/**
* encrypt the private key into a byte array with strong encryption based on a passphrase to
* unlock the key
*
* @param passphrase
* @throws L2pSecurityException
*/
private void encryptPrivateKey(String passphrase) throws L2pSecurityException {
try {
salt = CryptoTools.generateSalt();
super.encryptPrivateKey(CryptoTools.generateKeyForPassphrase(passphrase, salt));
} catch (CryptoException e) {
throw new L2pSecurityException("problems with key generation for passphrase", e);
}
}
/**
* unlock the private key
*
* @param passphrase
* @throws L2pSecurityException
*/
public void unlockPrivateKey(String passphrase) throws L2pSecurityException {
try {
SecretKey key = CryptoTools.generateKeyForPassphrase(passphrase, salt);
super.unlockPrivateKey(key);
this.passphrase = passphrase;
} catch (CryptoException e) {
throw new L2pSecurityException("unable to create key from passphrase", e);
}
}
/**
* atm constructor for the MockAgent class, just don't know, how agent creation will take place
* later
*
* @param id
* @param pair
* @param passphrase
* @param salt
* @throws L2pSecurityException
* @throws CryptoException
*/
protected PassphraseAgent(long id, KeyPair pair, String passphrase, byte[] salt)
throws L2pSecurityException, CryptoException {
super(id, pair, CryptoTools.generateKeyForPassphrase(passphrase, salt));
this.salt = salt.clone();
this.passphrase = null;
// done in consturctor of superclass
// lockPrivateKey();
}