1 files changed, 78 insertions, 0 deletions
diff --git a/Crypto/src/asn1/Asn1Encodable.cs b/Crypto/src/asn1/Asn1Encodable.cs
new file mode 100644
index 000000000..e3dd9a14c
--- /dev/null
+++ b/Crypto/src/asn1/Asn1Encodable.cs
@@ -0,0 +1,78 @@
+using System.IO;
+
+namespace Org.BouncyCastle.Asn1
+{
+ public abstract class Asn1Encodable
+ : IAsn1Convertible
+ {
+ public const string Der = "DER";
+ public const string Ber = "BER";
+
+ public byte[] GetEncoded()
+ {
+ MemoryStream bOut = new MemoryStream();
+ Asn1OutputStream aOut = new Asn1OutputStream(bOut);
+
+ aOut.WriteObject(this);
+
+ return bOut.ToArray();
+ }
+
+ public byte[] GetEncoded(
+ string encoding)
+ {
+ if (encoding.Equals(Der))
+ {
+ MemoryStream bOut = new MemoryStream();
+ DerOutputStream dOut = new DerOutputStream(bOut);
+
+ dOut.WriteObject(this);
+
+ return bOut.ToArray();
+ }
+
+ return GetEncoded();
+ }
+
+ /**
+ * Return the DER encoding of the object, null if the DER encoding can not be made.
+ *
+ * @return a DER byte array, null otherwise.
+ */
+ public byte[] GetDerEncoded()
+ {
+ try
+ {
+ return GetEncoded(Der);
+ }
+ catch (IOException)
+ {
+ return null;
+ }
+ }
+
+ public sealed override int GetHashCode()
+ {
+ return ToAsn1Object().CallAsn1GetHashCode();
+ }
+
+ public sealed override bool Equals(
+ object obj)
+ {
+ if (obj == this)
+ return true;
+
+ IAsn1Convertible other = obj as IAsn1Convertible;
+
+ if (other == null)
+ return false;
+
+ Asn1Object o1 = ToAsn1Object();
+ Asn1Object o2 = other.ToAsn1Object();
+
+ return o1 == o2 || o1.CallAsn1Equals(o2);
+ }
+
+ public abstract Asn1Object ToAsn1Object();
+ }
+}
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