65 lines
1.4 KiB
C#
65 lines
1.4 KiB
C#
using System;
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namespace Org.BouncyCastle.Asn1.X509;
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public class SubjectPublicKeyInfo : Asn1Encodable
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{
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private readonly AlgorithmIdentifier algID;
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private readonly DerBitString keyData;
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public AlgorithmIdentifier AlgorithmID => algID;
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public DerBitString PublicKeyData => keyData;
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public static SubjectPublicKeyInfo GetInstance(Asn1TaggedObject obj, bool explicitly)
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{
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return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
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}
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public static SubjectPublicKeyInfo GetInstance(object obj)
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{
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if (obj is SubjectPublicKeyInfo)
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{
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return (SubjectPublicKeyInfo)obj;
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}
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if (obj != null)
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{
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return new SubjectPublicKeyInfo(Asn1Sequence.GetInstance(obj));
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}
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return null;
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}
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public SubjectPublicKeyInfo(AlgorithmIdentifier algID, Asn1Encodable publicKey)
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{
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keyData = new DerBitString(publicKey);
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this.algID = algID;
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}
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public SubjectPublicKeyInfo(AlgorithmIdentifier algID, byte[] publicKey)
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{
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keyData = new DerBitString(publicKey);
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this.algID = algID;
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}
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private SubjectPublicKeyInfo(Asn1Sequence seq)
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{
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if (seq.Count != 2)
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{
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throw new ArgumentException("Bad sequence size: " + seq.Count, "seq");
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}
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algID = AlgorithmIdentifier.GetInstance(seq[0]);
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keyData = DerBitString.GetInstance(seq[1]);
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}
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public Asn1Object GetPublicKey()
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{
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return Asn1Object.FromByteArray(keyData.GetOctets());
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}
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public override Asn1Object ToAsn1Object()
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{
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return new DerSequence(algID, keyData);
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}
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}
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