78 lines
1.6 KiB
C#
78 lines
1.6 KiB
C#
using System;
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using Org.BouncyCastle.Utilities;
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namespace Org.BouncyCastle.Asn1;
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public class DerBmpString : DerStringBase
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{
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private readonly string str;
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public static DerBmpString GetInstance(object obj)
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{
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if (obj == null || obj is DerBmpString)
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{
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return (DerBmpString)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 DerBmpString 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 DerBmpString)
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{
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return GetInstance(asn1Object);
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}
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return new DerBmpString(Asn1OctetString.GetInstance(asn1Object).GetOctets());
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}
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public DerBmpString(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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char[] array = new char[str.Length / 2];
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for (int i = 0; i != array.Length; i++)
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{
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array[i] = (char)((str[2 * i] << 8) | (str[2 * i + 1] & 0xFF));
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}
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this.str = new string(array);
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}
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public DerBmpString(string 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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return 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 DerBmpString derBmpString))
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{
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return false;
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}
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return str.Equals(derBmpString.str);
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}
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internal override void Encode(DerOutputStream derOut)
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{
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char[] array = str.ToCharArray();
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byte[] array2 = new byte[array.Length * 2];
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for (int i = 0; i != array.Length; i++)
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{
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array2[2 * i] = (byte)((int)array[i] >> 8);
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array2[2 * i + 1] = (byte)array[i];
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}
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derOut.WriteEncoded(30, array2);
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}
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}
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