vx32

Local 9vx git repository for patches.
git clone git://r-36.net/vx32
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desmodes.c (647B)

      1 #include "os.h"
      2 #include "libsec.h"
      3 
      4 /*
      5  *  these routines use the 64bit format for
      6  *  DES keys.
      7  */
      8 
      9 void
     10 setupDESstate(DESstate *s, uchar key[8], uchar *ivec)
     11 {
     12 	memset(s, 0, sizeof(*s));
     13 	memmove(s->key, key, sizeof(s->key));
     14 	des_key_setup(key, s->expanded);
     15 	if(ivec)
     16 		memmove(s->ivec, ivec, 8);
     17 	s->setup = 0xdeadbeef;
     18 }
     19 
     20 void
     21 setupDES3state(DES3state *s, uchar key[3][8], uchar *ivec)
     22 {
     23 	memset(s, 0, sizeof(*s));
     24 	memmove(s->key, key, sizeof(s->key));
     25 	des_key_setup(key[0], s->expanded[0]);
     26 	des_key_setup(key[1], s->expanded[1]);
     27 	des_key_setup(key[2], s->expanded[2]);
     28 	if(ivec)
     29 		memmove(s->ivec, ivec, 8);
     30 	s->setup = 0xdeadbeef;
     31 }