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Kotlin conversion: ImplementationFactory classes

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This commit is contained in:
Paul Schaub 2023-10-04 14:18:26 +02:00
parent d707dcf74a
commit 1cdce5c93a
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
11 changed files with 299 additions and 430 deletions
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96
pgpainless-core/src/main/kotlin/org/pgpainless/implementation/BcImplementationFactory.kt Normal file
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// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.implementation
import org.bouncycastle.crypto.AsymmetricCipherKeyPair
import org.bouncycastle.openpgp.*
import org.bouncycastle.openpgp.bc.BcPGPObjectFactory
import org.bouncycastle.openpgp.operator.*
import org.bouncycastle.openpgp.operator.bc.BcKeyFingerprintCalculator
import org.bouncycastle.openpgp.operator.bc.BcPBEDataDecryptorFactory
import org.bouncycastle.openpgp.operator.bc.BcPBEKeyEncryptionMethodGenerator
import org.bouncycastle.openpgp.operator.bc.BcPBESecretKeyDecryptorBuilder
import org.bouncycastle.openpgp.operator.bc.BcPBESecretKeyEncryptorBuilder
import org.bouncycastle.openpgp.operator.bc.BcPGPContentSignerBuilder
import org.bouncycastle.openpgp.operator.bc.BcPGPContentVerifierBuilderProvider
import org.bouncycastle.openpgp.operator.bc.BcPGPDataEncryptorBuilder
import org.bouncycastle.openpgp.operator.bc.BcPGPDigestCalculatorProvider
import org.bouncycastle.openpgp.operator.bc.BcPGPKeyConverter
import org.bouncycastle.openpgp.operator.bc.BcPGPKeyPair
import org.bouncycastle.openpgp.operator.bc.BcPublicKeyDataDecryptorFactory
import org.bouncycastle.openpgp.operator.bc.BcPublicKeyKeyEncryptionMethodGenerator
import org.bouncycastle.openpgp.operator.bc.BcSessionKeyDataDecryptorFactory
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPKeyPair
import org.pgpainless.algorithm.HashAlgorithm
import org.pgpainless.algorithm.PublicKeyAlgorithm
import org.pgpainless.algorithm.SymmetricKeyAlgorithm
import org.pgpainless.util.Passphrase
import java.io.InputStream
import java.security.KeyPair
import java.util.*
class BcImplementationFactory : ImplementationFactory() {
override val pgpDigestCalculatorProvider: BcPGPDigestCalculatorProvider = BcPGPDigestCalculatorProvider()
override val pgpContentVerifierBuilderProvider: BcPGPContentVerifierBuilderProvider = BcPGPContentVerifierBuilderProvider()
override val keyFingerprintCalculator: BcKeyFingerprintCalculator = BcKeyFingerprintCalculator()
override fun getPBESecretKeyEncryptor(symmetricKeyAlgorithm: SymmetricKeyAlgorithm,
digestCalculator: PGPDigestCalculator,
passphrase: Passphrase): PBESecretKeyEncryptor =
BcPBESecretKeyEncryptorBuilder(symmetricKeyAlgorithm.algorithmId, digestCalculator)
.build(passphrase.getChars())
override fun getPBESecretKeyEncryptor(encryptionAlgorithm: SymmetricKeyAlgorithm,
hashAlgorithm: HashAlgorithm,
s2kCount: Int,
passphrase: Passphrase): PBESecretKeyEncryptor =
BcPBESecretKeyEncryptorBuilder(
encryptionAlgorithm.algorithmId,
getPGPDigestCalculator(hashAlgorithm),
s2kCount)
.build(passphrase.getChars())
override fun getPBESecretKeyDecryptor(passphrase: Passphrase): PBESecretKeyDecryptor =
BcPBESecretKeyDecryptorBuilder(pgpDigestCalculatorProvider)
.build(passphrase.getChars())
override fun getPGPContentSignerBuilder(keyAlgorithm: Int, hashAlgorithm: Int): PGPContentSignerBuilder =
