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using System;
namespace Org.BouncyCastle.Asn1.X509
{
/**
* an object for the elements in the X.509 V3 extension block.
*/
public class X509Extension
{
internal bool critical;
internal Asn1OctetString value;
public X509Extension(
DerBoolean critical,
Asn1OctetString value)
{
if (critical == null)
{
throw new ArgumentNullException("critical");
}
this.critical = critical.IsTrue;
this.value = value;
}
public X509Extension(
bool critical,
Asn1OctetString value)
{
this.critical = critical;
this.value = value;
}
public bool IsCritical { get { return critical; } }
public Asn1OctetString Value { get { return value; } }
public Asn1Encodable GetParsedValue()
{
return ConvertValueToObject(this);
}
public override int GetHashCode()
{
int vh = this.Value.GetHashCode();
return IsCritical ? vh : ~vh;
}
public override bool Equals(
object obj)
{
X509Extension other = obj as X509Extension;
if (other == null)
{
return false;
}
return Value.Equals(other.Value) && IsCritical == other.IsCritical;
}
/// <sumary>Convert the value of the passed in extension to an object.</sumary>
/// <param name="ext">The extension to parse.</param>
/// <returns>The object the value string contains.</returns>
/// <exception cref="ArgumentException">If conversion is not possible.</exception>
public static Asn1Object ConvertValueToObject(
X509Extension ext)
{
try
{
return Asn1Object.FromByteArray(ext.Value.GetOctets());
}
catch (Exception e)
{
throw new ArgumentException("can't convert extension", e);
}
}
}
}
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