| /* |
| * Copyright (C) 2018 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.util.apk; |
| |
| import java.security.cert.CertificateEncodingException; |
| import java.security.cert.X509Certificate; |
| import java.util.Arrays; |
| |
| /** |
| * For legacy reasons we need to return exactly the original encoded certificate bytes, instead |
| * of letting the underlying implementation have a shot at re-encoding the data. |
| */ |
| class VerbatimX509Certificate extends WrappedX509Certificate { |
| private final byte[] mEncodedVerbatim; |
| private int mHash = -1; |
| |
| VerbatimX509Certificate(X509Certificate wrapped, byte[] encodedVerbatim) { |
| super(wrapped); |
| this.mEncodedVerbatim = encodedVerbatim; |
| } |
| |
| @Override |
| public byte[] getEncoded() throws CertificateEncodingException { |
| return mEncodedVerbatim; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (!(o instanceof VerbatimX509Certificate)) return false; |
| |
| try { |
| byte[] a = this.getEncoded(); |
| byte[] b = ((VerbatimX509Certificate) o).getEncoded(); |
| return Arrays.equals(a, b); |
| } catch (CertificateEncodingException e) { |
| return false; |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| if (mHash == -1) { |
| try { |
| mHash = Arrays.hashCode(this.getEncoded()); |
| } catch (CertificateEncodingException e) { |
| mHash = 0; |
| } |
| } |
| return mHash; |
| } |
| } |