1 /* 2 * Copyright (C) 2008 Esmertec AG. 3 * Copyright (C) 2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.im.plugin; 19 20 import com.android.im.engine.ImException; 21 22 /** 23 * The password digest method used in IMPS login transaction. 24 */ 25 public interface PasswordDigest { 26 /** 27 * Gets an array of supported digest schema. 28 * 29 * @return an array of digest schema 30 */ 31 String[] getSupportedDigestSchema(); 32 33 /** 34 * Generates the digest bytes of the password. 35 * 36 * @param schema The digest schema to use. 37 * @param nonce The nonce string returned by the server. 38 * @param password The user password. 39 * @return The digest bytes of the password. 40 * @throws ImException 41 */ 42 String digest(String schema, String nonce, String password) throws ImException; 43 } 44
