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package org.bouncycastle.asn1.eac;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Sequence;
public abstract class PublicKeyDataObject
extends ASN1Object
{
public static PublicKeyDataObject getInstance(Object obj)
{
if (obj instanceof PublicKeyDataObject)
{
return (PublicKeyDataObject)obj;
}
if (obj != null)
{
ASN1Sequence seq = ASN1Sequence.getInstance(obj);
ASN1ObjectIdentifier usage = ASN1ObjectIdentifier.getInstance(seq.getObjectAt(0));
if (usage.on(EACObjectIdentifiers.id_TA_ECDSA))
{
return new ECDSAPublicKey(seq);
}
else
{
return new RSAPublicKey(seq);
}
}
return null;
}
public abstract ASN1ObjectIdentifier getUsage();
}
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