Examples of RSAKeyParameters

Examples of com.googlecode.gwt.crypto.bouncycastle.params.RSAKeyParameters

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    public void callback(String modulus, String publicExponent, String privateExponent,
                         String p, String q, String dP, String dQ, String qInv)
    {
        RSAPrivateCrtKeyParameters priv = RSA.deserialize(modulus, publicExponent, privateExponent,
                p, q, dP, dQ, qInv);
        RSAKeyParameters pub = new RSAKeyParameters(false, new BigInteger(modulus), new BigInteger(publicExponent));

        // TODO handle error from forge

        AsymmetricCipherKeyPair keyPair = new AsymmetricCipherKeyPair(pub, priv);
        callback.onSuccess(keyPair);
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Examples of org.bouncycastle.crypto.params.RSAKeyParameters

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        dP = d.remainder(pSub1);
        dQ = d.remainder(qSub1);
        qInv = q.modInverse(p);

        return new AsymmetricCipherKeyPair(
                new RSAKeyParameters(false, n, e),
                new RSAPrivateCrtKeyParameters(n, e, d, p, q, dP, dQ, qInv));
    }
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Examples of org.bouncycastle.crypto.params.RSAKeyParameters

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    }

    static RSAKeyParameters generatePublicKeyParameter(
        RSAPublicKey key)
    {
        return new RSAKeyParameters(false, key.getModulus(), key.getPublicExponent());

    }
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Examples of org.bouncycastle.crypto.params.RSAKeyParameters

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        }
        else
        {
            RSAPrivateKey k = key;

            return new RSAKeyParameters(true, k.getModulus(), k.getPrivateExponent());
        }
    }
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Examples of org.bouncycastle.crypto.params.RSAKeyParameters

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    }

    public KeyPair generateKeyPair()
    {
        AsymmetricCipherKeyPair pair = engine.generateKeyPair();
        RSAKeyParameters pub = (RSAKeyParameters)pair.getPublic();
        RSAPrivateCrtKeyParameters priv = (RSAPrivateCrtKeyParameters)pair.getPrivate();

        return new KeyPair(new BCRSAPublicKey(pub),
            new BCRSAPrivateCrtKey(priv));
    }
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Examples of org.bouncycastle.crypto.params.RSAKeyParameters

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        if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.rsaEncryption)
            || algId.getAlgorithm().equals(X509ObjectIdentifiers.id_ea_rsa))
        {
            RSAPublicKey pubKey = RSAPublicKey.getInstance(keyInfo.parsePublicKey());

            return new RSAKeyParameters(false, pubKey.getModulus(), pubKey.getPublicExponent());
        }
        else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.dhpublicnumber))
        {
            DHPublicKey dhPublicKey = DHPublicKey.getInstance(keyInfo.parsePublicKey());
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Examples of org.bouncycastle.crypto.params.RSAKeyParameters

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    public void init(
        boolean             forEncryption,
        CipherParameters    param)
    {
        RSAKeyParameters  kParam = null;

        if (param instanceof ParametersWithRandom)
        {
            ParametersWithRandom    rParam = (ParametersWithRandom)param;

            kParam = (RSAKeyParameters)rParam.getParameters();
        }
        else
        {
            kParam = (RSAKeyParameters)param;
        }

        engine.init(forEncryption, param);

        modulus = kParam.getModulus();
        bitSize = modulus.bitLength();

        this.forEncryption = forEncryption;
    }
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Examples of org.bouncycastle.crypto.params.RSAKeyParameters

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     */
    public static SubjectPublicKeyInfo createSubjectPublicKeyInfo(AsymmetricKeyParameter publicKey) throws IOException
    {
        if (publicKey instanceof RSAKeyParameters)
        {
            RSAKeyParameters pub = (RSAKeyParameters)publicKey;

            return new SubjectPublicKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE), new RSAPublicKey(pub.getModulus(), pub.getExponent()));
        }
        else if (publicKey instanceof DSAPublicKeyParameters)
        {
            DSAPublicKeyParameters pub = (DSAPublicKeyParameters)publicKey;

            return new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa), new ASN1Integer(pub.getY()));
        }
        else if (publicKey instanceof ECPublicKeyParameters)
        {
            ECPublicKeyParameters pub = (ECPublicKeyParameters)publicKey;
            ECDomainParameters domainParams = pub.getParameters();
            ASN1Encodable      params;

            // TODO: need to handle named curves
            if (domainParams == null)
            {
                params = new X962Parameters(DERNull.INSTANCE);      // Implicitly CA
            }
            else
            {
                X9ECParameters ecP = new X9ECParameters(
                    domainParams.getCurve(),
                    domainParams.getG(),
                    domainParams.getN(),
                    domainParams.getH(),
                    domainParams.getSeed());

                params = new X962Parameters(ecP);
            }

            ASN1OctetString p = (ASN1OctetString)new X9ECPoint(pub.getQ()).toASN1Primitive();

            return new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), p.getOctets());
        }
        else
        {
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Examples of org.bouncycastle.crypto.params.RSAKeyParameters

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    public void init(
        boolean                 forSigning,
        CipherParameters        param)
    {
        RSAKeyParameters  kParam = (RSAKeyParameters)param;

        cipher.init(forSigning, kParam);

        keyBits = kParam.getModulus().bitLength();

        block = new byte[(keyBits + 7) / 8];
       
        if (trailer == TRAILER_IMPLICIT)
        {
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Examples of org.bouncycastle.crypto.params.RSAKeyParameters

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            }
        }

        cipher.init(forSigning, params);

        RSAKeyParameters kParam;

        if (params instanceof RSABlindingParameters)
        {
            kParam = ((RSABlindingParameters)params).getPublicKey();
        }
        else
        {
            kParam = (RSAKeyParameters)params;
        }
       
        emBits = kParam.getModulus().bitLength() - 1;

        if (emBits < (8 * hLen + 8 * sLen + 9))
        {
            throw new IllegalArgumentException("key too small for specified hash and salt lengths");
        }
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