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
gsModArith_C(void)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)
gsModArith_X(void)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
gsModArith(void)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