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4 changed files with 395 additions and 324 deletions
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// SPDX-FileCopyrightText: 2024 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.key.generation
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import java.security.KeyPairGenerator
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import java.util.*
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import org.bouncycastle.bcpg.PublicSubkeyPacket
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import org.bouncycastle.openpgp.PGPKeyPair
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import org.bouncycastle.openpgp.PGPPrivateKey
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import org.bouncycastle.openpgp.PGPPublicKey
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import org.bouncycastle.openpgp.PGPSignature
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import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector
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import org.pgpainless.algorithm.AlgorithmSuite
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import org.pgpainless.algorithm.CertificationType
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import org.pgpainless.algorithm.HashAlgorithm
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import org.pgpainless.algorithm.KeyFlag
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import org.pgpainless.implementation.ImplementationFactory
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import org.pgpainless.key.generation.type.KeyType
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import org.pgpainless.policy.Policy
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import org.pgpainless.provider.ProviderFactory
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import org.pgpainless.signature.builder.DirectKeySelfSignatureBuilder
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import org.pgpainless.signature.builder.PrimaryKeyBindingSignatureBuilder
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import org.pgpainless.signature.builder.SelfSignatureBuilder
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import org.pgpainless.signature.builder.SubkeyBindingSignatureBuilder
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import org.pgpainless.signature.subpackets.SelfSignatureSubpackets
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class BaseOpenPgpKeyBuilder {
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abstract class BaseV4KeyBuilder<T : BaseV4KeyBuilder<T>>(
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val type: KeyType,
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val creationTime: Date,
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val certificateCreationTime: Date = Date(),
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val policy: Policy
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) {
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internal var key = generateKeyPair()
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fun subkey(
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type: KeyType,
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creationTime: Date = certificateCreationTime
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): BaseV4SubkeyBuilder = BaseV4SubkeyBuilder(type, creationTime, policy, primaryKey())
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internal abstract fun primaryKey(): BaseV4PrimaryKeyBuilder
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private fun generateKeyPair(): PGPKeyPair {
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// Create raw Key Pair
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val keyPair =
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KeyPairGenerator.getInstance(type.name, ProviderFactory.provider)
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.also { it.initialize(type.algorithmSpec) }
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.generateKeyPair()
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// Form PGP Key Pair
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return ImplementationFactory.getInstance()
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.getPGPV4KeyPair(type.algorithm, keyPair, creationTime)
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.let { adjustKeyPacket(it) }
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}
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/**
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* Make sure, the PGP key packet is a subkey packet for subkeys, and a primary key packet
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* for primary keys.
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*/
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protected abstract fun adjustKeyPacket(keyPair: PGPKeyPair): PGPKeyPair
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}
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class BaseV4PrimaryKeyBuilder(type: KeyType, creationTime: Date, policy: Policy) :
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BaseV4KeyBuilder<BaseV4PrimaryKeyBuilder>(type, creationTime, policy = policy) {
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fun userId(
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userId: CharSequence,
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algorithmSuite: AlgorithmSuite,
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certificationType: CertificationType = CertificationType.POSITIVE,
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bindingTime: Date = creationTime,
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hashAlgorithm: HashAlgorithm =
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policy.certificationSignatureHashAlgorithmPolicy.defaultHashAlgorithm,
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subpacketsCallback: SelfSignatureSubpackets.Callback =
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SelfSignatureSubpackets.defaultCallback()
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) = apply {
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val sig =
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buildCertificationFor(
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userId, algorithmSuite, certificationType, bindingTime, hashAlgorithm, subpacketsCallback)
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key =
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PGPKeyPair(
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PGPPublicKey.addCertification(key.publicKey, userId.toString(), sig),
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key.privateKey)
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}
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fun buildCertificationFor(
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userId: CharSequence,
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algorithmSuite: AlgorithmSuite,
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certificationType: CertificationType,
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bindingTime: Date,
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hashAlgorithm: HashAlgorithm,
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subpacketsCallback: SelfSignatureSubpackets.Callback
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): PGPSignature {
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val builder =
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SelfSignatureBuilder(
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key.privateKey, key.publicKey, certificationType.signatureType, hashAlgorithm)
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builder.hashedSubpackets.apply {
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setSignatureCreationTime(bindingTime)
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setPreferredHashAlgorithms(algorithmSuite.hashAlgorithms)
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setPreferredSymmetricKeyAlgorithms(algorithmSuite.symmetricKeyAlgorithms)
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setPreferredCompressionAlgorithms(algorithmSuite.compressionAlgorithms)
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}
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builder.applyCallback(subpacketsCallback)
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return builder.build(userId)
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}
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fun userAttribute(
