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  /*
   * =============================================================================
   * 
   *   Copyright (c) 2007, The JASYPT team (http://www.jasypt.org)
   * 
   *   Licensed under the Apache License, Version 2.0 (the "License");
   *   you may not use this file except in compliance with the License.
   *   You may obtain a copy of the License at
   * 
  *       http://www.apache.org/licenses/LICENSE-2.0
  * 
  *   Unless required by applicable law or agreed to in writing, software
  *   distributed under the License is distributed on an "AS IS" BASIS,
  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *   See the License for the specific language governing permissions and
  *   limitations under the License.
  * 
  * =============================================================================
  */
 package org.jasypt.util.password;
 

Utility class for easily performing high-strength password digesting and checking.

This class internally holds a org.jasypt.digest.StandardStringDigester configured this way:

  • Algorithm: SHA-256.
  • Salt size: 16 bytes.
  • Iterations: 100000.

The required steps to use it are:

  1. Create an instance (using new).
  2. Perform the desired encryptPassword(java.lang.String) or checkPassword(java.lang.String,java.lang.String) operations.

This class is thread-safe

Author(s):
Daniel Fernández Garrido
Since:
1.2 (class existed in org.jasypt.util package since 1.1)
 
 public final class StrongPasswordEncryptor implements PasswordEncryptor {
 
     // The internal digester used
     private StandardStringDigester digester = null;
    
    
    
Creates a new instance of StrongPasswordEncryptor
 
     public StrongPasswordEncryptor() {
         super();
         this. = new StandardStringDigester();
         this..setAlgorithm("SHA-256");
         this..setIterations(100000);
         this..setSaltSizeBytes(16);
         this..initialize();
     }
    
    
    
Encrypts (digests) a password.

Parameters:
password the password to be encrypted.
Returns:
the resulting digest.
See also:
org.jasypt.digest.StandardStringDigester.digest(java.lang.String)
 
     public String encryptPassword(String password) {
         return .digest(password);
     }

    
    
Checks an unencrypted (plain) password against an encrypted one (a digest) to see if they match.

Parameters:
plainPassword the plain password to check.
encryptedPassword the digest against which to check the password.
Returns:
true if passwords match, false if not.
See also:
org.jasypt.digest.StandardStringDigester.matches(java.lang.String,java.lang.String)
 
     public boolean checkPassword(String plainPassword
             String encryptedPassword) {
         return .matches(plainPasswordencryptedPassword);
    }
    
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