init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/Parameters/ECPrivateKeyParameters.cs

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+using System;
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Math;
+
+namespace Org.BouncyCastle.Crypto.Parameters;
+
+public class ECPrivateKeyParameters : ECKeyParameters
+{
+	private readonly BigInteger d;
+
+	public BigInteger D => d;
+
+	public ECPrivateKeyParameters(BigInteger d, ECDomainParameters parameters)
+		: this("EC", d, parameters)
+	{
+	}
+
+	[Obsolete("Use version with explicit 'algorithm' parameter")]
+	public ECPrivateKeyParameters(BigInteger d, DerObjectIdentifier publicKeyParamSet)
+		: base("ECGOST3410", isPrivate: true, publicKeyParamSet)
+	{
+		if (d == null)
+		{
+			throw new ArgumentNullException("d");
+		}
+		this.d = d;
+	}
+
+	public ECPrivateKeyParameters(string algorithm, BigInteger d, ECDomainParameters parameters)
+		: base(algorithm, isPrivate: true, parameters)
+	{
+		if (d == null)
+		{
+			throw new ArgumentNullException("d");
+		}
+		this.d = d;
+	}
+
+	public ECPrivateKeyParameters(string algorithm, BigInteger d, DerObjectIdentifier publicKeyParamSet)
+		: base(algorithm, isPrivate: true, publicKeyParamSet)
+	{
+		if (d == null)
+		{
+			throw new ArgumentNullException("d");
+		}
+		this.d = d;
+	}
+
+	public override bool Equals(object obj)
+	{
+		if (obj == this)
+		{
+			return true;
+		}
+		if (!(obj is ECPrivateKeyParameters other))
+		{
+			return false;
+		}
+		return Equals(other);
+	}
+
+	protected bool Equals(ECPrivateKeyParameters other)
+	{
+		if (d.Equals(other.d))
+		{
+			return Equals((ECKeyParameters)other);
+		}
+		return false;
+	}
+
+	public override int GetHashCode()
+	{
+		return d.GetHashCode() ^ base.GetHashCode();
+	}
+}