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userAttribute: PGPUserAttributeSubpacketVector,
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algorithmSuite: AlgorithmSuite,
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certificationType: CertificationType = CertificationType.POSITIVE,
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bindingTime: Date = creationTime,
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hashAlgorithm: HashAlgorithm =
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policy.certificationSignatureHashAlgorithmPolicy.defaultHashAlgorithm,
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subpacketsCallback: SelfSignatureSubpackets.Callback =
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SelfSignatureSubpackets.defaultCallback()
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) = apply {
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val sig =
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buildCertificationFor(
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userAttribute,
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algorithmSuite,
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certificationType,
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bindingTime,
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hashAlgorithm,
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subpacketsCallback)
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key =
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PGPKeyPair(
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PGPPublicKey.addCertification(key.publicKey, userAttribute, sig),
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key.privateKey)
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}
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fun buildCertificationFor(
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userAttribute: PGPUserAttributeSubpacketVector,
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algorithmSuite: AlgorithmSuite,
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certificationType: CertificationType,
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bindingTime: Date,
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hashAlgorithm: HashAlgorithm,
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subpacketsCallback: SelfSignatureSubpackets.Callback
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): PGPSignature {
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val builder =
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SelfSignatureBuilder(
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key.privateKey, key.publicKey, certificationType.signatureType, hashAlgorithm)
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builder.hashedSubpackets.apply {
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setSignatureCreationTime(bindingTime)
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setPreferredHashAlgorithms(algorithmSuite.hashAlgorithms)
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setPreferredSymmetricKeyAlgorithms(algorithmSuite.symmetricKeyAlgorithms)
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setPreferredCompressionAlgorithms(algorithmSuite.compressionAlgorithms)
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}
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builder.applyCallback(subpacketsCallback)
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return builder.build(userAttribute)
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}
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fun directKeySignature(
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bindingTime: Date = creationTime,
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hashAlgorithm: HashAlgorithm =
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policy.certificationSignatureHashAlgorithmPolicy.defaultHashAlgorithm(),
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subpacketsCallback: SelfSignatureSubpackets.Callback =
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SelfSignatureSubpackets.defaultCallback()
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) = apply {
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val sig = buildDirectKeySignature(bindingTime, hashAlgorithm, subpacketsCallback)
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key = PGPKeyPair(PGPPublicKey.addCertification(key.publicKey, sig), key.privateKey)
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}
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fun buildDirectKeySignature(
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bindingTime: Date,
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hashAlgorithm: HashAlgorithm,
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subpacketsCallback: SelfSignatureSubpackets.Callback
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): PGPSignature {
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val builder =
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DirectKeySelfSignatureBuilder(key.privateKey, key.publicKey, hashAlgorithm)
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builder.hashedSubpackets.setSignatureCreationTime(bindingTime)
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builder.applyCallback(subpacketsCallback)
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return builder.build()
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}
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override fun adjustKeyPacket(keyPair: PGPKeyPair): PGPKeyPair {
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return keyPair // is already a secret key packet
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}
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override fun primaryKey() = this
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}
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class BaseV4SubkeyBuilder(
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type: KeyType,
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creationTime: Date,
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policy: Policy,
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private val primaryKeyBuilder: BaseV4PrimaryKeyBuilder
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) : BaseV4KeyBuilder<BaseV4SubkeyBuilder>(type, creationTime, policy = policy) {
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fun bindingSignature(
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bindingTime: Date = creationTime,
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hashAlgorithm: HashAlgorithm =
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policy.certificationSignatureHashAlgorithmPolicy.defaultHashAlgorithm,
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subpacketsCallback: SelfSignatureSubpackets.Callback =
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SelfSignatureSubpackets.defaultCallback()
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) = apply {
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val sig = buildBindingSignature(bindingTime, hashAlgorithm, subpacketsCallback)
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key = PGPKeyPair(PGPPublicKey.addCertification(key.publicKey, sig), key.privateKey)
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}
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fun buildBindingSignature(
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bindingTime: Date = creationTime,
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hashAlgorithm: HashAlgorithm =
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policy.certificationSignatureHashAlgorithmPolicy.defaultHashAlgorithm,
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subpacketsCallback: SelfSignatureSubpackets.Callback =
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SelfSignatureSubpackets.defaultCallback()
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): PGPSignature {
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val builder =
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SubkeyBindingSignatureBuilder(
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primaryKeyBuilder.key.privateKey,
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primaryKeyBuilder.key.publicKey,
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hashAlgorithm)
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builder.hashedSubpackets.setSignatureCreationTime(bindingTime)
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builder.applyCallback(subpacketsCallback)
