1 files changed, 81 insertions, 70 deletions

diff --git a/src/lib/libcrypto/ec/ecp_mont.c b/src/lib/libcrypto/ec/ecp_mont.c
index 7b30d4c38a..9fc4a466a5 100644
--- a/src/lib/libcrypto/ec/ecp_mont.c
+++ b/src/lib/libcrypto/ec/ecp_mont.c
@@ -1,4 +1,7 @@
 /* crypto/ec/ecp_mont.c */
+/*
+ * Originally written by Bodo Moeller for the OpenSSL project.
+ */
 /* ====================================================================
  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
  *
@@ -52,6 +55,11 @@
  * Hudson (tjh@cryptsoft.com).
  *
  */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ * Portions of this software developed by SUN MICROSYSTEMS, INC.,
+ * and contributed to the OpenSSL project.
+ */
 
 #include <openssl/err.h>
 
@@ -61,16 +69,15 @@
 const EC_METHOD *EC_GFp_mont_method(void)
         {
         static const EC_METHOD ret = {
+                NID_X9_62_prime_field,
                 ec_GFp_mont_group_init,
                 ec_GFp_mont_group_finish,
                 ec_GFp_mont_group_clear_finish,
                 ec_GFp_mont_group_copy,
-                ec_GFp_mont_group_set_curve_GFp,
-                ec_GFp_simple_group_get_curve_GFp,
-                ec_GFp_simple_group_set_generator,
-                ec_GFp_simple_group_get0_generator,
-                ec_GFp_simple_group_get_order,
-                ec_GFp_simple_group_get_cofactor,
+                ec_GFp_mont_group_set_curve,
+                ec_GFp_simple_group_get_curve,
+                ec_GFp_simple_group_get_degree,
+                ec_GFp_simple_group_check_discriminant,
                 ec_GFp_simple_point_init,
                 ec_GFp_simple_point_finish,
                 ec_GFp_simple_point_clear_finish,
@@ -78,9 +85,9 @@ const EC_METHOD *EC_GFp_mont_method(void)
                 ec_GFp_simple_point_set_to_infinity,
                 ec_GFp_simple_set_Jprojective_coordinates_GFp,
                 ec_GFp_simple_get_Jprojective_coordinates_GFp,
-                ec_GFp_simple_point_set_affine_coordinates_GFp,
-                ec_GFp_simple_point_get_affine_coordinates_GFp,
-                ec_GFp_simple_set_compressed_coordinates_GFp,
+                ec_GFp_simple_point_set_affine_coordinates,
+                ec_GFp_simple_point_get_affine_coordinates,
+                ec_GFp_simple_set_compressed_coordinates,
                 ec_GFp_simple_point2oct,
                 ec_GFp_simple_oct2point,
                 ec_GFp_simple_add,
@@ -91,8 +98,12 @@ const EC_METHOD *EC_GFp_mont_method(void)
                 ec_GFp_simple_cmp,
                 ec_GFp_simple_make_affine,
                 ec_GFp_simple_points_make_affine,
+                0 /* mul */,
+                0 /* precompute_mult */,
+                0 /* have_precompute_mult */,   
                 ec_GFp_mont_field_mul,
                 ec_GFp_mont_field_sqr,
+                0 /* field_div */,
                 ec_GFp_mont_field_encode,
                 ec_GFp_mont_field_decode,
                 ec_GFp_mont_field_set_to_one };
@@ -112,66 +123,6 @@ int ec_GFp_mont_group_init(EC_GROUP *group)
         }
 
