author | vinnie |
Mon, 30 May 2011 16:37:42 +0100 | |
changeset 9774 | 50a2b28ca54c |
parent 9035 | 1255eb81cc2f |
permissions | -rw-r--r-- |
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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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* |
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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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|
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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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|
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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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|
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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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|
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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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|
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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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102 |
|
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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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112 |
MP_CHECKOK(mp_copy(order, &group->order)); |
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113 |
group->cofactor = cofactor; |
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114 |
group->point_add = &ec_GFp_pt_add_aff; |
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115 |
group->point_sub = &ec_GFp_pt_sub_aff; |
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vinnie
parents:
diff
changeset
|
116 |
group->point_dbl = &ec_GFp_pt_dbl_aff; |
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6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
117 |
group->point_mul = &ec_GFp_pt_mul_jm_wNAF; |
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6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
118 |
group->base_point_mul = NULL; |
8e0f58b1c072
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vinnie
parents:
diff
changeset
|
119 |
group->points_mul = &ec_GFp_pts_mul_jac; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff
changeset
|
120 |
group->validate_point = &ec_GFp_validate_point; |
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diff
changeset
|
121 |
|
8e0f58b1c072
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parents:
diff
changeset
|
122 |
CLEANUP: |
8e0f58b1c072
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vinnie
parents:
diff
changeset
|
123 |
if (res != MP_OKAY) { |
8e0f58b1c072
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diff
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|
124 |
ECGroup_free(group); |
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6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
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diff
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|
125 |
return NULL; |
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vinnie
parents:
diff
changeset
|
126 |
} |
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diff
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|
127 |
return group; |
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vinnie
parents:
diff
changeset
|
128 |
} |
8e0f58b1c072
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parents:
diff
changeset
|
129 |
|
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diff
changeset
|
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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|
136 |
{ |
8e0f58b1c072
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changeset
|
137 |
mp_err res = MP_OKAY; |
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diff
changeset
|
138 |
ECGroup *group = NULL; |
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diff
changeset
|
139 |
|
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diff
changeset
|
140 |
group = ECGroup_new(FLAG(irr)); |
8e0f58b1c072
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parents:
diff
changeset
|
141 |
if (group == NULL) |
8e0f58b1c072
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diff
changeset
|
142 |
return NULL; |
8e0f58b1c072
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vinnie
parents:
diff
changeset
|
143 |
|
8e0f58b1c072
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diff
changeset
|
144 |
group->meth = GFMethod_consGFp_mont(irr); |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
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diff
changeset
|
145 |
if (group->meth == NULL) { |
8e0f58b1c072
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diff
changeset
|
146 |
res = MP_MEM; |
8e0f58b1c072
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parents:
diff
changeset
|
147 |
goto CLEANUP; |
8e0f58b1c072
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parents:
diff
changeset
|
148 |
} |
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diff
changeset
|
149 |
MP_CHECKOK(group->meth-> |
8e0f58b1c072
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diff
changeset
|
150 |
field_enc(curvea, &group->curvea, group->meth)); |
8e0f58b1c072
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diff
changeset
|
151 |
MP_CHECKOK(group->meth-> |
8e0f58b1c072
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diff
changeset
|
152 |
field_enc(curveb, &group->curveb, group->meth)); |
8e0f58b1c072
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diff
changeset
|
153 |
MP_CHECKOK(group->meth->field_enc(genx, &group->genx, group->meth)); |
8e0f58b1c072
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vinnie
parents:
diff
changeset
|
154 |
MP_CHECKOK(group->meth->field_enc(geny, &group->geny, group->meth)); |
8e0f58b1c072
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diff
changeset
|
155 |
MP_CHECKOK(mp_copy(order, &group->order)); |
8e0f58b1c072
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diff
changeset
|
156 |
group->cofactor = cofactor; |
8e0f58b1c072
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diff
changeset
|
157 |
group->point_add = &ec_GFp_pt_add_aff; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
158 |
group->point_sub = &ec_GFp_pt_sub_aff; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
159 |
group->point_dbl = &ec_GFp_pt_dbl_aff; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
160 |
group->point_mul = &ec_GFp_pt_mul_jm_wNAF; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
161 |
group->base_point_mul = NULL; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
162 |
