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The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 and up. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.

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package org.bouncycastle.crypto.test;

import org.bouncycastle.crypto.digests.SHA1Digest;
import org.bouncycastle.crypto.macs.HMac;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.util.Arrays;
import org.bouncycastle.util.encoders.Hex;
import org.bouncycastle.util.test.SimpleTestResult;
import org.bouncycastle.util.test.Test;
import org.bouncycastle.util.test.TestResult;

/**
 * SHA1 HMac Test, test vectors from RFC 2202
 */
public class SHA1HMacTest
    implements Test
{
    final static String[] keys = {
        "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
        "4a656665",
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "0102030405060708090a0b0c0d0e0f10111213141516171819",
        "0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c",
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F202122232425262728292A2B2C2D2E2F303132333435363738393A3B3C3D3E3F"
    };

    final static String[] digests = {
        "b617318655057264e28bc0b6fb378c8ef146be00",
        "effcdf6ae5eb2fa2d27416d5f184df9c259a7c79",
        "125d7342b9ac11cd91a39af48aa17b4f63f175d3",
        "4c9007f4026250c6bc8414f9bf50c86c2d7235da",
        "4c1a03424b55e07fe7f27be1d58bb9324a9a5a04",
        "aa4ae5e15272d00e95705637ce8a3b55ed402112",
        "e8e99d0f45237d786d6bbaa7965c7808bbff1a91",
        "5FD596EE78D5553C8FF4E72D266DFD192366DA29"
    };

    final static String[] messages = {
        "Hi There",
        "what do ya want for nothing?",
        "0xdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd",
        "0xcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd",
        "Test With Truncation",
        "Test Using Larger Than Block-Size Key - Hash Key First",
        "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data",
        "Sample message for keylen=blocklen"
    };
        
    public String getName()
    {
        return "SHA1HMac";
    }

    public TestResult perform()
    {
        HMac hmac = new HMac(new SHA1Digest());
        byte[] resBuf = new byte[hmac.getMacSize()];

        for (int i = 0; i < messages.length; i++)
        {
            byte[] m = messages[i].getBytes();
            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 (!Arrays.areEqual(resBuf, Hex.decode(digests[i])))
            {
                return new SimpleTestResult(false, getName() + ": Vector " + i + " failed");
            }
        }

        //
        // test reset
        //
        int vector = 0; // vector used for test
        byte[] m = messages[vector].getBytes();
        if (messages[vector].startsWith("0x"))
        {
            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 (!Arrays.areEqual(resBuf, Hex.decode(digests[vector])))
        {
            return new SimpleTestResult(false, getName() +
                    "Reset with vector " + vector + " failed");
        }

        return new SimpleTestResult(true, getName() + ": Okay");
    }

    public static void main(
        String[]    args)
    {
        SHA1HMacTest    test = new SHA1HMacTest();
        TestResult      result = test.perform();

        System.out.println(result);
    }
}