Package org.bouncycastle2.asn1

Examples of org.bouncycastle2.asn1.DERSequence

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        if (h != null)
        {
            v.add(new DERInteger(h));
        }

        return new DERSequence(v);
    }
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                BigInteger y = p.getG().modPow(x, p.getP());
               
                v.add(new DERInteger(y));
                v.add(new DERInteger(x));

                encoding = new DERSequence(v).getEncoded();
            }
            else if (((PrivateKey)o).getAlgorithm().equals("ECDSA"))
            {
                type = "EC PRIVATE KEY";
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            BigInteger y = p.getG().modPow(x, p.getP());

            v.add(new DERInteger(y));
            v.add(new DERInteger(x));

            keyData = new DERSequence(v).getEncoded();
        }
        else if (obj instanceof PrivateKey && "ECDSA".equals(((PrivateKey)obj).getAlgorithm()))
        {
            type = "EC PRIVATE KEY";
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        else
        {
            if (fieldIdentifier.equals(characteristic_two_field))
            {
                // Characteristic two field
                DERSequence parameters = (DERSequence)fieldID.getParameters();
                int m = ((DERInteger)parameters.getObjectAt(0)).getValue().
                    intValue();
                DERObjectIdentifier representation
                    = (DERObjectIdentifier)parameters.getObjectAt(1);

                int k1 = 0;
                int k2 = 0;
                int k3 = 0;
                if (representation.equals(tpBasis))
                {
                    // Trinomial basis representation
                    k1 = ((DERInteger)parameters.getObjectAt(2)).getValue().
                        intValue();
                }
                else
                {
                    // Pentanomial basis representation
                    DERSequence pentanomial
                        = (DERSequence)parameters.getObjectAt(2);
                    k1 = ((DERInteger)pentanomial.getObjectAt(0)).getValue().
                        intValue();
                    k2 = ((DERInteger)pentanomial.getObjectAt(1)).getValue().
                        intValue();
                    k3 = ((DERInteger)pentanomial.getObjectAt(2)).getValue().
                        intValue();
                }
                X9FieldElement x9A = new X9FieldElement(m, k1, k2, k3, (ASN1OctetString)seq.getObjectAt(0));
                X9FieldElement x9B = new X9FieldElement(m, k1, k2, k3, (ASN1OctetString)seq.getObjectAt(1));
                // TODO Is it possible to get the order (n) and cofactor(h) too?
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        if (seed != null)
        {
            v.add(new DERBitString(seed));
        }

        return new DERSequence(v);
    }
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            fieldIdParams.add(ppBasis);
            ASN1EncodableVector pentanomialParams = new ASN1EncodableVector();
            pentanomialParams.add(new DERInteger(k1));
            pentanomialParams.add(new DERInteger(k2));
            pentanomialParams.add(new DERInteger(k3));
            fieldIdParams.add(new DERSequence(pentanomialParams));
        }
       
        this.parameters = new DERSequence(fieldIdParams);
    }
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    }

    JCEElGamalPublicKey(
        SubjectPublicKeyInfo    info)
    {
        ElGamalParameter        params = new ElGamalParameter((ASN1Sequence)info.getAlgorithmId().getParameters());
        DERInteger              derY = null;

        try
        {
            derY = (DERInteger)info.getPublicKey();
        }
        catch (IOException e)
        {
            throw new IllegalArgumentException("invalid info structure in DSA public key");
        }

        this.y = derY.getValue();
        this.elSpec = new ElGamalParameterSpec(params.getP(), params.getG());
    }
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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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        }

        try
        {
            ASN1Sequence seq = (ASN1Sequence)ASN1Object.fromByteArray(key.getEncoded());
            this.reqInfo = new CertificationRequestInfo(subject, new SubjectPublicKeyInfo(seq), attributes);
        }
        catch (IOException e)
        {
            throw new IllegalArgumentException("can't encode public key");
        }
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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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Related Classes of org.bouncycastle2.asn1.DERSequence

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