public KdfResult DeriveKey(BitString k, BitString h, BitString sessionId)
{
var iv1 = PseudoRandomFunction(k, h, 'A', sessionId, _ivLength);
var iv2 = PseudoRandomFunction(k, h, 'B', sessionId, _ivLength);
var key1 = PseudoRandomFunction(k, h, 'C', sessionId, _keyLength);
var key2 = PseudoRandomFunction(k, h, 'D', sessionId, _keyLength);
var iKey1 = PseudoRandomFunction(k, h, 'E', sessionId, _hash.HashFunction.OutputLen);
var iKey2 = PseudoRandomFunction(k, h, 'F', sessionId, _hash.HashFunction.OutputLen);
var clientToServer = new OneWayResult
{
InitialIv = iv1,
EncryptionKey = key1,
IntegrityKey = iKey1
};
var serverToClient = new OneWayResult
{
InitialIv = iv2,
EncryptionKey = key2,
IntegrityKey = iKey2
};
return(new KdfResult(serverToClient, clientToServer));
}
public KdfResult(OneWayResult serverToClient, OneWayResult clientToServer)
{
ServerToClient = serverToClient;
ClientToServer = clientToServer;
}
