1 files changed, 63 insertions, 0 deletions
diff --git a/client/Piztor/src/com/macaroon/piztor/Convert.java b/client/Piztor/src/com/macaroon/piztor/Convert.java
new file mode 100644
index 0000000..af7359c
--- /dev/null
+++ b/client/Piztor/src/com/macaroon/piztor/Convert.java
@@ -0,0 +1,63 @@
+package com.macaroon.piztor;
+
+import android.annotation.SuppressLint;
+
+public class Convert {
+	
+	@SuppressLint("DefaultLocale")
+	public static byte[] hexStringToBytes(String hexString) {
+		if (hexString == null || hexString.equals("")) {
+			return null;
+		}
+		hexString = hexString.toUpperCase();
+		int length = hexString.length() / 2;
+		char[] hexChars = hexString.toCharArray();
+		byte[] d = new byte[length];
+		for (int i = 0; i < length; i++) {
+				int pos = i * 2;
+				d[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1]));
+		}
+		return d;
+	}
+	
+	public static byte charToByte(char c) {
+		return (byte) "0123456789ABCDEF".indexOf(c);
+	}
+	
+	public static byte[] intToBytes(int i) {   
+		  byte[] d = new byte[4];   
+		  d[0] = (byte)((i >> 24) & 0xFF);
+		  d[1] = (byte)((i >> 16) & 0xFF);
+		  d[2] = (byte)((i >> 8) & 0xFF); 
+		  d[3] = (byte)(i & 0xFF);
+		  return d;
+	}
+	
+	public static byte[] doubleToBytes(double d){
+		  byte[] b=new byte[8];
+		  long l=Double.doubleToLongBits(d);
+		  for(int i=0;i<8;i++){
+			  b[i] = (byte)(l >>> 8*(7-i));
+		  }
+		  return b;
+	}
+	
+	public static void write(byte[] s,byte[] w,int l) {
+		
+		for(int i=0;i<w.length;i++){
+			s[i+l] = w[i];
+		}
+	}
+	
+	public static String byteToHexString(byte[] buffer){
+		String p ="";
+		for (int i = 0; i < buffer.length; i++) {
+			   String hex = Integer.toHexString(buffer[i] & 0xFF);
+			   if (hex.length() == 1) {
+			    hex = '0' + hex;
+			   }
+			   p += hex;
+		}
+		return p;
+	}
+}
+\ No newline at end of file