/* * Copyright (c) 2012-2020 MIRACL UK Ltd. * * This file is part of MIRACL Core * (see https://github.com/miracl/core). * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef CONFIG_CURVE_BN254CX_H #define CONFIG_CURVE_BN254CX_H #include"core.h" #include"config_field_BN254CX.h" // ECP stuff #define CURVETYPE_BN254CX WEIERSTRASS #define CURVE_A_BN254CX 0 #define PAIRING_FRIENDLY_BN254CX BN_CURVE #define CURVE_SECURITY_BN254CX 128 #define HTC_ISO_BN254CX 0 // Permit alternate compression method if 3 spare top bits in field representation // Must be set manually // #define ALLOW_ALT_COMPRESS_BN254CX #if PAIRING_FRIENDLY_BN254CX != NOT_PF #define HTC_ISO_G2_BN254CX 0 #define USE_GLV_BN254CX /**< Note this method is patented (GLV), so maybe you want to comment this out */ #define USE_GS_G2_BN254CX /**< Well we didn't patent it :) But may be covered by GLV patent :( */ #define USE_GS_GT_BN254CX /**< Not patented, so probably safe to always use this */ #define POSITIVEX 0 #define NEGATIVEX 1 #define SEXTIC_TWIST_BN254CX D_TYPE #define SIGN_OF_X_BN254CX NEGATIVEX #define ATE_BITS_BN254CX 66 #define G2_TABLE_BN254CX 76 #endif #if CURVE_SECURITY_BN254CX == 128 #define AESKEY_BN254CX 16 /**< Symmetric Key size - 128 bits */ #define HASH_TYPE_BN254CX SHA256 /**< Hash type */ #endif #if CURVE_SECURITY_BN254CX == 192 #define AESKEY_BN254CX 24 /**< Symmetric Key size - 192 bits */ #define HASH_TYPE_BN254CX SHA384 /**< Hash type */ #endif #if CURVE_SECURITY_BN254CX == 256 #define AESKEY_BN254CX 32 /**< Symmetric Key size - 256 bits */ #define HASH_TYPE_BN254CX SHA512 /**< Hash type */ #endif namespace BN254CX_BIG = B256_56; namespace BN254CX_FP = BN254CX; #endif