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Code Issues Releases Wiki Activity

Implement EncryptionOptions.addRecipient(store, fingerprint)

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This commit is contained in:
Paul Schaub 2022-08-09 15:11:18 +02:00
parent 2425f0b211
commit dd01e76980
1 changed files with 30 additions and 0 deletions
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30
pgpainless-core/src/main/java/org/pgpainless/encryption_signing/EncryptionOptions.java
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@ -4,6 +4,7 @@
package org.pgpainless.encryption_signing;
import java.io.IOException;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
@ -21,6 +22,7 @@ import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
import org.bouncycastle.openpgp.operator.PBEKeyEncryptionMethodGenerator;
import org.bouncycastle.openpgp.operator.PGPKeyEncryptionMethodGenerator;
import org.pgpainless.PGPainless;
import org.pgpainless.algorithm.EncryptionPurpose;
import org.pgpainless.algorithm.SymmetricKeyAlgorithm;
import org.pgpainless.exception.KeyException;
@ -30,6 +32,10 @@ import org.pgpainless.key.SubkeyIdentifier;
import org.pgpainless.key.info.KeyAccessor;
import org.pgpainless.key.info.KeyRingInfo;
import org.pgpainless.util.Passphrase;
import pgp.certificate_store.Certificate;
import pgp.certificate_store.CertificateStore;
import pgp.certificate_store.exception.BadDataException;
import pgp.certificate_store.exception.BadNameException;
/**
* Options for the encryption process.
@ -235,6 +241,30 @@ public class EncryptionOptions {
return this;
}
/**
* Add a recipient by providing a {@link CertificateStore} and the {@link OpenPgpFingerprint} of the recipients key.
* If no such certificate is found in the store, a {@link NoSuchElementException is thrown}.
*
* @param certificateStore certificate store
* @param certificateFingerprint fingerprint of the recipient certificate
* @return builder
* @throws BadDataException if the certificate contains bad data
* @throws BadNameException if the fingerprint is not in a recognizable form for the store
* @throws IOException in case of an IO error
* @throws NoSuchElementException if the store does not contain a certificate for the given fingerprint
*/
public EncryptionOptions addRecipient(@Nonnull CertificateStore certificateStore,
@Nonnull OpenPgpFingerprint certificateFingerprint)
throws BadDataException, BadNameException, IOException {
String fingerprint = certificateFingerprint.toString().toLowerCase();
Certificate certificateRecord = certificateStore.getCertificate(fingerprint);
if (certificateRecord == null) {
throw new NoSuchElementException("Cannot find certificate '" + certificateFingerprint + "'");
}
PGPPublicKeyRing recipientCertificate = PGPainless.readKeyRing().publicKeyRing(certificateRecord.getInputStream());
return addRecipient(recipientCertificate);
}
private void addRecipientKey(PGPPublicKeyRing keyRing, PGPPublicKey key) {
encryptionKeys.add(new SubkeyIdentifier(keyRing, key.getKeyID()));
PGPKeyEncryptionMethodGenerator encryptionMethod = ImplementationFactory