Examples of org.apache.directory.server.kerberos.shared.messages.value.EncryptedData

Package org.apache.directory.server.kerberos.shared.messages.value

Examples of org.apache.directory.server.kerberos.shared.messages.value.EncryptedData

org.apache.directory.server.kerberos.shared.messages.value.EncryptedData
A structure storing an encrypted data element. The ASN.1 grammar is : EncryptedData ::= SEQUENCE { etype [0] Int32 -- EncryptionType --, kvno [1] UInt32 OPTIONAL, cipher [2] OCTET STRING -- ciphertext } @author Apache Directory Project @version $Rev: 902575 $, $Date: 2010-01-24 15:38:06 +0100 (Dim, 24 jan 2010) $

    protected Ticket getTicket( EncTicketPartModifier encTicketModifier, KerberosPrincipal serverPrincipal,
        EncryptionKey serverKey ) throws KerberosException
    {
        EncTicketPart encTicketPart = encTicketModifier.getEncTicketPart();


        EncryptedData encryptedTicketPart = lockBox.seal( serverKey, encTicketPart, KeyUsage.NUMBER2 );


        Ticket ticket = new Ticket();
        ticket.setTktVno( 5 );
        ticket.setServerPrincipal( serverPrincipal );
        ticket.setEncPart( encryptedTicketPart );

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        // Generate a new sequence number.
        sequenceNumber = random.nextInt();
        now = new KerberosTime();


        EncryptedData authenticator = getAuthenticator( tgt.getEncTicketPart().getClientPrincipal(), requestBody, checksumType );


        PaData[] paData = getPreAuthenticationData( tgt, authenticator );


        return new KdcRequest( 5, KerberosMessageType.TGS_REQ, paData, requestBody );
    }

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        Checksum checksum = getBodyChecksum( requestBody, checksumType );
        authenticatorModifier.setChecksum( checksum );


        Authenticator authenticator = authenticatorModifier.getAuthenticator();


        EncryptedData encryptedAuthenticator = lockBox.seal( sessionKey, authenticator, KeyUsage.NUMBER7 );


        return encryptedAuthenticator;
    }

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            paddedDataBytes[i] = checksumBytes[i - getConfounderLength()];
        }


        byte[] encryptedData = encrypt( paddedDataBytes, key.getKeyValue() );


        return new EncryptedData( getEncryptionType(), key.getKeyVersion(), encryptedData );
    }

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            paddedDataBytes[i] = checksumBytes[i - getConfounderLength()];
        }


        byte[] encryptedData = encrypt( paddedDataBytes, key.getKeyValue() );


        return new EncryptedData( getEncryptionType(), key.getKeyVersion(), encryptedData );
    }

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    }




    public EncryptedData getEncryptedData( EncryptionKey key, byte[] plainText, KeyUsage usage )
    {
        return new EncryptedData( getEncryptionType(), key.getKeyVersion(), plainText );
    }

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        // get the subsession key from the Authenticator
        EncryptionKey subSessionKey = authenticator.getSubSessionKey();


        // decrypt the request's private message with the subsession key
        EncryptedData encReqPrivPart = request.getPrivateMessage().getEncryptedPart();


        EncKrbPrivPart privatePart;


        try
        {

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        EncKrbPrivPart privPart = modifier.getEncKrbPrivPart();


        // get the subsession key from the Authenticator
        EncryptionKey subSessionKey = authenticator.getSubSessionKey();


        EncryptedData encPrivPart;


        try
        {
            encPrivPart = cipherTextHandler.seal( subSessionKey, privPart, KeyUsage.NUMBER13 );
        }
        catch ( KerberosException ke )
        {
            throw new ChangePasswordException( ErrorType.KRB5_KPASSWD_SOFTERROR, ke );
        }


        PrivateMessage privateMessage = new PrivateMessage( encPrivPart );


        // Begin AP_REP generation
        EncApRepPartModifier encApModifier = new EncApRepPartModifier();
        encApModifier.setClientTime( authenticator.getClientTime() );
        encApModifier.setClientMicroSecond( authenticator.getClientMicroSecond() );
        encApModifier.setSequenceNumber( new Integer( authenticator.getSequenceNumber() ) );
        encApModifier.setSubSessionKey( authenticator.getSubSessionKey() );


        EncApRepPart repPart = encApModifier.getEncApRepPart();


        EncryptedData encRepPart;


        try
        {
            encRepPart = cipherTextHandler.seal( ticket.getEncTicketPart().getSessionKey(), repPart, KeyUsage.NUMBER12 );
        }

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        byte[] plainText =
            { 1, 2, 3, 4, 5, 6, 7 };


        DesCbcMd5Encryption encryption = new DesCbcMd5Encryption();
        EncryptedData encryptedData = encryption.getEncryptedData( encryptionKey, plainText, null );


        byte[] recoveredText = encryption.getDecryptedData( encryptionKey, encryptedData, null );


        assertTrue( beginsWith( plainText, recoveredText ) );
    }

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        byte[] plainText =
            { 1, 2, 3, 4, 5, 6, 7, 8 };


        DesCbcMd5Encryption encryption = new DesCbcMd5Encryption();
        EncryptedData encryptedData = encryption.getEncryptedData( encryptionKey, plainText, null );


        byte[] recoveredText = encryption.getDecryptedData( encryptionKey, encryptedData, null );


        assertTrue( beginsWith( plainText, recoveredText ) );
    }

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