init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/DerUtf8String.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Text;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1;
+
+public class DerUtf8String : DerStringBase
+{
+	private readonly string str;
+
+	public static DerUtf8String GetInstance(object obj)
+	{
+		if (obj == null || obj is DerUtf8String)
+		{
+			return (DerUtf8String)obj;
+		}
+		throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
+	}
+
+	public static DerUtf8String GetInstance(Asn1TaggedObject obj, bool isExplicit)
+	{
+		Asn1Object asn1Object = obj.GetObject();
+		if (isExplicit || asn1Object is DerUtf8String)
+		{
+			return GetInstance(asn1Object);
+		}
+		return new DerUtf8String(Asn1OctetString.GetInstance(asn1Object).GetOctets());
+	}
+
+	public DerUtf8String(byte[] str)
+		: this(Encoding.UTF8.GetString(str, 0, str.Length))
+	{
+	}
+
+	public DerUtf8String(string str)
+	{
+		if (str == null)
+		{
+			throw new ArgumentNullException("str");
+		}
+		this.str = str;
+	}
+
+	public override string GetString()
+	{
+		return str;
+	}
+
+	protected override bool Asn1Equals(Asn1Object asn1Object)
+	{
+		if (!(asn1Object is DerUtf8String derUtf8String))
+		{
+			return false;
+		}
+		return str.Equals(derUtf8String.str);
+	}
+
+	internal override void Encode(DerOutputStream derOut)
+	{
+		derOut.WriteEncoded(12, Encoding.UTF8.GetBytes(str));
+	}
+}