--- libaitcrc/inc/defs.h	2012/07/22 21:46:23	1.6
+++ libaitcrc/inc/defs.h	2012/08/29 09:00:44	1.7
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: defs.h,v 1.6 2012/07/22 21:46:23 misho Exp $
+* $Id: defs.h,v 1.7 2012/08/29 09:00:44 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -59,6 +59,28 @@ SUCH DAMAGE.
 #define INIT_BERNSTEIN		0x1505
 #define INIT_FNV1		0x811c9dc5
 #define POLY_FNV1		0x1000193
+#define INIT_JENKINS32		0xDEADBEEF
+
+#define ROT32(x, k)		(((x) << (k)) | ((x) >> (32 - (k))))
+#define MIX32(a, b, c) \
+do { \
+	  a -= c;  a ^= ROT32(c, 4);  c += b; \
+	  b -= a;  b ^= ROT32(a, 6);  a += c; \
+	  c -= b;  c ^= ROT32(b, 8);  b += a; \
+	  a -= c;  a ^= ROT32(c, 16); c += b; \
+	  b -= a;  b ^= ROT32(a, 19); a += c; \
+	  c -= b;  c ^= ROT32(b, 4);  b += a; \
+} while (0)
+#define FINAL32(a, b, c) \
+do { \
+	  c ^= b; c -= ROT32(b, 14); \
+	  a ^= c; a -= ROT32(c, 11); \
+	  b ^= a; b -= ROT32(a, 25); \
+	  c ^= b; c -= ROT32(b, 16); \
+	  a ^= c; a -= ROT32(c, 4);  \
+	  b ^= a; b -= ROT32(a, 14); \
+	  c ^= b; c -= ROT32(b, 24); \
+} while (0)
 
 
 inline void crc_SetErr(int eno, char *estr, ...);