From 1de5f9ac6f038bfed2230cc1272b253794b2f41a Mon Sep 17 00:00:00 2001
From: Alexander Pickering <alexandermpickering@gmail.com>
Date: Sun, 10 Jul 2016 17:04:29 -0400
Subject: Initial commit

---
 gamemode/shared/lockbox/array.lua | 211 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 211 insertions(+)
 create mode 100644 gamemode/shared/lockbox/array.lua

(limited to 'gamemode/shared/lockbox/array.lua')

diff --git a/gamemode/shared/lockbox/array.lua b/gamemode/shared/lockbox/array.lua
new file mode 100644
index 0000000..7ae89fc
--- /dev/null
+++ b/gamemode/shared/lockbox/array.lua
@@ -0,0 +1,211 @@
+print("Hello from array.lua!")
+local String = string
+local Bit = include("bit.lua");
+
+local XOR = Bit.bxor;
+
+local Array = {};
+
+Array.size = function(array)
+	return #array;
+end
+
+Array.fromString = function(string)
+	local bytes = {};
+
+	local i=1;
+	local byte = String.byte(string,i);
+	while byte ~= nil do
+		bytes[i] = byte;
+		i = i + 1;
+		byte = String.byte(string,i);
+	end
+
+	return bytes;
+
+end
+
+Array.toString = function(bytes)
+	local chars = {};
+	local i=1;
+
+	local byte = bytes[i];
+	while byte ~= nil do
+		chars[i] = String.char(byte);
+		i = i+1;
+		byte = bytes[i];
+	end
+
+	return table.concat(chars,"");
+end
+
+Array.fromStream = function(stream)
+	local array = {};
+	local i=1;
+
+	local byte = stream();
+	while byte ~= nil do
+		array[i] = byte;
+		i = i+1;
+		byte = stream();
+	end
+
+	return array;
+end
+
+Array.readFromQueue = function(queue,size)
+	local array = {};
+
+	for i=1,size do
+		array[i] = queue.pop();
+	end
+
+	return array;
+end
+
+Array.writeToQueue = function(queue,array)
+	local size = Array.size(array);
+
+	for i=1,size do
+		queue.push(array[i]);
+	end
+end
+
+Array.toStream = function(array)
+	local queue = Queue();
+	local i=1;
+
+	local byte = array[i];
+	while byte ~= nil do
+		queue.push(byte);
+		i=i+1;
+		byte = array[i];
+	end
+
+	return queue.pop;
+end
+
+
+local fromHexTable = {};
+for i=0,255 do
+	fromHexTable[String.format("%02X",i)]=i;
+	fromHexTable[String.format("%02x",i)]=i;
+end
+
+Array.fromHex = function(hex)
+	local array = {};
+
+	for i=1,String.len(hex)/2 do
+		local h = String.sub(hex,i*2-1,i*2);
+		array[i] = fromHexTable[h];
+	end
+
+	return array;
+end
+
+
+local toHexTable = {};
+for i=0,255 do
+	toHexTable[i]=String.format("%02X",i);
+end
+
+Array.toHex = function(array)
+	local hex = {};
+	local i = 1;
+
+	local byte = array[i];
+	while byte ~= nil do
+		hex[i] = toHexTable[byte];
+		i=i+1;
+		byte = array[i];
+	end
+
+	return table.concat(hex,"");
+
+end
+
+Array.concat = function(a,b)
+	local concat = {};
+	local out=1;
+
+	local i=1;
+	local byte = a[i];
+	while byte ~= nil do
+		concat[out] = byte;
+		i = i + 1;
+		out = out + 1;
+		byte = a[i];
+	end
+
+	local i=1;
+	local byte = b[i];
+	while byte ~= nil do
+		concat[out] = byte;
+		i = i + 1;
+		out = out + 1;
+		byte = b[i];
+	end
+
+	return concat;
+end
+
+Array.truncate = function(a,newSize)
+	local x = {};
+
+	for i=1,newSize do
+		x[i]=a[i];
+	end
+
+	return x;
+end
+
+Array.XOR = function(a,b)
+	local x = {};
+
+	for k,v in pairs(a) do
+		x[k] = XOR(v,b[k]);
+	end
+
+	return x;
+end
+
+Array.substitute = function(input,sbox)
+	local out = {};
+
+	for k,v in pairs(input) do
+		out[k] = sbox[v];
+	end
+
+	return out;
+end
+
+Array.permute = function(input,pbox)
+	local out = {};
+
+	for k,v in pairs(pbox) do
+		out[k] = input[v];
+	end
+
+	return out;
+end
+
+Array.copy = function(input)
+	local out = {};
+
+	for k,v in pairs(input) do
+		out[k] = v;
+	end
+	return out;
+end
+
+Array.slice = function(input,start,stop)
+	local out = {};
+
+	for i=start,stop do
+		out[i-start+1] = input[i];
+	end
+	return out;
+end
+
+
+return Array;
-- 
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