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133 lines
3.5 KiB
133 lines
3.5 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 System.Collections; |
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using System.IO; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Encoders; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1 |
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{ |
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public abstract class Asn1OctetString |
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: Asn1Object, Asn1OctetStringParser |
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{ |
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internal static readonly byte[] EmptyOctets = new byte[0]; |
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internal byte[] str; |
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/** |
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* return an Octet string 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 tagged object cannot |
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* be converted. |
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*/ |
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public static Asn1OctetString GetInstance( |
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Asn1TaggedObject obj, |
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bool isExplicit) |
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{ |
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Asn1Object o = obj.GetObject(); |
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if (isExplicit || o is Asn1OctetString) |
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{ |
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return GetInstance(o); |
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} |
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return BerOctetString.FromSequence(Asn1Sequence.GetInstance(o)); |
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} |
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/** |
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* return an Octet string 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 Asn1OctetString GetInstance(object obj) |
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{ |
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if (obj == null || obj is Asn1OctetString) |
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{ |
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return (Asn1OctetString)obj; |
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} |
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else if (obj is byte[]) |
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{ |
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try |
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{ |
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return GetInstance(FromByteArray((byte[])obj)); |
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} |
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catch (IOException e) |
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{ |
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throw new ArgumentException("failed to construct OCTET STRING from byte[]: " + e.Message); |
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} |
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} |
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// TODO: this needs to be deleted in V2 |
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else if (obj is Asn1TaggedObject) |
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{ |
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return GetInstance(((Asn1TaggedObject)obj).GetObject()); |
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} |
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else if (obj is Asn1Encodable) |
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{ |
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Asn1Object primitive = ((Asn1Encodable)obj).ToAsn1Object(); |
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if (primitive is Asn1OctetString) |
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{ |
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return (Asn1OctetString)primitive; |
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} |
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} |
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throw new ArgumentException("illegal object in GetInstance: " + BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.GetTypeName(obj)); |
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} |
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/** |
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* @param string the octets making up the octet string. |
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*/ |
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internal Asn1OctetString( |
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byte[] str) |
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{ |
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if (str == null) |
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throw new ArgumentNullException("str"); |
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this.str = str; |
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} |
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public Stream GetOctetStream() |
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{ |
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return new MemoryStream(str, false); |
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} |
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public Asn1OctetStringParser Parser |
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{ |
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get { return this; } |
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} |
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public virtual byte[] GetOctets() |
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{ |
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return str; |
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} |
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protected override int Asn1GetHashCode() |
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{ |
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return Arrays.GetHashCode(GetOctets()); |
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} |
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protected override bool Asn1Equals( |
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Asn1Object asn1Object) |
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{ |
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DerOctetString other = asn1Object as DerOctetString; |
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if (other == null) |
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return false; |
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return Arrays.AreEqual(GetOctets(), other.GetOctets()); |
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} |
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public override string ToString() |
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{ |
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return "#" + Hex.ToHexString(str); |
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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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