public ElGamalModifiedAbstractCipher(ElGamalModifiedKeyStruct p_key_struct)
{
o_key_struct = p_key_struct;
o_plaintext_blocksize = p_key_struct.getPlaintextBlocksize();
o_ciphertext_blocksize = p_key_struct.getCiphertextBlocksize();
o_block_size = o_plaintext_blocksize;
}
public ElGamalModifiedManaged()
{
// create the key struct and set all of the big integers to zero
o_key_struct = new ElGamalModifiedKeyStruct
{
P = BigInteger.Zero,
G = BigInteger.Zero,
Y = BigInteger.Zero,
X = BigInteger.Zero
};
// set the default key size value
KeySizeValue = 384;
// set the default padding mode
//Padding = ElGamalPaddingMode.BigIntegerPadding;
// set the range of legal keys
LegalKeySizesValue = new[] { new KeySizes(384, 1088, 8) };
}
public ElGamalModifiedDecryptor(ElGamalModifiedKeyStruct p_struct)
: base(p_struct)
{
o_block_size = o_ciphertext_blocksize;
}
public ElGamalModifiedEncryptor(ElGamalModifiedKeyStruct p_struct)
: base(p_struct)
{
o_random = RandomNumberGenerator.Create();
}
