Initial Commit

iTechSharp/srcbc/asn1/esf/OtherHashAlgAndValue.cs

@@ -0,0 +1,94 @@
+using System;
+
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Esf
+{
+	/// <summary>
+	/// Summary description for OtherHashAlgAndValue.
+	/// </summary>
+	/// <remarks>
+	/// <code>
+	/// OtherHashAlgAndValue ::= SEQUENCE {
+	///		hashAlgorithm	AlgorithmIdentifier,
+	/// 	hashValue		OtherHashValue
+	/// }
+	/// 
+	/// OtherHashValue ::= OCTET STRING
+	/// </code>
+	/// </remarks>
+	public class OtherHashAlgAndValue
+		: Asn1Encodable
+	{
+		private readonly AlgorithmIdentifier	hashAlgorithm;
+		private readonly Asn1OctetString		hashValue;
+
+		public static OtherHashAlgAndValue GetInstance(
+			object obj)
+		{
+			if (obj == null || obj is OtherHashAlgAndValue)
+				return (OtherHashAlgAndValue) obj;
+
+			if (obj is Asn1Sequence)
+				return new OtherHashAlgAndValue((Asn1Sequence) obj);
+
+			throw new ArgumentException(
+				"Unknown object in 'OtherHashAlgAndValue' factory: "
+					+ obj.GetType().Name,
+				"obj");
+		}
+
+		private OtherHashAlgAndValue(
+			Asn1Sequence seq)
+		{
+			if (seq == null)
+				throw new ArgumentNullException("seq");
+			if (seq.Count != 2)
+				throw new ArgumentException("Bad sequence size: " + seq.Count, "seq");
+
+			this.hashAlgorithm = AlgorithmIdentifier.GetInstance(seq[0].ToAsn1Object());
+			this.hashValue = (Asn1OctetString) seq[1].ToAsn1Object();
+		}
+
+		public OtherHashAlgAndValue(
+			AlgorithmIdentifier	hashAlgorithm,
+			byte[]				hashValue)
+		{
+			if (hashAlgorithm == null)
+				throw new ArgumentNullException("hashAlgorithm");
+			if (hashValue == null)
+				throw new ArgumentNullException("hashValue");
+
+			this.hashAlgorithm = hashAlgorithm;
+			this.hashValue = new DerOctetString(hashValue);
+		}
+
+		public OtherHashAlgAndValue(
+			AlgorithmIdentifier	hashAlgorithm,
+			Asn1OctetString		hashValue)
+		{
+			if (hashAlgorithm == null)
+				throw new ArgumentNullException("hashAlgorithm");
+			if (hashValue == null)
+				throw new ArgumentNullException("hashValue");
+
+			this.hashAlgorithm = hashAlgorithm;
+			this.hashValue = hashValue;
+		}
+
+		public AlgorithmIdentifier HashAlgorithm
+		{
+			get { return hashAlgorithm; }
+		}
+
+		public byte[] GetHashValue()
+		{
+			return hashValue.GetOctets();
+		}
+
+		public override Asn1Object ToAsn1Object()
+		{
+			return new DerSequence(hashAlgorithm, hashValue);
+		}
+	}
+}