/// <summary>
/// Creates an instance of SEALContext, and performs several pre-computations
/// on the given EncryptionParameters.
/// </summary>
/// <param name="parms">The encryption parameters.</param>
/// <param name="expandModChain">Determines whether the modulus switching chain
/// should be created</param>
/// <exception cref="ArgumentNullException">if parms is null</exception>
public static SEALContext Create(EncryptionParameters parms, bool expandModChain = true)
{
if (null == parms)
{
throw new ArgumentNullException(nameof(parms));
}
NativeMethods.SEALContext_Create(parms.NativePtr, expandModChain, out IntPtr contextPtr);
SEALContext context = new SEALContext(contextPtr);
return(context);
}
/// <summary>
/// Creates an instance of SEALContext and performs several pre-computations
/// on the given EncryptionParameters.
/// </summary>
/// <param name="parms">The encryption parameters.</param>
/// <param name="expandModChain">Determines whether the modulus switching chain
/// should be created</param>
/// <param name="secLevel">Determines whether a specific security level should be
/// enforced according to HomomorphicEncryption.org security standard</param>
/// <exception cref="ArgumentNullException">if parms is null</exception>
public SEALContext(EncryptionParameters parms,
bool expandModChain = true, SecLevelType secLevel = SecLevelType.TC128)
{
if (null == parms)
{
throw new ArgumentNullException(nameof(parms));
}
NativeMethods.SEALContext_Create(parms.NativePtr,
expandModChain, (int)secLevel, out IntPtr context);
NativePtr = context;
}