1 /*******************************************************************************
2 * Copyright 2002-2018 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 /*
42 //
43 // Purpose:
44 // Cryptography Primitive.
45 // Digesting message according to SHA1
46 //
47 // Contents:
48 // SHA1 stuff
49 //
50 */
51
52 #include "owndefs.h"
53 #include "owncp.h"
54 #include "pcphash.h"
55 #include "pcphash_rmf.h"
56
57 #if !defined(_CP_HASH_SHA1)
58 #define _CP_HASH_SHA1
59
60 /* SHA-1 constants */
61 static const Ipp32u sha1_iv[] = {
62 0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0};
63
64 static __ALIGN16 const Ipp32u sha1_cnt[] = {
65 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xCA62C1D6
66 };
67
sha1_hashInit(void * pHash)68 static void sha1_hashInit(void* pHash)
69 {
70 /* setup initial digest */
71 ((Ipp32u*)pHash)[0] = sha1_iv[0];
72 ((Ipp32u*)pHash)[1] = sha1_iv[1];
73 ((Ipp32u*)pHash)[2] = sha1_iv[2];
74 ((Ipp32u*)pHash)[3] = sha1_iv[3];
75 ((Ipp32u*)pHash)[4] = sha1_iv[4];
76 }
77
sha1_hashUpdate(void * pHash,const Ipp8u * pMsg,int msgLen)78 static void sha1_hashUpdate(void* pHash, const Ipp8u* pMsg, int msgLen)
79 {
80 UpdateSHA1(pHash, pMsg, msgLen, sha1_cnt);
81 }
82
83 #if (_SHA_NI_ENABLING_==_FEATURE_TICKTOCK_ || _SHA_NI_ENABLING_==_FEATURE_ON_)
sha1_ni_hashUpdate(void * pHash,const Ipp8u * pMsg,int msgLen)84 static void sha1_ni_hashUpdate(void* pHash, const Ipp8u* pMsg, int msgLen)
85 {
86 UpdateSHA1ni(pHash, pMsg, msgLen, sha1_cnt);
87 }
88 #endif
89
sha1_hashOctString(Ipp8u * pMD,void * pHashVal)90 static void sha1_hashOctString(Ipp8u* pMD, void* pHashVal)
91 {
92 /* convert hash into big endian */
93 ((Ipp32u*)pMD)[0] = ENDIANNESS32(((Ipp32u*)pHashVal)[0]);
94 ((Ipp32u*)pMD)[1] = ENDIANNESS32(((Ipp32u*)pHashVal)[1]);
95 ((Ipp32u*)pMD)[2] = ENDIANNESS32(((Ipp32u*)pHashVal)[2]);
96 ((Ipp32u*)pMD)[3] = ENDIANNESS32(((Ipp32u*)pHashVal)[3]);
97 ((Ipp32u*)pMD)[4] = ENDIANNESS32(((Ipp32u*)pHashVal)[4]);
98 }
99
sha1_msgRep(Ipp8u * pDst,Ipp64u lenLo,Ipp64u lenHi)100 static void sha1_msgRep(Ipp8u* pDst, Ipp64u lenLo, Ipp64u lenHi)
101 {
102 UNREFERENCED_PARAMETER(lenHi);
103 lenLo = ENDIANNESS64(lenLo<<3);
104 ((Ipp64u*)(pDst))[0] = lenLo;
105 }
106
107 #define cpFinalizeSHA1 OWNAPI(cpFinalizeSHA1)
108 void cpFinalizeSHA1(DigestSHA1 pHash, const Ipp8u* inpBuffer, int inpLen, Ipp64u processedMsgLen);
109
110 #endif /* #if !defined(_CP_HASH_SHA1) */