BcPGPContentSignerBuilder(keyAlgorithm, hashAlgorithm)
override fun getPBEDataDecryptorFactory(passphrase: Passphrase): PBEDataDecryptorFactory =
BcPBEDataDecryptorFactory(passphrase.getChars(), pgpDigestCalculatorProvider)
override fun getPublicKeyDataDecryptorFactory(privateKey: PGPPrivateKey): PublicKeyDataDecryptorFactory =
BcPublicKeyDataDecryptorFactory(privateKey)
override fun getSessionKeyDataDecryptorFactory(sessionKey: PGPSessionKey): SessionKeyDataDecryptorFactory =
BcSessionKeyDataDecryptorFactory(sessionKey)
override fun getPublicKeyKeyEncryptionMethodGenerator(key: PGPPublicKey): PublicKeyKeyEncryptionMethodGenerator =
BcPublicKeyKeyEncryptionMethodGenerator(key)
override fun getPBEKeyEncryptionMethodGenerator(passphrase: Passphrase): PBEKeyEncryptionMethodGenerator =
BcPBEKeyEncryptionMethodGenerator(passphrase.getChars())
override fun getPGPDataEncryptorBuilder(symmetricKeyAlgorithm: Int): PGPDataEncryptorBuilder =
BcPGPDataEncryptorBuilder(symmetricKeyAlgorithm)
override fun getPGPKeyPair(publicKeyAlgorithm: PublicKeyAlgorithm, keyPair: KeyPair, creationDate: Date): PGPKeyPair =
BcPGPKeyPair(
publicKeyAlgorithm.algorithmId,
jceToBcKeyPair(publicKeyAlgorithm, keyPair, creationDate),
creationDate)
override fun getPGPObjectFactory(inputStream: InputStream): PGPObjectFactory = BcPGPObjectFactory(inputStream)
private fun jceToBcKeyPair(publicKeyAlgorithm: PublicKeyAlgorithm,
keyPair: KeyPair,
creationDate: Date): AsymmetricCipherKeyPair =
BcPGPKeyConverter().let { converter ->
JcaPGPKeyPair(publicKeyAlgorithm.algorithmId, keyPair, creationDate).let { pair ->
AsymmetricCipherKeyPair(converter.getPublicKey(pair.publicKey), converter.getPrivateKey(pair.privateKey))
}
}
}

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pgpainless-core/src/main/kotlin/org/pgpainless/implementation/ImplementationFactory.kt Normal file
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// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.implementation
import org.bouncycastle.openpgp.*
import org.bouncycastle.openpgp.operator.*
import org.pgpainless.algorithm.HashAlgorithm
import org.pgpainless.algorithm.PublicKeyAlgorithm
import org.pgpainless.algorithm.SymmetricKeyAlgorithm
import org.pgpainless.util.Passphrase
import org.pgpainless.util.SessionKey
import java.io.InputStream
import java.security.KeyPair
import java.util.*
abstract class ImplementationFactory {
companion object {
@JvmStatic
private var instance: ImplementationFactory = BcImplementationFactory()
@JvmStatic
fun getInstance() = instance
@JvmStatic
fun setFactoryImplementation(implementation: ImplementationFactory) = apply {
instance = implementation
}
}
abstract val pgpDigestCalculatorProvider: PGPDigestCalculatorProvider
abstract val pgpContentVerifierBuilderProvider: PGPContentVerifierBuilderProvider
abstract val keyFingerprintCalculator: KeyFingerPrintCalculator
val v4FingerprintCalculator: PGPDigestCalculator
get() = getPGPDigestCalculator(HashAlgorithm.SHA1)
@Throws(PGPException::class)
abstract fun getPBESecretKeyEncryptor(symmetricKeyAlgorithm: SymmetricKeyAlgorithm,
digestCalculator: PGPDigestCalculator,
passphrase: Passphrase): PBESecretKeyEncryptor
@Throws(PGPException::class)
abstract fun getPBESecretKeyDecryptor(passphrase: Passphrase): PBESecretKeyDecryptor
@Throws(PGPException::class)
abstract fun getPBESecretKeyEncryptor(encryptionAlgorithm: SymmetricKeyAlgorithm, hashAlgorithm: HashAlgorithm,
