53 lines
1.9 KiB
Kotlin
53 lines
1.9 KiB
Kotlin
// SPDX-FileCopyrightText: 2023 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.builder
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import java.util.function.Predicate
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import org.bouncycastle.openpgp.PGPException
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import org.bouncycastle.openpgp.PGPSecretKey
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import org.bouncycastle.openpgp.PGPSignature
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import org.bouncycastle.openpgp.PGPSignatureGenerator
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import org.pgpainless.algorithm.SignatureType
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import org.pgpainless.key.protection.SecretKeyRingProtector
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import org.pgpainless.signature.subpackets.SignatureSubpackets
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/**
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* Signature builder without restrictions on subpacket contents. Instead of providing a "build"
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* method, this builder offers the user to decide on their own, how to generate the signature by
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* exposing the [PGPSignatureGenerator] via [signatureGenerator].
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*/
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class UniversalSignatureBuilder : AbstractSignatureBuilder<UniversalSignatureBuilder> {
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override val signatureTypePredicate: Predicate<SignatureType>
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get() = Predicate<SignatureType> { true }
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@Throws(PGPException::class)
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constructor(
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signatureType: SignatureType,
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signingKey: PGPSecretKey,
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protector: SecretKeyRingProtector
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) : super(signatureType, signingKey, protector)
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@Throws(PGPException::class)
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constructor(
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signingKey: PGPSecretKey,
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protector: SecretKeyRingProtector,
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archetypeSignature: PGPSignature
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) : super(signingKey, protector, archetypeSignature)
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val hashedSubpackets: SignatureSubpackets = _hashedSubpackets
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val unhashedSubpackets: SignatureSubpackets = _unhashedSubpackets
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fun applyCallback(callback: SignatureSubpackets.Callback?) = apply {
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callback?.let {
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it.modifyHashedSubpackets(hashedSubpackets)
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it.modifyUnhashedSubpackets(unhashedSubpackets)
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}
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}
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val signatureGenerator: PGPSignatureGenerator
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@Throws(PGPException::class) get() = buildAndInitSignatureGenerator()
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}
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