BraintreeEncryption.Library.BouncyCastle.Math.BigInteger.LastNBits C# (CSharp) 메소드

		private int[] LastNBits(
			int n)
		{
			if (n < 1)
				return ZeroMagnitude;

			int numWords = (n + BitsPerInt - 1) / BitsPerInt;
			numWords = System.Math.Min(numWords, this.magnitude.Length);
			int[] result = new int[numWords];

			Array.Copy(this.magnitude, this.magnitude.Length - numWords, result, 0, numWords);

			int hiBits = n % 32;
			if (hiBits != 0)
			{
				result[0] &= ~(-1 << hiBits);
			}

			return result;
		}