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// For signing-keys: Add backsig
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if (builder.hashedSubpackets.getKeyFlags().orEmpty().contains(KeyFlag.SIGN_DATA) &&
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builder.hashedSubpackets.getEmbeddedSignaturePackets().isEmpty()) {
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// Create back-sig
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val backSigBuilder =
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PrimaryKeyBindingSignatureBuilder(key.privateKey, key.publicKey, hashAlgorithm)
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backSigBuilder.hashedSubpackets.setSignatureCreationTime(bindingTime)
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val backSig = backSigBuilder.build(primaryKey().key.publicKey)
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builder.hashedSubpackets.addEmbeddedSignature(backSig)
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}
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return builder.build(key.publicKey)
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}
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override fun adjustKeyPacket(keyPair: PGPKeyPair): PGPKeyPair {
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val fpCalc = ImplementationFactory.getInstance().keyFingerprintCalculator
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val pubkey = keyPair.publicKey
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val privkey = keyPair.privateKey
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// form subkey packet
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val subkey =
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PublicSubkeyPacket(
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pubkey.algorithm, pubkey.creationTime, pubkey.publicKeyPacket.key)
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return PGPKeyPair(
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PGPPublicKey(subkey, fpCalc),
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PGPPrivateKey(pubkey.keyID, subkey, privkey.privateKeyDataPacket))
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}
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override fun primaryKey() = primaryKeyBuilder.primaryKey()
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}
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}
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@ -1,236 +1,156 @@
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// SPDX-FileCopyrightText: 2024 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.key.generation
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import java.security.KeyPairGenerator
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import java.util.*
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import org.bouncycastle.bcpg.PublicSubkeyPacket
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import org.bouncycastle.openpgp.PGPKeyPair
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import org.bouncycastle.openpgp.PGPPrivateKey
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import org.bouncycastle.openpgp.PGPPublicKey
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import org.bouncycastle.openpgp.PGPSignature
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import org.bouncycastle.openpgp.PGPSecretKey
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import org.bouncycastle.openpgp.PGPSecretKeyRing
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import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector
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import org.pgpainless.algorithm.CertificationType
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import org.pgpainless.algorithm.HashAlgorithm
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import org.bouncycastle.openpgp.operator.PBESecretKeyEncryptor
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import org.pgpainless.algorithm.AlgorithmSuite
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import org.pgpainless.algorithm.KeyFlag
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import org.pgpainless.implementation.ImplementationFactory
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import org.pgpainless.key.generation.type.KeyType
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import org.pgpainless.key.protection.SecretKeyRingProtector
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import org.pgpainless.policy.Policy
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import org.pgpainless.provider.ProviderFactory
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import org.pgpainless.signature.builder.DirectKeySelfSignatureBuilder
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import org.pgpainless.signature.builder.PrimaryKeyBindingSignatureBuilder
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import org.pgpainless.signature.builder.SelfSignatureBuilder
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import org.pgpainless.signature.builder.SubkeyBindingSignatureBuilder
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import org.pgpainless.signature.subpackets.SelfSignatureSubpackets
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class OpenPgpKeyBuilder {
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open class OpenPgpKeyBuilder(
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protected val policy: Policy,
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protected val referenceTime: Date = Date(),
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protected val keyGenerationPolicy: AlgorithmSuite = policy.keyGenerationAlgorithmSuite
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) {
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fun buildV4Key(
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type: KeyType,
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creationTime: Date = Date(),
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policy: Policy
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): V4PrimaryKeyBuilder = V4PrimaryKeyBuilder(type, creationTime, policy)
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keyType: KeyType,
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): V4OpenPgpKeyBuilder =
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V4OpenPgpKeyBuilder(keyType, policy, referenceTime, keyGenerationPolicy)
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abstract class V4KeyBuilder<T : V4KeyBuilder<T>>(
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val type: KeyType,
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val creationTime: Date,
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val certificateCreationTime: Date = Date(),
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val policy: Policy
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) {
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internal var key = generateKeyPair()
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fun subkey(type: KeyType, creationTime: Date = certificateCreationTime): V4SubkeyBuilder =
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V4SubkeyBuilder(type, creationTime, policy, primaryKey())
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internal abstract fun primaryKey(): V4PrimaryKeyBuilder
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private fun generateKeyPair(): PGPKeyPair {
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// Create raw Key Pair
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val keyPair =
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KeyPairGenerator.getInstance(type.name, ProviderFactory.provider)
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.also { it.initialize(type.algorithmSpec) }
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.generateKeyPair()
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// Form PGP Key Pair
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return ImplementationFactory.getInstance()
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.getPGPV4KeyPair(type.algorithm, keyPair, creationTime)
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.let { adjustKeyPacket(it) }
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}
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/**
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* Make sure, the PGP key packet is a subkey packet for subkeys, and a primary key packet
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* for primary keys.
