init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Math/EC/ECPointBase.cs

@@ -0,0 +1,44 @@
+using System;
+
+namespace Org.BouncyCastle.Math.EC;
+
+public abstract class ECPointBase : ECPoint
+{
+	protected internal ECPointBase(ECCurve curve, ECFieldElement x, ECFieldElement y, bool withCompression)
+		: base(curve, x, y, withCompression)
+	{
+	}
+
+	protected internal ECPointBase(ECCurve curve, ECFieldElement x, ECFieldElement y, ECFieldElement[] zs, bool withCompression)
+		: base(curve, x, y, zs, withCompression)
+	{
+	}
+
+	public override byte[] GetEncoded(bool compressed)
+	{
+		if (base.IsInfinity)
+		{
+			return new byte[1];
+		}
+		ECPoint eCPoint = Normalize();
+		byte[] encoded = eCPoint.XCoord.GetEncoded();
+		if (compressed)
+		{
+			byte[] array = new byte[encoded.Length + 1];
+			array[0] = (byte)(eCPoint.CompressionYTilde ? 3u : 2u);
+			Array.Copy(encoded, 0, array, 1, encoded.Length);
+			return array;
+		}
+		byte[] encoded2 = eCPoint.YCoord.GetEncoded();
+		byte[] array2 = new byte[encoded.Length + encoded2.Length + 1];
+		array2[0] = 4;
+		Array.Copy(encoded, 0, array2, 1, encoded.Length);
+		Array.Copy(encoded2, 0, array2, encoded.Length + 1, encoded2.Length);
+		return array2;
+	}
+
+	public override ECPoint Multiply(BigInteger k)
+	{
+		return Curve.GetMultiplier().Multiply(this, k);
+	}
+}