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103 lines
3.0 KiB
103 lines
3.0 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 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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