s2kCount: Int, passphrase: Passphrase): PBESecretKeyEncryptor
fun getPGPDigestCalculator(hashAlgorithm: HashAlgorithm): PGPDigestCalculator =
getPGPDigestCalculator(hashAlgorithm.algorithmId)
fun getPGPDigestCalculator(hashAlgorithm: Int): PGPDigestCalculator =
pgpDigestCalculatorProvider.get(hashAlgorithm)
fun getPGPContentSignerBuilder(keyAlgorithm: PublicKeyAlgorithm, hashAlgorithm: HashAlgorithm): PGPContentSignerBuilder =
getPGPContentSignerBuilder(keyAlgorithm.algorithmId, hashAlgorithm.algorithmId)
abstract fun getPGPContentSignerBuilder(keyAlgorithm: Int, hashAlgorithm: Int): PGPContentSignerBuilder
@Throws(PGPException::class)
abstract fun getPBEDataDecryptorFactory(passphrase: Passphrase): PBEDataDecryptorFactory
abstract fun getPublicKeyDataDecryptorFactory(privateKey: PGPPrivateKey): PublicKeyDataDecryptorFactory
fun getSessionKeyDataDecryptorFactory(sessionKey: SessionKey): SessionKeyDataDecryptorFactory =
getSessionKeyDataDecryptorFactory(PGPSessionKey(sessionKey.algorithm.algorithmId, sessionKey.key))
abstract fun getSessionKeyDataDecryptorFactory(sessionKey: PGPSessionKey): SessionKeyDataDecryptorFactory
abstract fun getPublicKeyKeyEncryptionMethodGenerator(key: PGPPublicKey): PublicKeyKeyEncryptionMethodGenerator
abstract fun getPBEKeyEncryptionMethodGenerator(passphrase: Passphrase): PBEKeyEncryptionMethodGenerator
fun getPGPDataEncryptorBuilder(symmetricKeyAlgorithm: SymmetricKeyAlgorithm): PGPDataEncryptorBuilder =
getPGPDataEncryptorBuilder(symmetricKeyAlgorithm.algorithmId)
abstract fun getPGPDataEncryptorBuilder(symmetricKeyAlgorithm: Int): PGPDataEncryptorBuilder
@Throws(PGPException::class)
abstract fun getPGPKeyPair(publicKeyAlgorithm: PublicKeyAlgorithm, keyPair: KeyPair, creationDate: Date): PGPKeyPair
fun getPGPObjectFactory(bytes: ByteArray): PGPObjectFactory =
getPGPObjectFactory(bytes.inputStream())
abstract fun getPGPObjectFactory(inputStream: InputStream): PGPObjectFactory
override fun toString(): String {
return javaClass.simpleName
}
}

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pgpainless-core/src/main/kotlin/org/pgpainless/implementation/JceImplementationFactory.kt Normal file
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// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.implementation
import org.bouncycastle.openpgp.*
import org.bouncycastle.openpgp.operator.*
import org.bouncycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentSignerBuilder
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentVerifierBuilderProvider
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPDigestCalculatorProviderBuilder
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPKeyPair
import org.bouncycastle.openpgp.operator.jcajce.JcePBEDataDecryptorFactoryBuilder
import org.bouncycastle.openpgp.operator.jcajce.JcePBEKeyEncryptionMethodGenerator
import org.bouncycastle.openpgp.operator.jcajce.JcePBESecretKeyDecryptorBuilder
import org.bouncycastle.openpgp.operator.jcajce.JcePBESecretKeyEncryptorBuilder
import org.bouncycastle.openpgp.operator.jcajce.JcePGPDataEncryptorBuilder
import org.bouncycastle.openpgp.operator.jcajce.JcePublicKeyDataDecryptorFactoryBuilder
import org.bouncycastle.openpgp.operator.jcajce.JcePublicKeyKeyEncryptionMethodGenerator
import org.bouncycastle.openpgp.operator.jcajce.JceSessionKeyDataDecryptorFactoryBuilder
import org.pgpainless.algorithm.HashAlgorithm
import org.pgpainless.algorithm.PublicKeyAlgorithm
