107 lines
2.8 KiB
C#
107 lines
2.8 KiB
C#
using System;
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using Org.BouncyCastle.Asn1.X509;
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namespace Org.BouncyCastle.Asn1.Crmf;
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public class EncryptedValue : Asn1Encodable
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{
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private readonly AlgorithmIdentifier intendedAlg;
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private readonly AlgorithmIdentifier symmAlg;
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private readonly DerBitString encSymmKey;
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private readonly AlgorithmIdentifier keyAlg;
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private readonly Asn1OctetString valueHint;
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private readonly DerBitString encValue;
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public virtual AlgorithmIdentifier IntendedAlg => intendedAlg;
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public virtual AlgorithmIdentifier SymmAlg => symmAlg;
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public virtual DerBitString EncSymmKey => encSymmKey;
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public virtual AlgorithmIdentifier KeyAlg => keyAlg;
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public virtual Asn1OctetString ValueHint => valueHint;
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public virtual DerBitString EncValue => encValue;
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private EncryptedValue(Asn1Sequence seq)
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{
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int i;
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for (i = 0; seq[i] is Asn1TaggedObject; i++)
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{
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Asn1TaggedObject asn1TaggedObject = (Asn1TaggedObject)seq[i];
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switch (asn1TaggedObject.TagNo)
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{
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case 0:
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intendedAlg = AlgorithmIdentifier.GetInstance(asn1TaggedObject, explicitly: false);
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break;
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case 1:
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symmAlg = AlgorithmIdentifier.GetInstance(asn1TaggedObject, explicitly: false);
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break;
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case 2:
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encSymmKey = DerBitString.GetInstance(asn1TaggedObject, isExplicit: false);
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break;
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case 3:
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keyAlg = AlgorithmIdentifier.GetInstance(asn1TaggedObject, explicitly: false);
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break;
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case 4:
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valueHint = Asn1OctetString.GetInstance(asn1TaggedObject, isExplicit: false);
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break;
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}
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}
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encValue = DerBitString.GetInstance(seq[i]);
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}
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public static EncryptedValue GetInstance(object obj)
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{
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if (obj is EncryptedValue)
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{
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return (EncryptedValue)obj;
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}
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if (obj != null)
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{
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return new EncryptedValue(Asn1Sequence.GetInstance(obj));
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}
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return null;
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}
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public EncryptedValue(AlgorithmIdentifier intendedAlg, AlgorithmIdentifier symmAlg, DerBitString encSymmKey, AlgorithmIdentifier keyAlg, Asn1OctetString valueHint, DerBitString encValue)
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{
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if (encValue == null)
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{
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throw new ArgumentNullException("encValue");
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}
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this.intendedAlg = intendedAlg;
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this.symmAlg = symmAlg;
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this.encSymmKey = encSymmKey;
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this.keyAlg = keyAlg;
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this.valueHint = valueHint;
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this.encValue = encValue;
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}
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public override Asn1Object ToAsn1Object()
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{
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Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector();
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AddOptional(asn1EncodableVector, 0, intendedAlg);
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AddOptional(asn1EncodableVector, 1, symmAlg);
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AddOptional(asn1EncodableVector, 2, encSymmKey);
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AddOptional(asn1EncodableVector, 3, keyAlg);
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AddOptional(asn1EncodableVector, 4, valueHint);
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asn1EncodableVector.Add(encValue);
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return new DerSequence(asn1EncodableVector);
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}
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private void AddOptional(Asn1EncodableVector v, int tagNo, Asn1Encodable obj)
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{
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if (obj != null)
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{
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v.Add(new DerTaggedObject(explicitly: false, tagNo, obj));
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}
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}
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}
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