Hash a password with SHA-512 | Operating systems, scripting, PowerShell and security

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.nio.charset.StandardCharsets;
import java.security.*;

public class Hash512
{

    public static void main(String[] args)
    {
        String texto = "";
        texto = get_SHA_512_SecurePassword("hola","123");
        System.out.println("resultado: " + texto);

    }

    static String get_SHA_512_SecurePassword(String passwordToHash, String   salt){
        String generatedPassword = null;

        try {
          MessageDigest md = MessageDigest.getInstance("SHA-512");
          md.update(salt.getBytes(StandardCharsets.UTF_8));
          byte[] bytes = md.digest(passwordToHash.getBytes(StandardCharsets.UTF_8));
          StringBuilder sb = new StringBuilder();
          for(int i=0; i< bytes.length ;i++){
              sb.append(Integer.toString((bytes[i] & 0xff) + 0x100, 16).substring(1));
          }
          generatedPassword = sb.toString();
      }
      catch (NoSuchAlgorithmException e){
         e.printStackTrace();
     }
     return generatedPassword;
    }
}

import java.security.MessageDigest;

import java.security.NoSuchAlgorithmException;

import java.nio.charset.StandardCharsets;

import java.security.*;

public class Hash512

{

public static void main(String[] args)

{

String texto = "";

texto = get_SHA_512_SecurePassword("hola","123");

System.out.println("resultado: " + texto);

}

static String get_SHA_512_SecurePassword(String passwordToHash, String salt){

String generatedPassword = null;

try {

MessageDigest md = MessageDigest.getInstance("SHA-512");

md.update(salt.getBytes(StandardCharsets.UTF_8));

byte[] bytes = md.digest(passwordToHash.getBytes(StandardCharsets.UTF_8));

StringBuilder sb = new StringBuilder();

for(int i=0; i< bytes.length ;i++){

sb.append(Integer.toString((bytes[i] & 0xff) + 0x100, 16).substring(1));

}

generatedPassword = sb.toString();

}

catch (NoSuchAlgorithmException e){

e.printStackTrace();

}

return generatedPassword;

}

Publicado el día 2 de febrero de 2018

CATEGORÍAS

Java, Seguridad

ETIQUETAS

Append, Java, Length, password, Substring, System.out.println, ToString

CATEGORÍAS

ETIQUETAS

MÁS