ec/ecp_nistz256.c: improve ECDSA sign by 30-40%.

[openssl.git] / crypto / ec / ec_lcl.h

diff --git a/crypto/ec/ec_lcl.h b/crypto/ec/ec_lcl.h
index 7d72a527342d0a42138f503fb9874a0b39e64467..540aa534e7ea7e891a4df0fbf8c0292ecf30a016 100644 (file)
--- a/crypto/ec/ec_lcl.h
+++ b/crypto/ec/ec_lcl.h
@@ -1,5 +1,6 @@
 /*
- * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2001-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -7,20 +8,6 @@
  * https://www.openssl.org/source/license.html
  */
 
-/* ====================================================================
- * 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 <stdlib.h>
 
 #include <openssl/obj_mac.h>
@@ -28,8 +15,6 @@
 #include <openssl/bn.h>
 #include "internal/refcount.h"
 
-#include "e_os.h"
-
 #if defined(__SUNPRO_C)
 # if __SUNPRO_C >= 0x520
 #  pragma error_messages (off,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE)
@@ -170,6 +155,9 @@ struct ec_method_st {
     /* custom ECDH operation */
     int (*ecdh_compute_key)(unsigned char **pout, size_t *poutlen,
                             const EC_POINT *pub_key, const EC_KEY *ecdh);
+    /* Inverse modulo order */
+    int (*field_inverse_mod_ord)(const EC_GROUP *, BIGNUM *r, BIGNUM *x,
+                                 BN_CTX *ctx);
 };
 
 /*
@@ -535,7 +523,6 @@ void ec_GFp_nistp_points_make_affine_internal(size_t num, void *point_array,
 void ec_GFp_nistp_recode_scalar_bits(unsigned char *sign,
                                      unsigned char *digit, unsigned char in);
 #endif
-int ec_precompute_mont_data(EC_GROUP *);
 int ec_group_simple_order_bits(const EC_GROUP *group);
 
 #ifdef ECP_NISTZ256_ASM
@@ -608,7 +595,17 @@ int ossl_ecdsa_verify(int type, const unsigned char *dgst, int dgst_len,
 int ossl_ecdsa_verify_sig(const unsigned char *dgst, int dgst_len,
                           const ECDSA_SIG *sig, EC_KEY *eckey);
 
+int ED25519_sign(uint8_t *out_sig, const uint8_t *message, size_t message_len,
+                 const uint8_t public_key[32], const uint8_t private_key[32]);
+int ED25519_verify(const uint8_t *message, size_t message_len,
+                   const uint8_t signature[64], const uint8_t public_key[32]);
+void ED25519_public_from_private(uint8_t out_public_key[32],
+                                 const uint8_t private_key[32]);
+
 int X25519(uint8_t out_shared_key[32], const uint8_t private_key[32],
            const uint8_t peer_public_value[32]);
 void X25519_public_from_private(uint8_t out_public_value[32],
                                 const uint8_t private_key[32]);
+
+int EC_GROUP_do_inverse_ord(const EC_GROUP *group, BIGNUM *res,
+                            BIGNUM *x, BN_CTX *ctx);