diff options
Diffstat (limited to 'pg/src/main/java/org/bouncycastle/openpgp/operator/PBEDataDecryptorFactory.java')
-rw-r--r-- | pg/src/main/java/org/bouncycastle/openpgp/operator/PBEDataDecryptorFactory.java | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/pg/src/main/java/org/bouncycastle/openpgp/operator/PBEDataDecryptorFactory.java b/pg/src/main/java/org/bouncycastle/openpgp/operator/PBEDataDecryptorFactory.java deleted file mode 100644 index 8538e4f6..00000000 --- a/pg/src/main/java/org/bouncycastle/openpgp/operator/PBEDataDecryptorFactory.java +++ /dev/null @@ -1,57 +0,0 @@ -package org.bouncycastle.openpgp.operator; - -import org.bouncycastle.bcpg.S2K; -import org.bouncycastle.bcpg.SymmetricKeyAlgorithmTags; -import org.bouncycastle.openpgp.PGPException; - -/** - * A factory for performing PBE decryption operations. - */ -public abstract class PBEDataDecryptorFactory - implements PGPDataDecryptorFactory -{ - private char[] passPhrase; - private PGPDigestCalculatorProvider calculatorProvider; - - /** - * Construct a PBE data decryptor factory. - * - * @param passPhrase the pass phrase to generate decryption keys with. - * @param calculatorProvider the digest to use in key generation. - */ - protected PBEDataDecryptorFactory(char[] passPhrase, PGPDigestCalculatorProvider calculatorProvider) - { - this.passPhrase = passPhrase; - this.calculatorProvider = calculatorProvider; - } - - /** - * Generates an encryption key using the pass phrase and digest calculator configured for this - * factory. - * - * @param keyAlgorithm the {@link SymmetricKeyAlgorithmTags encryption algorithm} to generate a - * key for. - * @param s2k the string-to-key specification to use to generate the key. - * @return the key bytes for the encryption algorithm, generated using the pass phrase of this - * factory. - * @throws PGPException if an error occurs generating the key. - */ - public byte[] makeKeyFromPassPhrase(int keyAlgorithm, S2K s2k) - throws PGPException - { - return PGPUtil.makeKeyFromPassPhrase(calculatorProvider, keyAlgorithm, s2k, passPhrase); - } - - /** - * Decrypts session data from an encrypted data packet. - * - * @param keyAlgorithm the {@link SymmetricKeyAlgorithmTags encryption algorithm} used to - * encrypt the session data. - * @param key the key bytes for the encryption algorithm. - * @param seckKeyData the encrypted session data to decrypt. - * @return the decrypted session data. - * @throws PGPException if an error occurs decrypting the session data. - */ - public abstract byte[] recoverSessionData(int keyAlgorithm, byte[] key, byte[] seckKeyData) - throws PGPException; -} |