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*/
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protected abstract fun adjustKeyPacket(keyPair: PGPKeyPair): PGPKeyPair
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}
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class V4PrimaryKeyBuilder(type: KeyType, creationTime: Date, policy: Policy) :
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V4KeyBuilder<V4PrimaryKeyBuilder>(type, creationTime, policy = policy) {
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fun userId(
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userId: CharSequence,
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certificationType: CertificationType = CertificationType.POSITIVE,
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bindingTime: Date = creationTime,
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hashAlgorithm: HashAlgorithm =
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policy.certificationSignatureHashAlgorithmPolicy.defaultHashAlgorithm,
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subpacketsCallback: SelfSignatureSubpackets.Callback =
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SelfSignatureSubpackets.defaultCallback()
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) = apply {
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val sig =
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buildCertificationFor(
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userId, certificationType, bindingTime, hashAlgorithm, subpacketsCallback)
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key =
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PGPKeyPair(
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PGPPublicKey.addCertification(key.publicKey, userId.toString(), sig),
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key.privateKey)
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}
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fun buildCertificationFor(
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userId: CharSequence,
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certificationType: CertificationType,
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bindingTime: Date,
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hashAlgorithm: HashAlgorithm,
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subpacketsCallback: SelfSignatureSubpackets.Callback
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): PGPSignature {
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val builder =
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SelfSignatureBuilder(
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key.privateKey, key.publicKey, certificationType.signatureType, hashAlgorithm)
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builder.hashedSubpackets.setSignatureCreationTime(bindingTime)
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builder.applyCallback(subpacketsCallback)
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return builder.build(userId)
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}
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fun userAttribute(
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userAttribute: PGPUserAttributeSubpacketVector,
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certificationType: CertificationType = CertificationType.POSITIVE,
|
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bindingTime: Date = creationTime,
|
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hashAlgorithm: HashAlgorithm =
|
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policy.certificationSignatureHashAlgorithmPolicy.defaultHashAlgorithm,
|
||||
subpacketsCallback: SelfSignatureSubpackets.Callback =
|
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SelfSignatureSubpackets.defaultCallback()
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) = apply {
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val sig =
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buildCertificationFor(
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userAttribute,
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certificationType,
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||||
bindingTime,
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||||
hashAlgorithm,
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subpacketsCallback)
|
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key =
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PGPKeyPair(
