Package org.bouncycastle.crypto.macs

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

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            if (messages[i].startsWith("0x"))
            {
                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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            if (messages[i].startsWith("0x"))
            {
                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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        byte[] buf = new byte[mac.getMacSize()];
        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);
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            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);
            System.arraycopy(buf2, 0, out, (size * i), Math.min(size, out.length - (size * i)));
        }
    }
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            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);
            System.arraycopy(buf2, 0, out, (size * i), Math.min(size, out.length - (size * i)));
        }
    }

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        byte[] buf = new byte[mac.getMacSize()];
        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);
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            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);
            System.arraycopy(buf2, 0, out, (size * i), Math.min(size, out.length - (size * i)));
        }
    }
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            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);
            System.arraycopy(buf2, 0, out, (size * i), Math.min(size, out.length - (size * i)));
        }
    }

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    public String getSignature() {
        try {
            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
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        byte[] buf = new byte[mac.getMacSize()];
        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);
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