32 lines
1.2 KiB
Java
32 lines
1.2 KiB
Java
// 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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package org.pgpainless.decryption_verification;
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import javax.annotation.Nonnull;
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import javax.annotation.Nullable;
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import org.bouncycastle.openpgp.PGPPublicKeyRing;
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public interface MissingPublicKeyCallback {
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/**
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* This method gets called if we encounter a signature made by a key which was not provided for signature verification.
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* If you cannot provide the requested key, it is safe to return null here.
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* PGPainless will then continue verification with the next signature.
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*
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* Note: The key-id might belong to a subkey, so be aware that when looking up the {@link PGPPublicKeyRing},
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* you may not only search for the key-id on the key rings primary key!
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*
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* It would be super cool to provide the OpenPgp fingerprint here, but unfortunately one-pass-signatures
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* only contain the key id (see https://datatracker.ietf.org/doc/html/rfc4880#section-5.4)
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*
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* @param keyId ID of the missing signing (sub)key
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*
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* @return keyring containing the key or null
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*/
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@Nullable PGPPublicKeyRing onMissingPublicKeyEncountered(@Nonnull Long keyId);
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}
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