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WIP: Work on new key generation API
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3 changed files with 242 additions and 0 deletions
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package org.pgpainless.key.generation
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import org.bouncycastle.openpgp.PGPKeyPair
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import org.bouncycastle.openpgp.PGPSecretKeyRing
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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.generation.type.eddsa.EdDSACurve
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import org.pgpainless.key.generation.type.rsa.RsaLength
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import org.pgpainless.key.generation.type.xdh.XDHSpec
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import org.pgpainless.provider.ProviderFactory
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import java.security.KeyPairGenerator
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import java.util.Date
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class OpenPgpKeyBuilder {
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fun buildV4Key(
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type: KeyType,
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creationTime: Date = Date()
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): V4PrimaryKeyBuilder = V4PrimaryKeyBuilder(type, creationTime)
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abstract class V4KeyBuilder<T: V4KeyBuilder<T>>(
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protected val type: KeyType,
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protected val creationTime: Date,
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val certificateCreationTime: Date = Date()
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) {
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internal val keyPair = generateKeyPair()
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fun subkey(
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type: KeyType,
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creationTime: Date = certificateCreationTime
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): V4SubkeyBuilder = V4SubkeyBuilder(type, creationTime, this)
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fun generate(): PGPSecretKeyRing {
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val keys = collectKeysForGeneration()
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assert(keys.first() is V4PrimaryKeyBuilder)
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assert(keys.drop(1).all { it is V4SubkeyBuilder })
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val primaryKey: V4PrimaryKeyBuilder = keys.first() as V4PrimaryKeyBuilder
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}
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private fun collectKeysForGeneration(): List<V4KeyBuilder<*>> =
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if (this is V4SubkeyBuilder) {
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predecessor.collectKeysForGeneration().plus(this)
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} else {
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listOf(this)
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}
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private fun generateKeyPair(): PGPKeyPair {
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// Create raw Key Pair
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val keyPair = 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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}
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}
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class V4PrimaryKeyBuilder(
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type: KeyType,
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creationTime: Date
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): V4KeyBuilder<V4PrimaryKeyBuilder>(type, creationTime) {
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fun userId(userId: CharSequence) = userId(userId, OpenPgpV4KeyGenerator.Preferences())
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fun userId(userId: CharSequence, preferences: OpenPgpV4KeyGenerator.Preferences) = apply {
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keyPair.publicKey.
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}
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fun selfSignature(preferences: OpenPgpV4KeyGenerator.Preferences) = apply {
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}
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}
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class V4SubkeyBuilder(
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type: KeyType,
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creationTime: Date,
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internal val predecessor: V4KeyBuilder<*>,
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): V4KeyBuilder<V4SubkeyBuilder>(type, creationTime, predecessor.certificateCreationTime) {
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fun bindingSignature(preferences: OpenPgpV4KeyGenerator.Preferences) = apply {
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}
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}
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}
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fun test() {
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OpenPgpKeyBuilder()
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.buildV4Key(KeyType.RSA(RsaLength._4096))
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.selfSignature(OpenPgpV4KeyGenerator.Preferences())
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.userId("Alice", OpenPgpV4KeyGenerator.Preferences())
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.subkey(KeyType.EDDSA(EdDSACurve._Ed25519))
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.bindingSignature(OpenPgpV4KeyGenerator.Preferences())
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.subkey(KeyType.XDH(XDHSpec._X25519))
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.bindingSignature(OpenPgpV4KeyGenerator.Preferences())
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}
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package org.pgpainless.key.generation
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import org.bouncycastle.openpgp.PGPSecretKeyRing
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import org.pgpainless.algorithm.KeyFlag
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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 java.util.*
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class OpenPgpV4KeyGenerator(
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private val policy: Policy,
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private val referenceTime: Date = Date()
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) {
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fun primaryKey(
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type: KeyType,
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vararg flag: KeyFlag = arrayOf(KeyFlag.CERTIFY_OTHER, KeyFlag.SIGN_DATA)
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) = primaryKey(type, referenceTime, *flag)
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fun primaryKey(
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type: KeyType,
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creationTime: Date,
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vararg flag: KeyFlag = arrayOf(KeyFlag.CERTIFY_OTHER, KeyFlag.SIGN_DATA)
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) = WithSubkeys(
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KeyDescription(type, creationTime, flag.toList()),
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policy,
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referenceTime
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)
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class WithSubkeys(
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private val primaryKey: KeyDescription,
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private val policy: Policy,
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private val referenceTime: Date
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) {
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val builder = OpenPgpKeyBuilder()
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.buildV4Key(primaryKey.type)
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.
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init {
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}
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fun encryptionSubkey(
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type: KeyType,
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vararg flag: KeyFlag = arrayOf(KeyFlag.ENCRYPT_COMMS, KeyFlag.ENCRYPT_STORAGE)
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) = encryptionSubkey(type, referenceTime, *flag)
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fun encryptionSubkey(
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type: KeyType,
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creationTime: Date,
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vararg flag: KeyFlag = arrayOf(KeyFlag.ENCRYPT_COMMS, KeyFlag.ENCRYPT_STORAGE)
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) = subkey(type, creationTime, *flag)
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fun signingSubkey(
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type: KeyType
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) = signingSubkey(type, referenceTime)
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fun signingSubkey(
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type: KeyType,
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creationTime: Date
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) = subkey(type, creationTime, KeyFlag.SIGN_DATA)
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fun subkey(
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type: KeyType,
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vararg flag: KeyFlag
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) = subkey(type, referenceTime, *flag)
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fun subkey(
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type: KeyType,
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creationTime: Date = referenceTime,
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vararg flag: KeyFlag
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) = apply {
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}
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fun noUserId(
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preferences: Preferences
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): PGPSecretKeyRing {
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}
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fun userId(
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userId: CharSequence,
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preferences: Preferences
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): WithUserIds = WithUserIds().apply {
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userId(userId, preferences)
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}
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}
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class WithUserIds {
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fun userId(
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userId: CharSequence,
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preferences: Preferences
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): WithUserIds {
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}
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fun done(): PGPSecretKeyRing {
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}
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fun directKeySignature(
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preferences: Preferences
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): PGPSecretKeyRing {
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}
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}
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data class KeyDescription(
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val type: KeyType,
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val creationTime: Date,
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val flags: List<KeyFlag>
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)
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data class Preferences()
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}
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@ -0,0 +1,26 @@
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package org.pgpainless.key.generation
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import org.junit.jupiter.api.Test
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import org.pgpainless.algorithm.KeyFlag
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import org.pgpainless.key.generation.type.KeyType
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import org.pgpainless.key.generation.type.rsa.RsaLength
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import org.pgpainless.policy.Policy
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class OpenPgpV4KeyGeneratorTest {
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@Test
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fun test() {
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OpenPgpV4KeyGenerator(Policy.getInstance())
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OpenPgpV4KeyGenerator(Policy.getInstance())
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.primaryKey(
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KeyType.RSA(RsaLength._4096),
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KeyFlag.CERTIFY_OTHER
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).signingSubkey(
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KeyType.RSA(RsaLength._4096)
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).encryptionSubkey(
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KeyType.RSA(RsaLength._4096)
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)
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}
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}
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