diff options
Diffstat (limited to 'main/openssl/crypto/ec/ecp_mont.c')
m--------- | main/openssl | 0 | ||||
-rw-r--r-- | main/openssl/crypto/ec/ecp_mont.c | 323 |
2 files changed, 0 insertions, 323 deletions
diff --git a/main/openssl b/main/openssl new file mode 160000 +Subproject 4d377a9ce111930d8a8f06dc0e94a892a7f6c51 diff --git a/main/openssl/crypto/ec/ecp_mont.c b/main/openssl/crypto/ec/ecp_mont.c deleted file mode 100644 index 3c5ec196..00000000 --- a/main/openssl/crypto/ec/ecp_mont.c +++ /dev/null @@ -1,323 +0,0 @@ -/* crypto/ec/ecp_mont.c */ -/* - * Originally written by Bodo Moeller for the OpenSSL project. - */ -/* ==================================================================== - * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ -/* ==================================================================== - * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. - * Portions of this software developed by SUN MICROSYSTEMS, INC., - * and contributed to the OpenSSL project. - */ - -#include <openssl/err.h> - -#ifdef OPENSSL_FIPS -#include <openssl/fips.h> -#endif - -#include "ec_lcl.h" - - -const EC_METHOD *EC_GFp_mont_method(void) - { - static const EC_METHOD ret = { - EC_FLAGS_DEFAULT_OCT, - NID_X9_62_prime_field, - ec_GFp_mont_group_init, - ec_GFp_mont_group_finish, - ec_GFp_mont_group_clear_finish, - ec_GFp_mont_group_copy, - ec_GFp_mont_group_set_curve, - ec_GFp_simple_group_get_curve, - ec_GFp_simple_group_get_degree, - ec_GFp_simple_group_check_discriminant, - ec_GFp_simple_point_init, - ec_GFp_simple_point_finish, - ec_GFp_simple_point_clear_finish, - ec_GFp_simple_point_copy, - ec_GFp_simple_point_set_to_infinity, - ec_GFp_simple_set_Jprojective_coordinates_GFp, - ec_GFp_simple_get_Jprojective_coordinates_GFp, - ec_GFp_simple_point_set_affine_coordinates, - ec_GFp_simple_point_get_affine_coordinates, - 0,0,0, - ec_GFp_simple_add, - ec_GFp_simple_dbl, - ec_GFp_simple_invert, - ec_GFp_simple_is_at_infinity, - ec_GFp_simple_is_on_curve, - ec_GFp_simple_cmp, - ec_GFp_simple_make_affine, - ec_GFp_simple_points_make_affine, - 0 /* mul */, - 0 /* precompute_mult */, - 0 /* have_precompute_mult */, - ec_GFp_mont_field_mul, - ec_GFp_mont_field_sqr, - 0 /* field_div */, - ec_GFp_mont_field_encode, - ec_GFp_mont_field_decode, - ec_GFp_mont_field_set_to_one }; - -#ifdef OPENSSL_FIPS - if (FIPS_mode()) - return fips_ec_gfp_mont_method(); -#endif - - return &ret; - } - - -int ec_GFp_mont_group_init(EC_GROUP *group) - { - int ok; - - ok = ec_GFp_simple_group_init(group); - group->field_data1 = NULL; - group->field_data2 = NULL; - return ok; - } - - -void ec_GFp_mont_group_finish(EC_GROUP *group) - { - if (group->field_data1 != NULL) - { - BN_MONT_CTX_free(group->field_data1); - group->field_data1 = NULL; - } - if (group->field_data2 != NULL) - { - BN_free(group->field_data2); - group->field_data2 = NULL; - } - ec_GFp_simple_group_finish(group); - } - - -void ec_GFp_mont_group_clear_finish(EC_GROUP *group) - { - if (group->field_data1 != NULL) - { - BN_MONT_CTX_free(group->field_data1); - group->field_data1 = NULL; - } - if (group->field_data2 != NULL) - { - BN_clear_free(group->field_data2); - group->field_data2 = NULL; - } - ec_GFp_simple_group_clear_finish(group); - } - - -int ec_GFp_mont_group_copy(EC_GROUP *dest, const EC_GROUP *src) - { - if (dest->field_data1 != NULL) - { - BN_MONT_CTX_free(dest->field_data1); - dest->field_data1 = NULL; - } - if (dest->field_data2 != NULL) - { - BN_clear_free(dest->field_data2); - dest->field_data2 = NULL; - } - - if (!ec_GFp_simple_group_copy(dest, src)) return 0; - - if (src->field_data1 != NULL) - { - dest->field_data1 = BN_MONT_CTX_new(); - if (dest->field_data1 == NULL) return 0; - if (!BN_MONT_CTX_copy(dest->field_data1, src->field_data1)) goto err; - } - if (src->field_data2 != NULL) - { - dest->field_data2 = BN_dup(src->field_data2); - if (dest->field_data2 == NULL) goto err; - } - - return 1; - - err: - if (dest->field_data1 != NULL) - { - BN_MONT_CTX_free(dest->field_data1); - dest->field_data1 = NULL; - } - return 0; - } - - -int ec_GFp_mont_group_set_curve(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) - { - BN_CTX *new_ctx = NULL; - BN_MONT_CTX *mont = NULL; - BIGNUM *one = NULL; - int ret = 0; - - if (group->field_data1 != NULL) - { - BN_MONT_CTX_free(group->field_data1); - group->field_data1 = NULL; - } - if (group->field_data2 != NULL) - { - BN_free(group->field_data2); - group->field_data2 = NULL; - } - - if (ctx == NULL) - { - ctx = new_ctx = BN_CTX_new(); - if (ctx == NULL) - return 0; - } - - mont = BN_MONT_CTX_new(); - if (mont == NULL) goto err; - if (!BN_MONT_CTX_set(mont, p, ctx)) - { - ECerr(EC_F_EC_GFP_MONT_GROUP_SET_CURVE, ERR_R_BN_LIB); - goto err; - } - one = BN_new(); - if (one == NULL) goto err; - if (!BN_to_montgomery(one, BN_value_one(), mont, ctx)) goto err; - - group->field_data1 = mont; - mont = NULL; - group->field_data2 = one; - one = NULL; - - ret = ec_GFp_simple_group_set_curve(group, p, a, b, ctx); - - if (!ret) - { - BN_MONT_CTX_free(group->field_data1); - group->field_data1 = NULL; - BN_free(group->field_data2); - group->field_data2 = NULL; - } - - err: - if (new_ctx != NULL) - BN_CTX_free(new_ctx); - if (mont != NULL) - BN_MONT_CTX_free(mont); - return ret; - } - - -int ec_GFp_mont_field_mul(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) - { - if (group->field_data1 == NULL) - { - ECerr(EC_F_EC_GFP_MONT_FIELD_MUL, EC_R_NOT_INITIALIZED); - return 0; - } - - return BN_mod_mul_montgomery(r, a, b, group->field_data1, ctx); - } - - -int ec_GFp_mont_field_sqr(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, BN_CTX *ctx) - { - if (group->field_data1 == NULL) - { - ECerr(EC_F_EC_GFP_MONT_FIELD_SQR, EC_R_NOT_INITIALIZED); - return 0; - } - - return BN_mod_mul_montgomery(r, a, a, group->field_data1, ctx); - } - - -int ec_GFp_mont_field_encode(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, BN_CTX *ctx) - { - if (group->field_data1 == NULL) - { - ECerr(EC_F_EC_GFP_MONT_FIELD_ENCODE, EC_R_NOT_INITIALIZED); - return 0; - } - - return BN_to_montgomery(r, a, (BN_MONT_CTX *)group->field_data1, ctx); - } - - -int ec_GFp_mont_field_decode(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, BN_CTX *ctx) - { - if (group->field_data1 == NULL) - { - ECerr(EC_F_EC_GFP_MONT_FIELD_DECODE, EC_R_NOT_INITIALIZED); - return 0; - } - - return BN_from_montgomery(r, a, group->field_data1, ctx); - } - - -int ec_GFp_mont_field_set_to_one(const EC_GROUP *group, BIGNUM *r, BN_CTX *ctx) - { - if (group->field_data2 == NULL) - { - ECerr(EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE, EC_R_NOT_INITIALIZED); - return 0; - } - - if (!BN_copy(r, group->field_data2)) return 0; - return 1; - } |