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PGPPublicKey.addCertification(key.publicKey, userAttribute, sig),
|
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key.privateKey)
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}
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|
||||
fun buildCertificationFor(
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userAttribute: PGPUserAttributeSubpacketVector,
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certificationType: CertificationType,
|
||||
bindingTime: Date,
|
||||
hashAlgorithm: HashAlgorithm,
|
||||
subpacketsCallback: SelfSignatureSubpackets.Callback
|
||||
): PGPSignature {
|
||||
val builder =
|
||||
SelfSignatureBuilder(
|
||||
key.privateKey, key.publicKey, certificationType.signatureType, hashAlgorithm)
|
||||
builder.hashedSubpackets.setSignatureCreationTime(bindingTime)
|
||||
builder.applyCallback(subpacketsCallback)
|
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return builder.build(userAttribute)
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||||
}
|
||||
|
||||
fun directKeySignature(
|
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bindingTime: Date = creationTime,
|
||||
hashAlgorithm: HashAlgorithm =
|
||||
policy.certificationSignatureHashAlgorithmPolicy.defaultHashAlgorithm(),
|
||||
subpacketsCallback: SelfSignatureSubpackets.Callback =
|
||||
SelfSignatureSubpackets.defaultCallback()
|
||||
) = apply {
|
||||
val sig = buildDirectKeySignature(bindingTime, hashAlgorithm, subpacketsCallback)
|
||||
key = PGPKeyPair(PGPPublicKey.addCertification(key.publicKey, sig), key.privateKey)
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}
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||||
|
||||
fun buildDirectKeySignature(
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bindingTime: Date,
|
||||
hashAlgorithm: HashAlgorithm,
|
||||
subpacketsCallback: SelfSignatureSubpackets.Callback
|
||||
): PGPSignature {
|
||||
val builder =
|
||||
DirectKeySelfSignatureBuilder(key.privateKey, key.publicKey, hashAlgorithm)
|
||||
|
||||
builder.hashedSubpackets.setSignatureCreationTime(bindingTime)
|
||||
builder.applyCallback(subpacketsCallback)
|
||||
|
||||
return builder.build()
|
||||
}
|
||||
|
||||
override fun adjustKeyPacket(keyPair: PGPKeyPair): PGPKeyPair {
|
||||
return keyPair // is already a secret key packet
|
||||
}
|
||||
|
||||
override fun primaryKey() = this
|
||||
}
|
||||
|
||||
class V4SubkeyBuilder(
|
||||
type: KeyType,
|
||||
creationTime: Date,
|
||||
class V4OpenPgpKeyBuilder(
|
||||
keyType: KeyType,
|
||||
policy: Policy,
|
||||
private val primaryKeyBuilder: V4PrimaryKeyBuilder
|
||||
) : V4KeyBuilder<V4SubkeyBuilder>(type, creationTime, policy = policy) {
|
||||
referenceTime: Date,
|
||||
keyGenerationPolicy: AlgorithmSuite
|
||||
) : OpenPgpKeyBuilder(policy, referenceTime, keyGenerationPolicy) {
|
||||
|
||||
fun bindingSignature(
|
||||
bindingTime: Date = creationTime,
|
||||
hashAlgorithm: HashAlgorithm =
|
||||
policy.certificationSignatureHashAlgorithmPolicy.defaultHashAlgorithm,
|
||||
private val primaryKey =
|
||||
BaseOpenPgpKeyBuilder.BaseV4PrimaryKeyBuilder(keyType, referenceTime, policy)
|
||||
|
||||
private val subkeys = mutableListOf<BaseOpenPgpKeyBuilder.BaseV4SubkeyBuilder>()
|
||||
|
||||
fun addUserId(
|
||||
userId: CharSequence,
|
||||
algorithmSuite: AlgorithmSuite = keyGenerationPolicy,
|
||||
subpacketsCallback: SelfSignatureSubpackets.Callback =
|
||||
SelfSignatureSubpackets.defaultCallback()
|
||||
) = apply { primaryKey.userId(userId, algorithmSuite, subpacketsCallback = subpacketsCallback) }
|
||||
|
||||
fun addUserAttribute(
|
||||
attribute: PGPUserAttributeSubpacketVector,
|
||||
algorithmSuite: AlgorithmSuite = keyGenerationPolicy,
|
||||
subpacketsCallback: SelfSignatureSubpackets.Callback =
|
||||
SelfSignatureSubpackets.defaultCallback()
|
||||
) = apply { primaryKey.userAttribute(attribute, algorithmSuite, subpacketsCallback = subpacketsCallback) }
|
||||
|
||||
fun addSubkey(
|
||||
keyType: KeyType,
|
||||
creationTime: Date = referenceTime,
|
||||
bindingTime: Date = creationTime,
|
||||
keyFlags: List<KeyFlag>?
|
||||
) =
|
||||
addSubkey(
|
||||
BaseOpenPgpKeyBuilder.BaseV4SubkeyBuilder(
|
||||
keyType, creationTime, policy, primaryKey),
|
||||
bindingTime,
|
||||
keyFlags)
|
||||
|
||||
fun addSubkey(
|
||||
subkeyBuilder: BaseOpenPgpKeyBuilder.BaseV4SubkeyBuilder,
|
||||
bindingTime: Date = subkeyBuilder.creationTime,
|
||||
keyFlags: List<KeyFlag>?
