jdk/src/share/native/sun/security/ec/impl/ecl.c
author vinnie
Mon, 30 May 2011 16:37:42 +0100
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permissions -rw-r--r--
7049173: Replace the software license for ECC native code Reviewed-by: alanb
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/*
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 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
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 * Use is subject to license terms.
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this library; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/* *********************************************************************
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 *
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 * The Original Code is the elliptic curve math library.
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 *
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 * The Initial Developer of the Original Code is
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 * Sun Microsystems, Inc.
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 * Portions created by the Initial Developer are Copyright (C) 2003
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 * the Initial Developer. All Rights Reserved.
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 *
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 * Contributor(s):
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 *   Douglas Stebila <douglas@stebila.ca>, Sun Microsystems Laboratories
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 *
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 *********************************************************************** */
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#include "mpi.h"
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#include "mplogic.h"
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#include "ecl.h"
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#include "ecl-priv.h"
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#include "ec2.h"
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#include "ecp.h"
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#ifndef _KERNEL
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#include <stdlib.h>
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#include <string.h>
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#endif
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/* Allocate memory for a new ECGroup object. */
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ECGroup *
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ECGroup_new(int kmflag)
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{
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        mp_err res = MP_OKAY;
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        ECGroup *group;
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#ifdef _KERNEL
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        group = (ECGroup *) kmem_alloc(sizeof(ECGroup), kmflag);
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#else
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        group = (ECGroup *) malloc(sizeof(ECGroup));
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#endif
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        if (group == NULL)
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                return NULL;
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        group->constructed = MP_YES;
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        group->meth = NULL;
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        group->text = NULL;
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        MP_DIGITS(&group->curvea) = 0;
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        MP_DIGITS(&group->curveb) = 0;
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        MP_DIGITS(&group->genx) = 0;
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        MP_DIGITS(&group->geny) = 0;
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        MP_DIGITS(&group->order) = 0;
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        group->base_point_mul = NULL;
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        group->points_mul = NULL;
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        group->validate_point = NULL;
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        group->extra1 = NULL;
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        group->extra2 = NULL;
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        group->extra_free = NULL;
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        MP_CHECKOK(mp_init(&group->curvea, kmflag));
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        MP_CHECKOK(mp_init(&group->curveb, kmflag));
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        MP_CHECKOK(mp_init(&group->genx, kmflag));
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        MP_CHECKOK(mp_init(&group->geny, kmflag));
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        MP_CHECKOK(mp_init(&group->order, kmflag));
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  CLEANUP:
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        if (res != MP_OKAY) {
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                ECGroup_free(group);
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                return NULL;
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        }
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        return group;
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}
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/* Construct a generic ECGroup for elliptic curves over prime fields. */
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ECGroup *
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ECGroup_consGFp(const mp_int *irr, const mp_int *curvea,
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                                const mp_int *curveb, const mp_int *genx,
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                                const mp_int *geny, const mp_int *order, int cofactor)
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{
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        mp_err res = MP_OKAY;
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        ECGroup *group = NULL;
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        group = ECGroup_new(FLAG(irr));
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        if (group == NULL)
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                return NULL;
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        group->meth = GFMethod_consGFp(irr);
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        if (group->meth == NULL) {
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                res = MP_MEM;
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                goto CLEANUP;
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        }
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        MP_CHECKOK(mp_copy(curvea, &group->curvea));
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        MP_CHECKOK(mp_copy(curveb, &group->curveb));
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        MP_CHECKOK(mp_copy(genx, &group->genx));
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        MP_CHECKOK(mp_copy(geny, &group->geny));
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        MP_CHECKOK(mp_copy(order, &group->order));
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        group->cofactor = cofactor;
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        group->point_add = &ec_GFp_pt_add_aff;
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        group->point_sub = &ec_GFp_pt_sub_aff;
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        group->point_dbl = &ec_GFp_pt_dbl_aff;
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        group->point_mul = &ec_GFp_pt_mul_jm_wNAF;
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        group->base_point_mul = NULL;
