early-access version 2698
This commit is contained in:
102
externals/libressl/crypto/ec/ecp_smpl.c
vendored
102
externals/libressl/crypto/ec/ecp_smpl.c
vendored
@@ -1,4 +1,4 @@
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/* $OpenBSD: ecp_smpl.c,v 1.29 2018/11/15 05:53:31 tb Exp $ */
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/* $OpenBSD: ecp_smpl.c,v 1.34 2022/01/20 11:02:44 inoguchi Exp $ */
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/* Includes code written by Lenka Fibikova <fibikova@exp-math.uni-essen.de>
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* for the OpenSSL project.
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* Includes code written by Bodo Moeller for the OpenSSL project.
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@@ -80,21 +80,22 @@ EC_GFp_simple_method(void)
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.group_set_curve = ec_GFp_simple_group_set_curve,
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.group_get_curve = ec_GFp_simple_group_get_curve,
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.group_get_degree = ec_GFp_simple_group_get_degree,
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.group_order_bits = ec_group_simple_order_bits,
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.group_check_discriminant =
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ec_GFp_simple_group_check_discriminant,
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ec_GFp_simple_group_check_discriminant,
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.point_init = ec_GFp_simple_point_init,
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.point_finish = ec_GFp_simple_point_finish,
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.point_clear_finish = ec_GFp_simple_point_clear_finish,
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.point_copy = ec_GFp_simple_point_copy,
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.point_set_to_infinity = ec_GFp_simple_point_set_to_infinity,
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.point_set_Jprojective_coordinates_GFp =
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ec_GFp_simple_set_Jprojective_coordinates_GFp,
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.point_get_Jprojective_coordinates_GFp =
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ec_GFp_simple_get_Jprojective_coordinates_GFp,
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.point_set_Jprojective_coordinates =
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ec_GFp_simple_set_Jprojective_coordinates,
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.point_get_Jprojective_coordinates =
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ec_GFp_simple_get_Jprojective_coordinates,
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.point_set_affine_coordinates =
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ec_GFp_simple_point_set_affine_coordinates,
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ec_GFp_simple_point_set_affine_coordinates,
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.point_get_affine_coordinates =
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ec_GFp_simple_point_get_affine_coordinates,
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ec_GFp_simple_point_get_affine_coordinates,
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.add = ec_GFp_simple_add,
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.dbl = ec_GFp_simple_dbl,
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.invert = ec_GFp_simple_invert,
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@@ -129,7 +130,7 @@ EC_GFp_simple_method(void)
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*/
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int
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int
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ec_GFp_simple_group_init(EC_GROUP * group)
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{
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BN_init(&group->field);
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@@ -140,7 +141,7 @@ ec_GFp_simple_group_init(EC_GROUP * group)
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}
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void
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void
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ec_GFp_simple_group_finish(EC_GROUP * group)
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{
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BN_free(&group->field);
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@@ -149,7 +150,7 @@ ec_GFp_simple_group_finish(EC_GROUP * group)
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}
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void
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void
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ec_GFp_simple_group_clear_finish(EC_GROUP * group)
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{
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BN_clear_free(&group->field);
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@@ -158,7 +159,7 @@ ec_GFp_simple_group_clear_finish(EC_GROUP * group)
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}
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int
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int
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ec_GFp_simple_group_copy(EC_GROUP * dest, const EC_GROUP * src)
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{
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if (!BN_copy(&dest->field, &src->field))
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@@ -174,7 +175,7 @@ ec_GFp_simple_group_copy(EC_GROUP * dest, const EC_GROUP * src)
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}
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int
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int
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ec_GFp_simple_group_set_curve(EC_GROUP * group,
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const BIGNUM * p, const BIGNUM * a, const BIGNUM * b, BN_CTX * ctx)
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{
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@@ -231,7 +232,7 @@ ec_GFp_simple_group_set_curve(EC_GROUP * group,
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}
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int
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int
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ec_GFp_simple_group_get_curve(const EC_GROUP * group, BIGNUM * p, BIGNUM * a, BIGNUM * b, BN_CTX * ctx)
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{
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int ret = 0;
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@@ -275,14 +276,14 @@ ec_GFp_simple_group_get_curve(const EC_GROUP * group, BIGNUM * p, BIGNUM * a, BI
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}
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int
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int
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ec_GFp_simple_group_get_degree(const EC_GROUP * group)
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{
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return BN_num_bits(&group->field);
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}
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int
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int
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ec_GFp_simple_group_check_discriminant(const EC_GROUP * group, BN_CTX * ctx)
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{
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int ret = 0;
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@@ -358,7 +359,7 @@ ec_GFp_simple_group_check_discriminant(const EC_GROUP * group, BN_CTX * ctx)
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}
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int
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int
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ec_GFp_simple_point_init(EC_POINT * point)
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{
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BN_init(&point->X);
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@@ -370,7 +371,7 @@ ec_GFp_simple_point_init(EC_POINT * point)
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}
