1 files changed, 65 insertions, 0 deletions
diff --git a/Crypto/src/asn1/ess/ContentIdentifier.cs b/Crypto/src/asn1/ess/ContentIdentifier.cs
new file mode 100644
index 000000000..8058dcc53
--- /dev/null
+++ b/Crypto/src/asn1/ess/ContentIdentifier.cs
@@ -0,0 +1,65 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.Ess
+{
+ public class ContentIdentifier
+ : Asn1Encodable
+ {
+ private Asn1OctetString value;
+
+ public static ContentIdentifier GetInstance(
+ object o)
+ {
+ if (o == null || o is ContentIdentifier)
+ {
+ return (ContentIdentifier) o;
+ }
+
+ if (o is Asn1OctetString)
+ {
+ return new ContentIdentifier((Asn1OctetString) o);
+ }
+
+ throw new ArgumentException(
+ "unknown object in 'ContentIdentifier' factory : "
+ + o.GetType().Name + ".");
+ }
+
+ /**
+ * Create from OCTET STRING whose octets represent the identifier.
+ */
+ public ContentIdentifier(
+ Asn1OctetString value)
+ {
+ this.value = value;
+ }
+
+ /**
+ * Create from byte array representing the identifier.
+ */
+ public ContentIdentifier(
+ byte[] value)
+ : this(new DerOctetString(value))
+ {
+ }
+
+ public Asn1OctetString Value
+ {
+ get { return value; }
+ }
+
+ /**
+ * The definition of ContentIdentifier is
+ * <pre>
+ * ContentIdentifier ::= OCTET STRING
+ * </pre>
+ * id-aa-contentIdentifier OBJECT IDENTIFIER ::= { iso(1)
+ * member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
+ * smime(16) id-aa(2) 7 }
+ */
+ public override Asn1Object ToAsn1Object()
+ {
+ return value;
+ }
+ }
+}
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