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        group->points_mul = &ec_GFp_pts_mul_jac;
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        group->validate_point = &ec_GFp_validate_point;
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  CLEANUP:
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        if (res != MP_OKAY) {
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                ECGroup_free(group);
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                return NULL;
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        }
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        return group;
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}
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   130
/* Construct a generic ECGroup for elliptic curves over prime fields with
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   131
 * field arithmetic implemented in Montgomery coordinates. */
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   132
ECGroup *
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   133
ECGroup_consGFp_mont(const mp_int *irr, const mp_int *curvea,
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   134
                                         const mp_int *curveb, const mp_int *genx,
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   135
                                         const mp_int *geny, const mp_int *order, int cofactor)
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{
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        mp_err res = MP_OKAY;
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   138
        ECGroup *group = NULL;
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   139
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   140
        group = ECGroup_new(FLAG(irr));
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   141
        if (group == NULL)
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   142
                return NULL;
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   143
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   144
        group->meth = GFMethod_consGFp_mont(irr);
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   145
        if (group->meth == NULL) {
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   146
                res = MP_MEM;
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   147
                goto CLEANUP;
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   148
        }
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   149
        MP_CHECKOK(group->meth->
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   150
                           field_enc(curvea, &group->curvea, group->meth));
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   151
        MP_CHECKOK(group->meth->
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   152
                           field_enc(curveb, &group->curveb, group->meth));
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   153
        MP_CHECKOK(group->meth->field_enc(genx, &group->genx, group->meth));
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   154
        MP_CHECKOK(group->meth->field_enc(geny, &group->geny, group->meth));
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   155
        MP_CHECKOK(mp_copy(order, &group->order));
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   156
        group->cofactor = cofactor;
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   157
        group->point_add = &ec_GFp_pt_add_aff;
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   158
        group->point_sub = &ec_GFp_pt_sub_aff;
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   159
        group->point_dbl = &ec_GFp_pt_dbl_aff;
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   160
        group->point_mul = &ec_GFp_pt_mul_jm_wNAF;
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   161
        group->base_point_mul = NULL;
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   162
        group->points_mul = &ec_GFp_pts_mul_jac;
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   163
        group->validate_point = &ec_GFp_validate_point;
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   164
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   165
  CLEANUP:
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   166
        if (res != MP_OKAY) {
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   167
                ECGroup_free(group);
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   168
                return NULL;
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   169
        }
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   170
        return group;
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   171
}
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   172
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   173
#ifdef NSS_ECC_MORE_THAN_SUITE_B
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   174
/* Construct a generic ECGroup for elliptic curves over binary polynomial
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   175
 * fields. */
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   176
ECGroup *
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   177
ECGroup_consGF2m(const mp_int *irr, const unsigned int irr_arr[5],
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   178
                                 const mp_int *curvea, const mp_int *curveb,
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   179
                                 const mp_int *genx, const mp_int *geny,
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   180
                                 const mp_int *order, int cofactor)
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   181
{
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   182
        mp_err res = MP_OKAY;
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   183
        ECGroup *group = NULL;
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   184
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   185
        group = ECGroup_new(FLAG(irr));
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   186
        if (group == NULL)
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   187
                return NULL;
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   188
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   189
        group->meth = GFMethod_consGF2m(irr, irr_arr);
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   190
        if (group->meth == NULL) {
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diff changeset
   191
                res = MP_MEM;
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diff changeset
   192
                goto CLEANUP;
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parents:
diff changeset
   193
        }
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   194
        MP_CHECKOK(mp_copy(curvea, &group->curvea));
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   195
        MP_CHECKOK(mp_copy(curveb, &group->curveb));
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   196
        MP_CHECKOK(mp_copy(genx, &group->genx));
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   197
        MP_CHECKOK(mp_copy(geny, &group->geny));
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   198
        MP_CHECKOK(mp_copy(order, &group->order));
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   199
        group->cofactor = cofactor;
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   200
        group->point_add = &ec_GF2m_pt_add_aff;
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diff changeset
   201
        group->point_sub = &ec_GF2m_pt_sub_aff;
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diff changeset
   202
        group->point_dbl = &ec_GF2m_pt_dbl_aff;
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diff changeset
   203
        group->point_mul = &ec_GF2m_pt_mul_mont;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff changeset
   204
        group->base_point_mul = NULL;
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diff changeset
   205
        group->points_mul = &ec_pts_mul_basic;
