Method hexString2Byte

bindings/java/TestXcore.java:10–19

(String s)

public class TestXcore {
  static byte[] hexString2Byte(String s) {
    // from http://stackoverflow.com/questions/140131/convert-a-string-representation-of-a-hex-dump-to-a-byte-array-using-java
    int len = s.length();
    byte[] data = new byte[len / 2];
    for (int i = 0; i < len; i += 2) {
      data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
          + Character.digit(s.charAt(i+1), 16));
    }
    return data;
  }

  static final String XCORE_CODE = "fe0ffe171317c6feec1797f8ec4f1ffdec3707f2455bf9fa02061b1009fdeca7";