| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed 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 android.security.net.config; |
| |
| import java.util.Arrays; |
| |
| /** @hide */ |
| public final class Pin { |
| public final String digestAlgorithm; |
| public final byte[] digest; |
| |
| private final int mHashCode; |
| |
| public Pin(String digestAlgorithm, byte[] digest) { |
| this.digestAlgorithm = digestAlgorithm; |
| this.digest = digest; |
| mHashCode = Arrays.hashCode(digest) ^ digestAlgorithm.hashCode(); |
| } |
| |
| /** |
| * @hide |
| */ |
| public static boolean isSupportedDigestAlgorithm(String algorithm) { |
| // Currently only SHA-256 is supported. SHA-512 if/once Chromium networking stack |
| // supports it. |
| return "SHA-256".equalsIgnoreCase(algorithm); |
| } |
| |
| /** |
| * @hide |
| */ |
| public static int getDigestLength(String algorithm) { |
| if ("SHA-256".equalsIgnoreCase(algorithm)) { |
| return 32; |
| } |
| throw new IllegalArgumentException("Unsupported digest algorithm: " + algorithm); |
| } |
| |
| @Override |
| public int hashCode() { |
| return mHashCode; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (!(obj instanceof Pin)) { |
| return false; |
| } |
| Pin other = (Pin) obj; |
| if (other.hashCode() != mHashCode) { |
| return false; |
| } |
| if (!Arrays.equals(digest, other.digest)) { |
| return false; |
| } |
| if (!digestAlgorithm.equals(other.digestAlgorithm)) { |
| return false; |
| } |
| return true; |
| } |
| } |