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parents:
diff changeset
   206
        group->validate_point = &ec_GF2m_validate_point;
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parents:
diff changeset
   207
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diff changeset
   208
  CLEANUP:
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diff changeset
   209
        if (res != MP_OKAY) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff changeset
   210
                ECGroup_free(group);
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diff changeset
   211
                return NULL;
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parents:
diff changeset
   212
        }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff changeset
   213
        return group;
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parents:
diff changeset
   214
}
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   215
#endif
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff changeset
   216
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diff changeset
   217
/* Construct ECGroup from hex parameters and name, if any. Called by
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diff changeset
   218
 * ECGroup_fromHex and ECGroup_fromName. */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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parents:
diff changeset
   219
ECGroup *
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diff changeset
   220
ecgroup_fromNameAndHex(const ECCurveName name,
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parents:
diff changeset
   221
                                   const ECCurveParams * params, int kmflag)
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diff changeset
   222
{
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diff changeset
   223
        mp_int irr, curvea, curveb, genx, geny, order;
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diff changeset
   224
        int bits;
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   225
        ECGroup *group = NULL;
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diff changeset
   226
        mp_err res = MP_OKAY;
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diff changeset
   227
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diff changeset
   228
        /* initialize values */
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diff changeset
   229
        MP_DIGITS(&irr) = 0;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff changeset
   230
        MP_DIGITS(&curvea) = 0;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff changeset
   231
        MP_DIGITS(&curveb) = 0;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff changeset
   232
        MP_DIGITS(&genx) = 0;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff changeset
   233
        MP_DIGITS(&geny) = 0;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   234
        MP_DIGITS(&order) = 0;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   235
        MP_CHECKOK(mp_init(&irr, kmflag));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   236
        MP_CHECKOK(mp_init(&curvea, kmflag));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff changeset
   237
        MP_CHECKOK(mp_init(&curveb, kmflag));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   238
        MP_CHECKOK(mp_init(&genx, kmflag));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   239
        MP_CHECKOK(mp_init(&geny, kmflag));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   240
        MP_CHECKOK(mp_init(&order, kmflag));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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parents:
diff changeset
   241
        MP_CHECKOK(mp_read_radix(&irr, params->irr, 16));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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parents:
diff changeset
   242
        MP_CHECKOK(mp_read_radix(&curvea, params->curvea, 16));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   243
        MP_CHECKOK(mp_read_radix(&curveb, params->curveb, 16));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   244
        MP_CHECKOK(mp_read_radix(&genx, params->genx, 16));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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parents:
diff changeset
   245
        MP_CHECKOK(mp_read_radix(&geny, params->geny, 16));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   246
        MP_CHECKOK(mp_read_radix(&order, params->order, 16));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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parents:
diff changeset
   247
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   248
        /* determine number of bits */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff changeset
   249
        bits = mpl_significant_bits(&irr) - 1;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff changeset
   250
        if (bits < MP_OKAY) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   251
                res = bits;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   252
                goto CLEANUP;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   253
        }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   254
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   255
        /* determine which optimizations (if any) to use */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   256
        if (params->field == ECField_GFp) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   257
#ifdef NSS_ECC_MORE_THAN_SUITE_B
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   258
            switch (name) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   259
#ifdef ECL_USE_FP
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   260
                case ECCurve_SECG_PRIME_160R1:
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   261
                        group =
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   262
                                ECGroup_consGFp(&irr, &curvea, &curveb, &genx, &geny,
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   263
                                                                &order, params->cofactor);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   264
                        if (group == NULL) { res = MP_UNDEF; goto CLEANUP; }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   265
                        MP_CHECKOK(ec_group_set_secp160r1_fp(group));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   266
                        break;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   267
#endif
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   268
                case ECCurve_SECG_PRIME_192R1:
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   269
#ifdef ECL_USE_FP
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   270
                        group =
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   271
                                ECGroup_consGFp(&irr, &curvea, &curveb, &genx, &geny,
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   272
                                                                &order, params->cofactor);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   273
                        if (group == NULL) { res = MP_UNDEF; goto CLEANUP; }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   274
                        MP_CHECKOK(ec_group_set_nistp192_fp(group));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   275
#else
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   276
                        group =
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   277
                                ECGroup_consGFp(&irr, &curvea, &curveb, &genx, &geny,
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   278
                                                                &order, params->cofactor);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   279
                        if (group == NULL) { res = MP_UNDEF; goto CLEANUP; }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   280
                        MP_CHECKOK(ec_group_set_gfp192(group, name));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   281
