/// <summary>
/// Constructs a KEM object.
/// </summary>
/// <param name="kemAlg">An OQS KEM algorithm identifier; must be a value from <see cref="EnabledMechanisms"/>.</param>
/// <exception cref="MechanismNotEnabledException">Thrown if the algorithm is supported but not enabled by the OQS runtime.</exception>
/// <exception cref="MechanismNotSupportedException">Thrown if the algorithm is not supported by OQS.</exception>
/// <exception cref="OQSException">Thrown if the OQS KEM object can't be initialized.</exception>
public KEM(string kemAlg)
{
if (!SupportedMechanisms.Contains(kemAlg))
{
throw new MechanismNotSupportedException(kemAlg);
}
if (!EnabledMechanisms.Contains(kemAlg))
{
throw new MechanismNotEnabledException(kemAlg);
}
oqs_ptr = OQS_KEM_new(kemAlg);
if (oqs_ptr == IntPtr.Zero)
{
throw new OQSException("Failed to initialize KEM mechanism");
}
oqs_kem = Marshal.PtrToStructure <OQS_KEM>(oqs_ptr);
}
/// <summary>
/// Constructs a signature object.
/// </summary>
/// <param name="sigAlg">An OQS signature algorithm identifier; must be a value from <see cref="EnabledMechanisms"/>.</param>
/// <exception cref="MechanismNotEnabledException">Thrown if the algorithm is supported but not enabled by the OQS runtime.</exception>
/// <exception cref="MechanismNotSupportedException">Thrown if the algorithm is not supported by OQS.</exception>
/// <exception cref="OQSException">Thrown if the OQS signature object can't be initialized.</exception>
public Sig(string sigAlg)
{
if (!SupportedMechanisms.Contains(sigAlg))
{
throw new MechanismNotSupportedException(sigAlg);
}
if (!EnabledMechanisms.Contains(sigAlg))
{
throw new MechanismNotEnabledException(sigAlg);
}
oqs_ptr = OQS_SIG_new(sigAlg);
if (oqs_ptr == IntPtr.Zero)
{
throw new OQSException("Failed to initialize signature mechanism");
}
oqs_sig = Marshal.PtrToStructure <OQS_SIG>(oqs_ptr);
}
