/* $OpenBSD: skipjack.h,v 1.4 2006/03/23 15:32:28 mickey Exp $ */ /* * Further optimized test implementation of SKIPJACK algorithm * Mark Tillotson <markt@chaos.org.uk>, 25 June 98 * Optimizations suit RISC (lots of registers) machine best. * * based on unoptimized implementation of * Panu Rissanen <bande@lut.fi> 960624 * * SKIPJACK and KEA Algorithm Specifications * Version 2.0 * 29 May 1998 */ extern void skipjack_forwards(u_int8_t *plain, u_int8_t *cipher, u_int8_t **key); extern void skipjack_backwards(u_int8_t *cipher, u_int8_t *plain, u_int8_t **key); extern void subkey_table_gen(u_int8_t *key, u_int8_t **key_tables);