104 lines
3.0 KiB
C#
104 lines
3.0 KiB
C#
#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 KeyTransRecipientInfo
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: Asn1Encodable
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{
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private DerInteger version;
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private RecipientIdentifier rid;
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private AlgorithmIdentifier keyEncryptionAlgorithm;
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private Asn1OctetString encryptedKey;
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public KeyTransRecipientInfo(
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RecipientIdentifier rid,
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AlgorithmIdentifier keyEncryptionAlgorithm,
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Asn1OctetString encryptedKey)
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{
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if (rid.ToAsn1Object() is Asn1TaggedObject)
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{
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this.version = new DerInteger(2);
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}
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else
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{
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this.version = new DerInteger(0);
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}
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this.rid = rid;
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this.keyEncryptionAlgorithm = keyEncryptionAlgorithm;
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this.encryptedKey = encryptedKey;
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}
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public KeyTransRecipientInfo(
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Asn1Sequence seq)
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{
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this.version = (DerInteger) seq[0];
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this.rid = RecipientIdentifier.GetInstance(seq[1]);
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this.keyEncryptionAlgorithm = AlgorithmIdentifier.GetInstance(seq[2]);
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this.encryptedKey = (Asn1OctetString) seq[3];
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}
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/**
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* return a KeyTransRecipientInfo 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 KeyTransRecipientInfo GetInstance(
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object obj)
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{
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if (obj == null || obj is KeyTransRecipientInfo)
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return (KeyTransRecipientInfo) obj;
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if(obj is Asn1Sequence)
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return new KeyTransRecipientInfo((Asn1Sequence) obj);
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throw new ArgumentException(
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"Illegal object in KeyTransRecipientInfo: " + 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 RecipientIdentifier RecipientIdentifier
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{
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get { return rid; }
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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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* KeyTransRecipientInfo ::= Sequence {
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* version CMSVersion, -- always set to 0 or 2
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* rid RecipientIdentifier,
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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, rid, 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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