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110 lines
3.3 KiB
110 lines
3.3 KiB
#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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