michael.h 1.8 KB

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  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. #ifndef __MICHAEL_H__
  31. #define __MICHAEL_H__
  32. /*--------------------- Export Definitions -------------------------*/
  33. /*--------------------- Export Types ------------------------------*/
  34. void MIC_vInit(unsigned long dwK0, unsigned long dwK1);
  35. void MIC_vUnInit(void);
  36. // Append bytes to the message to be MICed
  37. void MIC_vAppend(unsigned char *src, unsigned int nBytes);
  38. // Get the MIC result. Destination should accept 8 bytes of result.
  39. // This also resets the message to empty.
  40. void MIC_vGetMIC(unsigned long *pdwL, unsigned long *pdwR);
  41. /*--------------------- Export Macros ------------------------------*/
  42. // Rotation functions on 32 bit values
  43. #define ROL32( A, n ) \
  44. ( ((A) << (n)) | ( ((A)>>(32-(n))) & ( (1UL << (n)) - 1 ) ) )
  45. #define ROR32( A, n ) ROL32( (A), 32-(n) )
  46. #endif //__MICHAEL_H__