79 lines
3.1 KiB
Java
79 lines
3.1 KiB
Java
/*
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* Copyright 2018 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 de.vanitasvitae.crypto.pgpainless;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import de.vanitasvitae.crypto.pgpainless.algorithm.CompressionAlgorithm;
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import de.vanitasvitae.crypto.pgpainless.algorithm.SymmetricKeyAlgorithm;
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import de.vanitasvitae.crypto.pgpainless.decryption_verification.DecryptionBuilder;
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import de.vanitasvitae.crypto.pgpainless.encryption_signing.EncryptionBuilder;
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import de.vanitasvitae.crypto.pgpainless.key.generation.KeyRingBuilder;
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import de.vanitasvitae.crypto.pgpainless.symmetric_encryption.SymmetricEncryptorDecryptor;
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import org.bouncycastle.bcpg.ArmoredInputStream;
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import org.bouncycastle.openpgp.PGPException;
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import org.bouncycastle.openpgp.PGPPublicKeyRing;
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import org.bouncycastle.openpgp.operator.bc.BcKeyFingerprintCalculator;
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public class PGPainless {
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public static KeyRingBuilder generateKeyRing() {
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return new KeyRingBuilder();
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}
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public static EncryptionBuilder createEncryptor() {
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return new EncryptionBuilder();
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}
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public static DecryptionBuilder createDecryptor() {
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return new DecryptionBuilder();
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}
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public static PGPPublicKeyRing publicKeyRingFromBytes(byte[] bytes) throws IOException {
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return new PGPPublicKeyRing(new ArmoredInputStream(new ByteArrayInputStream(bytes)), new BcKeyFingerprintCalculator());
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}
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/**
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* Encrypt some data symmetrically using OpenPGP and a password.
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* The resulting data will be uncompressed and integrity protected.
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*
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* @param data input data.
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* @param password password.
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* @return symmetrically OpenPGP encrypted data.
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* @throws IOException IO is dangerous.
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* @throws PGPException PGP is brittle.
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*/
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public static byte[] encryptWithPassword(byte[] data, char[] password, SymmetricKeyAlgorithm algorithm) throws IOException, PGPException {
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return SymmetricEncryptorDecryptor.symmetricallyEncrypt(data, password,
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algorithm, CompressionAlgorithm.UNCOMPRESSED);
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}
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/**
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* Decrypt some symmetrically encrypted data using a password.
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* The data is suspected to be integrity protected.
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*
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* @param data symmetrically OpenPGP encrypted data.
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* @param password password.
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* @return decrypted data.
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* @throws IOException IO is dangerous.
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* @throws PGPException PGP is brittle.
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*/
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public static byte[] decryptWithPassword(byte[] data, char[] password) throws IOException, PGPException {
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return SymmetricEncryptorDecryptor.symmetricallyDecrypt(data, password);
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}
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}
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