Package org.bouncycastle.crypto.macs

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

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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)));
        }
    }

    static void validateKeyUsage(org.bouncycastle.asn1.x509.Certificate c, int keyUsageBits)
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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(new TeeOutputStream(dOut, mOut));

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

        hMac.doFinal(mac, 0);

        dOut.write(mac);

        dOut.close();
    }
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        updateMac(mac, gx1);
        updateMac(mac, gx2);
        updateMac(mac, gx3);
        updateMac(mac, gx4);

        mac.doFinal(macOutput, 0);

        Arrays.fill(macKey, (byte)0);

        return new BigInteger(macOutput);
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    SHA1Digest digest = new SHA1Digest();
    HMac mac = new HMac(digest);
    mac.init(new KeyParameter(key));
    mac.update(data, 0, data.length);
    byte[] b = new byte[digest.getDigestSize()];
    mac.doFinal(b, 0);
    return b;
  }

}
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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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            {
                m = Hex.decode(messages[i].substring(2));
            }
            hmac.init(new KeyParameter(Hex.decode(keys[i])));
            hmac.update(m, 0, m.length);
            hmac.doFinal(resBuf, 0);

            if (!arraysEqual(resBuf, Hex.decode(digests[i])))
            {
                return new SimpleTestResult(false, getName() + ": Vector " + i + " failed");
            }
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        {
            m = Hex.decode(messages[vector].substring(2));
        }
        hmac.init(new KeyParameter(Hex.decode(keys[vector])));
        hmac.update(m, 0, m.length);
        hmac.doFinal(resBuf, 0);
        hmac.reset();
        hmac.update(m, 0, m.length);
        hmac.doFinal(resBuf, 0);

        if (!arraysEqual(resBuf, Hex.decode(digests[vector])))
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