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93 lines
2.9 KiB
93 lines
2.9 KiB
using System;
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using System.IO;
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namespace Org.BouncyCastle.Asn1
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{
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public abstract class Asn1Object
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: Asn1Encodable
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{
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[Obsolete]
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#pragma warning disable CS0809 // 过时成员重写未过时成员
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public override void EncodeTo(Stream output)
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#pragma warning restore CS0809 // 过时成员重写未过时成员
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{
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Asn1OutputStream.Create(output).WriteObject(this);
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}
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[Obsolete]
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#pragma warning disable CS0809 // 过时成员重写未过时成员
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public override void EncodeTo(Stream output, string encoding)
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#pragma warning restore CS0809 // 过时成员重写未过时成员
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{
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Asn1OutputStream.Create(output, encoding).WriteObject(this);
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}
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/// <summary>Create a base ASN.1 object from a byte array.</summary>
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/// <param name="data">The byte array to parse.</param>
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/// <returns>The base ASN.1 object represented by the byte array.</returns>
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/// <exception cref="IOException">
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/// If there is a problem parsing the data, or parsing an object did not exhaust the available data.
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/// </exception>
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public static Asn1Object FromByteArray(
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byte[] data)
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{
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try
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{
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MemoryStream input = new MemoryStream(data, false);
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Asn1InputStream asn1 = new Asn1InputStream(input, data.Length);
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#pragma warning disable CS0612 // 类型或成员已过时
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Asn1Object result = asn1.ReadObject();
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#pragma warning restore CS0612 // 类型或成员已过时
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if (input.Position != input.Length)
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throw new IOException("extra data found after object");
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return result;
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}
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catch (InvalidCastException)
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{
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throw new IOException("cannot recognise object in byte array");
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}
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}
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/// <summary>Read a base ASN.1 object from a stream.</summary>
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/// <param name="inStr">The stream to parse.</param>
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/// <returns>The base ASN.1 object represented by the byte array.</returns>
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/// <exception cref="IOException">If there is a problem parsing the data.</exception>
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public static Asn1Object FromStream(
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Stream inStr)
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{
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try
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{
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#pragma warning disable CS0612 // 类型或成员已过时
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return new Asn1InputStream(inStr).ReadObject();
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#pragma warning restore CS0612 // 类型或成员已过时
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}
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catch (InvalidCastException)
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{
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throw new IOException("cannot recognise object in stream");
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}
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}
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public sealed override Asn1Object ToAsn1Object()
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{
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return this;
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}
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internal abstract int EncodedLength(bool withID);
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[Obsolete]
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internal abstract void Encode(Asn1OutputStream asn1Out, bool withID);
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protected abstract bool Asn1Equals(Asn1Object asn1Object);
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protected abstract int Asn1GetHashCode();
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internal bool CallAsn1Equals(Asn1Object obj)
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{
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return Asn1Equals(obj);
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}
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internal int CallAsn1GetHashCode()
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{
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return Asn1GetHashCode();
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}
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}
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}
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