| /* ==================================================================== |
| 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; |
| } |
| } |