Package org.bouncycastle.asn1.pkcs

Examples of org.bouncycastle.asn1.pkcs.RSASSAPSSparams

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        {
            ASN1InputStream        aIn = new ASN1InputStream(params);
   
            try
            {
                RSASSAPSSparams pssP = new RSASSAPSSparams((ASN1Sequence)aIn.readObject());
   
                currentSpec = new PSSParameterSpec(
                                       pssP.getHashAlgorithm().getObjectId().getId(),
                                       pssP.getMaskGenAlgorithm().getObjectId().getId(),
                                       new MGF1ParameterSpec(AlgorithmIdentifier.getInstance(pssP.getMaskGenAlgorithm().getParameters()).getObjectId().getId()),
                                       pssP.getSaltLength().getValue().intValue(),
                                       pssP.getTrailerField().getValue().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 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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        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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        protected byte[] engineGetEncoded()
        {
            ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
            DEROutputStream         dOut = new DEROutputStream(bOut);
            PSSParameterSpec    pssSpec = (PSSParameterSpec)currentSpec;
            RSASSAPSSparams     pssP = new RSASSAPSSparams(RSASSAPSSparams.DEFAULT_HASH_ALGORITHM, RSASSAPSSparams.DEFAULT_MASK_GEN_FUNCTION, new DERInteger(pssSpec.getSaltLength()), RSASSAPSSparams.DEFAULT_TRAILER_FIELD);
            try
            {
                dOut.writeObject(pssP);
                dOut.close();
            }
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            ByteArrayInputStream   bIn = new ByteArrayInputStream(params);
            ASN1InputStream        aIn = new ASN1InputStream(bIn);
   
            try
            {
                RSASSAPSSparams pssP = new RSASSAPSSparams((ASN1Sequence)aIn.readObject());
   
                currentSpec = new PSSParameterSpec(
                                       pssP.getSaltLength().getValue().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 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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                                                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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            byte[] params)
            throws IOException
        {
            try
            {
                RSASSAPSSparams pssP = new RSASSAPSSparams((ASN1Sequence)ASN1Object.fromByteArray(params));

                currentSpec = new PSSParameterSpec(
                                       pssP.getHashAlgorithm().getObjectId().getId(),
                                       pssP.getMaskGenAlgorithm().getObjectId().getId(),
                                       new MGF1ParameterSpec(AlgorithmIdentifier.getInstance(pssP.getMaskGenAlgorithm().getParameters()).getObjectId().getId()),
                                       pssP.getSaltLength().getValue().intValue(),
                                       pssP.getTrailerField().getValue().intValue());
            }
            catch (ClassCastException e)
            {
                throw new IOException("Not a valid PSS Parameter encoding.");
            }
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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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