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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;
-
- public enum ChainingMode {
- // ecb - only for standard encryption
- ecb("ECB", 1, null),
- cbc("CBC", 2, "ChainingModeCBC"),
- /* Cipher feedback chaining (CFB), with an 8-bit window */
- cfb("CFB8", 3, "ChainingModeCFB");
-
- public final String jceId;
- public final int ecmaId;
- public final String xmlId;
-
- ChainingMode(String jceId, int ecmaId, String xmlId) {
- this.jceId = jceId;
- this.ecmaId = ecmaId;
- this.xmlId = xmlId;
- }
-
- public static ChainingMode fromXmlId(String xmlId) {
- for (ChainingMode cm : values()) {
- if (cm.xmlId != null && cm.xmlId.equals(xmlId)) {
- return cm;
- }
- }
- return null;
- }
- }
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