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93 lines
2.5 KiB
93 lines
2.5 KiB
8 months 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 System.Collections;
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using System.IO;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1
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{
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public class DerSequence
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: Asn1Sequence
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{
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public static readonly DerSequence Empty = new DerSequence();
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public static DerSequence FromVector(Asn1EncodableVector elementVector)
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{
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return elementVector.Count < 1 ? Empty : new DerSequence(elementVector);
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}
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/**
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* create an empty sequence
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*/
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public DerSequence()
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: base()
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{
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}
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/**
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* create a sequence containing one object
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*/
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public DerSequence(Asn1Encodable element)
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: base(element)
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{
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}
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public DerSequence(params Asn1Encodable[] elements)
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: base(elements)
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{
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}
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/**
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* create a sequence containing a vector of objects.
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*/
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public DerSequence(Asn1EncodableVector elementVector)
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: base(elementVector)
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{
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}
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internal override int EncodedLength(bool withID)
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{
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throw BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.CreateNotImplementedException("DerSequence.EncodedLength");
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}
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/*
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* A note on the implementation:
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* <p>
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* As Der requires the constructed, definite-length model to
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* be used for structured types, this varies slightly from the
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* ASN.1 descriptions given. Rather than just outputing Sequence,
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* we also have to specify Constructed, and the objects length.
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*/
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internal override void Encode(Asn1OutputStream asn1Out, bool withID)
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{
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if (Count < 1)
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{
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asn1Out.WriteEncodingDL(withID, Asn1Tags.Constructed | Asn1Tags.Sequence, Asn1OctetString.EmptyOctets);
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return;
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}
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// TODO Intermediate buffer could be avoided if we could calculate expected length
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MemoryStream bOut = new MemoryStream();
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Asn1OutputStream dOut = Asn1OutputStream.Create(bOut, Der);
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dOut.WriteElements(elements);
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dOut.Flush();
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#if PORTABLE || NETFX_CORE
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byte[] bytes = bOut.ToArray();
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int length = bytes.Length;
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#else
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byte[] bytes = bOut.GetBuffer();
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int length = (int)bOut.Position;
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#endif
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asn1Out.WriteEncodingDL(withID, Asn1Tags.Constructed | Asn1Tags.Sequence, bytes, 0, length);
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BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.Dispose(dOut);
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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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