com.eshore.tools.pbkdf2.Sha256 Maven / Gradle / Ivy
package com.eshore.tools.pbkdf2;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class Sha256 implements Hash {
MessageDigest digest;
public Sha256(){
try {
digest = MessageDigest.getInstance("SHA-256");
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
}
@Override
public void reset() {
digest.reset();
}
@Override
public void write(byte[] bytes) {
digest.update(bytes);
}
@Override
public byte[] sum(byte[] bytes) {
if(bytes!=null){
digest.update(bytes);
}
return digest.digest();
}
@Override
public int size() {
return 32;
}
@Override
public Hash getHash() {
// TODO Auto-generated method stub
return new Sha256();
}
@Override
public int blockSize() {
// TODO Auto-generated method stub
return 64;
}
@Override
public void write(byte[] bytes, int off, int len) {
// TODO Auto-generated method stub
digest.update(bytes, off, len);
}
@Override
public void write(byte b) {
digest.update(b);
}
}