145 lines
3.5 KiB
C#
145 lines
3.5 KiB
C#
using System;
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using System.Collections;
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using Org.BouncyCastle.Asn1;
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namespace Org.BouncyCastle.Asn1.Esf
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{
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/**
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* Signer-Location attribute (RFC3126).
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*
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* <pre>
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* SignerLocation ::= SEQUENCE {
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* countryName [0] DirectoryString OPTIONAL,
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* localityName [1] DirectoryString OPTIONAL,
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* postalAddress [2] PostalAddress OPTIONAL }
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*
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* PostalAddress ::= SEQUENCE SIZE(1..6) OF DirectoryString
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* </pre>
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*/
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public class SignerLocation
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: Asn1Encodable
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{
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// TODO Should these be using DirectoryString?
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private DerUtf8String countryName;
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private DerUtf8String localityName;
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private Asn1Sequence postalAddress;
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public SignerLocation(
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Asn1Sequence seq)
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{
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foreach (Asn1TaggedObject obj in seq)
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{
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switch (obj.TagNo)
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{
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case 0:
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this.countryName = DerUtf8String.GetInstance(obj, true);
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break;
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case 1:
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this.localityName = DerUtf8String.GetInstance(obj, true);
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break;
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case 2:
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bool isExplicit = obj.IsExplicit(); // handle erroneous implicitly tagged sequences
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this.postalAddress = Asn1Sequence.GetInstance(obj, isExplicit);
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if (postalAddress != null && postalAddress.Count > 6)
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throw new ArgumentException("postal address must contain less than 6 strings");
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break;
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default:
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throw new ArgumentException("illegal tag");
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}
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}
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}
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public SignerLocation(
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DerUtf8String countryName,
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DerUtf8String localityName,
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Asn1Sequence postalAddress)
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{
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if (postalAddress != null && postalAddress.Count > 6)
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{
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throw new ArgumentException("postal address must contain less than 6 strings");
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}
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if (countryName != null)
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{
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this.countryName = DerUtf8String.GetInstance(countryName.ToAsn1Object());
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}
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if (localityName != null)
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{
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this.localityName = DerUtf8String.GetInstance(localityName.ToAsn1Object());
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}
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if (postalAddress != null)
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{
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this.postalAddress = (Asn1Sequence) postalAddress.ToAsn1Object();
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}
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}
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public static SignerLocation GetInstance(
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object obj)
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{
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if (obj == null || obj is SignerLocation)
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{
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return (SignerLocation) obj;
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}
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return new SignerLocation(Asn1Sequence.GetInstance(obj));
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}
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public DerUtf8String CountryName
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{
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get { return countryName; }
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}
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public DerUtf8String LocalityName
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{
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get { return localityName; }
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}
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public Asn1Sequence PostalAddress
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{
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get { return postalAddress; }
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}
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/**
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* <pre>
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* SignerLocation ::= SEQUENCE {
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* countryName [0] DirectoryString OPTIONAL,
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* localityName [1] DirectoryString OPTIONAL,
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* postalAddress [2] PostalAddress OPTIONAL }
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*
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* PostalAddress ::= SEQUENCE SIZE(1..6) OF DirectoryString
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*
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* DirectoryString ::= CHOICE {
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* teletexString TeletexString (SIZE (1..MAX)),
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* printableString PrintableString (SIZE (1..MAX)),
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* universalString UniversalString (SIZE (1..MAX)),
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* utf8String UTF8String (SIZE (1.. MAX)),
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* bmpString BMPString (SIZE (1..MAX)) }
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* </pre>
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*/
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public override Asn1Object ToAsn1Object()
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{
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Asn1EncodableVector v = new Asn1EncodableVector();
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if (countryName != null)
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{
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v.Add(new DerTaggedObject(true, 0, countryName));
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}
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if (localityName != null)
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{
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v.Add(new DerTaggedObject(true, 1, localityName));
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}
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if (postalAddress != null)
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{
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v.Add(new DerTaggedObject(true, 2, postalAddress));
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}
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return new DerSequence(v);
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}
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}
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}
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