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137 lines
3.5 KiB
137 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 BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1 |
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{ |
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/** |
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* Der BMPString object. |
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*/ |
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public class DerBmpString |
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: DerStringBase |
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{ |
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private readonly string str; |
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/** |
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* return a BMP 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 DerBmpString GetInstance( |
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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: " + BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.GetTypeName(obj)); |
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} |
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/** |
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* return a BMP 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 DerBmpString 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 DerBmpString) |
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{ |
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return GetInstance(o); |
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} |
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return new DerBmpString(Asn1OctetString.GetInstance(o).GetOctets()); |
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} |
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/** |
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* basic constructor - byte encoded string. |
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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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throw new ArgumentNullException("str"); |
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int byteLen = str.Length; |
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if (0 != (byteLen & 1)) |
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throw new ArgumentException("malformed BMPString encoding encountered", "str"); |
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int charLen = byteLen / 2; |
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char[] cs = new char[charLen]; |
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for (int i = 0; i != charLen; i++) |
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{ |
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cs[i] = (char)((str[2 * i] << 8) | (str[2 * i + 1] & 0xff)); |
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} |
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this.str = new string(cs); |
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} |
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internal DerBmpString(char[] 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 = new string(str); |
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} |
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/** |
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* basic constructor |
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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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throw new ArgumentNullException("str"); |
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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( |
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Asn1Object asn1Object) |
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{ |
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DerBmpString other = asn1Object as DerBmpString; |
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if (other == null) |
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return false; |
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return this.str.Equals(other.str); |
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} |
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internal override int EncodedLength(bool withID) |
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{ |
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return Asn1OutputStream.GetLengthOfEncodingDL(withID, str.Length * 2); |
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} |
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internal override void Encode(Asn1OutputStream asn1Out, bool withID) |
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{ |
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char[] c = str.ToCharArray(); |
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byte[] b = new byte[c.Length * 2]; |
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for (int i = 0; i != c.Length; i++) |
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{ |
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b[2 * i] = (byte)(c[i] >> 8); |
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b[2 * i + 1] = (byte)c[i]; |
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} |
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asn1Out.WriteEncodingDL(withID, Asn1Tags.BmpString, b); |
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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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