#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR) #pragma warning disable using System; using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509; using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities; namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms { public class KekRecipientInfo : Asn1Encodable { private DerInteger version; private KekIdentifier kekID; private AlgorithmIdentifier keyEncryptionAlgorithm; private Asn1OctetString encryptedKey; public KekRecipientInfo( KekIdentifier kekID, AlgorithmIdentifier keyEncryptionAlgorithm, Asn1OctetString encryptedKey) { this.version = new DerInteger(4); this.kekID = kekID; this.keyEncryptionAlgorithm = keyEncryptionAlgorithm; this.encryptedKey = encryptedKey; } public KekRecipientInfo( Asn1Sequence seq) { version = (DerInteger) seq[0]; kekID = KekIdentifier.GetInstance(seq[1]); keyEncryptionAlgorithm = AlgorithmIdentifier.GetInstance(seq[2]); encryptedKey = (Asn1OctetString) seq[3]; } /** * return a KekRecipientInfo object from a tagged object. * * @param obj the tagged object holding the object we want. * @param explicitly 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 KekRecipientInfo GetInstance( Asn1TaggedObject obj, bool explicitly) { return GetInstance(Asn1Sequence.GetInstance(obj, explicitly)); } /** * return a KekRecipientInfo object from the given object. * * @param obj the object we want converted. * @exception ArgumentException if the object cannot be converted. */ public static KekRecipientInfo GetInstance( object obj) { if (obj == null || obj is KekRecipientInfo) return (KekRecipientInfo)obj; if(obj is Asn1Sequence) return new KekRecipientInfo((Asn1Sequence)obj); throw new ArgumentException("Invalid KekRecipientInfo: " + BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.GetTypeName(obj)); } public DerInteger Version { get { return version; } } public KekIdentifier KekID { get { return kekID; } } public AlgorithmIdentifier KeyEncryptionAlgorithm { get { return keyEncryptionAlgorithm; } } public Asn1OctetString EncryptedKey { get { return encryptedKey; } } /** * Produce an object suitable for an Asn1OutputStream. *
         * KekRecipientInfo ::= Sequence {
         *     version CMSVersion,  -- always set to 4
         *     kekID KekIdentifier,
         *     keyEncryptionAlgorithm KeyEncryptionAlgorithmIdentifier,
         *     encryptedKey EncryptedKey
         * }
         * 
*/ public override Asn1Object ToAsn1Object() { return new DerSequence(version, kekID, keyEncryptionAlgorithm, encryptedKey); } } } #pragma warning restore #endif