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      1 /*	$NetBSD: skipjack.h,v 1.3 2005/12/11 12:20:53 christos Exp $ */
      2 /*	$OpenBSD: skipjack.h,v 1.3 2002/03/14 01:26:51 millert Exp $	*/
      3 
      4 /*
      5  * Further optimized test implementation of SKIPJACK algorithm
      6  * Mark Tillotson <markt (at) chaos.org.uk>, 25 June 98
      7  * Optimizations suit RISC (lots of registers) machine best.
      8  *
      9  * based on unoptimized implementation of
     10  * Panu Rissanen <bande (at) lut.fi> 960624
     11  *
     12  * SKIPJACK and KEA Algorithm Specifications
     13  * Version 2.0
     14  * 29 May 1998
     15 */
     16 
     17 extern void skipjack_forwards(u_int8_t *plain, u_int8_t *cipher, u_int8_t **key);
     18 extern void skipjack_backwards(u_int8_t *cipher, u_int8_t *plain, u_int8_t **key);
     19 extern void subkey_table_gen(const u_int8_t *key, u_int8_t **key_tables);
     20