group->points_mul = &ec_GFp_pts_mul_jac; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
163 |
group->validate_point = &ec_GFp_validate_point; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
164 |
|
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
165 |
CLEANUP: |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
166 |
if (res != MP_OKAY) { |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
167 |
ECGroup_free(group); |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
168 |
return NULL; |
8e0f58b1c072
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vinnie
parents:
diff
changeset
|
169 |
} |
8e0f58b1c072
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vinnie
parents:
diff
changeset
|
170 |
return group; |
8e0f58b1c072
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vinnie
parents:
diff
changeset
|
171 |
} |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
172 |
|
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
173 |
#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
|
174 |
/* Construct a generic ECGroup for elliptic curves over binary polynomial |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
175 |
* fields. */ |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
176 |
ECGroup * |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
177 |
ECGroup_consGF2m(const mp_int *irr, const unsigned int irr_arr[5], |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
178 |
const mp_int *curvea, const mp_int *curveb, |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
179 |
const mp_int *genx, const mp_int *geny, |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
180 |
const mp_int *order, int cofactor) |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
181 |
{ |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
182 |
mp_err res = MP_OKAY; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
183 |
ECGroup *group = NULL; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
184 |
|
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
185 |
group = ECGroup_new(FLAG(irr)); |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
186 |
if (group == NULL) |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
187 |
return NULL; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
188 |
|
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
189 |
group->meth = GFMethod_consGF2m(irr, irr_arr); |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
190 |
if (group->meth == NULL) { |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
191 |
res = MP_MEM; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
192 |
goto CLEANUP; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
193 |
} |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
194 |
MP_CHECKOK(mp_copy(curvea, &group->curvea)); |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
195 |
MP_CHECKOK(mp_copy(curveb, &group->curveb)); |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
196 |
MP_CHECKOK(mp_copy(genx, &group->genx)); |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
197 |
MP_CHECKOK(mp_copy(geny, &group->geny)); |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
198 |
MP_CHECKOK(mp_copy(order, &group->order)); |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
199 |
group->cofactor = cofactor; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
200 |
group->point_add = &ec_GF2m_pt_add_aff; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
201 |
group->point_sub = &ec_GF2m_pt_sub_aff; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
202 |
group->point_dbl = &ec_GF2m_pt_dbl_aff; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
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
vinnie
parents:
diff
changeset
|
204 |
group->base_point_mul = NULL; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
205 |
group->points_mul = &ec_pts_mul_basic; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
206 |
group->validate_point = &ec_GF2m_validate_point; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
207 |
|
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
208 |
CLEANUP: |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
209 |
if (res != MP_OKAY) { |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
210 |
ECGroup_free(group); |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
211 |
return NULL; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
212 |
} |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
213 |
return group; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
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
vinnie
parents:
diff
changeset
|
216 |
|
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
217 |
/* Construct ECGroup from hex parameters and name, if any. Called by |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
218 |
* ECGroup_fromHex and ECGroup_fromName. */ |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
219 |
ECGroup * |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
220 |
ecgroup_fromNameAndHex(const ECCurveName name, |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
221 |
const ECCurveParams * params, int kmflag) |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
222 |
{ |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
223 |
mp_int irr, curvea, curveb, genx, geny, order; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
224 |
int bits; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
225 |
ECGroup *group = NULL; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
226 |
mp_err res = MP_OKAY; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
227 |
|
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
228 |
/* initialize values */ |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
229 |
MP_DIGITS(&irr) = 0; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
230 |
MP_DIGITS(&curvea) = 0; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
231 |
MP_DIGITS(&curveb) = 0; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
|
232 |
MP_DIGITS(&genx) = 0; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
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
vinnie
parents:
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
vinnie
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
vinnie
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
vinnie
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
vinnie
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
vinnie
parents:
diff
changeset
|
249 |
bits = mpl_significant_bits(&irr) - 1; |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
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
|
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#endif |
8e0f58b1c072
6884175: CR cleanup for 6840752: Provide out-of-the-box support for ECC algorithms
vinnie
parents:
diff
changeset
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454 |
} |