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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 static org.wildfly.security.ssl.ElytronMessages.log;
import java.util.EnumSet;
/**
* The encryption type for SSL/TLS cipher suite selection.
*
* @author David M. Lloyd
*/
public enum Encryption {
/**
* No encryption.
*/
NULL,
/**
* AES encryption with 256-bit keys in Galois counter mode (GCM).
*/
AES256GCM,
/**
* AES encryption with 256-bit keys in CBC-MAC Mode (CCM).
*/
AES256CCM,
/**
* AES encryption with 256-bit keys in CBC-MAC Mode (CCM) with an 8-Octet Integrity Check Value.
*/
AES256CCM8,
/**
* AES encryption with 256-bit keys.
*/
AES256,
/**
* AES encryption with 128-bit keys in Galois counter mode (GCM).
*/
AES128GCM,
/**
* AES encryption with 128-bit keys in CBC-MAC Mode (CCM).
*/
AES128CCM,
/**
* AES encryption with 128-bit keys in CBC-MAC Mode (CCM) with an 8-Octet Integrity Check Value.
*/
AES128CCM8,
/**
* AES encryption with 128-bit keys.
*/
AES128,
/**
* Camellia encryption with 256-bit keys.
*/
CAMELLIA256,
/**
* Camellia encryption with 128-bit keys.
*/
CAMELLIA128,
/**
* Triple-DES encryption.
*/
_3DES,
/**
* Simple DES encryption.
*/
DES,
/**
* IDEA encryption.
*/
IDEA,
/**
* GOST 28147-89 encryption as defined in RFC 5830.
*/
GOST2814789CNT,
/**
* SEED encryption.
*/
SEED,
/**
* Fortezza encryption.
*/
FZA,
/**
* RC4 encryption.
*/
RC4,
/**
* RC2 encryption.
*/
RC2,
/**
* ChaCha20 encryption.
*/
CHACHA20,
/**
* ARIA encryption with 256-bit keys in Galois counter mode (GCM).
*/
ARIA256GCM,
/**
* ARIA encryption with 256-bit keys.
*/
ARIA256,
/**
* ARIA encryption with 128-bit keys in Galois counter mode (GCM).
*/
ARIA128GCM,
/**
* ARIA encryption with 128-bit.
*/
ARIA128
;
/**
* Legacy name for {@link #CHACHA20}.
*
* @deprecated Use {@link #CHACHA20} instead.
*/
@Deprecated
public static final Encryption CHACHA20POLY1305 = CHACHA20;
static final int fullSize = values().length;
static Encryption forName(final String name) {
switch (name) {
case "NULL": return NULL;
case "AES256GCM": return AES256GCM;
case "AES256CCM": return AES256CCM;
case "AES256CCM8": return AES256CCM8;
case "AES256": return AES256;
case "AES128GCM": return AES128GCM;
case "AES128CCM": return AES128CCM;
case "AES128CCM8": return AES128CCM8;
case "AES128": return AES128;
case "CAMELLIA256": return CAMELLIA256;
case "CAMELLIA128": return CAMELLIA128;
case "CHACHA20POLY1305": // fall through
case "CHACHA20": return CHACHA20;
case "3DES": return _3DES;
case "DES": return DES;
case "IDEA": return IDEA;
case "GOST2814789CNT": return GOST2814789CNT;
case "SEED": return SEED;
case "FZA": return FZA;
case "RC4": return RC4;
case "RC2": return RC2;
case "ARIA256GCM": return ARIA256GCM;
case "ARIA256": return ARIA256;
case "ARIA128GCM": return ARIA128GCM;
case "ARIA128": return ARIA128;
default: return null;
}
}
static Encryption require(final String name) {
final Encryption encryption = forName(name);
if (encryption == null) {
throw log.unknownEncryptionName(name);
}
return null;
}
/**
* Determine whether the given set is "full" (meaning it contains all possible values).
*
* @param encryptions the set
* @return {@code true} if the set is full, {@code false} otherwise
*/
public static boolean isFull(final EnumSet encryptions) {
return encryptions != null && encryptions.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 Encryption value1, final Encryption 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 Encryption value1, final Encryption value2, final Encryption 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 Encryption... values) {
if (values != null) for (Encryption value : values) {
if (this == value) return true;
}
return false;
}
}
