BiometricData.cs :  » PDF » iTextSharp » Org » BouncyCastle » Asn1 » X509 » Qualified » C# / CSharp Open Source

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C# / CSharp Open Source » PDF » iTextSharp 
iTextSharp » Org » BouncyCastle » Asn1 » X509 » Qualified » BiometricData.cs
using System;
using System.Collections;

using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.X509;

namespace Org.BouncyCastle.Asn1.X509.Qualified{
    /**
    * The BiometricData object.
    * <pre>
    * BiometricData  ::=  SEQUENCE {
    *       typeOfBiometricData  TypeOfBiometricData,
    *       hashAlgorithm        AlgorithmIdentifier,
    *       biometricDataHash    OCTET STRING,
    *       sourceDataUri        IA5String OPTIONAL  }
    * </pre>
    */
    public class BiometricData
        : Asn1Encodable
    {
        private readonly TypeOfBiometricData typeOfBiometricData;
        private readonly AlgorithmIdentifier hashAlgorithm;
        private readonly Asn1OctetString     biometricDataHash;
        private readonly DerIA5String        sourceDataUri;

        public static BiometricData GetInstance(
            object obj)
        {
            if (obj == null || obj is BiometricData)
            {
                return (BiometricData)obj;
            }

            if (obj is Asn1Sequence)
            {
        return new BiometricData(Asn1Sequence.GetInstance(obj));
            }

      throw new ArgumentException("unknown object in GetInstance: " + obj.GetType().FullName, "obj");
    }

    private BiometricData(
      Asn1Sequence seq)
        {
      typeOfBiometricData = TypeOfBiometricData.GetInstance(seq[0]);
      hashAlgorithm = AlgorithmIdentifier.GetInstance(seq[1]);
      biometricDataHash = Asn1OctetString.GetInstance(seq[2]);

      if (seq.Count > 3)
      {
        sourceDataUri = DerIA5String.GetInstance(seq[3]);
      }
        }

    public BiometricData(
            TypeOfBiometricData  typeOfBiometricData,
            AlgorithmIdentifier  hashAlgorithm,
            Asn1OctetString    biometricDataHash,
            DerIA5String    sourceDataUri)
        {
            this.typeOfBiometricData = typeOfBiometricData;
            this.hashAlgorithm = hashAlgorithm;
            this.biometricDataHash = biometricDataHash;
            this.sourceDataUri = sourceDataUri;
        }

        public BiometricData(
            TypeOfBiometricData  typeOfBiometricData,
            AlgorithmIdentifier  hashAlgorithm,
            Asn1OctetString    biometricDataHash)
        {
            this.typeOfBiometricData = typeOfBiometricData;
            this.hashAlgorithm = hashAlgorithm;
            this.biometricDataHash = biometricDataHash;
            this.sourceDataUri = null;
        }

        public TypeOfBiometricData TypeOfBiometricData
        {
      get { return typeOfBiometricData; }
        }

    public AlgorithmIdentifier HashAlgorithm
    {
      get { return hashAlgorithm; }
    }

    public Asn1OctetString BiometricDataHash
    {
      get { return biometricDataHash; }
    }

    public DerIA5String SourceDataUri
    {
      get { return sourceDataUri; }
    }

    public override Asn1Object ToAsn1Object()
        {
            Asn1EncodableVector seq = new Asn1EncodableVector(
        typeOfBiometricData, hashAlgorithm, biometricDataHash);

      if (sourceDataUri != null)
            {
                seq.Add(sourceDataUri);
            }

      return new DerSequence(seq);
        }
    }
}
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