90 lines
1.7 KiB
C#
90 lines
1.7 KiB
C#
using System;
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using Org.BouncyCastle.Asn1.Oiw;
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using Org.BouncyCastle.Asn1.X509;
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namespace Org.BouncyCastle.Asn1.Esf
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{
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/// <remarks>
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/// <code>
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/// OtherHash ::= CHOICE {
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/// sha1Hash OtherHashValue, -- This contains a SHA-1 hash
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/// otherHash OtherHashAlgAndValue
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/// }
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///
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/// OtherHashValue ::= OCTET STRING
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/// </code>
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/// </remarks>
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public class OtherHash
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: Asn1Encodable
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//, Asn1Choice
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{
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private readonly Asn1OctetString sha1Hash;
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private readonly OtherHashAlgAndValue otherHash;
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public static OtherHash GetInstance(
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object obj)
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{
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if (obj == null || obj is OtherHash)
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return (OtherHash) obj;
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if (obj is Asn1OctetString)
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return new OtherHash((Asn1OctetString) obj);
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return new OtherHash(
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OtherHashAlgAndValue.GetInstance(obj));
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}
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public OtherHash(
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byte[] sha1Hash)
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{
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if (sha1Hash == null)
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throw new ArgumentNullException("sha1Hash");
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this.sha1Hash = new DerOctetString(sha1Hash);
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}
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public OtherHash(
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Asn1OctetString sha1Hash)
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{
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if (sha1Hash == null)
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throw new ArgumentNullException("sha1Hash");
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this.sha1Hash = sha1Hash;
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}
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public OtherHash(
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OtherHashAlgAndValue otherHash)
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{
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if (otherHash == null)
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throw new ArgumentNullException("otherHash");
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this.otherHash = otherHash;
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}
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public AlgorithmIdentifier HashAlgorithm
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{
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get
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{
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return otherHash == null
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? new AlgorithmIdentifier(OiwObjectIdentifiers.IdSha1)
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: otherHash.HashAlgorithm;
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}
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}
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public byte[] GetHashValue()
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{
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return otherHash == null
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? sha1Hash.GetOctets()
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: otherHash.GetHashValue();
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}
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public override Asn1Object ToAsn1Object()
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{
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return otherHash == null
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? sha1Hash
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: otherHash.ToAsn1Object();
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}
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}
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}
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