init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/X9/X9IntegerConverter.cs

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+using System;
+using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Math.EC;
+
+namespace Org.BouncyCastle.Asn1.X9;
+
+public abstract class X9IntegerConverter
+{
+	public static int GetByteLength(ECFieldElement fe)
+	{
+		return (fe.FieldSize + 7) / 8;
+	}
+
+	public static int GetByteLength(ECCurve c)
+	{
+		return (c.FieldSize + 7) / 8;
+	}
+
+	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;
+	}
+}