--- Crypt-RC6-1.0/_rc6.c.orig	2002-03-16 22:54:10.000000000 +0000
+++ Crypt-RC6-1.0/_rc6.c	2004-05-09 00:14:37.000000000 +0000
@@ -5,6 +5,14 @@
 
 #include "platform.h"
 
+#include <endian.h>
+#if __BYTE_ORDER == __BIG_ENDIAN
+#  include <byteswap.h>
+#  define regswp(x) bswap_32(x)
+#else
+#  define regswp(x) x
+#endif
+
 /*
     function: rc6_generateKeySchedule
 
@@ -27,6 +35,8 @@
     /* Move the bytes of initKey into L, little-endian fashion. */
 
     memcpy(bPtr, initKey, keyLength);
+    for(i=0; i<8; i++)
+	    L[i] = regswp(L[i]);
 
     /* Set S[0] to the constant P32, then generate the rest of S. */
 
@@ -61,10 +71,10 @@
 
     regPtr = (unsigned char*)&regs[0];
     memcpy(regPtr, input, 16);
-    A = regs[0]; /* Cook up A, B, C, and D as our four 32-bit registers. */
-    B = regs[1];
-    C = regs[2];
-    D = regs[3];
+    A = regswp(regs[0]); /* Cook up A, B, C, and D as our four 32-bit registers. */
+    B = regswp(regs[1]);
+    C = regswp(regs[2]);
+    D = regswp(regs[3]);
 	B += S[0];
 	D += S[1];
 	for (j = 1; j <= 20; j++)  /* Perform 20 rounds. */
@@ -81,10 +91,10 @@
     }
 	A += S[42];
 	C += S[43];
-    regs[0] = A;
-    regs[1] = B;
-    regs[2] = C;
-    regs[3] = D;
+    regs[0] = regswp(A);
+    regs[1] = regswp(B);
+    regs[2] = regswp(C);
+    regs[3] = regswp(D);
     memcpy(output, regPtr, 16);
 }
 
@@ -104,10 +114,10 @@
 
     regPtr = (unsigned char*)&regs[0];
     memcpy(regPtr, input, 16);
-    A = regs[0];
-    B = regs[1];
-    C = regs[2];
-    D = regs[3];
+    A = regswp(regs[0]);
+    B = regswp(regs[1]);
+    C = regswp(regs[2]);
+    D = regswp(regs[3]);
 	C -= S[43];
 	A -= S[42];
 	for (j = 20; j >= 1; j--)
@@ -126,10 +136,10 @@
 	}
 	D -= S[1];
 	B -= S[0];
-    regs[0] = A;
-    regs[1] = B;
-    regs[2] = C;
-    regs[3] = D;
+    regs[0] = regswp(A);
+    regs[1] = regswp(B);
+    regs[2] = regswp(C);
+    regs[3] = regswp(D);
     memcpy(output, regPtr, 16);
 }