1 /* 2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. 3 * All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program; if not, write to the Free Software Foundation, Inc., 17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * 20 * File: Michael.h 21 * 22 * Purpose: Reference implementation for Michael 23 * written by Niels Ferguson 24 * 25 * Author: Kyle Hsu 26 * 27 * Date: Jan 2, 2003 28 * 29 */ 30 31 #ifndef __MICHAEL_H__ 32 #define __MICHAEL_H__ 33 34 /*--------------------- Export Definitions -------------------------*/ 35 36 /*--------------------- Export Types ------------------------------*/ 37 38 void MIC_vInit(DWORD dwK0, DWORD dwK1); 39 40 void MIC_vUnInit(void); 41 42 // Append bytes to the message to be MICed 43 void MIC_vAppend(PBYTE src, unsigned int nBytes); 44 45 // Get the MIC result. Destination should accept 8 bytes of result. 46 // This also resets the message to empty. 47 void MIC_vGetMIC(PDWORD pdwL, PDWORD pdwR); 48 49 /*--------------------- Export Macros ------------------------------*/ 50 51 // Rotation functions on 32 bit values 52 #define ROL32(A, n) \ 53 (((A) << (n)) | (((A)>>(32-(n))) & ((1UL << (n)) - 1))) 54 #define ROR32(A, n) ROL32((A), 32-(n)) 55 56 #endif /* __MICHAEL_H__ */ 57