29 lines
860 B
Java
29 lines
860 B
Java
package com.luminiasoft.bitshares;
|
|
|
|
/**
|
|
* Created by nelson on 11/8/16.
|
|
*/
|
|
public class Util {
|
|
final private static char[] hexArray = "0123456789abcdef".toCharArray();
|
|
|
|
public static byte[] hexToBytes(String s) {
|
|
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;
|
|
}
|
|
|
|
public static String bytesToHex(byte[] bytes) {
|
|
char[] hexChars = new char[bytes.length * 2];
|
|
for ( int j = 0; j < bytes.length; j++ ) {
|
|
int v = bytes[j] & 0xFF;
|
|
hexChars[j * 2] = hexArray[v >>> 4];
|
|
hexChars[j * 2 + 1] = hexArray[v & 0x0F];
|
|
}
|
|
return new String(hexChars);
|
|
}
|
|
}
|