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package org.spongycastle.cert.crmf;
import java.io.IOException;
import java.io.OutputStream;
import org.spongycastle.asn1.ASN1Encoding;
import org.spongycastle.asn1.DERBitString;
import org.spongycastle.asn1.crmf.PKMACValue;
import org.spongycastle.asn1.x509.SubjectPublicKeyInfo;
import org.spongycastle.operator.MacCalculator;
class PKMACValueGenerator
{
private PKMACBuilder builder;
public PKMACValueGenerator(PKMACBuilder builder)
{
this.builder = builder;
}
public PKMACValue generate(char[] password, SubjectPublicKeyInfo keyInfo)
throws CRMFException
{
MacCalculator calculator = builder.build(password);
OutputStream macOut = calculator.getOutputStream();
try
{
macOut.write(keyInfo.getEncoded(ASN1Encoding.DER));
macOut.close();
}
catch (IOException e)
{
throw new CRMFException("exception encoding mac input: " + e.getMessage(), e);
}
return new PKMACValue(calculator.getAlgorithmIdentifier(), new DERBitString(calculator.getMac()));
}
}
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