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void
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void
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ec_GFp_simple_point_finish(EC_POINT * point)
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{
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BN_free(&point->X);
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@@ -379,7 +380,7 @@ ec_GFp_simple_point_finish(EC_POINT * point)
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}
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void
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void
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ec_GFp_simple_point_clear_finish(EC_POINT * point)
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{
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BN_clear_free(&point->X);
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@@ -389,7 +390,7 @@ ec_GFp_simple_point_clear_finish(EC_POINT * point)
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}
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int
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int
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ec_GFp_simple_point_copy(EC_POINT * dest, const EC_POINT * src)
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{
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if (!BN_copy(&dest->X, &src->X))
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@@ -404,7 +405,7 @@ ec_GFp_simple_point_copy(EC_POINT * dest, const EC_POINT * src)
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}
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int
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int
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ec_GFp_simple_point_set_to_infinity(const EC_GROUP * group, EC_POINT * point)
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{
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point->Z_is_one = 0;
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@@ -413,9 +414,10 @@ ec_GFp_simple_point_set_to_infinity(const EC_GROUP * group, EC_POINT * point)
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}
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int
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ec_GFp_simple_set_Jprojective_coordinates_GFp(const EC_GROUP * group, EC_POINT * point,
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const BIGNUM * x, const BIGNUM * y, const BIGNUM * z, BN_CTX * ctx)
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int
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ec_GFp_simple_set_Jprojective_coordinates(const EC_GROUP *group,
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EC_POINT *point, const BIGNUM *x, const BIGNUM *y, const BIGNUM *z,
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BN_CTX *ctx)
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{
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BN_CTX *new_ctx = NULL;
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int ret = 0;
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@@ -465,10 +467,9 @@ ec_GFp_simple_set_Jprojective_coordinates_GFp(const EC_GROUP * group, EC_POINT *
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return ret;
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}
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int
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ec_GFp_simple_get_Jprojective_coordinates_GFp(const EC_GROUP * group, const EC_POINT * point,
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BIGNUM * x, BIGNUM * y, BIGNUM * z, BN_CTX * ctx)
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int
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ec_GFp_simple_get_Jprojective_coordinates(const EC_GROUP *group,
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const EC_POINT *point, BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *ctx)
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{
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BN_CTX *new_ctx = NULL;
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int ret = 0;
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@@ -513,8 +514,7 @@ ec_GFp_simple_get_Jprojective_coordinates_GFp(const EC_GROUP * group, const EC_P
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return ret;
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}
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int
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int
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ec_GFp_simple_point_set_affine_coordinates(const EC_GROUP * group, EC_POINT * point,
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const BIGNUM * x, const BIGNUM * y, BN_CTX * ctx)
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{
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@@ -523,11 +523,11 @@ ec_GFp_simple_point_set_affine_coordinates(const EC_GROUP * group, EC_POINT * po
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ECerror(ERR_R_PASSED_NULL_PARAMETER);
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return 0;
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}
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return EC_POINT_set_Jprojective_coordinates_GFp(group, point, x, y, BN_value_one(), ctx);
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return EC_POINT_set_Jprojective_coordinates(group, point, x, y,
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BN_value_one(), ctx);
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}
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int
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int
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ec_GFp_simple_point_get_affine_coordinates(const EC_GROUP * group, const EC_POINT * point,
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BIGNUM * x, BIGNUM * y, BN_CTX * ctx)
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{
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@@ -586,7 +586,7 @@ ec_GFp_simple_point_get_affine_coordinates(const EC_GROUP * group, const EC_POIN
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}
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}
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} else {
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if (!BN_mod_inverse_ct(Z_1, Z_, &group->field, ctx)) {
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if (BN_mod_inverse_ct(Z_1, Z_, &group->field, ctx) == NULL) {
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ECerror(ERR_R_BN_LIB);
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goto err;
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}
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@@ -634,7 +634,7 @@ ec_GFp_simple_point_get_affine_coordinates(const EC_GROUP * group, const EC_POIN
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return ret;
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}
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int
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int
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ec_GFp_simple_add(const EC_GROUP * group, EC_POINT * r, const EC_POINT * a, const EC_POINT * b, BN_CTX * ctx)
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{
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int (*field_mul) (const EC_GROUP *, BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
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@@ -823,7 +823,7 @@ ec_GFp_simple_add(const EC_GROUP * group, EC_POINT * r, const EC_POINT * a, cons
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}
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int
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int
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ec_GFp_simple_dbl(const EC_GROUP * group, EC_POINT * r, const EC_POINT * a, BN_CTX * ctx)
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{
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int (*field_mul) (const EC_GROUP *, BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
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@@ -965,7 +965,7 @@ ec_GFp_simple_dbl(const EC_GROUP * group, EC_POINT * r, const EC_POINT * a, BN_C
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}
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int
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int
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ec_GFp_simple_invert(const EC_GROUP * group, EC_POINT * point, BN_CTX * ctx)
