Examples of org.bouncycastle2.crypto.Digest.update()

org.bouncycastle2.crypto.Digest.update()
update the message digest with a single byte. @param in the input byte to be entered.

            {
                cMac.update((byte)0xff);
                cMac.update((byte)0xfe);
                cMac.update((byte)(associatedText.length >> 24));
                cMac.update((byte)(associatedText.length >> 16));
                cMac.update((byte)(associatedText.length >> 8));
                cMac.update((byte)associatedText.length);
                
                extra = 6;
            }

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                cMac.update((byte)0xff);
                cMac.update((byte)0xfe);
                cMac.update((byte)(associatedText.length >> 24));
                cMac.update((byte)(associatedText.length >> 16));
                cMac.update((byte)(associatedText.length >> 8));
                cMac.update((byte)associatedText.length);
                
                extra = 6;
            }
            
            cMac.update(associatedText, 0, associatedText.length);

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                cMac.update((byte)associatedText.length);
                
                extra = 6;
            }
            
            cMac.update(associatedText, 0, associatedText.length);
            
            extra = (extra + associatedText.length) % 16;
            if (extra != 0)
            {
                for (int i = 0; i != 16 - extra; i++)

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            extra = (extra + associatedText.length) % 16;
            if (extra != 0)
            {
                for (int i = 0; i != 16 - extra; i++)
                {
                    cMac.update((byte)0x00);
                }
            }
        }
        
        //

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


        return cMac.doFinal(macBlock, 0);
    }


    private boolean hasAssociatedText()

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    {
        Digest  digest = new SHA1Digest();
        byte[]  resBuf = new byte[digest.getDigestSize()];


        byte[] bytes = spki.getPublicKeyData().getBytes();
        digest.update(bytes, 0, bytes.length);
        digest.doFinal(resBuf, 0);
        this.keyidentifier = new DEROctetString(resBuf);
    }


    /**

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    {
        Digest  digest = new SHA1Digest();
        byte[]  resBuf = new byte[digest.getDigestSize()];


        byte[] bytes = spki.getPublicKeyData().getBytes();
        digest.update(bytes, 0, bytes.length);
        digest.doFinal(resBuf, 0);


        this.keyidentifier = new DEROctetString(resBuf);
        this.certissuer = GeneralNames.getInstance(name.toASN1Object());
        this.certserno = new DERInteger(serialNumber);

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    {
        Digest digest = new SHA1Digest();
        byte[]  resBuf = new byte[digest.getDigestSize()];


        byte[] bytes = spki.getPublicKeyData().getBytes();
        digest.update(bytes, 0, bytes.length);
        digest.doFinal(resBuf, 0);
        return resBuf;
    }
}

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            b0[b0.length - count] = (byte)(q & 0xff);
            q >>>= 8;
            count++;
        }
        
        cMac.update(b0, 0, b0.length);
        
        //
        // process associated text
        //
        if (hasAssociatedText())

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        {
            int extra;
            
            if (associatedText.length < ((1 << 16) - (1 << 8)))
            {
                cMac.update((byte)(associatedText.length >> 8));
                cMac.update((byte)associatedText.length);
                
                extra = 2;
            }
            else // can't go any higher than 2^32

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