mirror of
https://github.com/pgpainless/pgpainless.git
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120 lines
3.1 KiB
Java
120 lines
3.1 KiB
Java
// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package org.pgpainless.key;
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import java.nio.Buffer;
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import java.nio.ByteBuffer;
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import javax.annotation.Nonnull;
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import org.bouncycastle.openpgp.PGPKeyRing;
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import org.bouncycastle.openpgp.PGPPublicKey;
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import org.bouncycastle.openpgp.PGPPublicKeyRing;
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import org.bouncycastle.openpgp.PGPSecretKey;
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import org.bouncycastle.openpgp.PGPSecretKeyRing;
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import org.bouncycastle.util.encoders.Hex;
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/**
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* This class represents a hex encoded, upper case OpenPGP v5 or v6 fingerprint.
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* Since both fingerprints use the same format, this class is used when parsing the fingerprint without knowing the
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* key version.
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*/
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public class _64DigitFingerprint extends OpenPgpFingerprint {
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/**
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* Create an {@link _64DigitFingerprint}.
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*
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* @param fingerprint uppercase hexadecimal fingerprint of length 64
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*/
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protected _64DigitFingerprint(@Nonnull String fingerprint) {
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super(fingerprint);
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}
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protected _64DigitFingerprint(@Nonnull byte[] bytes) {
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super(Hex.encode(bytes));
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}
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protected _64DigitFingerprint(@Nonnull PGPPublicKey key) {
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super(key);
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}
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protected _64DigitFingerprint(@Nonnull PGPSecretKey key) {
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this(key.getPublicKey());
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}
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protected _64DigitFingerprint(@Nonnull PGPPublicKeyRing ring) {
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super(ring);
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}
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protected _64DigitFingerprint(@Nonnull PGPSecretKeyRing ring) {
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super(ring);
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}
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protected _64DigitFingerprint(@Nonnull PGPKeyRing ring) {
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super(ring);
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}
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@Override
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public int getVersion() {
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return -1; // might be v5 or v6
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}
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@Override
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protected boolean isValid(@Nonnull String fp) {
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return fp.matches("^[0-9A-F]{64}$");
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}
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@Override
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public long getKeyId() {
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byte[] bytes = Hex.decode(toString().getBytes(utf8));
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ByteBuffer buf = ByteBuffer.wrap(bytes);
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// The key id is the left-most 8 bytes (conveniently a long).
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// We have to cast here in order to be compatible with java 8
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// https://github.com/eclipse/jetty.project/issues/3244
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((Buffer) buf).position(0);
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return buf.getLong();
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}
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@Override
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public String prettyPrint() {
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String fp = toString();
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StringBuilder pretty = new StringBuilder();
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for (int i = 0; i < 4; i++) {
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pretty.append(fp, i * 8, (i + 1) * 8).append(' ');
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}
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pretty.append(' ');
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for (int i = 4; i < 7; i++) {
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pretty.append(fp, i * 8, (i + 1) * 8).append(' ');
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}
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pretty.append(fp, 56, 64);
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return pretty.toString();
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}
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@Override
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public boolean equals(Object other) {
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if (other == null) {
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return false;
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}
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if (!(other instanceof CharSequence)) {
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return false;
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}
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return this.toString().equals(other.toString());
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}
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@Override
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public int hashCode() {
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return toString().hashCode();
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}
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@Override
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public int compareTo(OpenPgpFingerprint openPgpFingerprint) {
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return toString().compareTo(openPgpFingerprint.toString());
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}
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}
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