me.sniggle.pgp.crypt.internal

Class BaseKeyPairGenerator

java.lang.Object

me.sniggle.pgp.crypt.internal.BaseKeyPairGenerator

All Implemented Interfaces:

KeyPairGenerator

public abstract class BaseKeyPairGenerator
extends Object
implements KeyPairGenerator

The common functionality of a base key generator which is dependency (BouncyCastle vs. SpongyCastle) independent

Author:

iulius

Field Summary

Fields inherited from interface me.sniggle.pgp.crypt.KeyPairGenerator

DEFAULT_KEY_SIZE, KEY_ALGORITHM

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BaseKeyPairGenerator()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	generateKeyPair(String userId, String password, OutputStream publicKey, OutputStream secrectKey) generates a key pair for the given user id with the default key size ( KeyPairGenerator#DEFAULT_KEY_SIZE )
protected int	getEncryptionAlgorithm() the strongest allowed encryption algorithm
protected int	getEncryptionKeyType() accessor to the defined encryption key type
protected int[]	getPreferredCompressionAlgorithms() accessor to the preferred standard compression algorithms
protected int[]	getPreferredEncryptionAlgorithms() accessor to the preferred standard encryption algorithms
protected int[]	getPreferredHashingAlgorithms() accessor to the preferred standard hashing algorithms
protected abstract String	getProvider() the provider identifier
protected SecureRandom	getSecureRandom() provides access to a securely initialized SecureRandom generator
protected int	getSigningKeyType() accessor to the defined signing key type
void	setUnlimitedStrengthEncryption(boolean unlimitedStrengthEncryption) set the unlimited strength encryption flag

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface me.sniggle.pgp.crypt.KeyPairGenerator

generateKeyPair

Constructor Detail

BaseKeyPairGenerator

protected BaseKeyPairGenerator()

Method Detail

getSecureRandom

protected SecureRandom getSecureRandom()

provides access to a securely initialized SecureRandom generator

Returns:

a secure random instance

getSigningKeyType

protected int getSigningKeyType()

accessor to the defined signing key type

Returns:

the signing key constant

getEncryptionKeyType

protected int getEncryptionKeyType()

accessor to the defined encryption key type

Returns:

the encryption key constant

getPreferredEncryptionAlgorithms

protected int[] getPreferredEncryptionAlgorithms()

accessor to the preferred standard encryption algorithms

Returns:

the preferred encryption algorithms

getPreferredHashingAlgorithms

protected int[] getPreferredHashingAlgorithms()

accessor to the preferred standard hashing algorithms

Returns:

the preferred hashing algorithms

getPreferredCompressionAlgorithms

protected int[] getPreferredCompressionAlgorithms()

accessor to the preferred standard compression algorithms

Returns:

the preferred compression algorithms

getProvider

protected abstract String getProvider()

the provider identifier

Returns:

the provider identifier

getEncryptionAlgorithm

protected int getEncryptionAlgorithm()

the strongest allowed encryption algorithm

Returns:

AlgorithmSelection#getStrongEncryptionAlgorithm() if BaseKeyPairGenerator#unlimitedStrengthEncryption is true, otherwise AlgorithmSelection#getWeakEncryptionAlgorithm()

setUnlimitedStrengthEncryption

public void setUnlimitedStrengthEncryption(boolean unlimitedStrengthEncryption)

set the unlimited strength encryption flag

Parameters:

unlimitedStrengthEncryption -

generateKeyPair

public boolean generateKeyPair(String userId,
                      String password,
                      OutputStream publicKey,
                      OutputStream secrectKey)

Description copied from interface: KeyPairGenerator

generates a key pair for the given user id with the default key size ( KeyPairGenerator#DEFAULT_KEY_SIZE )

Specified by:

generateKeyPair in interface KeyPairGenerator

Parameters:

userId - the user id for the PGP key pair

password - the password used to secure the secret (private) key

publicKey - the target stream for the public key

secrectKey - the target stream for the secret (private) key

Returns:

See Also:

KeyPairGenerator.generateKeyPair(String, String, OutputStream, OutputStream)