#include <stdint.h>
+#include "hexdebug.h"
#include "serpent.h"
#include "serpentsboxes.h"
#endif /* !defined(SERPENT_BIGENDIAN) */
+#if 0
+
+#include <stdio.h>
+
+static void SERP_DEBUG(const char *str1,
+ const void *ary, int sz,
+ const char *str2)
+{
+ fprintf(stderr,"%s",str1);
+ hexdebug(stderr,ary,sz);
+ fprintf(stderr,"%s",str2);
+}
+
+#else
+
+#define SERP_DEBUG(str1,aryv,sz,str2) /*empty*/
+
+#endif
+
+
static uint32_t serpent_get_32bit(const uint8_t *basep,
int lenbytes, int offset)
{
uint32_t j;
uint32_t w[132],k[132];
+ SERP_DEBUG("SERPENT makekey ",keyMaterial,keyLen/8,"\n");
+
for(i=0; i<keyLen/32; i++)
w[i]=serpent_get_32bit(keyMaterial, keyLen/8, i*4);
if(keyLen<256)
register uint32_t x0, x1, x2, x3;
register uint32_t y0, y1, y2, y3;
+ SERP_DEBUG("SERPENT encrypt ",plaintext,16," ->");
+
x0=serpent_get_32bit(plaintext,16,+0);
x1=serpent_get_32bit(plaintext,16,+4);
x2=serpent_get_32bit(plaintext,16,+8);
serpent_put_32bit(ciphertext,16,+4, x1);
serpent_put_32bit(ciphertext,16,+8, x2);
serpent_put_32bit(ciphertext,16,12, x3);
+
+ SERP_DEBUG(" ",ciphertext,16,"\n");
}
void SERPENT_DECORATE(decrypt)(struct keyInstance *key,
register uint32_t x0, x1, x2, x3;
register uint32_t y0, y1, y2, y3;
+ SERP_DEBUG("SERPENT decrypt ",ciphertext,16," ->");
+
x0=serpent_get_32bit(ciphertext,16,+0);
x1=serpent_get_32bit(ciphertext,16,+4);
x2=serpent_get_32bit(ciphertext,16,+8);
serpent_put_32bit(plaintext,16,+4, x1);
serpent_put_32bit(plaintext,16,+8, x2);
serpent_put_32bit(plaintext,16,12, x3);
+
+ SERP_DEBUG(" ",plaintext,16,"\n");
}