160 lines
5.7 KiB
Java
160 lines
5.7 KiB
Java
/*
|
|
* Copyright 2018 Paul Schaub.
|
|
*
|
|
* 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 org.pgpainless.decryption_verification;
|
|
|
|
import java.util.Collections;
|
|
import java.util.HashSet;
|
|
import java.util.Set;
|
|
|
|
import org.bouncycastle.openpgp.PGPPublicKey;
|
|
import org.bouncycastle.openpgp.PGPPublicKeyRing;
|
|
import org.pgpainless.algorithm.CompressionAlgorithm;
|
|
import org.pgpainless.algorithm.SymmetricKeyAlgorithm;
|
|
import org.pgpainless.key.OpenPgpV4Fingerprint;
|
|
|
|
public class PainlessResult {
|
|
|
|
private final Set<Long> recipientKeyIds;
|
|
private final OpenPgpV4Fingerprint decryptionFingerprint;
|
|
private final Set<Long> unverifiedSignatureKeyIds;
|
|
private final Set<OpenPgpV4Fingerprint> verifiedSignaturesFingerprints;
|
|
|
|
private final SymmetricKeyAlgorithm symmetricKeyAlgorithm;
|
|
private final CompressionAlgorithm compressionAlgorithm;
|
|
private final boolean integrityProtected;
|
|
|
|
public PainlessResult(Set<Long> recipientKeyIds,
|
|
OpenPgpV4Fingerprint decryptionFingerprint,
|
|
SymmetricKeyAlgorithm symmetricKeyAlgorithm,
|
|
CompressionAlgorithm algorithm,
|
|
boolean integrityProtected,
|
|
Set<Long> unverifiedSignatureKeyIds,
|
|
Set<OpenPgpV4Fingerprint> verifiedSignaturesFingerprints) {
|
|
|
|
this.recipientKeyIds = Collections.unmodifiableSet(recipientKeyIds);
|
|
this.decryptionFingerprint = decryptionFingerprint;
|
|
this.symmetricKeyAlgorithm = symmetricKeyAlgorithm;
|
|
this.compressionAlgorithm = algorithm;
|
|
this.integrityProtected = integrityProtected;
|
|
this.unverifiedSignatureKeyIds = Collections.unmodifiableSet(unverifiedSignatureKeyIds);
|
|
this.verifiedSignaturesFingerprints = Collections.unmodifiableSet(verifiedSignaturesFingerprints);
|
|
}
|
|
|
|
public Set<Long> getRecipientKeyIds() {
|
|
return recipientKeyIds;
|
|
}
|
|
|
|
public boolean isEncrypted() {
|
|
return !getRecipientKeyIds().isEmpty();
|
|
}
|
|
|
|
public OpenPgpV4Fingerprint getDecryptionFingerprint() {
|
|
return decryptionFingerprint;
|
|
}
|
|
|
|
public SymmetricKeyAlgorithm getSymmetricKeyAlgorithm() {
|
|
return symmetricKeyAlgorithm;
|
|
}
|
|
|
|
public CompressionAlgorithm getCompressionAlgorithm() {
|
|
return compressionAlgorithm;
|
|
}
|
|
|
|
public boolean isIntegrityProtected() {
|
|
return integrityProtected;
|
|
}
|
|
|
|
public Set<Long> getAllSignatureKeyFingerprints() {
|
|
return unverifiedSignatureKeyIds;
|
|
}
|
|
|
|
public boolean isSigned() {
|
|
return !unverifiedSignatureKeyIds.isEmpty();
|
|
}
|
|
|
|
public Set<OpenPgpV4Fingerprint> getVerifiedSignaturesFingerprints() {
|
|
return verifiedSignaturesFingerprints;
|
|
}
|
|
|
|
public boolean isVerified() {
|
|
return !verifiedSignaturesFingerprints.isEmpty();
|
|
}
|
|
|
|
public boolean containsVerifiedSignatureFrom(PGPPublicKeyRing publicKeys) {
|
|
for (PGPPublicKey key : publicKeys) {
|
|
OpenPgpV4Fingerprint fingerprint = new OpenPgpV4Fingerprint(key);
|
|
if (verifiedSignaturesFingerprints.contains(fingerprint)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static Builder getBuilder() {
|
|
return new Builder();
|
|
}
|
|
|
|
static class Builder {
|
|
|
|
private final Set<Long> recipientFingerprints = new HashSet<>();
|
|
private OpenPgpV4Fingerprint decryptionFingerprint;
|
|
private final Set<Long> unverifiedSignatureKeyIds = new HashSet<>();
|
|
private final Set<OpenPgpV4Fingerprint> verifiedSignatureFingerprints = new HashSet<>();
|
|
private SymmetricKeyAlgorithm symmetricKeyAlgorithm = SymmetricKeyAlgorithm.NULL;
|
|
private CompressionAlgorithm compressionAlgorithm = CompressionAlgorithm.UNCOMPRESSED;
|
|
private boolean integrityProtected = false;
|
|
|
|
public Builder addRecipientKeyId(Long keyId) {
|
|
this.recipientFingerprints.add(keyId);
|
|
return this;
|
|
}
|
|
|
|
public Builder setDecryptionFingerprint(OpenPgpV4Fingerprint fingerprint) {
|
|
this.decryptionFingerprint = fingerprint;
|
|
return this;
|
|
}
|
|
|
|
public Builder setCompressionAlgorithm(CompressionAlgorithm algorithm) {
|
|
this.compressionAlgorithm = algorithm;
|
|
return this;
|
|
}
|
|
|
|
public Builder addUnverifiedSignatureKeyId(Long keyId) {
|
|
this.unverifiedSignatureKeyIds.add(keyId);
|
|
return this;
|
|
}
|
|
|
|
public Builder addVerifiedSignatureFingerprint(OpenPgpV4Fingerprint fingerprint) {
|
|
this.verifiedSignatureFingerprints.add(fingerprint);
|
|
return this;
|
|
}
|
|
|
|
public Builder setSymmetricKeyAlgorithm(SymmetricKeyAlgorithm symmetricKeyAlgorithm) {
|
|
this.symmetricKeyAlgorithm = symmetricKeyAlgorithm;
|
|
return this;
|
|
}
|
|
|
|
public Builder setIntegrityProtected(boolean integrityProtected) {
|
|
this.integrityProtected = integrityProtected;
|
|
return this;
|
|
}
|
|
|
|
public PainlessResult build() {
|
|
return new PainlessResult(recipientFingerprints, decryptionFingerprint, symmetricKeyAlgorithm, compressionAlgorithm, integrityProtected, unverifiedSignatureKeyIds, verifiedSignatureFingerprints);
|
|
}
|
|
}
|
|
}
|