Examples of org.bouncycastle2.crypto.digests.SHA1Digest

Package org.bouncycastle2.crypto.digests

Examples of org.bouncycastle2.crypto.digests.SHA1Digest

org.bouncycastle2.crypto.digests.SHA256Digest
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!

    {
        byte[]          seed = new byte[20];
        byte[]          part1 = new byte[20];
        byte[]          part2 = new byte[20];
        byte[]          u = new byte[20];
        SHA1Digest      sha1 = new SHA1Digest();
        int             n = (L - 1) / 160;
        byte[]          w = new byte[L / 8];


        for (;;)
        {

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    static public class stdDSA
        extends JDKDSASigner
    {
        public stdDSA()
        {
            super(new SHA1Digest(), new DSASigner());
        }

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        return new SubjectKeyIdentifier(id);
    }


    private static byte[] getDigest(SubjectPublicKeyInfo spki)
    {
        Digest digest = new SHA1Digest();
        byte[]  resBuf = new byte[digest.getDigestSize()];


        byte[] bytes = spki.getPublicKeyData().getBytes();
        digest.update(bytes, 0, bytes.length);
        digest.doFinal(resBuf, 0);
        return resBuf;
    }

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    {
        public BrokenECIES()
        {
            super(new IESEngine(
                   new ECDHBasicAgreement(),
                   new BrokenKDF2BytesGenerator(new SHA1Digest()),
                   new HMac(new SHA1Digest())));
        }

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    {
        public BrokenIES()
        {
            super(new IESEngine(
                   new DHBasicAgreement(),
                   new BrokenKDF2BytesGenerator(new SHA1Digest()),
                   new HMac(new SHA1Digest())));
        }

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

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    {
        public IES()
        {
            super(new IESEngine(
                   new DHBasicAgreement(),
                   new KDF2BytesGenerator(new SHA1Digest()),
                   new HMac(new SHA1Digest())));
        }

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    private boolean                 forEncryption;


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

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        {
            return new MD5Digest();
        }
        if (sha224.contains(digestName))
        {
            return new SHA224Digest();
        }
        if (sha256.contains(digestName))
        {
            return new SHA256Digest();
        }

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        {
            return new SHA224Digest();
        }
        if (sha256.contains(digestName))
        {
            return new SHA256Digest();
        }
        if (sha384.contains(digestName))
        {
            return new SHA384Digest();
        }

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Related Classes of org.bouncycastle2.crypto.digests.SHA1Digest

org.bouncycastle2.asn1.ASN1InputStream

org.bouncycastle2.asn1.ASN1Sequence

org.bouncycastle2.asn1.cryptopro.GOST3410PublicKeyAlgParameters

org.bouncycastle2.asn1.DERObjectIdentifier

org.bouncycastle2.asn1.DEROctetString

org.bouncycastle2.asn1.pkcs.RSAPrivateKeyStructure

org.bouncycastle2.asn1.x509.AuthorityKeyIdentifier

org.bouncycastle2.asn1.x509.RSAPublicKeyStructure

org.bouncycastle2.bcpg.sig.PreferredAlgorithms

org.bouncycastle2.crypto.BufferedBlockCipher

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