/// <summary>
/// Initialize the cipher.
/// <para>Requires a <see cref="NTRUPublicKey"/> for encryption, or a <see cref="NTRUPrivateKey"/> for decryption</para>
/// </summary>
///
/// <param name="Encryption">When true cipher is for encryption, if false, decryption</param>
/// <param name="KeyPair">The <see cref="IAsymmetricKeyPair"/> containing the NTRU public or private key</param>
///
/// <exception cref="NTRUException">Thrown if a key is invalid</exception>
public void Initialize(bool Encryption, IAsymmetricKeyPair KeyPair)
{
if (!(KeyPair is NTRUKeyPair))
{
throw new NTRUException("NTRUEncrypt:Initialize", "Not a valid NTRU key pair!", new InvalidDataException());
}
_keyPair = (NTRUKeyPair)KeyPair;
if (_keyPair.PublicKey == null)
{
throw new NTRUException("NTRUEncrypt:Initialize", "Not a valid NTRU key pair!", new InvalidDataException());
}
if (!(_keyPair.PublicKey is NTRUPublicKey))
{
throw new NTRUException("NTRUEncrypt:Initialize", "Not a valid NTRU key pair!", new InvalidDataException());
}
if (!Encryption)
{
if (_keyPair.PrivateKey == null)
{
throw new NTRUException("NTRUEncrypt:Initialize", "Not a valid NTRU key pair!", new InvalidDataException());
}
if (!(_keyPair.PrivateKey is NTRUPrivateKey))
{
throw new NTRUException("NTRUEncrypt:Initialize", "Not a valid NTRU key pair!", new InvalidDataException());
}
}
_isInitialized = true;
}
/// <summary>
/// Compare this object instance with another
/// </summary>
///
/// <param name="obj">Object to compare</param>
///
/// <returns>True if equal, otherwise false</returns>
public override bool Equals(Object obj)
{
if (this == obj)
{
return(true);
}
if (obj == null)
{
return(false);
}
NTRUKeyPair other = (NTRUKeyPair)obj;
if (PrivateKey == null)
{
if (other.PrivateKey != null)
{
return(false);
}
}
else if (!PrivateKey.Equals(other.PrivateKey))
{
return(false);
}
if (PublicKey == null)
{
if (other.PublicKey != null)
{
return(false);
}
}
else if (!PublicKey.Equals(other.PublicKey))
{
return(false);
}
return(true);
}
/// <summary>
/// Initialize the cipher.
/// <para>Requires a <see cref="NTRUPublicKey"/> for encryption, or a <see cref="NTRUPrivateKey"/> for decryption</para>
/// </summary>
///
/// <param name="Encryption">When true cipher is for encryption, if false, decryption</param>
/// <param name="KeyPair">The <see cref="IAsymmetricKeyPair"/> containing the NTRU public or private key</param>
///
/// <exception cref="NTRUException">Thrown if a key is invalid</exception>
public void Initialize(bool Encryption, IAsymmetricKeyPair KeyPair)
{
if (!(KeyPair is NTRUKeyPair))
throw new NTRUException("NTRUEncrypt:Initialize", "Not a valid NTRU key pair!", new InvalidDataException());
_keyPair = (NTRUKeyPair)KeyPair;
if (_keyPair.PublicKey == null)
throw new NTRUException("NTRUEncrypt:Initialize", "Not a valid NTRU key pair!", new InvalidDataException());
if (!(_keyPair.PublicKey is NTRUPublicKey))
throw new NTRUException("NTRUEncrypt:Initialize", "Not a valid NTRU key pair!", new InvalidDataException());
if (!Encryption)
{
if (_keyPair.PrivateKey == null)
throw new NTRUException("NTRUEncrypt:Initialize", "Not a valid NTRU key pair!", new InvalidDataException());
if (!(_keyPair.PrivateKey is NTRUPrivateKey))
throw new NTRUException("NTRUEncrypt:Initialize", "Not a valid NTRU key pair!", new InvalidDataException());
}
_isInitialized = true;
}