#endif
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   282
                        break;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   283
                case ECCurve_SECG_PRIME_224R1:
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   284
#ifdef ECL_USE_FP
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   285
                        group =
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   286
                                ECGroup_consGFp(&irr, &curvea, &curveb, &genx, &geny,
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   287
                                                                &order, params->cofactor);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   288
                        if (group == NULL) { res = MP_UNDEF; goto CLEANUP; }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   289
                        MP_CHECKOK(ec_group_set_nistp224_fp(group));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   290
#else
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   291
                        group =
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   292
                                ECGroup_consGFp(&irr, &curvea, &curveb, &genx, &geny,
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   293
                                                                &order, params->cofactor);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   294
                        if (group == NULL) { res = MP_UNDEF; goto CLEANUP; }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   295
                        MP_CHECKOK(ec_group_set_gfp224(group, name));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   296
#endif
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   297
                        break;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   298
                case ECCurve_SECG_PRIME_256R1:
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   299
                        group =
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   300
                                ECGroup_consGFp(&irr, &curvea, &curveb, &genx, &geny,
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   301
                                                                &order, params->cofactor);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   302
                        if (group == NULL) { res = MP_UNDEF; goto CLEANUP; }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   303
                        MP_CHECKOK(ec_group_set_gfp256(group, name));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   304
                        break;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   305
                case ECCurve_SECG_PRIME_521R1:
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   306
                        group =
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   307
                                ECGroup_consGFp(&irr, &curvea, &curveb, &genx, &geny,
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   308
                                                                &order, params->cofactor);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   309
                        if (group == NULL) { res = MP_UNDEF; goto CLEANUP; }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   310
                        MP_CHECKOK(ec_group_set_gfp521(group, name));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   311
                        break;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   312
                default:
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   313
                        /* use generic arithmetic */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   314
#endif
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   315
                        group =
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   316
                                ECGroup_consGFp_mont(&irr, &curvea, &curveb, &genx, &geny,
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   317
                                                                         &order, params->cofactor);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   318
                        if (group == NULL) { res = MP_UNDEF; goto CLEANUP; }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   319
#ifdef NSS_ECC_MORE_THAN_SUITE_B
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   320
                }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   321
        } else if (params->field == ECField_GF2m) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   322
                group = ECGroup_consGF2m(&irr, NULL, &curvea, &curveb, &genx, &geny, &order, params->cofactor);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   323
                if (group == NULL) { res = MP_UNDEF; goto CLEANUP; }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   324
                if ((name == ECCurve_NIST_K163) ||
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   325
                    (name == ECCurve_NIST_B163) ||
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   326
                    (name == ECCurve_SECG_CHAR2_163R1)) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   327
                        MP_CHECKOK(ec_group_set_gf2m163(group, name));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   328
                } else if ((name == ECCurve_SECG_CHAR2_193R1) ||
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   329
                           (name == ECCurve_SECG_CHAR2_193R2)) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   330
                        MP_CHECKOK(ec_group_set_gf2m193(group, name));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   331
                } else if ((name == ECCurve_NIST_K233) ||
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   332
                           (name == ECCurve_NIST_B233)) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   333
                        MP_CHECKOK(ec_group_set_gf2m233(group, name));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   334
                }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   335
#endif
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   336
        } else {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   337
                res = MP_UNDEF;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   338
                goto CLEANUP;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   339
        }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   340
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   341
        /* set name, if any */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   342
        if ((group != NULL) && (params->text != NULL)) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   343
#ifdef _KERNEL
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   344
                int n = strlen(params->text) + 1;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   345
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   346
                group->text = kmem_alloc(n, kmflag);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   347
                if (group->text == NULL) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   348
                        res = MP_MEM;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   349
                        goto CLEANUP;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   350
                }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   351
                bcopy(params->text, group->text, n);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   352
                group->text_len = n;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   353
#else
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   354
                group->text = strdup(params->text);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   355
                if (group->text == NULL) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   356
                        res = MP_MEM;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   357
                }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   358
