Package org.bouncycastle.asn1.pkcs

Examples of org.bouncycastle.asn1.pkcs.RSASSAPSSparams

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            // Add the signerInfo version
            //
            signerinfo.add(new DERInteger(signerversion));

            IssuerAndSerialNumber isAnds = new IssuerAndSerialNumber(
                        new X509Name((ASN1Sequence)getIssuer(signCert.getTBSCertificate())),
                        new DERInteger(signCert.getSerialNumber()));
            signerinfo.add(isAnds);

            // Add the digestAlgorithm
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        if (params != null && !derNull.equals(params))
        {
            if (sigAlgId.getObjectId().equals(PKCSObjectIdentifiers.id_RSASSA_PSS))
            {
                RSASSAPSSparams rsaParams = RSASSAPSSparams.getInstance(params);
               
                return getDigestAlgName(rsaParams.getHashAlgorithm().getObjectId()) + "withRSAandMGF1";
            }
            if (sigAlgId.getObjectId().equals(X9ObjectIdentifiers.ecdsa_with_SHA2))
            {
                ASN1Sequence ecDsaParams = ASN1Sequence.getInstance(params);
               
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        if (params != null && !derNull.equals(params))
        {
            if (sigAlgId.getAlgorithm().equals(PKCSObjectIdentifiers.id_RSASSA_PSS))
            {
                RSASSAPSSparams rsaParams = RSASSAPSSparams.getInstance(params);
               
                return getDigestAlgName(rsaParams.getHashAlgorithm().getAlgorithm()) + "withRSAandMGF1";
            }
            if (sigAlgId.getAlgorithm().equals(X9ObjectIdentifiers.ecdsa_with_SHA2))
            {
                ASN1Sequence ecDsaParams = ASN1Sequence.getInstance(params);
               
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                                                DERNull.INSTANCE);
            MGF1ParameterSpec mgfSpec = (MGF1ParameterSpec)pssSpec.getMGFParameters();
            AlgorithmIdentifier maskGenAlgorithm = new AlgorithmIdentifier(
                                                PKCSObjectIdentifiers.id_mgf1,
                                                new AlgorithmIdentifier(DigestFactory.getOID(mgfSpec.getDigestAlgorithm()), DERNull.INSTANCE));
            RSASSAPSSparams pssP = new RSASSAPSSparams(hashAlgorithm, maskGenAlgorithm, new ASN1Integer(pssSpec.getSaltLength()), new ASN1Integer(pssSpec.getTrailerField()));
           
            return pssP.getEncoded("DER");
        }
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            byte[] params)
            throws IOException
        {
            try
            {
                RSASSAPSSparams pssP = RSASSAPSSparams.getInstance(params);

                currentSpec = new PSSParameterSpec(
                                       pssP.getHashAlgorithm().getAlgorithm().getId(),
                                       pssP.getMaskGenAlgorithm().getAlgorithm().getId(),
                                       new MGF1ParameterSpec(AlgorithmIdentifier.getInstance(pssP.getMaskGenAlgorithm().getParameters()).getAlgorithm().getId()),
                                       pssP.getSaltLength().intValue(),
                                       pssP.getTrailerField().intValue());
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid PSS 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 ASN1Integer(saltSize),
            new ASN1Integer(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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        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 ASN1Integer(saltSize),
            new ASN1Integer(1));
    }
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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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                                                new DERNull());
            MGF1ParameterSpec   mgfSpec = (MGF1ParameterSpec)pssSpec.getMGFParameters();
            AlgorithmIdentifier maskGenAlgorithm = new AlgorithmIdentifier(
                                                PKCSObjectIdentifiers.id_mgf1,
                                                new AlgorithmIdentifier(JCEDigestUtil.getOID(mgfSpec.getDigestAlgorithm()), new DERNull()));
            RSASSAPSSparams     pssP = new RSASSAPSSparams(hashAlgorithm, maskGenAlgorithm, new DERInteger(pssSpec.getSaltLength()), new DERInteger(pssSpec.getTrailerField()));
           
            return pssP.getEncoded("DER");
        }
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Related Classes of org.bouncycastle.asn1.pkcs.RSASSAPSSparams

  • org.bouncycastle.asn1.ASN1Encodable
  • org.bouncycastle.asn1.ASN1EncodableVector
  • org.bouncycastle.asn1.ASN1Integer
  • org.bouncycastle.asn1.ASN1SequenceParser
  • org.bouncycastle.asn1.ASN1SetParser
  • org.bouncycastle.asn1.ASN1TaggedObject
  • org.bouncycastle.asn1.BERSequence
  • org.bouncycastle.asn1.BERTaggedObject
  • org.bouncycastle.asn1.cms.AuthEnvelopedDataParser
  • org.bouncycastle.asn1.cms.CompressedData
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