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Code Issues Releases Wiki Activity

Add methods to access delegations and 3rd-party certifications from keys

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This commit is contained in:
Paul Schaub 2023-06-24 10:13:00 +02:00
parent cb594c3b2c
commit 42c1765941
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
1 changed files with 50 additions and 0 deletions
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pgpainless-core/src/main/java/org/pgpainless/signature/SignatureUtils.java
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@ -23,6 +23,7 @@ import org.bouncycastle.openpgp.PGPCompressedData;
import org.bouncycastle.openpgp.PGPException; import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPObjectFactory; import org.bouncycastle.openpgp.PGPObjectFactory;
import org.bouncycastle.openpgp.PGPPublicKey; import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPSignature; import org.bouncycastle.openpgp.PGPSignature;
import org.bouncycastle.openpgp.PGPSignatureList; import org.bouncycastle.openpgp.PGPSignatureList;
import org.bouncycastle.util.encoders.Hex; import org.bouncycastle.util.encoders.Hex;
@ -307,4 +308,53 @@ public final class SignatureUtils {
return Collections.unmodifiableList(signaturesByKeyId); return Collections.unmodifiableList(signaturesByKeyId);
} }
public static @Nonnull List<PGPSignature> getDelegations(PGPPublicKeyRing key) {
List<PGPSignature> delegations = new ArrayList<>();
PGPPublicKey primaryKey = key.getPublicKey();
Iterator<PGPSignature> signatures = primaryKey.getKeySignatures();
outerloop: while (signatures.hasNext()) {
PGPSignature signature = signatures.next();
Iterator<PGPPublicKey> subkeys = key.getPublicKeys();
while (subkeys.hasNext()) {
if (signature.getKeyID() == subkeys.next().getKeyID()) {
continue outerloop;
}
}
delegations.add(signature);
}
return delegations;
}
public static @Nonnull List<PGPSignature> get3rdPartyCertificationsFor(String userId, PGPPublicKeyRing key) {
PGPPublicKey primaryKey = key.getPublicKey();
List<PGPSignature> certifications = new ArrayList<>();
Iterator<PGPSignature> it = primaryKey.getSignaturesForID(userId);
while (it.hasNext()) {
PGPSignature sig = it.next();
if (sig.getKeyID() != primaryKey.getKeyID()) {
certifications.add(sig);
}
}
return certifications;
}
public static class Certification {
private final String userId;
private final PGPSignature signature;
public Certification(String userId, PGPSignature signature) {
this.userId = userId;
this.signature = signature;
}
public String getUserId() {
return userId;
}
public PGPSignature getSignature() {
return signature;
}
}
} }