import org.pgpainless.algorithm.SymmetricKeyAlgorithm
import org.pgpainless.provider.ProviderFactory
import org.pgpainless.util.Passphrase
import java.io.InputStream
import java.security.KeyPair
import java.util.*
class JceImplementationFactory : ImplementationFactory() {
override val pgpDigestCalculatorProvider: PGPDigestCalculatorProvider =
JcaPGPDigestCalculatorProviderBuilder()
.setProvider(ProviderFactory.getProvider())
.build()
override val pgpContentVerifierBuilderProvider: PGPContentVerifierBuilderProvider =
JcaPGPContentVerifierBuilderProvider()
.setProvider(ProviderFactory.getProvider())
override val keyFingerprintCalculator: KeyFingerPrintCalculator =
JcaKeyFingerprintCalculator()
.setProvider(ProviderFactory.getProvider())
override fun getPBESecretKeyEncryptor(symmetricKeyAlgorithm: SymmetricKeyAlgorithm,
digestCalculator: PGPDigestCalculator,
passphrase: Passphrase): PBESecretKeyEncryptor =
JcePBESecretKeyEncryptorBuilder(symmetricKeyAlgorithm.algorithmId, digestCalculator)
.setProvider(ProviderFactory.getProvider())
.build(passphrase.getChars())
override fun getPBESecretKeyEncryptor(encryptionAlgorithm: SymmetricKeyAlgorithm,
hashAlgorithm: HashAlgorithm,
s2kCount: Int,
passphrase: Passphrase): PBESecretKeyEncryptor =
JcePBESecretKeyEncryptorBuilder(
encryptionAlgorithm.algorithmId,
getPGPDigestCalculator(hashAlgorithm),
s2kCount)
.setProvider(ProviderFactory.getProvider())
.build(passphrase.getChars())
override fun getPBESecretKeyDecryptor(passphrase: Passphrase): PBESecretKeyDecryptor =
JcePBESecretKeyDecryptorBuilder(pgpDigestCalculatorProvider)
.setProvider(ProviderFactory.getProvider())
.build(passphrase.getChars())
override fun getPGPContentSignerBuilder(keyAlgorithm: Int, hashAlgorithm: Int): PGPContentSignerBuilder =
JcaPGPContentSignerBuilder(keyAlgorithm, hashAlgorithm)
.setProvider(ProviderFactory.getProvider())
override fun getPBEDataDecryptorFactory(passphrase: Passphrase): PBEDataDecryptorFactory =
JcePBEDataDecryptorFactoryBuilder(pgpDigestCalculatorProvider)
.setProvider(ProviderFactory.getProvider())
.build(passphrase.getChars())
override fun getPublicKeyDataDecryptorFactory(privateKey: PGPPrivateKey): PublicKeyDataDecryptorFactory =
JcePublicKeyDataDecryptorFactoryBuilder()
.setProvider(ProviderFactory.getProvider())
.build(privateKey)
override fun getSessionKeyDataDecryptorFactory(sessionKey: PGPSessionKey): SessionKeyDataDecryptorFactory =
JceSessionKeyDataDecryptorFactoryBuilder()
.setProvider(ProviderFactory.getProvider())
.build(sessionKey)
override fun getPublicKeyKeyEncryptionMethodGenerator(key: PGPPublicKey): PublicKeyKeyEncryptionMethodGenerator =
JcePublicKeyKeyEncryptionMethodGenerator(key)
.setProvider(ProviderFactory.getProvider())
override fun getPBEKeyEncryptionMethodGenerator(passphrase: Passphrase): PBEKeyEncryptionMethodGenerator =
JcePBEKeyEncryptionMethodGenerator(passphrase.getChars())
.setProvider(ProviderFactory.getProvider())
override fun getPGPDataEncryptorBuilder(symmetricKeyAlgorithm: Int): PGPDataEncryptorBuilder =
JcePGPDataEncryptorBuilder(symmetricKeyAlgorithm)
.setProvider(ProviderFactory.getProvider())
override fun getPGPKeyPair(publicKeyAlgorithm: PublicKeyAlgorithm, keyPair: KeyPair, creationDate: Date): PGPKeyPair =
JcaPGPKeyPair(publicKeyAlgorithm.algorithmId, keyPair, creationDate)
override fun getPGPObjectFactory(inputStream: InputStream): PGPObjectFactory =
PGPObjectFactory(inputStream, keyFingerprintCalculator)
}