69 lines
2.1 KiB
Java
69 lines
2.1 KiB
Java
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/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.util.apk;
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import android.annotation.Nullable;
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import java.security.cert.CertificateEncodingException;
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import java.security.cert.X509Certificate;
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import java.util.Arrays;
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/**
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* For legacy reasons we need to return exactly the original encoded certificate bytes, instead
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* of letting the underlying implementation have a shot at re-encoding the data.
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*/
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class VerbatimX509Certificate extends WrappedX509Certificate {
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private final byte[] mEncodedVerbatim;
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private int mHash = -1;
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VerbatimX509Certificate(X509Certificate wrapped, byte[] encodedVerbatim) {
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super(wrapped);
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this.mEncodedVerbatim = encodedVerbatim;
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}
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@Override
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public byte[] getEncoded() throws CertificateEncodingException {
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return mEncodedVerbatim;
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}
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@Override
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public boolean equals(@Nullable Object o) {
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if (this == o) return true;
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if (!(o instanceof VerbatimX509Certificate)) return false;
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try {
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byte[] a = this.getEncoded();
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byte[] b = ((VerbatimX509Certificate) o).getEncoded();
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return Arrays.equals(a, b);
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} catch (CertificateEncodingException e) {
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return false;
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}
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}
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@Override
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public int hashCode() {
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if (mHash == -1) {
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try {
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mHash = Arrays.hashCode(this.getEncoded());
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} catch (CertificateEncodingException e) {
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mHash = 0;
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}
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}
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return mHash;
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}
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}
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