#endif
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   359
        }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   360
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   361
  CLEANUP:
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   362
        mp_clear(&irr);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   363
        mp_clear(&curvea);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   364
        mp_clear(&curveb);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   365
        mp_clear(&genx);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   366
        mp_clear(&geny);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   367
        mp_clear(&order);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   368
        if (res != MP_OKAY) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   369
                ECGroup_free(group);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   370
                return NULL;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   371
        }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   372
        return group;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   373
}
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   374
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   375
/* Construct ECGroup from hexadecimal representations of parameters. */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   376
ECGroup *
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   377
ECGroup_fromHex(const ECCurveParams * params, int kmflag)
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   378
{
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   379
        return ecgroup_fromNameAndHex(ECCurve_noName, params, kmflag);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   380
}
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   381
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   382
/* Construct ECGroup from named parameters. */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   383
ECGroup *
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   384
ECGroup_fromName(const ECCurveName name, int kmflag)
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   385
{
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   386
        ECGroup *group = NULL;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   387
        ECCurveParams *params = NULL;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   388
        mp_err res = MP_OKAY;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   389
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   390
        params = EC_GetNamedCurveParams(name, kmflag);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   391
        if (params == NULL) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   392
                res = MP_UNDEF;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   393
                goto CLEANUP;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   394
        }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   395
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   396
        /* construct actual group */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   397
        group = ecgroup_fromNameAndHex(name, params, kmflag);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   398
        if (group == NULL) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   399
                res = MP_UNDEF;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   400
                goto CLEANUP;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   401
        }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   402
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   403
  CLEANUP:
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   404
        EC_FreeCurveParams(params);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   405
        if (res != MP_OKAY) {
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   406
                ECGroup_free(group);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   407
                return NULL;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   408
        }
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   409
        return group;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   410
}
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   411
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   412
/* Validates an EC public key as described in Section 5.2.2 of X9.62. */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   413
mp_err ECPoint_validate(const ECGroup *group, const mp_int *px, const
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   414
                                        mp_int *py)
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   415
{
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   416
    /* 1: Verify that publicValue is not the point at infinity */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   417
    /* 2: Verify that the coordinates of publicValue are elements
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   418
     *    of the field.
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   419
     */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   420
    /* 3: Verify that publicValue is on the curve. */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   421
    /* 4: Verify that the order of the curve times the publicValue
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   422
     *    is the point at infinity.
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   423
     */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   424
        return group->validate_point(px, py, group);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   425
}
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   426
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   427
/* Free the memory allocated (if any) to an ECGroup object. */
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   428
void
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   429
ECGroup_free(ECGroup *group)
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   430
{
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   431
        if (group == NULL)
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   432
                return;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   433
        GFMethod_free(group->meth);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   434
        if (group->constructed == MP_NO)
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   435
                return;
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   436
        mp_clear(&group->curvea);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   437
        mp_clear(&group->curveb);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   438
        mp_clear(&group->genx);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   439
        mp_clear(&group->geny);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   440
        mp_clear(&group->order);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   441
        if (group->text != NULL)
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   442
#ifdef _KERNEL
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   443
                kmem_free(group->text, group->text_len);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   444
#else
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   445
                free(group->text);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   446
#endif
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   447
        if (group->extra_free != NULL)
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   448
                group->extra_free(group);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   449
#ifdef _KERNEL
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   450
        kmem_free(group, sizeof (ECGroup));
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   451
#else
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   452
        free(group);
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   453
#endif
8e0f58b1c072 6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff changeset
   454
}