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

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