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 // SHA512 message digest 46 // 47 // Contents: 48 // cpSHA512MessageDigest() 49 // 50 */ 51 52 #include "owndefs.h" 53 #include "owncp.h" 54 #include "pcphash.h" 55 #include "pcphash_rmf.h" 56 #include "pcptool.h" 57 #include "pcpsha512stuff.h" 58 59 IppStatus cpSHA512MessageDigest(DigestSHA512 hash, const Ipp8u* pMsg, int msgLen, const DigestSHA512 IV) 60 { 61 /* test digest pointer */ 62 IPP_BAD_PTR1_RET(hash); 63 /* test message length */ 64 IPP_BADARG_RET((msgLen<0), ippStsLengthErr); 65 /* test message pointer */ 66 IPP_BADARG_RET((msgLen && !pMsg), ippStsNullPtrErr); 67 68 { 69 /* message length in the multiple MBS and the rest */ 70 int msgLenBlks = msgLen & (-MBS_SHA512); 71 int msgLenRest = msgLen - msgLenBlks; 72 73 /* init hash */ 74 hashInit(hash, IV); 75 76 /* process main part of the message */ 77 if(msgLenBlks) { 78 UpdateSHA512(hash, pMsg, msgLenBlks, sha512_cnt); 79 pMsg += msgLenBlks; 80 } 81 82 cpFinalizeSHA512(hash, pMsg, msgLenRest, msgLen, 0); 83 hash[0] = ENDIANNESS64(hash[0]); 84 hash[1] = ENDIANNESS64(hash[1]); 85 hash[2] = ENDIANNESS64(hash[2]); 86 hash[3] = ENDIANNESS64(hash[3]); 87 hash[4] = ENDIANNESS64(hash[4]); 88 hash[5] = ENDIANNESS64(hash[5]); 89 hash[6] = ENDIANNESS64(hash[6]); 90 hash[7] = ENDIANNESS64(hash[7]); 91 92 return ippStsNoErr; 93 } 94 } 95