1 /* 2 * Copyright 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.conscrypt; 18 19 import java.security.PublicKey; 20 import java.util.Arrays; 21 22 /** 23 * A simple but useless key class that holds X.509 public key information when 24 * the appropriate KeyFactory for the key algorithm is not available. 25 * 26 * @hide 27 */ 28 @Internal 29 public class X509PublicKey implements PublicKey { 30 private static final long serialVersionUID = -8610156854731664298L; 31 32 private final String algorithm; 33 34 private final byte[] encoded; 35 X509PublicKey(String algorithm, byte[] encoded)36 public X509PublicKey(String algorithm, byte[] encoded) { 37 this.algorithm = algorithm; 38 this.encoded = encoded; 39 } 40 41 @Override getAlgorithm()42 public String getAlgorithm() { 43 return algorithm; 44 } 45 46 @Override getFormat()47 public String getFormat() { 48 return "X.509"; 49 } 50 51 @Override getEncoded()52 public byte[] getEncoded() { 53 return encoded; 54 } 55 56 @Override toString()57 public String toString() { 58 return "X509PublicKey [algorithm=" + algorithm + ", encoded=" + Arrays.toString(encoded) 59 + "]"; 60 } 61 62 @Override hashCode()63 public int hashCode() { 64 final int prime = 31; 65 int result = 1; 66 result = prime * result + ((algorithm == null) ? 0 : algorithm.hashCode()); 67 result = prime * result + Arrays.hashCode(encoded); 68 return result; 69 } 70 71 @Override equals(Object obj)72 public boolean equals(Object obj) { 73 if (this == obj) 74 return true; 75 if (obj == null) 76 return false; 77 if (getClass() != obj.getClass()) 78 return false; 79 X509PublicKey other = (X509PublicKey) obj; 80 if (algorithm == null) { 81 if (other.algorithm != null) 82 return false; 83 } else if (!algorithm.equals(other.algorithm)) 84 return false; 85 if (!Arrays.equals(encoded, other.encoded)) 86 return false; 87 return true; 88 } 89 } 90