|
||||
) = apply {
|
||||
val sig = buildBindingSignature(bindingTime, hashAlgorithm, subpacketsCallback)
|
||||
key = PGPKeyPair(PGPPublicKey.addCertification(key.publicKey, sig), key.privateKey)
|
||||
subkeys.add(
|
||||
subkeyBuilder.also {
|
||||
it.bindingSignature(
|
||||
bindingTime,
|
||||
subpacketsCallback =
|
||||
object : SelfSignatureSubpackets.Callback {
|
||||
override fun modifyHashedSubpackets(
|
||||
hashedSubpackets: SelfSignatureSubpackets
|
||||
) {
|
||||
hashedSubpackets.setSignatureCreationTime(bindingTime)
|
||||
keyFlags?.let { flagList ->
|
||||
hashedSubpackets.setKeyFlags(flagList)
|
||||
}
|
||||
}
|
||||
})
|
||||
})
|
||||
}
|
||||
|
||||
fun buildBindingSignature(
|
||||
bindingTime: Date = creationTime,
|
||||
hashAlgorithm: HashAlgorithm =
|
||||
policy.certificationSignatureHashAlgorithmPolicy.defaultHashAlgorithm,
|
||||
subpacketsCallback: SelfSignatureSubpackets.Callback =
|
||||
SelfSignatureSubpackets.defaultCallback()
|
||||
): PGPSignature {
|
||||
val builder =
|
||||
SubkeyBindingSignatureBuilder(
|
||||
primaryKeyBuilder.key.privateKey,
|
||||
primaryKeyBuilder.key.publicKey,
|
||||
hashAlgorithm)
|
||||
fun addEncryptionSubkey(
|
||||
keyType: KeyType,
|
||||
creationTime: Date = referenceTime,
|
||||
bindingTime: Date = creationTime
|
||||
) =
|
||||
addSubkey(
|
||||
keyType,
|
||||
creationTime,
|
||||
bindingTime,
|
||||
listOf(KeyFlag.ENCRYPT_STORAGE, KeyFlag.ENCRYPT_COMMS))
|
||||
|
||||
builder.hashedSubpackets.setSignatureCreationTime(bindingTime)
|
||||
builder.applyCallback(subpacketsCallback)
|
||||
fun addSigningSubkey(
|
||||
keyType: KeyType,
|
||||
creationTime: Date = referenceTime,
|
||||
bindingTime: Date = creationTime
|
||||
) = addSubkey(keyType, creationTime, bindingTime, listOf(KeyFlag.SIGN_DATA))
|
||||
|
||||
if (builder.hashedSubpackets.getKeyFlags().orEmpty().contains(KeyFlag.SIGN_DATA) &&
|
||||
builder.hashedSubpackets.getEmbeddedSignaturePackets().isEmpty()) {
|
||||
fun build(
|
||||
protector: SecretKeyRingProtector = SecretKeyRingProtector.unprotectedKeys()
|
||||
): PGPSecretKeyRing {
|
||||
return PGPSecretKeyRing(
|
||||
mutableListOf(
|
||||
PGPSecretKey(
|
||||
primaryKey.key.privateKey,
|
||||
primaryKey.key.publicKey,
|
||||
ImplementationFactory.getInstance().v4FingerprintCalculator,
|
||||
true,
|
||||
protector.getEncryptor(primaryKey.key.keyID)))
|
||||
.plus(
|
||||
subkeys.map {
|
||||
PGPSecretKey(
|
||||
it.key.privateKey,
|
||||
it.key.publicKey,
|
||||
ImplementationFactory.getInstance().v4FingerprintCalculator,
|
||||
false,
|
||||
protector.getEncryptor(it.key.keyID))
|
||||
}))
|
||||
}
|
||||
|
||||
// Create back-sig
|
||||
val backSigBuilder =
|
||||
PrimaryKeyBindingSignatureBuilder(key.privateKey, key.publicKey, hashAlgorithm)
|
||||
|
||||
backSigBuilder.hashedSubpackets.setSignatureCreationTime(bindingTime)
|
||||
|
||||
val backSig = backSigBuilder.build(primaryKey().key.publicKey)
|
||||
builder.hashedSubpackets.addEmbeddedSignature(backSig)
|
||||
private fun defaultPrimarySubpacketsCallback(): SelfSignatureSubpackets.Callback =
|
||||
object : SelfSignatureSubpackets.Callback {
|
||||
override fun modifyHashedSubpackets(hashedSubpackets: SelfSignatureSubpackets) {
|
||||
hashedSubpackets.apply {
|
||||
setPreferredHashAlgorithms(keyGenerationPolicy.hashAlgorithms)
|
||||
setPreferredSymmetricKeyAlgorithms(keyGenerationPolicy.symmetricKeyAlgorithms)
|
||||
setPreferredCompressionAlgorithms(keyGenerationPolicy.compressionAlgorithms)
|
||||
setKeyFlags(KeyFlag.CERTIFY_OTHER)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return builder.build(key.publicKey)
|
||||
private fun toSecretKey(
|
||||
key: BaseOpenPgpKeyBuilder.BaseV4KeyBuilder<*>,
|
||||
isPrimaryKey: Boolean,
|
||||
encryptor: PBESecretKeyEncryptor?
