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Kotlin conversion: SignatureSubpacketsHelper
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GPG key ID:
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4 changed files with 161 additions and 210 deletions
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// SPDX-FileCopyrightText: 2021 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.signature.subpackets;
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import org.bouncycastle.bcpg.SignatureSubpacket;
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import org.bouncycastle.bcpg.sig.EmbeddedSignature;
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import org.bouncycastle.bcpg.sig.Exportable;
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import org.bouncycastle.bcpg.sig.Features;
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import org.bouncycastle.bcpg.sig.IntendedRecipientFingerprint;
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import org.bouncycastle.bcpg.sig.KeyExpirationTime;
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import org.bouncycastle.bcpg.sig.KeyFlags;
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import org.bouncycastle.bcpg.sig.NotationData;
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import org.bouncycastle.bcpg.sig.PolicyURI;
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import org.bouncycastle.bcpg.sig.PreferredAlgorithms;
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import org.bouncycastle.bcpg.sig.PrimaryUserID;
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import org.bouncycastle.bcpg.sig.RegularExpression;
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import org.bouncycastle.bcpg.sig.Revocable;
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import org.bouncycastle.bcpg.sig.RevocationKey;
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import org.bouncycastle.bcpg.sig.RevocationReason;
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import org.bouncycastle.bcpg.sig.SignatureExpirationTime;
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import org.bouncycastle.bcpg.sig.SignatureTarget;
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import org.bouncycastle.bcpg.sig.SignerUserID;
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import org.bouncycastle.bcpg.sig.TrustSignature;
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import org.bouncycastle.openpgp.PGPSignatureSubpacketGenerator;
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import org.bouncycastle.openpgp.PGPSignatureSubpacketVector;
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import org.pgpainless.algorithm.Feature;
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import org.pgpainless.algorithm.HashAlgorithm;
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import org.pgpainless.algorithm.KeyFlag;
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import org.pgpainless.algorithm.PublicKeyAlgorithm;
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import org.pgpainless.key.util.RevocationAttributes;
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public class SignatureSubpacketsHelper {
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public static SignatureSubpackets applyFrom(PGPSignatureSubpacketVector vector, SignatureSubpackets subpackets) {
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for (SignatureSubpacket subpacket : vector.toArray()) {
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org.pgpainless.algorithm.SignatureSubpacket type = org.pgpainless.algorithm.SignatureSubpacket.requireFromCode(subpacket.getType());
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switch (type) {
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case signatureCreationTime:
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case issuerKeyId:
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case issuerFingerprint:
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// ignore, we override this anyways
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break;
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case signatureExpirationTime:
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SignatureExpirationTime sigExpTime = (SignatureExpirationTime) subpacket;
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subpackets.setSignatureExpirationTime(sigExpTime.isCritical(), sigExpTime.getTime());
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break;
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case exportableCertification:
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Exportable exp = (Exportable) subpacket;
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subpackets.setExportable(exp.isCritical(), exp.isExportable());
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break;
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case trustSignature:
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TrustSignature trustSignature = (TrustSignature) subpacket;
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subpackets.setTrust(trustSignature.isCritical(), trustSignature.getDepth(), trustSignature.getTrustAmount());
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break;
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case revocable:
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Revocable rev = (Revocable) subpacket;
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subpackets.setRevocable(rev.isCritical(), rev.isRevocable());
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break;
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case keyExpirationTime:
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KeyExpirationTime keyExpTime = (KeyExpirationTime) subpacket;
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subpackets.setKeyExpirationTime(keyExpTime.isCritical(), keyExpTime.getTime());
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break;
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case preferredSymmetricAlgorithms:
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subpackets.setPreferredSymmetricKeyAlgorithms((PreferredAlgorithms) subpacket);
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break;
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case revocationKey:
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RevocationKey revocationKey = (RevocationKey) subpacket;
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subpackets.addRevocationKey(revocationKey);
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break;
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case notationData:
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NotationData notationData = (NotationData) subpacket;
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subpackets.addNotationData(notationData.isCritical(), notationData.getNotationName(), notationData.getNotationValue());
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break;
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case preferredHashAlgorithms:
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subpackets.setPreferredHashAlgorithms((PreferredAlgorithms) subpacket);
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break;
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case preferredCompressionAlgorithms:
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subpackets.setPreferredCompressionAlgorithms((PreferredAlgorithms) subpacket);
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break;
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case primaryUserId:
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PrimaryUserID primaryUserID = (PrimaryUserID) subpacket;
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subpackets.setPrimaryUserId(primaryUserID);
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break;
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case keyFlags:
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KeyFlags flags = (KeyFlags) subpacket;
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subpackets.setKeyFlags(flags.isCritical(), KeyFlag.fromBitmask(flags.getFlags()).toArray(new KeyFlag[0]));
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break;
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case signerUserId:
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SignerUserID signerUserID = (SignerUserID) subpacket;
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subpackets.setSignerUserId(signerUserID.isCritical(), signerUserID.getID());
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break;
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case revocationReason:
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RevocationReason reason = (RevocationReason) subpacket;
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subpackets.setRevocationReason(reason.isCritical(),
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RevocationAttributes.Reason.fromCode(reason.getRevocationReason()),
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reason.getRevocationDescription());
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break;
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case features:
