
+ ecdh_kat(bio, curve, NID_brainpoolP##bits##r1, \
+ bp##bits##_da, sizeof(bp##bits##_da), \
+ bp##bits##_db, sizeof(bp##bits##_db), \
+ bp##bits##_Z, sizeof(bp##bits##_Z))
+
int main(int argc, char *argv[])
{
BN_CTX *ctx = NULL;
@@ -372,6 +536,12 @@ int main(int argc, char *argv[])
if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out))
goto err;
# endif
+ if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP256r1", 256))
+ goto err;
+ if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP384r1", 384))
+ goto err;
+ if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP512r1", 512))
+ goto err;
ret = 0;
diff --git a/crypto/ecdh/ech_kdf.c b/crypto/ecdh/ech_kdf.c
new file mode 100644
index 000000000000..ac722ac9ee69
--- /dev/null
+++ b/crypto/ecdh/ech_kdf.c
@@ -0,0 +1,111 @@
+/* crypto/ecdh/ec_kdf.c */
+/*
+ * Written by Stephen Henson for the OpenSSL project.
+ */
+/* ====================================================================
+ * Copyright (c) 2013 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+#define OPENSSL_FIPSAPI
+
+#include <string.h>
+#include <openssl/ecdh.h>
+#include <openssl/evp.h>
+
+/* Key derivation function from X9.62/SECG */
+/* Way more than we will ever need */
+#define ECDH_KDF_MAX (1 << 30)
+
+int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
+ const unsigned char *Z, size_t Zlen,
+ const unsigned char *sinfo, size_t sinfolen,
+ const EVP_MD *md)
+{
+ EVP_MD_CTX mctx;
+ int rv = 0;
+ unsigned int i;
+ size_t mdlen;
+ unsigned char ctr[4];
+ if (sinfolen > ECDH_KDF_MAX || outlen > ECDH_KDF_MAX
+ || Zlen > ECDH_KDF_MAX)
+ return 0;
+ mdlen = EVP_MD_size(md);
+ EVP_MD_CTX_init(&mctx);
+ for (i = 1;; i++) {
+ unsigned char mtmp[EVP_MAX_MD_SIZE];
+ EVP_DigestInit_ex(&mctx, md, NULL);
+ ctr[3] = i & 0xFF;
+ ctr[2] = (i >> 8) & 0xFF;
+ ctr[1] = (i >> 16) & 0xFF;
+ ctr[0] = (i >> 24) & 0xFF;
+ if (!EVP_DigestUpdate(&mctx, Z, Zlen))
+ goto err;
+ if (!EVP_DigestUpdate(&mctx, ctr, sizeof(ctr)))
+ goto err;
+ if (!EVP_DigestUpdate(&mctx, sinfo, sinfolen))
+ goto err;
+ if (outlen >= mdlen) {
+ if (!EVP_DigestFinal(&mctx, out, NULL))
+ goto err;
+ outlen -= mdlen;
+ if (outlen == 0)
+ break;
+ out += mdlen;
+ } else {
+ if (!EVP_DigestFinal(&mctx, mtmp, NULL))
+ goto err;
+ memcpy(out, mtmp, outlen);
+ OPENSSL_cleanse(mtmp, mdlen);
+ break;
+ }
+ }
+ rv = 1;
+ err:
+ EVP_MD_CTX_cleanup(&mctx);
+ return rv;
+}
diff --git a/crypto/ecdh/ech_ossl.c b/crypto/ecdh/ech_ossl.c
index d448b19a528f..df115cc262e5 100644
--- a/crypto/ecdh/ech_ossl.c
+++ b/crypto/ecdh/ech_ossl.c
@@ -138,6 +138,16 @@ static int ecdh_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
}
group = EC_KEY_get0_group(ecdh);
+
+ if (EC_KEY_get_flags(ecdh) & EC_FLAG_COFACTOR_ECDH) {
+ if (!EC_GROUP_get_cofactor(group, x, ctx) ||
+ !BN_mul(x, x, priv_key, ctx)) {
+ ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ priv_key = x;
+ }
+
if ((tmp = EC_POINT_new(group)) == NULL) {
ECDHerr(ECDH_F_ECDH_COMPUTE_KEY, ERR_R_MALLOC_FAILURE);
goto err;