|
||||
): PGPSecretKey {
|
||||
return PGPSecretKey(
|
||||
key.key.privateKey,
|
||||
key.key.publicKey,
|
||||
ImplementationFactory.getInstance().v4FingerprintCalculator,
|
||||
isPrimaryKey,
|
||||
encryptor)
|
||||
}
|
||||
|
||||
override fun adjustKeyPacket(keyPair: PGPKeyPair): PGPKeyPair {
|
||||
val fpCalc = ImplementationFactory.getInstance().keyFingerprintCalculator
|
||||
val pubkey = keyPair.publicKey
|
||||
val privkey = keyPair.privateKey
|
||||
// form subkey packet
|
||||
val subkey =
|
||||
PublicSubkeyPacket(
|
||||
pubkey.algorithm, pubkey.creationTime, pubkey.publicKeyPacket.key)
|
||||
return PGPKeyPair(
|
||||
PGPPublicKey(subkey, fpCalc),
|
||||
PGPPrivateKey(pubkey.keyID, subkey, privkey.privateKeyDataPacket))
|
||||
}
|
||||
|
||||
override fun primaryKey() = primaryKeyBuilder.primaryKey()
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,109 +0,0 @@
|
|||
package org.pgpainless.key.generation
|
||||
|
||||
import java.util.*
|
||||
import org.bouncycastle.openpgp.PGPSecretKey
|
||||
import org.bouncycastle.openpgp.PGPSecretKeyRing
|
||||
import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector
|
||||
import org.pgpainless.algorithm.AlgorithmSuite
|
||||
import org.pgpainless.algorithm.KeyFlag
|
||||
import org.pgpainless.implementation.ImplementationFactory
|
||||
import org.pgpainless.key.generation.type.KeyType
|
||||
import org.pgpainless.key.protection.SecretKeyRingProtector
|
||||
import org.pgpainless.policy.Policy
|
||||
import org.pgpainless.signature.subpackets.SelfSignatureSubpackets
|
||||
|
||||
class OpenPgpV4KeyGenerator(
|
||||
keyType: KeyType,
|
||||
private val policy: Policy,
|
||||
private val referenceTime: Date = Date(),
|
||||
private val keyGenerationPolicy: AlgorithmSuite = policy.keyGenerationAlgorithmSuite
|
||||
) {
|
||||
|
||||
private val primaryKey = OpenPgpKeyBuilder.V4PrimaryKeyBuilder(keyType, referenceTime, policy)
|
||||
private val subkeys = mutableListOf<OpenPgpKeyBuilder.V4SubkeyBuilder>()
|
||||
|
||||
fun addUserId(
|
||||
userId: CharSequence,
|
||||
subpacketsCallback: SelfSignatureSubpackets.Callback =
|
||||
SelfSignatureSubpackets.defaultCallback()
|
||||
) = apply { primaryKey.userId(userId, subpacketsCallback = subpacketsCallback) }
|
||||
|
||||
fun addUserAttribute(
|
||||
attribute: PGPUserAttributeSubpacketVector,
|
||||
subpacketsCallback: SelfSignatureSubpackets.Callback =
|
||||
SelfSignatureSubpackets.defaultCallback()
|
||||
) = apply {
|
||||
primaryKey.userAttribute(attribute, subpacketsCallback = subpacketsCallback)
|
||||
}
|
||||
|
||||
fun addSubkey(
|
||||
keyType: KeyType,
|
||||
creationTime: Date = referenceTime,
|
||||
bindingTime: Date = creationTime
|
||||
) =
|
||||
addSubkey(
|
||||
OpenPgpKeyBuilder.V4SubkeyBuilder(keyType, creationTime, policy, primaryKey),
|
||||
bindingTime)
|
||||
|
||||
fun addSubkey(
|
||||
subkeyBuilder: OpenPgpKeyBuilder.V4SubkeyBuilder,
|
||||
bindingTime: Date = subkeyBuilder.creationTime
|
||||
) = apply { subkeys.add(subkeyBuilder) }
|
||||
|
||||
fun addEncryptionSubkey(
|
||||
keyType: KeyType,
|
||||
creationTime: Date = referenceTime,
|
||||
bindingTime: Date = creationTime
