77 lines
1.7 KiB
C#
77 lines
1.7 KiB
C#
using System;
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using System.Text;
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using Org.BouncyCastle.Utilities;
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namespace Org.BouncyCastle.Asn1;
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public class DerUniversalString : DerStringBase
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{
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private static readonly char[] table = new char[16]
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{
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
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'A', 'B', 'C', 'D', 'E', 'F'
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};
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private readonly byte[] str;
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public static DerUniversalString GetInstance(object obj)
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{
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if (obj == null || obj is DerUniversalString)
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{
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return (DerUniversalString)obj;
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}
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throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
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}
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public static DerUniversalString GetInstance(Asn1TaggedObject obj, bool isExplicit)
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{
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Asn1Object asn1Object = obj.GetObject();
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if (isExplicit || asn1Object is DerUniversalString)
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{
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return GetInstance(asn1Object);
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}
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return new DerUniversalString(Asn1OctetString.GetInstance(asn1Object).GetOctets());
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}
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public DerUniversalString(byte[] str)
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{
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if (str == null)
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{
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throw new ArgumentNullException("str");
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}
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this.str = str;
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}
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public override string GetString()
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{
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StringBuilder stringBuilder = new StringBuilder("#");
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byte[] derEncoded = GetDerEncoded();
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for (int i = 0; i != derEncoded.Length; i++)
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{
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uint num = derEncoded[i];
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stringBuilder.Append(table[(num >> 4) & 0xF]);
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stringBuilder.Append(table[derEncoded[i] & 0xF]);
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}
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return stringBuilder.ToString();
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}
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public byte[] GetOctets()
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{
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return (byte[])str.Clone();
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}
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internal override void Encode(DerOutputStream derOut)
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{
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derOut.WriteEncoded(28, str);
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}
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protected override bool Asn1Equals(Asn1Object asn1Object)
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{
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if (!(asn1Object is DerUniversalString derUniversalString))
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{
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return false;
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}
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return Arrays.AreEqual(str, derUniversalString.str);
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}
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}
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