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using System;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Utilities;
namespace Org.BouncyCastle.Asn1.Esf
{
/// <summary>
/// Summary description for OtherHashAlgAndValue.
/// </summary>
/// <remarks>
/// <code>
/// OtherHashAlgAndValue ::= SEQUENCE {
/// hashAlgorithm AlgorithmIdentifier,
/// hashValue OtherHashValue
/// }
///
/// OtherHashValue ::= OCTET STRING
/// </code>
/// </remarks>
public class OtherHashAlgAndValue
: Asn1Encodable
{
private readonly AlgorithmIdentifier hashAlgorithm;
private readonly Asn1OctetString hashValue;
public static OtherHashAlgAndValue GetInstance(
object obj)
{
if (obj == null || obj is OtherHashAlgAndValue)
return (OtherHashAlgAndValue) obj;
if (obj is Asn1Sequence)
return new OtherHashAlgAndValue((Asn1Sequence) obj);
throw new ArgumentException(
"Unknown object in 'OtherHashAlgAndValue' factory: "
+ Platform.GetTypeName(obj),
"obj");
}
private OtherHashAlgAndValue(
Asn1Sequence seq)
{
if (seq == null)
throw new ArgumentNullException("seq");
if (seq.Count != 2)
throw new ArgumentException("Bad sequence size: " + seq.Count, "seq");
this.hashAlgorithm = AlgorithmIdentifier.GetInstance(seq[0].ToAsn1Object());
this.hashValue = (Asn1OctetString) seq[1].ToAsn1Object();
}
public OtherHashAlgAndValue(
AlgorithmIdentifier hashAlgorithm,
byte[] hashValue)
{
if (hashAlgorithm == null)
throw new ArgumentNullException("hashAlgorithm");
if (hashValue == null)
throw new ArgumentNullException("hashValue");
this.hashAlgorithm = hashAlgorithm;
this.hashValue = new DerOctetString(hashValue);
}
public OtherHashAlgAndValue(
AlgorithmIdentifier hashAlgorithm,
Asn1OctetString hashValue)
{
if (hashAlgorithm == null)
throw new ArgumentNullException("hashAlgorithm");
if (hashValue == null)
throw new ArgumentNullException("hashValue");
this.hashAlgorithm = hashAlgorithm;
this.hashValue = hashValue;
}
public AlgorithmIdentifier HashAlgorithm
{
get { return hashAlgorithm; }
}
public byte[] GetHashValue()
{
return hashValue.GetOctets();
}
public override Asn1Object ToAsn1Object()
{
return new DerSequence(hashAlgorithm, hashValue);
}
}
}
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