init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/X509/IetfAttrSyntax.cs

@@ -0,0 +1,110 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.X509;
+
+public class IetfAttrSyntax : Asn1Encodable
+{
+	public const int ValueOctets = 1;
+
+	public const int ValueOid = 2;
+
+	public const int ValueUtf8 = 3;
+
+	internal readonly GeneralNames policyAuthority;
+
+	internal readonly Asn1EncodableVector values = new Asn1EncodableVector();
+
+	internal int valueChoice = -1;
+
+	public GeneralNames PolicyAuthority => policyAuthority;
+
+	public int ValueType => valueChoice;
+
+	public IetfAttrSyntax(Asn1Sequence seq)
+	{
+		int num = 0;
+		if (seq[0] is Asn1TaggedObject)
+		{
+			policyAuthority = GeneralNames.GetInstance((Asn1TaggedObject)seq[0], explicitly: false);
+			num++;
+		}
+		else if (seq.Count == 2)
+		{
+			policyAuthority = GeneralNames.GetInstance(seq[0]);
+			num++;
+		}
+		if (!(seq[num] is Asn1Sequence))
+		{
+			throw new ArgumentException("Non-IetfAttrSyntax encoding");
+		}
+		seq = (Asn1Sequence)seq[num];
+		foreach (Asn1Object item in seq)
+		{
+			int num2;
+			if (item is DerObjectIdentifier)
+			{
+				num2 = 2;
+			}
+			else if (item is DerUtf8String)
+			{
+				num2 = 3;
+			}
+			else
+			{
+				if (!(item is DerOctetString))
+				{
+					throw new ArgumentException("Bad value type encoding IetfAttrSyntax");
+				}
+				num2 = 1;
+			}
+			if (valueChoice < 0)
+			{
+				valueChoice = num2;
+			}
+			if (num2 != valueChoice)
+			{
+				throw new ArgumentException("Mix of value types in IetfAttrSyntax");
+			}
+			values.Add(item);
+		}
+	}
+
+	public object[] GetValues()
+	{
+		if (ValueType == 1)
+		{
+			Asn1OctetString[] array = new Asn1OctetString[values.Count];
+			for (int i = 0; i != array.Length; i++)
+			{
+				array[i] = (Asn1OctetString)values[i];
+			}
+			return array;
+		}
+		if (ValueType == 2)
+		{
+			DerObjectIdentifier[] array2 = new DerObjectIdentifier[values.Count];
+			for (int j = 0; j != array2.Length; j++)
+			{
+				array2[j] = (DerObjectIdentifier)values[j];
+			}
+			return array2;
+		}
+		DerUtf8String[] array3 = new DerUtf8String[values.Count];
+		for (int k = 0; k != array3.Length; k++)
+		{
+			array3[k] = (DerUtf8String)values[k];
+		}
+		return array3;
+	}
+
+	public override Asn1Object ToAsn1Object()
+	{
+		Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector();
+		if (policyAuthority != null)
+		{
+			asn1EncodableVector.Add(new DerTaggedObject(0, policyAuthority));
+		}
+		asn1EncodableVector.Add(new DerSequence(values));
+		return new DerSequence(asn1EncodableVector);
+	}
+}