Package org.bouncycastle2.asn1.pkcs

Examples of org.bouncycastle2.asn1.pkcs.RSAESOAEPparams

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                                                            PKCSObjectIdentifiers.id_mgf1,
                                                            new AlgorithmIdentifier(JCEDigestUtil.getOID(mgfSpec.getDigestAlgorithm()), new DERNull()));
            PSource.PSpecified      pSource = (PSource.PSpecified)currentSpec.getPSource();
            AlgorithmIdentifier     pSourceAlgorithm = new AlgorithmIdentifier(
                                                            PKCSObjectIdentifiers.id_pSpecified, new DEROctetString(pSource.getValue()));
            RSAESOAEPparams         oaepP = new RSAESOAEPparams(hashAlgorithm, maskGenAlgorithm, pSourceAlgorithm);
   
            try
            {
                return oaepP.getEncoded(ASN1Encodable.DER);
            }
            catch (IOException e)
            {
                throw new RuntimeException("Error encoding OAEPParameters");
            }
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            byte[] params)
            throws IOException
        {
            try
            {
                RSAESOAEPparams oaepP = new RSAESOAEPparams((ASN1Sequence)ASN1Object.fromByteArray(params));

                currentSpec = new OAEPParameterSpec(
                                       oaepP.getHashAlgorithm().getObjectId().getId(),
                                       oaepP.getMaskGenAlgorithm().getObjectId().getId(),
                                       new MGF1ParameterSpec(AlgorithmIdentifier.getInstance(oaepP.getMaskGenAlgorithm().getParameters()).getObjectId().getId()),
                                       new PSource.PSpecified(ASN1OctetString.getInstance(oaepP.getPSourceAlgorithm().getParameters()).getOctets()));
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid OAEP Parameter encoding.");
            }
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        params.put("SHA512WITHRSAANDMGF1", creatPSSParams(sha512AlgId, 64));
    }

    private static RSASSAPSSparams creatPSSParams(AlgorithmIdentifier hashAlgId, int saltSize)
    {
        return new RSASSAPSSparams(
            hashAlgId,
            new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, hashAlgId),
            new DERInteger(saltSize),
            new DERInteger(1));
    }
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        if (params != null && !DERNull.INSTANCE.equals(params))
        {
            if (sigAlgId.getObjectId().equals(PKCSObjectIdentifiers.id_RSASSA_PSS))
            {
                RSASSAPSSparams rsaParams = RSASSAPSSparams.getInstance(params);
                return getDigestAlgName(rsaParams.getHashAlgorithm().getObjectId()) + "withRSAandMGF1";
            }
        }

        return sigAlgId.getObjectId().getId();
    }
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            this.d = derD.getValue();
        }
        else
        {
            ECPrivateKeyStructure ec = new ECPrivateKeyStructure((ASN1Sequence)info.getPrivateKey());

            this.d = ec.getKey();
            this.publicKey = ec.getPublicKey();
        }
    }
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            params = new X962Parameters(ecP);
        }
       
        PrivateKeyInfo          info;
        ECPrivateKeyStructure keyStructure;

        if (publicKey != null)
        {
            keyStructure = new ECPrivateKeyStructure(this.getS(), publicKey, params);
        }
        else
        {
            keyStructure = new ECPrivateKeyStructure(this.getS(), params);
        }

        if (algorithm.equals("ECGOST3410"))
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.getDERObject()), keyStructure.getDERObject());
        }
        else
        {

            info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), keyStructure.getDERObject());
        }

        return info.getDEREncoded();
    }
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        return "X.509";
    }

    public byte[] getEncoded()
    {
        SubjectPublicKeyInfo    info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(OIWObjectIdentifiers.elGamalAlgorithm, new ElGamalParameter(elSpec.getP(), elSpec.getG()).getDERObject()), new DERInteger(y));

        return info.getDEREncoded();
    }
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    private static RSASSAPSSparams creatPSSParams(AlgorithmIdentifier hashAlgId, int saltSize)
    {
        return new RSASSAPSSparams(
            hashAlgId,
            new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, hashAlgId),
            new DERInteger(saltSize),
            new DERInteger(1));
    }
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            throw new IllegalArgumentException("public key must not be null");
        }

        if (noParams.contains(sigOID))
        {
            this.sigAlgId = new AlgorithmIdentifier(sigOID);
        }
        else if (params.containsKey(algorithmName))
        {
            this.sigAlgId = new AlgorithmIdentifier(sigOID, (DEREncodable)params.get(algorithmName));
        }
        else
        {
            this.sigAlgId = new AlgorithmIdentifier(sigOID, null);
        }

        try
        {
            ASN1Sequence seq = (ASN1Sequence)ASN1Object.fromByteArray(key.getEncoded());
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        throws NoSuchAlgorithmException, NoSuchProviderException,
                InvalidKeyException
    {
        SubjectPublicKeyInfo    subjectPKInfo = reqInfo.getSubjectPublicKeyInfo();
        X509EncodedKeySpec      xspec = new X509EncodedKeySpec(new DERBitString(subjectPKInfo).getBytes());
        AlgorithmIdentifier     keyAlg = subjectPKInfo.getAlgorithmId();
       
        try
        {
            try
            {
                if (provider == null)
                {
                    return KeyFactory.getInstance(keyAlg.getObjectId().getId()).generatePublic(xspec);
                }
                else
                {
                    return KeyFactory.getInstance(keyAlg.getObjectId().getId(), provider).generatePublic(xspec);
                }
            }
            catch (NoSuchAlgorithmException e)
            {
                //
                // try an alternate
                //
                if (keyAlgorithms.get(keyAlg.getObjectId()) != null)
                {
                    String  keyAlgorithm = (String)keyAlgorithms.get(keyAlg.getObjectId());
                   
                    if (provider == null)
                    {
                        return KeyFactory.getInstance(keyAlgorithm).generatePublic(xspec);
                    }
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Related Classes of org.bouncycastle2.asn1.pkcs.RSAESOAEPparams

  • org.bouncycastle2.asn1.ASN1EncodableVector
  • org.bouncycastle2.asn1.ASN1InputStream
  • org.bouncycastle2.asn1.ASN1Sequence
  • org.bouncycastle2.asn1.ASN1TaggedObject
  • org.bouncycastle2.asn1.BERSequence
  • org.bouncycastle2.asn1.BERTaggedObject
  • org.bouncycastle2.asn1.cms.ContentInfo
  • org.bouncycastle2.asn1.DERBitString
  • org.bouncycastle2.asn1.DERBoolean
  • org.bouncycastle2.asn1.DERIA5String
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