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Rabbit_Util.py

@@ -0,0 +1,29 @@
+def ROTL8(v,n):
+    return (((v<<n)&0xff) | ((v>>(8-n))&0xff))
+def ROTL16(v,n):
+    return (((v<<n)&0xffff) | ((v>>(16-n))&0xffff))
+def ROTL32(v,n):
+    return (((v<<n)&0xffffffff) | ((v>>(32-n))&0xffffffff))
+def ROTL64(v,n):
+    return (((v<<n)&0xffffffffffffffff) | ((v>>(64-n))&0xffffffffffffffff)) 
+def ROTR8(v,n):
+    return ROTL(V,8-n)
+def ROTR16(v,n):
+    return ROTL(V,16-n)
+def ROTR32(v,n):
+    return ROTL(V,32-n)
+def ROTR64(v,n):
+    return ROTL(V,64-n)
+def SWAP32(v):
+    return ((ROTL32(v,8)&0x00ff00ff) | (ROTL32(v,24)&0xff00ff00));
+class Rabbit_state(object):
+    def __init__(self):
+        self.x=[0]*8
+        self.c=[0]*8
+        self.carry=0
+
+class Rabbit_ctx(object):
+    def __init__(self):
+        self.m=Rabbit_state()
+        self.w=Rabbit_state()
+