kerby-kerb/kerb-core/src/test/java/org/apache/kerby/kerberos/kerb/codec/TestPkinitRsaAsRepCodec.java

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 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
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package org.apache.kerby.kerberos.kerb.codec;

import org.apache.kerby.asn1.Asn1;
import org.apache.kerby.cms.type.ContentInfo;
import org.apache.kerby.cms.type.EnvelopedData;
import org.apache.kerby.kerberos.kerb.type.base.KrbMessageType;
import org.apache.kerby.kerberos.kerb.type.kdc.AsRep;
import org.apache.kerby.kerberos.kerb.type.pa.PaData;
import org.apache.kerby.kerberos.kerb.type.pa.PaDataEntry;
import org.apache.kerby.kerberos.kerb.type.pa.PaDataType;
import org.apache.kerby.kerberos.kerb.type.pa.pkinit.PaPkAsRep;
import org.junit.Test;

import java.io.IOException;
import java.nio.ByteBuffer;

import static org.assertj.core.api.Assertions.assertThat;

public class TestPkinitRsaAsRepCodec {
    @Test
    public void test() throws IOException {
        byte[] bytes = CodecTestUtil.readDataFile("/pkinit_rsa_asrep.token");
        ByteBuffer asRepToken = ByteBuffer.wrap(bytes);

        AsRep asRep = new AsRep();
        asRep.decode(asRepToken);

        assertThat(asRep.getPvno()).isEqualTo(5);
        assertThat(asRep.getMsgType()).isEqualTo(KrbMessageType.AS_REP);
        PaData paData = asRep.getPaData();

        PaDataEntry pkAsRepEntry = paData.findEntry(PaDataType.PK_AS_REP);
        assertThat(pkAsRepEntry.getPaDataType()).isEqualTo(PaDataType.PK_AS_REP);

        PaPkAsRep paPkAsRep = new PaPkAsRep();
        byte[] padataValue = pkAsRepEntry.getPaDataValue();
        paPkAsRep.decode(padataValue);

        assertThat(paPkAsRep.getEncKeyPack()).isNotNull();

        byte[] encKeyPack = paPkAsRep.getEncKeyPack();
        Asn1.parseAndDump(encKeyPack);
        ContentInfo contentInfo = new ContentInfo();
        contentInfo.decode(encKeyPack);
        assertThat(contentInfo.getContentType().getValue()).isEqualTo("1.2.840.113549.1.7.3");
        EnvelopedData envelopedData = contentInfo.getContentAs(EnvelopedData.class);
        Asn1.dump(envelopedData);
    }
}