/// <summary>
/// Creates several prime number Modulus elements that can be used as
/// PlainModulus encryption parameters, each supporting batching with a given
/// PolyModulusDegree.
/// </summary>
/// <param name="polyModulusDegree">The value of the PolyModulusDegree
/// encryption parameter</param>
/// <param name="bitSizes">The bit-lengths of the primes to be generated</param>
/// <exception cref="ArgumentException">if polyModulusDegree is not
/// a power-of-two or is too large</exception>
/// <exception cref="ArgumentException">if bitSizes is too large or if its
/// elements are out of bounds</exception>
/// <exception cref="InvalidOperationException">if not enough suitable primes could be found</exception>
static public IEnumerable <Modulus> Batching(
ulong polyModulusDegree, IEnumerable <int> bitSizes)
{
return(CoeffModulus.Create(polyModulusDegree, bitSizes));
}
/// <summary>
/// Creates a prime number Modulus for use as PlainModulus encryption
/// parameter that supports batching with a given PolyModulusDegree.
/// </summary>
/// <param name="polyModulusDegree">The value of the PolyModulusDegree
/// encryption parameter</param>
/// <param name="bitSize">The bit-length of the prime to be generated</param>
/// <exception cref="ArgumentException">if polyModulusDegree is not
/// a power-of-two or is too large</exception>
/// <exception cref="ArgumentException">if bitSize is out of bounds</exception>
/// <exception cref="InvalidOperationException">if a suitable prime could not be found</exception>
static public Modulus Batching(ulong polyModulusDegree, int bitSize)
{
return(CoeffModulus.Create(
polyModulusDegree,
new int[] { bitSize }).First());
}