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Features f = (Features) subpacket;
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subpackets.setFeatures(f.isCritical(), Feature.fromBitmask(f.getData()[0]).toArray(new Feature[0]));
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break;
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case signatureTarget:
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SignatureTarget target = (SignatureTarget) subpacket;
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subpackets.setSignatureTarget(target.isCritical(),
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PublicKeyAlgorithm.requireFromId(target.getPublicKeyAlgorithm()),
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HashAlgorithm.requireFromId(target.getHashAlgorithm()),
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target.getHashData());
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break;
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case embeddedSignature:
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EmbeddedSignature embeddedSignature = (EmbeddedSignature) subpacket;
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subpackets.addEmbeddedSignature(embeddedSignature);
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break;
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case intendedRecipientFingerprint:
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IntendedRecipientFingerprint intendedRecipientFingerprint = (IntendedRecipientFingerprint) subpacket;
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subpackets.addIntendedRecipientFingerprint(intendedRecipientFingerprint);
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break;
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case policyUrl:
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PolicyURI policyURI = (PolicyURI) subpacket;
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subpackets.setPolicyUrl(policyURI);
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break;
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case regularExpression:
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RegularExpression regex = (RegularExpression) subpacket;
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subpackets.setRegularExpression(regex);
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break;
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case keyServerPreferences:
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case preferredKeyServers:
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case placeholder:
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case preferredAEADAlgorithms:
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case attestedCertification:
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subpackets.addResidualSubpacket(subpacket);
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break;
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}
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}
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return subpackets;
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}
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public static PGPSignatureSubpacketGenerator applyTo(SignatureSubpackets subpackets, PGPSignatureSubpacketGenerator generator) {
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addSubpacket(generator, subpackets.getIssuerKeyIdSubpacket());
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addSubpacket(generator, subpackets.getIssuerFingerprintSubpacket());
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addSubpacket(generator, subpackets.getSignatureCreationTimeSubpacket());
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addSubpacket(generator, subpackets.getSignatureExpirationTimeSubpacket());
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addSubpacket(generator, subpackets.getExportableSubpacket());
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addSubpacket(generator, subpackets.getPolicyURISubpacket());
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addSubpacket(generator, subpackets.getRegularExpressionSubpacket());
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for (NotationData notationData : subpackets.getNotationDataSubpackets()) {
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addSubpacket(generator, notationData);
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}
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for (IntendedRecipientFingerprint intendedRecipientFingerprint : subpackets.getIntendedRecipientFingerprintSubpackets()) {
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addSubpacket(generator, intendedRecipientFingerprint);
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}
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for (RevocationKey revocationKey : subpackets.getRevocationKeySubpackets()) {
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addSubpacket(generator, revocationKey);
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}
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addSubpacket(generator, subpackets.getSignatureTargetSubpacket());
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addSubpacket(generator, subpackets.getFeaturesSubpacket());
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addSubpacket(generator, subpackets.getKeyFlagsSubpacket());
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addSubpacket(generator, subpackets.getTrustSubpacket());
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addSubpacket(generator, subpackets.getPreferredCompressionAlgorithmsSubpacket());
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addSubpacket(generator, subpackets.getPreferredSymmetricKeyAlgorithmsSubpacket());
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addSubpacket(generator, subpackets.getPreferredHashAlgorithmsSubpacket());
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for (EmbeddedSignature embeddedSignature : subpackets.getEmbeddedSignatureSubpackets()) {
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addSubpacket(generator, embeddedSignature);
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}
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addSubpacket(generator, subpackets.getSignerUserIdSubpacket());
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addSubpacket(generator, subpackets.getKeyExpirationTimeSubpacket());
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addSubpacket(generator, subpackets.getPrimaryUserIdSubpacket());
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addSubpacket(generator, subpackets.getRevocableSubpacket());
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addSubpacket(generator, subpackets.getRevocationReasonSubpacket());
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for (SignatureSubpacket subpacket : subpackets.getResidualSubpackets()) {
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addSubpacket(generator, subpacket);
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}
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return generator;
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}
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private static void addSubpacket(PGPSignatureSubpacketGenerator generator, SignatureSubpacket subpacket) {
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if (subpacket != null) {
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generator.addCustomSubpacket(subpacket);
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}
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}
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public static PGPSignatureSubpacketVector toVector(SignatureSubpackets subpackets) {
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PGPSignatureSubpacketGenerator generator = new PGPSignatureSubpacketGenerator();
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applyTo(subpackets, generator);
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return generator.generate();
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}
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public static PGPSignatureSubpacketVector toVector(RevocationSignatureSubpackets subpackets) {
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PGPSignatureSubpacketGenerator generator = new PGPSignatureSubpacketGenerator();
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applyTo((SignatureSubpackets) subpackets, generator);
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return generator.generate();
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}
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}
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@ -1,8 +0,0 @@
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// SPDX-FileCopyrightText: 2018 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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/**
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* Classes related to OpenPGP signatures.
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*/
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package org.pgpainless.signature.subpackets;
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