ref: 01dc1e2c37938eea4226ac299dc518bfab6ef0c0
dir: /libsec/desmodes.c/
#include "os.h" #include <libsec.h> /* * these routines use the 64bit format for * DES keys. */ void setupDESstate(DESstate *s, uchar key[8], uchar *ivec) { memset(s, 0, sizeof(*s)); memmove(s->key, key, sizeof(s->key)); des_key_setup(key, s->expanded); if(ivec) memmove(s->ivec, ivec, 8); s->setup = 0xdeadbeef; } void setupDES3state(DES3state *s, uchar key[3][8], uchar *ivec) { memset(s, 0, sizeof(*s)); memmove(s->key, key, sizeof(s->key)); des_key_setup(key[0], s->expanded[0]); des_key_setup(key[1], s->expanded[1]); des_key_setup(key[2], s->expanded[2]); if(ivec) memmove(s->ivec, ivec, 8); s->setup = 0xdeadbeef; }