Examples of org.bouncycastle2.crypto.Mac.doFinal()

org.bouncycastle2.crypto.Mac.doFinal()
Compute the final stage of the MAC writing the output to the out parameter.
doFinal leaves the MAC in the same state it was after the last init. @param out the array the MAC is to be output to. @param outOff the offset into the out buffer the output is to start at. @exception DataLengthException if there isn't enough space in out. @exception IllegalStateException if the MAC is not initialised.

        //
        // add the text
        //
        cMac.update(data, dataOff, dataLen);


        return cMac.doFinal(macBlock, 0);
    }


    private boolean hasAssociatedText()
    {
        return associatedText != null && associatedText.length != 0;

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            loadStore(mIn);


            // Finalise our mac calculation
            byte[] mac = new byte[hMac.getMacSize()];
            hMac.doFinal(mac, 0);


            // TODO Should this actually be reading the remainder of the stream?
            // Read the original mac from the stream
            byte[] oldMac = new byte[hMac.getMacSize()];
            dIn.readFully(oldMac);

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        saveStore(mOut);


        byte[]  mac = new byte[hMac.getMacSize()];


        hMac.doFinal(mac, 0);


        dOut.write(mac);


        dOut.close();
    }

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