1 /*	$OpenBSD: skipjack.h,v 1.3 2002/02/16 21:27:17 millert Exp $	*/
2 
3 /*
4  * Further optimized test implementation of SKIPJACK algorithm
5  * Mark Tillotson <markt@chaos.org.uk>, 25 June 98
6  * Optimizations suit RISC (lots of registers) machine best.
7  *
8  * based on unoptimized implementation of
9  * Panu Rissanen <bande@lut.fi> 960624
10  *
11  * SKIPJACK and KEA Algorithm Specifications
12  * Version 2.0
13  * 29 May 1998
14 */
15 
16 extern void skipjack_forwards(u_int8_t *plain, u_int8_t *cipher, u_int8_t **key);
17 extern void skipjack_backwards(u_int8_t *cipher, u_int8_t *plain, u_int8_t **key);
18 extern void subkey_table_gen(u_int8_t *key, u_int8_t **key_tables);
19