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add support for elliptic curves over binary fields

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Submitted by: Duglas Stebila <douglas.stebila@sun.com>,
              Sheueling Chang <sheueling.chang@sun.com>

(CHANGES entries by Bodo Moeller)
This commit is contained in:
Bodo Möller
2002-08-02 13:42:24 +00:00
parent 714df32e33
commit 7793f30e09
17 changed files with 3283 additions and 147 deletions
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192
crypto/ec/ec_lib.c
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@@ -52,6 +52,11 @@
* Hudson (tjh@cryptsoft.com).
*
*/
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
* Binary polynomial ECC support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
#include <string.h>
@@ -243,6 +248,28 @@ int EC_GROUP_copy(EC_GROUP *dest, const EC_GROUP *src)
}
EC_GROUP *EC_GROUP_dup(const EC_GROUP *a)
{
EC_GROUP *t = NULL;
int ok = 0;
if (a == NULL) return NULL;
if ((t = EC_GROUP_new(a->meth)) == NULL) return(NULL);
if (!EC_GROUP_copy(t, a)) goto err;
ok = 1;
err:
if (!ok)
{
if (t) EC_GROUP_free(t);
return NULL;
}
else return t;
}
const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group)
{
return group->meth;
@@ -380,23 +407,56 @@ size_t EC_GROUP_get_seed_len(const EC_GROUP *group)
int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
{
if (group->meth->group_set_curve_GFp == 0)
if (group->meth->group_set_curve == 0)
{
ECerr(EC_F_EC_GROUP_SET_CURVE_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
return group->meth->group_set_curve_GFp(group, p, a, b, ctx);
return group->meth->group_set_curve(group, p, a, b, ctx);
}
int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
{
if (group->meth->group_get_curve_GFp == 0)
if (group->meth->group_get_curve == 0)
{
ECerr(EC_F_EC_GROUP_GET_CURVE_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
return group->meth->group_get_curve_GFp(group, p, a, b, ctx);
return group->meth->group_get_curve(group, p, a, b, ctx);
}
int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
{
if (group->meth->group_set_curve == 0)
{
ECerr(EC_F_EC_GROUP_SET_CURVE_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
return group->meth->group_set_curve(group, p, a, b, ctx);
}
int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
{
if (group->meth->group_get_curve == 0)
{
ECerr(EC_F_EC_GROUP_GET_CURVE_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
return group->meth->group_get_curve(group, p, a, b, ctx);
}
int EC_GROUP_get_degree(const EC_GROUP *group)
{
if (group->meth->group_get_degree == 0)
{
ECerr(EC_F_EC_GROUP_GET_DEGREE, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
return group->meth->group_get_degree(group);
}
@@ -551,6 +611,25 @@ int EC_POINT_copy(EC_POINT *dest, const EC_POINT *src)
}
EC_POINT *EC_POINT_dup(const EC_POINT *a, const EC_GROUP *group)
{
EC_POINT *t;
int r;
if (a == NULL) return NULL;
t = EC_POINT_new(group);
if (t == NULL) return(NULL);
r = EC_POINT_copy(t, a);
if (!r)
{
EC_POINT_free(t);
return NULL;
}
else return t;
}
const EC_METHOD *EC_POINT_method_of(const EC_POINT *point)
{
return point->meth;
@@ -576,7 +655,7 @@ int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point)
int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group, EC_POINT *point,
const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *ctx)
{
if (group->meth->point_set_Jprojective_coordinates_GFp == 0)
if (group->meth->point_set_Jprojective_coordinates == 0)
{
ECerr(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
@@ -586,14 +665,14 @@ int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group, EC_POINT *po
ECerr(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
return group->meth->point_set_Jprojective_coordinates_GFp(group, point, x, y, z, ctx);
return group->meth->point_set_Jprojective_coordinates(group, point, x, y, z, ctx);
}
int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group, const EC_POINT *point,
BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *ctx)
{
if (group->meth->point_get_Jprojective_coordinates_GFp == 0)
if (group->meth->point_get_Jprojective_coordinates == 0)
{
ECerr(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
@@ -603,14 +682,14 @@ int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group, const EC_POI
ECerr(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
return group->meth->point_get_Jprojective_coordinates_GFp(group, point, x, y, z, ctx);
return group->meth->point_get_Jprojective_coordinates(group, point, x, y, z, ctx);
}
int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *point,
const BIGNUM *x, const BIGNUM *y, BN_CTX *ctx)
{
if (group->meth->point_set_affine_coordinates_GFp == 0)
if (group->meth->point_set_affine_coordinates == 0)
{
ECerr(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
@@ -620,14 +699,14 @@ int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *point,
ECerr(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
return group->meth->point_set_affine_coordinates_GFp(group, point, x, y, ctx);
return group->meth->point_set_affine_coordinates(group, point, x, y, ctx);
}
int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, const EC_POINT *point,
BIGNUM *x, BIGNUM *y, BN_CTX *ctx)
{
if (group->meth->point_get_affine_coordinates_GFp == 0)
if (group->meth->point_get_affine_coordinates == 0)
{
ECerr(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
@@ -637,14 +716,14 @@ int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, const EC_POINT *p
ECerr(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
return group->meth->point_get_affine_coordinates_GFp(group, point, x, y, ctx);
return group->meth->point_get_affine_coordinates(group, point, x, y, ctx);
}
int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, EC_POINT *point,
const BIGNUM *x, int y_bit, BN_CTX *ctx)
{
if (group->meth->point_set_compressed_coordinates_GFp == 0)
if (group->meth->point_set_compressed_coordinates == 0)
{
ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
@@ -654,7 +733,92 @@ int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, EC_POINT *poi
ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
return group->meth->point_set_compressed_coordinates_GFp(group, point, x, y_bit, ctx);
return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx);
}
int EC_POINT_set_Jprojective_coordinates_GF2m(const EC_GROUP *group, EC_POINT *point,
const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *ctx)
{
if (group->meth->point_set_Jprojective_coordinates == 0)
{
ECerr(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
if (group->meth != point->meth)
{
ECerr(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GF2M, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
return group->meth->point_set_Jprojective_coordinates(group, point, x, y, z, ctx);
}
int EC_POINT_get_Jprojective_coordinates_GF2m(const EC_GROUP *group, const EC_POINT *point,
BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *ctx)
{
if (group->meth->point_get_Jprojective_coordinates == 0)
{
ECerr(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
if (group->meth != point->meth)
{
ECerr(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GF2M, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
return group->meth->point_get_Jprojective_coordinates(group, point, x, y, z, ctx);
}
int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *point,
const BIGNUM *x, const BIGNUM *y, BN_CTX *ctx)
{
if (group->meth->point_set_affine_coordinates == 0)
{
ECerr(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
if (group->meth != point->meth)
{
ECerr(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
return group->meth->point_set_affine_coordinates(group, point, x, y, ctx);
}
int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group, const EC_POINT *point,
BIGNUM *x, BIGNUM *y, BN_CTX *ctx)
{
if (group->meth->point_get_affine_coordinates == 0)
{
ECerr(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
if (group->meth != point->meth)
{
ECerr(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
return group->meth->point_get_affine_coordinates(group, point, x, y, ctx);
}
int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group, EC_POINT *point,
const BIGNUM *x, int y_bit, BN_CTX *ctx)
{
if (group->meth->point_set_compressed_coordinates == 0)
{
ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
if (group->meth != point->meth)
{
ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx);
}