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/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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.wildfly.security.ssl;
import java.util.EnumSet;
/**
* The digest algorithm type for SSL/TLS cipher suite selection.
*
* @author David M. Lloyd
*/
public enum Digest {
/**
* The MD5 digest algorithm.
*/
MD5,
/**
* The SHA-1 digest algorithm.
*/
SHA1,
/**
* The GOST R 34.11-94 (HMAC) digest algorithm.
*/
GOST94,
/**
* The GOST 28147-89 (MAC, not HMAC) digest algorithm.
*/
GOST89MAC,
/**
* The SHA-256 digest algorithm.
*/
SHA256,
/**
* The SHA-384 digest algorithm.
*/
SHA384,
/**
* AEAD (Authenticated Encryption with Associated Data) based authenticated message mode.
*
* @deprecated no longer used; refer to the actual digest algorithm instead.
*/
@Deprecated
AEAD,
;
static final int fullSize = values().length;
static Digest forName(final String name) {
switch (name) {
case "MD5": return MD5;
case "SHA1": return SHA1;
case "GOST94": return GOST94;
case "GOST89MAC": return GOST89MAC;
case "SHA256": return SHA256;
case "SHA384": return SHA384;
case "AEAD": return AEAD;
default: return null;
}
}
/**
* Determine whether the given set is "full" (meaning it contains all possible values).
*
* @param digests the set
* @return {@code true} if the set is full, {@code false} otherwise
*/
public static boolean isFull(final EnumSet digests) {
return digests != null && digests.size() == fullSize;
}
/**
* Determine whether this instance is equal to one of the given instances.
*
* @param value1 the first instance
* @param value2 the second instance
* @return {@code true} if one of the instances matches this one, {@code false} otherwise
*/
public boolean in(final Digest value1, final Digest value2) {
return this == value1 || this == value2;
}
/**
* Determine whether this instance is equal to one of the given instances.
*
* @param value1 the first instance
* @param value2 the second instance
* @param value3 the third instance
* @return {@code true} if one of the instances matches this one, {@code false} otherwise
*/
public boolean in(final Digest value1, final Digest value2, final Digest value3) {
return this == value1 || this == value2 || this == value3;
}
/**
* Determine whether this instance is equal to one of the given instances.
*
* @param values the values to match against
* @return {@code true} if one of the instances matches this one, {@code false} otherwise
*/
public boolean in(final Digest... values) {
if (values != null) for (Digest value : values) {
if (this == value) return true;
}
return false;
}
}