using System; using Org.BouncyCastle.Asn1.Cms; namespace Org.BouncyCastle.Asn1.Crmf { public class PopoPrivKey : Asn1Encodable, IAsn1Choice { public const int thisMessage = 0; public const int subsequentMessage = 1; public const int dhMAC = 2; public const int agreeMAC = 3; public const int encryptedKey = 4; private readonly int tagNo; private readonly Asn1Encodable obj; private PopoPrivKey(Asn1TaggedObject obj) { this.tagNo = obj.TagNo; switch (tagNo) { case thisMessage: this.obj = DerBitString.GetInstance(obj, false); break; case subsequentMessage: this.obj = SubsequentMessage.ValueOf(DerInteger.GetInstance(obj, false).IntValueExact); break; case dhMAC: this.obj = DerBitString.GetInstance(obj, false); break; case agreeMAC: this.obj = PKMacValue.GetInstance(obj, false); break; case encryptedKey: this.obj = EnvelopedData.GetInstance(obj, false); break; default: throw new ArgumentException("unknown tag in PopoPrivKey", "obj"); } } public static PopoPrivKey GetInstance(Asn1TaggedObject tagged, bool isExplicit) { return new PopoPrivKey(Asn1TaggedObject.GetInstance(tagged, true)); } public PopoPrivKey(SubsequentMessage msg) { this.tagNo = subsequentMessage; this.obj = msg; } public virtual int Type { get { return tagNo; } } public virtual Asn1Encodable Value { get { return obj; } } /** *
         * PopoPrivKey ::= CHOICE {
         *        thisMessage       [0] BIT STRING,         -- Deprecated
         *         -- possession is proven in this message (which contains the private
         *         -- key itself (encrypted for the CA))
         *        subsequentMessage [1] SubsequentMessage,
         *         -- possession will be proven in a subsequent message
         *        dhMAC             [2] BIT STRING,         -- Deprecated
         *        agreeMAC          [3] PKMACValue,
         *        encryptedKey      [4] EnvelopedData }
         * 
*/ public override Asn1Object ToAsn1Object() { return new DerTaggedObject(false, tagNo, obj); } } }