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{
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if (EC_POINT_is_at_infinity(group, point) > 0 || BN_is_zero(&point->Y))
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@@ -976,14 +976,14 @@ ec_GFp_simple_invert(const EC_GROUP * group, EC_POINT * point, BN_CTX * ctx)
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}
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int
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int
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ec_GFp_simple_is_at_infinity(const EC_GROUP * group, const EC_POINT * point)
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{
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return BN_is_zero(&point->Z);
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}
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int
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int
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ec_GFp_simple_is_on_curve(const EC_GROUP * group, const EC_POINT * point, BN_CTX * ctx)
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{
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int (*field_mul) (const EC_GROUP *, BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *);
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@@ -1086,7 +1086,7 @@ ec_GFp_simple_is_on_curve(const EC_GROUP * group, const EC_POINT * point, BN_CTX
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}
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int
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int
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ec_GFp_simple_cmp(const EC_GROUP * group, const EC_POINT * a, const EC_POINT * b, BN_CTX * ctx)
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{
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/*
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@@ -1188,7 +1188,7 @@ ec_GFp_simple_cmp(const EC_GROUP * group, const EC_POINT * a, const EC_POINT * b
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}
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int
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int
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ec_GFp_simple_make_affine(const EC_GROUP * group, EC_POINT * point, BN_CTX * ctx)
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{
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BN_CTX *new_ctx = NULL;
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@@ -1209,9 +1209,9 @@ ec_GFp_simple_make_affine(const EC_GROUP * group, EC_POINT * point, BN_CTX * ctx
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if ((y = BN_CTX_get(ctx)) == NULL)
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goto err;
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if (!EC_POINT_get_affine_coordinates_GFp(group, point, x, y, ctx))
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if (!EC_POINT_get_affine_coordinates(group, point, x, y, ctx))
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goto err;
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if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx))
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if (!EC_POINT_set_affine_coordinates(group, point, x, y, ctx))
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goto err;
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if (!point->Z_is_one) {
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ECerror(ERR_R_INTERNAL_ERROR);
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@@ -1226,7 +1226,7 @@ ec_GFp_simple_make_affine(const EC_GROUP * group, EC_POINT * point, BN_CTX * ctx
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}
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int
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int
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ec_GFp_simple_points_make_affine(const EC_GROUP * group, size_t num, EC_POINT * points[], BN_CTX * ctx)
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{
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BN_CTX *new_ctx = NULL;
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@@ -1272,11 +1272,11 @@ ec_GFp_simple_points_make_affine(const EC_GROUP * group, size_t num, EC_POINT *
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/*
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* The array is used as a binary tree, exactly as in heapsort:
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*
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*
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* heap[1] heap[2] heap[3] heap[4] heap[5]
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* heap[6] heap[7] heap[8]heap[9] heap[10]heap[11]
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* heap[12]heap[13] heap[14] heap[15]
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*
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*
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* We put the Z's in the last line; then we set each other node to the
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* product of its two child-nodes (where empty or 0 entries are
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* treated as ones); then we invert heap[1]; then we invert each
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@@ -1316,7 +1316,7 @@ ec_GFp_simple_points_make_affine(const EC_GROUP * group, size_t num, EC_POINT *
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/* invert heap[1] */
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if (!BN_is_zero(heap[1])) {
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if (!BN_mod_inverse_ct(heap[1], heap[1], &group->field, ctx)) {
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if (BN_mod_inverse_ct(heap[1], heap[1], &group->field, ctx) == NULL) {
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ECerror(ERR_R_BN_LIB);
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goto err;
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}
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@@ -1401,13 +1401,13 @@ ec_GFp_simple_points_make_affine(const EC_GROUP * group, size_t num, EC_POINT *
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}
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int
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int
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ec_GFp_simple_field_mul(const EC_GROUP * group, BIGNUM * r, const BIGNUM * a, const BIGNUM * b, BN_CTX * ctx)
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{
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return BN_mod_mul(r, a, b, &group->field, ctx);
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}
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int
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int
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ec_GFp_simple_field_sqr(const EC_GROUP * group, BIGNUM * r, const BIGNUM * a, BN_CTX * ctx)
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{
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return BN_mod_sqr(r, a, &group->field, ctx);
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@@ -1417,7 +1417,7 @@ ec_GFp_simple_field_sqr(const EC_GROUP * group, BIGNUM * r, const BIGNUM * a, BN
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* Apply randomization of EC point projective coordinates:
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*
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* (X, Y, Z) = (lambda^2 * X, lambda^3 * Y, lambda * Z)
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*
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*
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* where lambda is in the interval [1, group->field).
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*/
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int
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@@ -1687,7 +1687,7 @@ ec_GFp_simple_mul_ct(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
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}
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/* one final cswap to move the right value into r */
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EC_POINT_CSWAP(pbit, r, s, group_top, Z_is_one);
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ret = 1;
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err:
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