Algorithm for computing SHA-256

Algorithm.java

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import javax.xml.bind.DatatypeConverter;

/**
 * @author ARNOLD
 *
 */
public class Algorithm {
  
  private transient String sha;
  private static final String SHA_256;
  
  static {
    SHA_256 = "SHA-256";
  }
  
  /**
	 * @param message
	 * @return String
	 */
  public String generateSha(String message) {
		try {
			sha = getHash(message);
		} catch (NoSuchAlgorithmException noSuchAlgorithmException) {
			noSuchAlgorithmException.printStackTrace();
		}
		return sha;
	}

  /**
	 * @param sha
	 * @return String
	 */
	private String getHash(String sha) throws NoSuchAlgorithmException {
		MessageDigest engine = MessageDigest.getInstance(SHA_256);
		engine.update(sha.getBytes());
		byte[] cyphered = engine.digest();
		return DatatypeConverter.printHexBinary(cyphered);
	}
}

I've used the bcprov-jdk15on-1.50 jar

here is the link

https://mvnrepository.com/artifact/org.bouncycastle/bcprov-jdk15on/1.50