1 /******************************************************************************* 2 * Copyright 2017-2018 Intel Corporation 3 * All Rights Reserved. 4 * 5 * If this software was obtained under the Intel Simplified Software License, 6 * the following terms apply: 7 * 8 * The source code, information and material ("Material") contained herein is 9 * owned by Intel Corporation or its suppliers or licensors, and title to such 10 * Material remains with Intel Corporation or its suppliers or licensors. The 11 * Material contains proprietary information of Intel or its suppliers and 12 * licensors. The Material is protected by worldwide copyright laws and treaty 13 * provisions. No part of the Material may be used, copied, reproduced, 14 * modified, published, uploaded, posted, transmitted, distributed or disclosed 15 * in any way without Intel's prior express written permission. No license under 16 * any patent, copyright or other intellectual property rights in the Material 17 * is granted to or conferred upon you, either expressly, by implication, 18 * inducement, estoppel or otherwise. Any license under such intellectual 19 * property rights must be express and approved by Intel in writing. 20 * 21 * Unless otherwise agreed by Intel in writing, you may not remove or alter this 22 * notice or any other notice embedded in Materials by Intel or Intel's 23 * suppliers or licensors in any way. 24 * 25 * 26 * If this software was obtained under the Apache License, Version 2.0 (the 27 * "License"), the following terms apply: 28 * 29 * You may not use this file except in compliance with the License. You may 30 * obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 31 * 32 * 33 * Unless required by applicable law or agreed to in writing, software 34 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 35 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 36 * 37 * See the License for the specific language governing permissions and 38 * limitations under the License. 39 *******************************************************************************/ 40 41 #include "gsmodmethodstuff.h" 42 43 /* 44 methods 45 */ 46 47 static gsModMethod* gsModArith_C(void) 48 { 49 static gsModMethod m = { 50 gs_mont_encode, 51 gs_mont_decode, 52 gs_mont_mul, 53 gs_mont_sqr, 54 gs_mont_red, 55 gs_mont_add, 56 gs_mont_sub, 57 gs_mont_neg, 58 gs_mont_div2, 59 gs_mont_mul2, 60 gs_mont_mul3, 61 }; 62 return &m; 63 } 64 #if (_IPP32E>=_IPP32E_L9) 65 static gsModMethod* gsModArith_X(void) 66 { 67 static gsModMethod m = { 68 gs_mont_encodeX, 69 gs_mont_decodeX, 70 gs_mont_mulX, 71 gs_mont_sqrX, 72 gs_mont_redX, 73 gs_mont_add, 74 gs_mont_sub, 75 gs_mont_neg, 76 gs_mont_div2, 77 gs_mont_mul2, 78 gs_mont_mul3, 79 }; 80 return &m; 81 } 82 #endif 83 84 gsModMethod* gsModArith(void) 85 { 86 #if (_IPP32E>=_IPP32E_L9) 87 if(IsFeatureEnabled(ippCPUID_ADCOX)) 88 return gsModArith_X(); 89 else 90 #endif 91 return gsModArith_C(); 92 } 93