Android SHA256 Hash Create sha256(final String aString)

Description

sha

License

Apache License

Declaration

public static String sha256(final String aString) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import android.text.TextUtils;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Main {
    public static String sha256(final String aString) {
        String result = null;/*from   ww  w  .  j  a  va  2 s . co  m*/
        if (TextUtils.isEmpty(aString))
            return result;
        MessageDigest md;
        StringBuffer hexString = new StringBuffer();
        try {
            md = MessageDigest.getInstance("SHA-256");
            md.reset();
            md.update(aString.getBytes());
            byte[] messageDigest = md.digest();
            for (int i = 0; i < messageDigest.length; i++) {
                String hex = Integer.toHexString(0xff & messageDigest[i]);
                if (hex.length() == 1)
                    hexString.append('0');
                hexString.append(hex);
            }
            result = hexString.toString();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        return result;
    }
}

Related

1. sha256(String input)
2. sha256(String string)
3. sha256(byte[] data)
4. sha256(byte[] data, int offset, int length)
5. sha256(byte[] data1, byte[] data2)
6. sha256Byte(String in)
7. sha256Byte(byte[] in)
8. doubleSha256(byte[] data)
9. doubleSha256(byte[] data, int offset, int length)