/* ==================================================================== | |
Licensed to the Apache Software Foundation (ASF) under one or more | |
contributor license agreements. See the NOTICE file distributed with | |
this work for additional information regarding copyright ownership. | |
The ASF licenses this file to You 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.apache.poi.poifs.crypt; | |
import org.apache.poi.EncryptedDocumentException; | |
public enum CipherProvider { | |
rc4("RC4", 1, "Microsoft Base Cryptographic Provider v1.0"), | |
aes("AES", 0x18, "Microsoft Enhanced RSA and AES Cryptographic Provider"); | |
public static CipherProvider fromEcmaId(int ecmaId) { | |
for (CipherProvider cp : CipherProvider.values()) { | |
if (cp.ecmaId == ecmaId) return cp; | |
} | |
throw new EncryptedDocumentException("cipher provider not found"); | |
} | |
public final String jceId; | |
public final int ecmaId; | |
public final String cipherProviderName; | |
CipherProvider(String jceId, int ecmaId, String cipherProviderName) { | |
this.jceId = jceId; | |
this.ecmaId = ecmaId; | |
this.cipherProviderName = cipherProviderName; | |
} | |
} |