Package org.bouncycastle.crypto.macs

Examples of org.bouncycastle.crypto.macs.HMac.doFinal()

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        loadStore(mIn);

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

        hMac.doFinal(mac, 0);

        for (int i = 0; i != oldMac.length; i++)
        {
            oldMac[i] = (byte)dIn.read();
        }
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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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        byte[] buf2 = new byte[mac.getMacSize()];
        for (int i = 0; i < iterations; i++)
        {
            mac.init(param);
            mac.update(a, 0, a.length);
            mac.doFinal(buf, 0);
            a = buf;
            mac.init(param);
            mac.update(a, 0, a.length);
            mac.update(seed, 0, seed.length);
            mac.doFinal(buf2, 0);
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            mac.doFinal(buf, 0);
            a = buf;
            mac.init(param);
            mac.update(a, 0, a.length);
            mac.update(seed, 0, seed.length);
            mac.doFinal(buf2, 0);
            System.arraycopy(buf2, 0, out, (size * i), Math.min(size, out.length - (size * i)));
        }
    }

    protected static void PRF(byte[] secret, byte[] label, byte[] seed, byte[] buf)
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            HMac m=new HMac(new SHA1Digest());
            m.init(new KeyParameter(key.getBytes("UTF-8")));
            byte[] bytes=message.getBytes("UTF-8");
            m.update(bytes, 0, bytes.length);
            byte[] mac = new byte[m.getMacSize()];
            m.doFinal(mac, 0);
            signature = new String(Util.base64Encode(mac));
           
            // debug
            System.out.println("mac alg: "+m.getAlgorithmName());
            System.out.println("dig alg: "+m.getUnderlyingDigest().getAlgorithmName());
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        byte[] buf2 = new byte[mac.getMacSize()];
        for (int i = 0; i < iterations; i++)
        {
            mac.init(param);
            mac.update(a, 0, a.length);
            mac.doFinal(buf, 0);
            a = buf;
            mac.init(param);
            mac.update(a, 0, a.length);
            mac.update(seed, 0, seed.length);
            mac.doFinal(buf2, 0);
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            mac.doFinal(buf, 0);
            a = buf;
            mac.init(param);
            mac.update(a, 0, a.length);
            mac.update(seed, 0, seed.length);
            mac.doFinal(buf2, 0);
            System.arraycopy(buf2, 0, out, (size * i), Math.min(size, out.length - (size * i)));
        }
    }

    protected static void PRF(byte[] secret, byte[] label, byte[] seed, byte[] buf)
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        byte[] buf2 = new byte[mac.getMacSize()];
        for (int i = 0; i < iterations; i++)
        {
            mac.init(param);
            mac.update(a, 0, a.length);
            mac.doFinal(buf, 0);
            a = buf;
            mac.init(param);
            mac.update(a, 0, a.length);
            mac.update(seed, 0, seed.length);
            mac.doFinal(buf2, 0);
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            mac.doFinal(buf, 0);
            a = buf;
            mac.init(param);
            mac.update(a, 0, a.length);
            mac.update(seed, 0, seed.length);
            mac.doFinal(buf2, 0);
            System.arraycopy(buf2, 0, out, (size * i), Math.min(size, out.length - (size * i)));
        }
    }

    protected static void PRF(byte[] secret, byte[] label, byte[] seed, byte[] buf)
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        loadStore(mIn);

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

        hMac.doFinal(mac, 0);

        for (int i = 0; i != oldMac.length; i++)
        {
            oldMac[i] = (byte)dIn.read();
        }
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