From 44288db4414158ac9b98a507b15e81d0d3c66ca6 Mon Sep 17 00:00:00 2001 From: Peter Dettman Date: Fri, 28 Jun 2013 15:26:06 +0700 Subject: Initial import of old CVS repository --- crypto/src/asn1/cms/KeyAgreeRecipientIdentifier.cs | 92 ++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 crypto/src/asn1/cms/KeyAgreeRecipientIdentifier.cs (limited to 'crypto/src/asn1/cms/KeyAgreeRecipientIdentifier.cs') diff --git a/crypto/src/asn1/cms/KeyAgreeRecipientIdentifier.cs b/crypto/src/asn1/cms/KeyAgreeRecipientIdentifier.cs new file mode 100644 index 000000000..fa6fdb0f3 --- /dev/null +++ b/crypto/src/asn1/cms/KeyAgreeRecipientIdentifier.cs @@ -0,0 +1,92 @@ +using System; + +namespace Org.BouncyCastle.Asn1.Cms +{ + public class KeyAgreeRecipientIdentifier + : Asn1Encodable, IAsn1Choice + { + /** + * return an KeyAgreeRecipientIdentifier object from a tagged object. + * + * @param obj the tagged object holding the object we want. + * @param isExplicit true if the object is meant to be explicitly + * tagged false otherwise. + * @exception ArgumentException if the object held by the + * tagged object cannot be converted. + */ + public static KeyAgreeRecipientIdentifier GetInstance( + Asn1TaggedObject obj, + bool isExplicit) + { + return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit)); + } + + /** + * return an KeyAgreeRecipientIdentifier object from the given object. + * + * @param obj the object we want converted. + * @exception ArgumentException if the object cannot be converted. + */ + public static KeyAgreeRecipientIdentifier GetInstance( + object obj) + { + if (obj == null || obj is KeyAgreeRecipientIdentifier) + return (KeyAgreeRecipientIdentifier)obj; + + if (obj is Asn1Sequence) + return new KeyAgreeRecipientIdentifier(IssuerAndSerialNumber.GetInstance(obj)); + + if (obj is Asn1TaggedObject && ((Asn1TaggedObject)obj).TagNo == 0) + { + return new KeyAgreeRecipientIdentifier(RecipientKeyIdentifier.GetInstance( + (Asn1TaggedObject)obj, false)); + } + + throw new ArgumentException("Invalid KeyAgreeRecipientIdentifier: " + obj.GetType().FullName, "obj"); + } + + private readonly IssuerAndSerialNumber issuerSerial; + private readonly RecipientKeyIdentifier rKeyID; + + public KeyAgreeRecipientIdentifier( + IssuerAndSerialNumber issuerSerial) + { + this.issuerSerial = issuerSerial; + } + + public KeyAgreeRecipientIdentifier( + RecipientKeyIdentifier rKeyID) + { + this.rKeyID = rKeyID; + } + + public IssuerAndSerialNumber IssuerAndSerialNumber + { + get { return issuerSerial; } + } + + public RecipientKeyIdentifier RKeyID + { + get { return rKeyID; } + } + + /** + * Produce an object suitable for an Asn1OutputStream. + *
+		 * KeyAgreeRecipientIdentifier ::= CHOICE {
+		 *     issuerAndSerialNumber IssuerAndSerialNumber,
+		 *     rKeyId [0] IMPLICIT RecipientKeyIdentifier
+		 * }
+		 * 
+ */ + public override Asn1Object ToAsn1Object() + { + if (issuerSerial != null) + { + return issuerSerial.ToAsn1Object(); + } + + return new DerTaggedObject(false, 0, rKeyID); + } + } +} -- cgit 1.4.1