<PackageReference Include="BouncyCastle.Cryptography" Version="2.5.0" />

X9IntegerConverter

public abstract class X9IntegerConverter
using Org.BouncyCastle.Math; using Org.BouncyCastle.Math.EC; using System; namespace Org.BouncyCastle.Asn1.X9 { public abstract class X9IntegerConverter { public static int GetByteLength(ECFieldElement fe) { return fe.GetEncodedLength(); } public static int GetByteLength(ECCurve c) { return c.FieldElementEncodingLength; } public static byte[] IntegerToBytes(BigInteger s, int qLength) { byte[] array = s.ToByteArrayUnsigned(); if (qLength < array.Length) { byte[] array2 = new byte[qLength]; Array.Copy(array, array.Length - array2.Length, array2, 0, array2.Length); return array2; } if (qLength > array.Length) { byte[] array3 = new byte[qLength]; Array.Copy(array, 0, array3, array3.Length - array.Length, array.Length); return array3; } return array; } } }