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- /* ====================================================================
- 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;
- }
- }
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