found c

encrypt.lua

@@ -5,11 +5,35 @@ implementation of the RC5 cipher in Lua
 Sean Smith
 sean@spacealien.xyz
 
--initialize the variables specified in the paper
+w=word size in bits
--translate and copy the functions in the appendix of the paper
+r=number of rounds 
---were gonna use static variables of 32bit key for now
+b=key size in bytes
--do key expansion
+K=secret key
-
+u=w/8 (the length of a word in bytes)
+K[] is the key as an array of bytes
+c=length of key in words
 
 ]]
 
+local insert
+local concat
+local tostring
+local modf
+
+local w=64
+local r=24
+local b=16
+local K="globglogabgalab1"
+local u=8
+--local c=2 (with globglogabgalab1 as the key c should =2)
+
+--magic constants for 64bit word size (hex)
+local P = 0xb7e151628aed2a6b
+local Q = 0x9e3779b97f4a7c15
+
+--break K into words
+--u = w / 8
+c = math.ceil(math.max(b, 1) / u)
+print(c)
+
+