Package org.bouncycastle.asn1.pkcs

Examples of org.bouncycastle.asn1.pkcs.PBKDF2Params

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        KeyFactory fact = KeyFactory.getInstance("RSA"); // It seems to work for both RSA and DSA.
        return fact.generatePrivate(new PKCS8EncodedKeySpec(pkcs8));
    }

    private static CipherParameters extractPBES2CipherParams(char[] password, PBES2Parameters pbeParams) {
        PBKDF2Params pbkdfParams = PBKDF2Params.getInstance(pbeParams.getKeyDerivationFunc().getParameters());
        int keySize = 192;
        if (pbkdfParams.getKeyLength() != null) {
            keySize = pbkdfParams.getKeyLength().intValue() * 8;
        }
        int iterationCount = pbkdfParams.getIterationCount().intValue();
        byte[] salt = pbkdfParams.getSalt();
        PBEParametersGenerator generator = new PKCS5S2ParametersGenerator();
        generator.init(PBEParametersGenerator.PKCS5PasswordToBytes(password), salt, iterationCount);
        return generator.generateDerivedParameters(keySize);
    }
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                throw new InvalidParameterSpecException("PBEParameterSpec required to initialise a PKCS12 PBE parameters algorithm parameters object");
            }

            PBEParameterSpec    pbeSpec = (PBEParameterSpec)paramSpec;

            this.params = new PBKDF2Params(pbeSpec.getSalt(),
                                pbeSpec.getIterationCount());
        }
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    public void addPasswordRecipient(
        CMSPBEKey pbeKey,
        String    kekAlgorithmOid)
    {
        PBKDF2Params params = new PBKDF2Params(pbeKey.getSalt(), pbeKey.getIterationCount());

        recipientInfs.add(new RecipientInf(new SecretKeySpec(pbeKey.getEncoded(kekAlgorithmOid), kekAlgorithmOid), new AlgorithmIdentifier(PKCSObjectIdentifiers.id_PBKDF2, params)));
    }
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                                            ecSpec.getH(),
                                            ecSpec.getSeed());
            params = new X962Parameters(ecP);
        }

        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getD()).getDERObject());

        try
        {
            dOut.writeObject(info);
            dOut.close();
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    static PrivateKey createPrivateKeyFromDERStream(
            InputStream         in)
            throws IOException
        {
            return createPrivateKeyFromPrivateKeyInfo(
                    new PrivateKeyInfo((ASN1Sequence)(new DERInputStream(in).readObject())));
        }
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        {
            throw new SecurityException("Not a valid PKCS#7 signed-data object - wrong header " + content.getContentType().getId());
        }


        SignedData  data = SignedData.getInstance(content.getContent());

        certs = new ArrayList();

        if (data.getCertificates() != null)
        {
            Enumeration ec = ASN1Set.getInstance(data.getCertificates()).getObjects();

            while (ec.hasMoreElements())
            {
                certs.add(new X509CertificateObject(X509CertificateStructure.getInstance(ec.nextElement())));
            }
        }

        crls = new ArrayList();

        if (data.getCRLs() != null)
        {
            Enumeration ec = ASN1Set.getInstance(data.getCRLs()).getObjects();
            while (ec.hasMoreElements())
            {
                crls.add(new X509CRLObject(CertificateList.getInstance(ec.nextElement())));
            }
        }

        version = data.getVersion().getValue().intValue();

        //
        // Get the digest algorithm
        //
        digestalgos = new HashSet();
        Enumeration e = data.getDigestAlgorithms().getObjects();

        while (e.hasMoreElements())
        {
            ASN1Sequence s = (ASN1Sequence)e.nextElement();
            DERObjectIdentifier o = (DERObjectIdentifier)s.getObjectAt(0);
            digestalgos.add(o.getId());
        }

        //
        // Get the SignerInfo
        //
        ASN1Set signerinfos = data.getSignerInfos();
        if (signerinfos.size() != 1)
        {
            throw new SecurityException("This PKCS#7 object has multiple SignerInfos - only one is supported at this time");
        }
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        if (signerinfos.size() != 1)
        {
            throw new SecurityException("This PKCS#7 object has multiple SignerInfos - only one is supported at this time");
        }

        SignerInfo signerInfo = SignerInfo.getInstance(signerinfos.getObjectAt(0));

        signerversion = signerInfo.getVersion().getValue().intValue();

        IssuerAndSerialNumber isAnds = signerInfo.getIssuerAndSerialNumber();

        //
        // Get the signing certificate
        //
        BigInteger      serialNumber = isAnds.getCertificateSerialNumber().getValue();
        X509Principal   issuer = new X509Principal(isAnds.getName());

        for (Iterator i = certs.iterator();i.hasNext();)
        {
            X509Certificate cert = (X509Certificate)i.next();
            if (serialNumber.equals(cert.getSerialNumber())
                    && issuer.equals(cert.getIssuerDN()))
            {
                signCert = cert;
                break;
            }
        }

        if (signCert == null)
        {
            throw new SecurityException("Can't find signing certificate with serial "+serialNumber.toString(16));
        }

        digestAlgorithm = signerInfo.getDigestAlgorithm().getObjectId().getId();

        digest = signerInfo.getEncryptedDigest().getOctets();
        digestEncryptionAlgorithm = signerInfo.getDigestEncryptionAlgorithm().getObjectId().getId();

        sig = Signature.getInstance(getDigestAlgorithm(), provider);

        sig.initVerify(signCert.getPublicKey());
    }
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            this.d = derD.getValue();
        }
        else
        {
            ECPrivateKeyStructure   ec = new ECPrivateKeyStructure((ASN1Sequence)info.getPrivateKey());

            this.d = ec.getKey();
        }
    }
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                                            ecSpec.getH(),
                                            ecSpec.getSeed());
            params = new X962Parameters(ecP);
        }

        PrivateKeyInfo          info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getD()).getDERObject());

        try
        {
            dOut.writeObject(info);
            dOut.close();
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                throw new InvalidParameterSpecException("PBEParameterSpec required to initialise a PKCS12 PBE parameters algorithm parameters object");
            }

            PBEParameterSpec    pbeSpec = (PBEParameterSpec)paramSpec;

            this.params = new PBKDF2Params(pbeSpec.getSalt(),
                                pbeSpec.getIterationCount());
        }
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Related Classes of org.bouncycastle.asn1.pkcs.PBKDF2Params

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