93 lines
1.9 KiB
C#
93 lines
1.9 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 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(
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Asn1EncodableVector v)
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{
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return v.Count < 1 ? Empty : new DerSequence(v);
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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(0)
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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(
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Asn1Encodable obj)
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: base(1)
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{
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AddObject(obj);
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}
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public DerSequence(
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params Asn1Encodable[] v)
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: base(v.Length)
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{
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foreach (Asn1Encodable ae in v)
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{
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AddObject(ae);
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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(
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Asn1EncodableVector v)
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: base(v.Count)
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{
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foreach (Asn1Encodable ae in v)
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{
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AddObject(ae);
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}
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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(
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DerOutputStream derOut)
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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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DerOutputStream dOut = new DerOutputStream(bOut);
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foreach (Asn1Encodable obj in this)
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{
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dOut.WriteObject(obj);
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}
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BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.Dispose(dOut);
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byte[] bytes = bOut.ToArray();
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derOut.WriteEncoded(Asn1Tags.Sequence | Asn1Tags.Constructed, bytes);
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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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