118 lines
5.5 KiB
Java
118 lines
5.5 KiB
Java
/*
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* Copyright 2020 Paul Schaub.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.pgpainless.implementation;
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import java.security.KeyPair;
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import java.util.Date;
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import org.bouncycastle.openpgp.PGPException;
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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.PGPSecretKey;
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import org.bouncycastle.openpgp.operator.KeyFingerPrintCalculator;
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import org.bouncycastle.openpgp.operator.PBEDataDecryptorFactory;
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import org.bouncycastle.openpgp.operator.PBEKeyEncryptionMethodGenerator;
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import org.bouncycastle.openpgp.operator.PBESecretKeyDecryptor;
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import org.bouncycastle.openpgp.operator.PBESecretKeyEncryptor;
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import org.bouncycastle.openpgp.operator.PGPContentSignerBuilder;
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import org.bouncycastle.openpgp.operator.PGPContentVerifierBuilderProvider;
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import org.bouncycastle.openpgp.operator.PGPDataEncryptorBuilder;
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import org.bouncycastle.openpgp.operator.PGPDigestCalculator;
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import org.bouncycastle.openpgp.operator.PGPDigestCalculatorProvider;
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import org.bouncycastle.openpgp.operator.PublicKeyDataDecryptorFactory;
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import org.bouncycastle.openpgp.operator.PublicKeyKeyEncryptionMethodGenerator;
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import org.pgpainless.algorithm.HashAlgorithm;
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import org.pgpainless.algorithm.PublicKeyAlgorithm;
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import org.pgpainless.algorithm.SymmetricKeyAlgorithm;
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import org.pgpainless.util.Passphrase;
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public abstract class ImplementationFactory {
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private static ImplementationFactory FACTORY_IMPLEMENTATION;
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public static void setFactoryImplementation(ImplementationFactory implementation) {
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FACTORY_IMPLEMENTATION = implementation;
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}
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public static ImplementationFactory getInstance() {
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if (FACTORY_IMPLEMENTATION == null) {
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FACTORY_IMPLEMENTATION = new BcImplementationFactory();
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}
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return FACTORY_IMPLEMENTATION;
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}
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public PBESecretKeyEncryptor getPBESecretKeyEncryptor(SymmetricKeyAlgorithm symmetricKeyAlgorithm,
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Passphrase passphrase)
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throws PGPException {
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return getPBESecretKeyEncryptor(symmetricKeyAlgorithm,
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getPGPDigestCalculator(HashAlgorithm.SHA1), passphrase);
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}
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public abstract PBESecretKeyEncryptor getPBESecretKeyEncryptor(PGPSecretKey secretKey, Passphrase passphrase) throws PGPException;
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public abstract PBESecretKeyEncryptor getPBESecretKeyEncryptor(SymmetricKeyAlgorithm symmetricKeyAlgorithm,
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PGPDigestCalculator digestCalculator,
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Passphrase passphrase);
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public abstract PBESecretKeyDecryptor getPBESecretKeyDecryptor(Passphrase passphrase) throws PGPException;
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public PGPDigestCalculator getPGPDigestCalculator(HashAlgorithm algorithm) throws PGPException {
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return getPGPDigestCalculator(algorithm.getAlgorithmId());
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}
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public PGPDigestCalculator getPGPDigestCalculator(int algorithm) throws PGPException {
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return getPGPDigestCalculatorProvider().get(algorithm);
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}
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public abstract PGPDigestCalculatorProvider getPGPDigestCalculatorProvider() throws PGPException;
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public abstract PGPContentVerifierBuilderProvider getPGPContentVerifierBuilderProvider();
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public PGPContentSignerBuilder getPGPContentSignerBuilder(PublicKeyAlgorithm keyAlgorithm, HashAlgorithm hashAlgorithm) {
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return getPGPContentSignerBuilder(keyAlgorithm.getAlgorithmId(), hashAlgorithm.getAlgorithmId());
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}
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public abstract PGPContentSignerBuilder getPGPContentSignerBuilder(int keyAlgorithm, int hashAlgorithm);
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public abstract KeyFingerPrintCalculator getKeyFingerprintCalculator();
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public abstract PBEDataDecryptorFactory getPBEDataDecryptorFactory(Passphrase passphrase) throws PGPException;
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public abstract PublicKeyDataDecryptorFactory getPublicKeyDataDecryptorFactory(PGPPrivateKey privateKey);
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public abstract PublicKeyKeyEncryptionMethodGenerator getPublicKeyKeyEncryptionMethodGenerator(PGPPublicKey key);
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public abstract PBEKeyEncryptionMethodGenerator getPBEKeyEncryptionMethodGenerator(Passphrase passphrase);
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public PGPDataEncryptorBuilder getPGPDataEncryptorBuilder(SymmetricKeyAlgorithm symmetricKeyAlgorithm) {
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return getPGPDataEncryptorBuilder(symmetricKeyAlgorithm.getAlgorithmId());
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}
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public abstract PGPDataEncryptorBuilder getPGPDataEncryptorBuilder(int symmetricKeyAlgorithm);
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public abstract PGPKeyPair getPGPKeyPair(PublicKeyAlgorithm algorithm, KeyPair keyPair, Date creationDate) throws PGPException;
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public abstract PBESecretKeyEncryptor getPBESecretKeyEncryptor(SymmetricKeyAlgorithm encryptionAlgorithm,
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HashAlgorithm hashAlgorithm, int s2kCount,
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Passphrase passphrase) throws PGPException;
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@Override
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public String toString() {
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return getClass().getSimpleName();
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}
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}
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