Encrypted key store in mssql , get it back when validation part

Question

i ned to make sure, do i do the rigth way to encrypt the password, how to cal it out and compare with the password that user key in jsp. i ned to store it in mssql, is it enough length to save the password after the encryption, please correct me if anything wrong. sory i still a beginer in servlet and jsp.
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.myorg.SystemUnavailableException;
import sun.misc.BASE64Encoder;
import sun.misc.CharacterEncoder;
public final class PasswordService
  private static PasswordService instance;
  private PasswordService()
  private String getPasswordEcrytionKey(){
     Propertise Props = new Propertise();
     try {
          fileUtilities fileManager = new FileUtilities();
          file ProFile = fileManager.searchFilePath("encrytionkey.propertise");
     if ( prosFile == null)
          System.out.println("encrytionkey.propertise did not found in System CLASSPATH.");
     else
     props.load(new FileInputStream(prosFile));
     encrytionKey = props.getProperty("encrytion Key");
     plaintext = props.getProperty("Plain Text format");
     catch (IOException e)
          System.out.printil("Error Trance in ConnectionUtilities.getConnectionUrl() : +           e.getmessage())     
     e.printStackTrace();
     return "encrytionKey" + encrytionKey + "Plain Text Format" + plaintext;
  public synchronized String encrypt(String plaintext) throws SystemUnavailableException
    MessageDigest md = null;
    try
      md = MessageDigest.getInstance(EncrytionKey);     
    catch(NoSuchAlgorithmException e)
      throw new SystemUnavailableException(e.getMessage());
    try
      md.update(plaintext.getBytes(plaintext));      
    catch(UnsupportedEncodingException e)
      throw new SystemUnavailableException(e.getMessage());
    byte raw[] = md.digest();     
    String hash = (new BASE64Encoder()).encode(raw);      
    return hash;
  public static synchronized PasswordService getInstance()      
    if(instance == null)
      return new PasswordService();
    else   
      return instance;
# This propertise file is storing the password encrytion key
# which is by the CS to encrytion the password to access the CS system
# passwordEncrytionkey.class will access this file to retrive value.
# Below is the pair of key = value
# IMPORTANT: DO NOT DELETE or RENAME the key. You can only change
# the value.
Encrytion key = MD5
Plain Text format = UTF-8thx in advance

Answer 1

i ned to make sure, do i do the rigth way to encrypt the password, how to cal it out and compare with the password that user key in jsp. i ned to store it in mssql, is it enough length to save the password after the encryption, please correct me if anything wrong. sory i still a beginer in servlet and jsp.
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.myorg.SystemUnavailableException;
import sun.misc.BASE64Encoder;
import sun.misc.CharacterEncoder;
public final class PasswordService
  private static PasswordService instance;
  private PasswordService()
  private String getPasswordEcrytionKey(){
     Propertise Props = new Propertise();
     try {
          fileUtilities fileManager = new FileUtilities();
          file ProFile = fileManager.searchFilePath("encrytionkey.propertise");
     if ( prosFile == null)
          System.out.println("encrytionkey.propertise did not found in System CLASSPATH.");
     else
     props.load(new FileInputStream(prosFile));
     encrytionKey = props.getProperty("encrytion Key");
     plaintext = props.getProperty("Plain Text format");
     catch (IOException e)
          System.out.printil("Error Trance in ConnectionUtilities.getConnectionUrl() : +           e.getmessage())     
     e.printStackTrace();
     return "encrytionKey" + encrytionKey + "Plain Text Format" + plaintext;
  public synchronized String encrypt(String plaintext) throws SystemUnavailableException
    MessageDigest md = null;
    try
      md = MessageDigest.getInstance(EncrytionKey);     
    catch(NoSuchAlgorithmException e)
      throw new SystemUnavailableException(e.getMessage());
    try
      md.update(plaintext.getBytes(plaintext));      
    catch(UnsupportedEncodingException e)
      throw new SystemUnavailableException(e.getMessage());
    byte raw[] = md.digest();     
    String hash = (new BASE64Encoder()).encode(raw);      
    return hash;
  public static synchronized PasswordService getInstance()      
    if(instance == null)
      return new PasswordService();
    else   
      return instance;
# This propertise file is storing the password encrytion key
# which is by the CS to encrytion the password to access the CS system
# passwordEncrytionkey.class will access this file to retrive value.
# Below is the pair of key = value
# IMPORTANT: DO NOT DELETE or RENAME the key. You can only change
# the value.
Encrytion key = MD5
Plain Text format = UTF-8thx in advance