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Convert byte array to Hex String and vice versa

/ Published in: Java
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  1. public static String getHexString(byte[] b) throws Exception {
  2.   String result = "";
  3.   for (int i=0; i < b.length; i++) {
  4.     result += Integer.toString( ( b[i] & 0xff ) + 0x100, 16).substring( 1 );
  5.   }
  6.   return result;
  7. }
  8.  
  9. public static byte[] getByteArray(String hexString) {
  10.   return BigInteger(hexString,16).toByteArray(); 
  11. }

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