com.helger.security.password.hash.PasswordHashCreatorSHA512 Maven / Gradle / Ivy
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Special Java 1.8+ Library with security related functionality
/**
* Copyright (C) 2014-2019 Philip Helger (www.helger.com)
* philip[at]helger[dot]com
*
* 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 com.helger.security.password.hash;
import java.nio.charset.StandardCharsets;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import com.helger.commons.ValueEnforcer;
import com.helger.security.messagedigest.EMessageDigestAlgorithm;
import com.helger.security.messagedigest.MessageDigestValue;
import com.helger.security.password.salt.IPasswordSalt;
/**
* The default implementation of {@link IPasswordHashCreator} using unsalted
* SHA512 hashes.
*
* @author Philip Helger
*/
public final class PasswordHashCreatorSHA512 extends AbstractPasswordHashCreator
{
public static final String ALGORITHM = "default";
/** Hashing algorithm to use for user passwords - never change it! */
public static final EMessageDigestAlgorithm USER_PASSWORD_ALGO = EMessageDigestAlgorithm.SHA_512;
public PasswordHashCreatorSHA512 ()
{
super (ALGORITHM);
}
public boolean requiresSalt ()
{
return false;
}
@Nonnull
public String createPasswordHash (@Nullable final IPasswordSalt aSalt, @Nonnull final String sPlainTextPassword)
{
ValueEnforcer.notNull (sPlainTextPassword, "PlainTextPassword");
return MessageDigestValue.create (sPlainTextPassword.getBytes (StandardCharsets.UTF_8), USER_PASSWORD_ALGO)
.getHexEncodedDigestString ();
}
}
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