Examples of org.bouncycastle.crypto.digests.SHA1Digest

org.bouncycastle.crypto.digests.SHA1Digest
implementation of SHA-1 as outlined in "Handbook of Applied Cryptography", pages 346 - 349. It is interesting to ponder why the, apart from the extra IV, the other difference here from MD5 is the "endienness" of the word processing!

    public static class DHwithSHA1KDF
        extends KeyAgreementSpi
    {
        public DHwithSHA1KDF()
        {
            super("ECDHwithSHA1KDF", new ECDHBasicAgreement(), new ECDHKEKGenerator(new SHA1Digest()));
        }

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    public static class MQVwithSHA1KDF
        extends KeyAgreementSpi
    {
        public MQVwithSHA1KDF()
        {
            super("ECMQVwithSHA1KDF", new ECMQVBasicAgreement(), new ECDHKEKGenerator(new SHA1Digest()));
        }

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        extends IESCipher
    {
        public ECIES()
        {
            super(new IESEngine(new ECDHBasicAgreement(),
                new KDF2BytesGenerator(new SHA1Digest()),
                new HMac(new SHA1Digest())));
        }

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        extends IESCipher
    {
        public ECIESwithDESede()
        {
            super(new IESEngine(new ECDHBasicAgreement(),
                new KDF2BytesGenerator(new SHA1Digest()),
                new HMac(new SHA1Digest()),
                new PaddedBufferedBlockCipher(new DESedeEngine())));
        }

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        extends IESCipher
    {
        public ECIESwithAES()
        {
            super(new IESEngine(new ECDHBasicAgreement(),
                new KDF2BytesGenerator(new SHA1Digest()),
                new HMac(new SHA1Digest()),
                new PaddedBufferedBlockCipher(new AESEngine())));
        }

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    /**
     * construct a PKCS5 Scheme 2 Parameters generator.
     */
    public PKCS5S2ParametersGenerator()
    {
        this(new SHA1Digest());
    }

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    private boolean                 forEncryption;


    public OAEPEncoding(
        AsymmetricBlockCipher   cipher)
    {
        this(cipher, new SHA1Digest(), null);
    }

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    private boolean use186_3;
    private int usageIndex;


    public DSAParametersGenerator()
    {
        this(new SHA1Digest());
    }

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        int         iterationCount = dIn.readInt();


        //
        // we only do an integrity check if the password is provided.
        //
        HMac hMac = new HMac(new SHA1Digest());
        if (password != null && password.length != 0)
        {
            byte[] passKey = PBEParametersGenerator.PKCS12PasswordToBytes(password);


            PBEParametersGenerator pbeGen = new PKCS12ParametersGenerator(new SHA1Digest());
            pbeGen.init(passKey, salt, iterationCount);


            CipherParameters macParams;


            if (version != 2)

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        dOut.writeInt(version);
        dOut.writeInt(salt.length);
        dOut.write(salt);
        dOut.writeInt(iterationCount);


        HMac                    hMac = new HMac(new SHA1Digest());
        MacOutputStream         mOut = new MacOutputStream(hMac);
        PBEParametersGenerator  pbeGen = new PKCS12ParametersGenerator(new SHA1Digest());
        byte[]                  passKey = PBEParametersGenerator.PKCS12PasswordToBytes(password);


        pbeGen.init(passKey, salt, iterationCount);


        if (version < 2)

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