/* * 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 __P((u_int8_t *plain, u_int8_t *cipher, u_int8_t **key)); extern void skipjack_backwards __P((u_int8_t *cipher, u_int8_t *plain, u_int8_t **key)); extern void subkey_table_gen __P((u_int8_t *key, u_int8_t **key_tables));