 
-int ec_GFp_mont_group_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
-        {
-        BN_CTX *new_ctx = NULL;
-        BN_MONT_CTX *mont = NULL;
-        BIGNUM *one = NULL;
-        int ret = 0;
-
-        if (group->field_data1 != NULL)
-                {
-                BN_MONT_CTX_free(group->field_data1);
-                group->field_data1 = NULL;
-                }
-        if (group->field_data2 != NULL)
-                {
-                BN_free(group->field_data2);
-                group->field_data2 = NULL;
-                }
-        
-        if (ctx == NULL)
-                {
-                ctx = new_ctx = BN_CTX_new();
-                if (ctx == NULL)
-                        return 0;
-                }
-
-        mont = BN_MONT_CTX_new();
-        if (mont == NULL) goto err;
-        if (!BN_MONT_CTX_set(mont, p, ctx))
-                {
-                ECerr(EC_F_GFP_MONT_GROUP_SET_CURVE_GFP, ERR_R_BN_LIB);
-                goto err;
-                }
-        one = BN_new();
-        if (one == NULL) goto err;
-        if (!BN_to_montgomery(one, BN_value_one(), mont, ctx)) goto err;
-
-        group->field_data1 = mont;
-        mont = NULL;
-        group->field_data2 = one;
-        one = NULL;
-
-        ret = ec_GFp_simple_group_set_curve_GFp(group, p, a, b, ctx);
-
-        if (!ret)
-                {
-                BN_MONT_CTX_free(group->field_data1);
-                group->field_data1 = NULL;
-                BN_free(group->field_data2);
-                group->field_data2 = NULL;
-                }
-
- err:
-        if (new_ctx != NULL)
-                BN_CTX_free(new_ctx);
-        if (mont != NULL)
-                BN_MONT_CTX_free(mont);
-        return ret;
-        }
-
-
 void ec_GFp_mont_group_finish(EC_GROUP *group)
         {
         if (group->field_data1 != NULL)
@@ -243,6 +194,66 @@ int ec_GFp_mont_group_copy(EC_GROUP *dest, const EC_GROUP *src)
         }
 
 
+int ec_GFp_mont_group_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
+        {
+        BN_CTX *new_ctx = NULL;
+        BN_MONT_CTX *mont = NULL;
+        BIGNUM *one = NULL;
+        int ret = 0;
+
+        if (group->field_data1 != NULL)
+                {
+                BN_MONT_CTX_free(group->field_data1);
+                group->field_data1 = NULL;
+                }
+        if (group->field_data2 != NULL)
+                {
+                BN_free(group->field_data2);
+                group->field_data2 = NULL;
+                }
+        
+        if (ctx == NULL)
+                {
+                ctx = new_ctx = BN_CTX_new();
+                if (ctx == NULL)
+                        return 0;
+                }
+
+        mont = BN_MONT_CTX_new();
+        if (mont == NULL) goto err;
+        if (!BN_MONT_CTX_set(mont, p, ctx))
+                {
+                ECerr(EC_F_EC_GFP_MONT_GROUP_SET_CURVE, ERR_R_BN_LIB);
+                goto err;
+                }
+        one = BN_new();
+        if (one == NULL) goto err;
+        if (!BN_to_montgomery(one, BN_value_one(), mont, ctx)) goto err;
+
+        group->field_data1 = mont;
+        mont = NULL;
+        group->field_data2 = one;
+        one = NULL;
+
+        ret = ec_GFp_simple_group_set_curve(group, p, a, b, ctx);
+
+        if (!ret)
+                {
+                BN_MONT_CTX_free(group->field_data1);
+                group->field_data1 = NULL;
+                BN_free(group->field_data2);
+                group->field_data2 = NULL;
+                }
+
+ err:
+        if (new_ctx != NULL)
+                BN_CTX_free(new_ctx);
+        if (mont != NULL)
+                BN_MONT_CTX_free(mont);
+        return ret;
+        }
+
+
 int ec_GFp_mont_field_mul(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
         {
         if (group->field_data1 == NULL)
@@ -295,7 +306,7 @@ int ec_GFp_mont_field_set_to_one(const EC_GROUP *group, BIGNUM *r, BN_CTX *ctx)
         {
         if (group->field_data2 == NULL)
                 {
-                ECerr(EC_F_EC_GFP_MONT_FIELD_DECODE, EC_R_NOT_INITIALIZED);
+                ECerr(EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE, EC_R_NOT_INITIALIZED);
                 return 0;
                 }