X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/5b1311fba2d422b0c4549097f8e9e0c635b1d9e1..47cbb2d41851e680c84b3a7dd0465f7f7960a9ec:/client/lualibs/utils.lua

diff --git a/client/lualibs/utils.lua b/client/lualibs/utils.lua
index 3d27d5b6..15b96ee5 100644
--- a/client/lualibs/utils.lua
+++ b/client/lualibs/utils.lua
@@ -46,12 +46,100 @@ local Utils =
 	end,
 	---
 	-- Convert Byte array to string of hex
-	ConvertBytes2String = function(bytes)
-		s = {}
+	ConvertBytes2HexString = function(bytes)
+		if #bytes == 0 then
+			return ''
+		end
+		local s={}
 		for i = 1, #(bytes) do
-			s[i] =   string.format("%02X",bytes[i]) 
+			s[i] = string.format("%02X",bytes[i]) 
 		end
 		return table.concat(s)
 	end,	
+	-- Convert byte array to string with ascii
+    ConvertBytesToAsciiString = function(bytes)
+		if #bytes == 0 then
+			return ''
+		end
+		local s={}
+		for i = 1, #(bytes) do
+			s[i] = string.char(bytes[i]) 
+		end
+		return table.concat(s)		
+	end,	 
+	ConvertHexStringToBytes = function(s)
+		local t={}
+		if s == nil then return t end
+		if #s == 0 then return t end
+		for k in s:gmatch"(%x%x)" do
+			table.insert(t,tonumber(k,16))
+		end
+		return t
+	end,
+	ConvertAsciiStringToBytes = function(s)
+		local t={}
+		if s == nil then return t end
+		if #s == 0 then return t end
+		
+		for k in s:gmatch"(.)" do
+			table.insert(t, string.byte(k))
+		end
+		return t
+	end,
+	ConvertHexToAscii = function(s)
+		local t={}
+		if s == nil then return t end
+		if #s == 0 then return t end
+		for k in s:gmatch"(%x%x)" do
+			table.insert(t, string.char(tonumber(k,16)))
+		end
+		return  table.concat(t)	
+	end,
+	
+	-- function convertStringToBytes(str)
+	-- local bytes = {}
+	-- local strLength = string.len(str)
+	-- for i=1,strLength do
+		-- table.insert(bytes, string.byte(str, i))
+	-- end
+
+	-- return bytes
+-- end
+
+-- function convertBytesToString(bytes)
+	-- local bytesLength = table.getn(bytes)
+	-- local str = ""
+	-- for i=1,bytesLength do
+		-- str = str .. string.char(bytes[i])
+	-- end
+
+	-- return str
+-- end
+
+-- function convertHexStringToBytes(str)
+	-- local bytes = {}
+	-- local strLength = string.len(str)
+	-- for k=2,strLength,2 do
+		-- local hexString = "0x" .. string.sub(str, (k - 1), k)
+		-- table.insert(bytes, hex.to_dec(hexString))
+	-- end
+
+	-- return bytes
+-- end
+
+-- function convertBytesToHexString(bytes)
+	-- local str = ""
+	-- local bytesLength = table.getn(bytes)
+	-- for i=1,bytesLength do
+		-- local hexString = string.sub(hex.to_hex(bytes[i]), 3)
+		-- if string.len(hexString) == 1 then
+			-- hexString = "0" .. hexString
+		-- end
+		-- str = str .. hexString
+	-- end
+
+	-- return str
+-- end
+
 }
 return Utils
\ No newline at end of file