|
||||
) =
|
||||
addSubkey(
|
||||
OpenPgpKeyBuilder.V4SubkeyBuilder(keyType, creationTime, policy, primaryKey)
|
||||
.bindingSignature(
|
||||
subpacketsCallback =
|
||||
object : SelfSignatureSubpackets.Callback {
|
||||
override fun modifyHashedSubpackets(
|
||||
hashedSubpackets: SelfSignatureSubpackets
|
||||
) {
|
||||
hashedSubpackets.setSignatureCreationTime(bindingTime)
|
||||
hashedSubpackets.setKeyFlags(
|
||||
KeyFlag.ENCRYPT_STORAGE, KeyFlag.ENCRYPT_COMMS)
|
||||
}
|
||||
}))
|
||||
|
||||
fun addSigningSubkey(
|
||||
keyType: KeyType,
|
||||
creationTime: Date = referenceTime,
|
||||
bindingTime: Date = creationTime
|
||||
) =
|
||||
addSubkey(
|
||||
OpenPgpKeyBuilder.V4SubkeyBuilder(keyType, creationTime, policy, primaryKey)
|
||||
.bindingSignature(
|
||||
subpacketsCallback =
|
||||
object : SelfSignatureSubpackets.Callback {
|
||||
override fun modifyHashedSubpackets(
|
||||
hashedSubpackets: SelfSignatureSubpackets
|
||||
) {
|
||||
hashedSubpackets.setSignatureCreationTime(bindingTime)
|
||||
hashedSubpackets.setKeyFlags(KeyFlag.SIGN_DATA)
|
||||
}
|
||||
}))
|
||||
|
||||
fun build(protector: SecretKeyRingProtector): PGPSecretKeyRing {
|
||||
return PGPSecretKeyRing(
|
||||
mutableListOf(
|
||||
PGPSecretKey(
|
||||
primaryKey.key.privateKey,
|
||||
primaryKey.key.publicKey,
|
||||
ImplementationFactory.getInstance().v4FingerprintCalculator,
|
||||
true,
|
||||
protector.getEncryptor(primaryKey.key.keyID)))
|
||||
.plus(
|
||||
subkeys.map {
|
||||
PGPSecretKey(
|
||||
it.key.privateKey,
|
||||
it.key.publicKey,
|
||||
ImplementationFactory.getInstance().v4FingerprintCalculator,
|
||||
false,
|
||||
protector.getEncryptor(it.key.keyID))
|
||||
}))
|
||||
}
|
||||
}
|
||||
|
|
@ -11,22 +11,29 @@ import org.pgpainless.key.protection.SecretKeyRingProtector
|
|||
import org.pgpainless.policy.Policy
|
||||
import org.pgpainless.util.DateUtil
|
||||
|
||||
class OpenPgpV4KeyGeneratorTest {
|
||||
class OpenPgpKeyBuilderTest {
|
||||
|
||||
@Test
|
||||
fun test() {
|
||||
val date = DateUtil.parseUTCDate("2020-04-01 10:00:00 UTC")
|
||||
val key =
|
||||
OpenPgpV4KeyGenerator(
|
||||
KeyType.EDDSA(EdDSACurve._Ed25519), Policy.getInstance(), referenceTime = date)
|
||||
val key = OpenPgpKeyBuilder(Policy.getInstance(), date)
|
||||
.buildV4Key(KeyType.EDDSA(EdDSACurve._Ed25519))
|
||||
.addUserId("Alice")
|
||||
.addUserAttribute(
|
||||
PGPUserAttributeSubpacketVectorGenerator().apply {
|
||||
setImageAttribute(ImageAttribute.JPEG, byteArrayOf())
|
||||
}.generate())
|
||||
PGPUserAttributeSubpacketVectorGenerator()
|
||||
.apply { setImageAttribute(ImageAttribute.JPEG, byteArrayOf()) }
|
||||
.generate())
|
||||
.addEncryptionSubkey(KeyType.XDH(XDHSpec._X25519))
|
||||
.addSigningSubkey(KeyType.EDDSA(EdDSACurve._Ed25519))
|
||||
.build(SecretKeyRingProtector.unprotectedKeys())
|
||||
println(PGPainless.asciiArmor(key))
|
||||
}
|
||||
|
||||
@Test
|
||||
fun minimal() {
|
||||
val key = OpenPgpKeyBuilder(Policy.getInstance())
|
||||
.buildV4Key(KeyType.EDDSA(EdDSACurve._Ed25519))
|
||||
.build()
|
||||
println(PGPainless.asciiArmor(key))
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue