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