made progress on the key setup
This commit is contained in:
parent
9f1d3d4b17
commit
98537f77d4
35
encrypt.lua
35
encrypt.lua
@ -15,6 +15,8 @@ c=length of key in words
|
||||
|
||||
]]
|
||||
|
||||
local inspect = require 'inspect'
|
||||
|
||||
local insert
|
||||
local concat
|
||||
local tostring
|
||||
@ -23,9 +25,10 @@ local modf
|
||||
local w=64
|
||||
local r=24
|
||||
local b=16
|
||||
local K="globglogabgalab1"
|
||||
local u=8
|
||||
local key="globglogabgalab1"
|
||||
local u=8 --length of a word in bytes
|
||||
--local c=2 (with globglogabgalab1 as the key c should =2)
|
||||
local L = {}
|
||||
|
||||
--magic constants for 64bit word size (hex)
|
||||
local P = 0xb7e151628aed2a6b
|
||||
@ -36,4 +39,32 @@ local Q = 0x9e3779b97f4a7c15
|
||||
c = math.ceil(math.max(b, 1) / u)
|
||||
print(c)
|
||||
|
||||
--convert the key into an array of ints
|
||||
local K = {string.byte(key, 1, -1)}
|
||||
for i = 1, #K do
|
||||
print(K[i])
|
||||
end
|
||||
|
||||
--for i = b-1, down to 0
|
||||
--becuse lua starts tables at 1 this is changed to
|
||||
L[c] = 0
|
||||
for i = b, 1, -1 do
|
||||
if L[i/u] == nil then
|
||||
L[i/u] = 0
|
||||
end
|
||||
L[i/u] = (L[i/u] << 8) + K[i]
|
||||
print(i)
|
||||
end
|
||||
|
||||
print(inspect(L))
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
Loading…
x
Reference in New Issue
Block a user