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149 lines
3.6 KiB
149 lines
3.6 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.Utilities; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms |
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{ |
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public class RecipientInfo |
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: Asn1Encodable, IAsn1Choice |
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{ |
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internal Asn1Encodable info; |
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public RecipientInfo( |
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KeyTransRecipientInfo info) |
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{ |
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this.info = info; |
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} |
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public RecipientInfo( |
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KeyAgreeRecipientInfo info) |
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{ |
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this.info = new DerTaggedObject(false, 1, info); |
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} |
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public RecipientInfo( |
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KekRecipientInfo info) |
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{ |
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this.info = new DerTaggedObject(false, 2, info); |
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} |
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public RecipientInfo( |
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PasswordRecipientInfo info) |
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{ |
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this.info = new DerTaggedObject(false, 3, info); |
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} |
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public RecipientInfo( |
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OtherRecipientInfo info) |
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{ |
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this.info = new DerTaggedObject(false, 4, info); |
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} |
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public RecipientInfo( |
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Asn1Object info) |
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{ |
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this.info = info; |
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} |
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public static RecipientInfo GetInstance( |
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object o) |
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{ |
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if (o == null || o is RecipientInfo) |
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return (RecipientInfo) o; |
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if (o is Asn1Sequence) |
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return new RecipientInfo((Asn1Sequence) o); |
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if (o is Asn1TaggedObject) |
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return new RecipientInfo((Asn1TaggedObject) o); |
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throw new ArgumentException("unknown object in factory: " + BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.GetTypeName(o)); |
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} |
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public DerInteger Version |
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{ |
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get |
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{ |
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if (info is Asn1TaggedObject) |
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{ |
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Asn1TaggedObject o = (Asn1TaggedObject) info; |
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switch (o.TagNo) |
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{ |
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case 1: |
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return KeyAgreeRecipientInfo.GetInstance(o, false).Version; |
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case 2: |
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return GetKekInfo(o).Version; |
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case 3: |
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return PasswordRecipientInfo.GetInstance(o, false).Version; |
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case 4: |
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return new DerInteger(0); // no syntax version for OtherRecipientInfo |
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default: |
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throw new InvalidOperationException("unknown tag"); |
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} |
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} |
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return KeyTransRecipientInfo.GetInstance(info).Version; |
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} |
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} |
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public bool IsTagged |
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{ |
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get { return info is Asn1TaggedObject; } |
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} |
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public Asn1Encodable Info |
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{ |
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get |
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{ |
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if (info is Asn1TaggedObject) |
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{ |
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Asn1TaggedObject o = (Asn1TaggedObject) info; |
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switch (o.TagNo) |
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{ |
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case 1: |
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return KeyAgreeRecipientInfo.GetInstance(o, false); |
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case 2: |
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return GetKekInfo(o); |
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case 3: |
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return PasswordRecipientInfo.GetInstance(o, false); |
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case 4: |
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return OtherRecipientInfo.GetInstance(o, false); |
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default: |
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throw new InvalidOperationException("unknown tag"); |
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} |
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} |
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return KeyTransRecipientInfo.GetInstance(info); |
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} |
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} |
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private KekRecipientInfo GetKekInfo( |
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Asn1TaggedObject o) |
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{ |
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// For compatibility with erroneous version, we don't always pass 'false' here |
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return KekRecipientInfo.GetInstance(o, o.IsExplicit()); |
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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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* RecipientInfo ::= CHOICE { |
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* ktri KeyTransRecipientInfo, |
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* kari [1] KeyAgreeRecipientInfo, |
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* kekri [2] KekRecipientInfo, |
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* pwri [3] PasswordRecipientInfo, |
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* ori [4] OtherRecipientInfo } |
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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 info.ToAsn1Object(); |
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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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