teletrustnamedcurves.java

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                //new BigInteger("15F75CAF668077F7E85B42EB01F0A81FF56ECD6191D55CB82B7D861458A18FEFC3E5AB7496F3C7B1") //Z
                new BigInteger("D35E472036BC4FB7E13C785ED201E065F98FCFA6F6F40DEF4F92B9EC7893EC28FCD412B1F1B32E27", 16), // q
                new BigInteger("D35E472036BC4FB7E13C785ED201E065F98FCFA6F6F40DEF4F92B9EC7893EC28FCD412B1F1B32E24", 16), // a'
                new BigInteger("A7F561E038EB1ED560B3D147DB782013064C19F27ED27C6780AAF77FB8A547CEB5B4FEF422340353", 16)); // b'

            return new X9ECParameters(
                curve,
                curve.decodePoint(Hex.decode("04925BE9FB01AFC6FB4D3E7D4990010F813408AB106C4F09CB7EE07868CC136FFF3357F624A21BED5263BA3A7A27483EBF6671DBEF7ABB30EBEE084E58A0B077AD42A5A0989D1EE71B1B9BC0455FB0D2C3")), // G'
                new BigInteger("D35E472036BC4FB7E13C785ED201E065F98FCFA5B68F12A32D482EC7EE8658E98691555B44C59311", 16), //n
                new BigInteger("01", 16)); // h
        }
    };
    static X9ECParametersHolder brainpoolP384r1 = new X9ECParametersHolder()
    {
        protected X9ECParameters createParameters()
        {
            ECCurve curve = new ECCurve.Fp(
                new BigInteger("8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B412B1DA197FB71123ACD3A729901D1A71874700133107EC53", 16), // q
                new BigInteger("7BC382C63D8C150C3C72080ACE05AFA0C2BEA28E4FB22787139165EFBA91F90F8AA5814A503AD4EB04A8C7DD22CE2826", 16), // a
                new BigInteger("4A8C7DD22CE28268B39B55416F0447C2FB77DE107DCD2A62E880EA53EEB62D57CB4390295DBC9943AB78696FA504C11", 16)); // b

            return new X9ECParameters(
                curve,
                curve.decodePoint(Hex.decode("041D1C64F068CF45FFA2A63A81B7C13F6B8847A3E77EF14FE3DB7FCAFE0CBD10E8E826E03436D646AAEF87B2E247D4AF1E8ABE1D7520F9C2A45CB1EB8E95CFD55262B70B29FEEC5864E19C054FF99129280E4646217791811142820341263C5315")), // G
                new BigInteger("8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B31F166E6CAC0425A7CF3AB6AF6B7FC3103B883202E9046565", 16), //n
                new BigInteger("01", 16)); // h
        }
    };
    static X9ECParametersHolder brainpoolP384t1 = new X9ECParametersHolder()
    {
        protected X9ECParameters createParameters()
        {
            ECCurve curve = new ECCurve.Fp(
                //new BigInteger("41DFE8DD399331F7166A66076734A89CD0D2BCDB7D068E44E1F378F41ECBAE97D2D63DBC87BCCDDCCC5DA39E8589291C") //Z
                new BigInteger("8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B412B1DA197FB71123ACD3A729901D1A71874700133107EC53", 16), // q
                new BigInteger("8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B412B1DA197FB71123ACD3A729901D1A71874700133107EC50", 16), // a'
                new BigInteger("7F519EADA7BDA81BD826DBA647910F8C4B9346ED8CCDC64E4B1ABD11756DCE1D2074AA263B88805CED70355A33B471EE", 16)); // b'

            return new X9ECParameters(
                curve,
                curve.decodePoint(Hex.decode("0418DE98B02DB9A306F2AFCD7235F72A819B80AB12EBD653172476FECD462AABFFC4FF191B946A5F54D8D0AA2F418808CC25AB056962D30651A114AFD2755AD336747F93475B7A1FCA3B88F2B6A208CCFE469408584DC2B2912675BF5B9E582928")), // G'
                new BigInteger("8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B31F166E6CAC0425A7CF3AB6AF6B7FC3103B883202E9046565", 16), //n
                new BigInteger("01", 16)); // h
        }
    };
    static X9ECParametersHolder brainpoolP512r1 = new X9ECParametersHolder()
    {
        protected X9ECParameters createParameters()
        {
            ECCurve curve = new ECCurve.Fp(
                new BigInteger("AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA703308717D4D9B009BC66842AECDA12AE6A380E62881FF2F2D82C68528AA6056583A48F3", 16), // q
                new BigInteger("7830A3318B603B89E2327145AC234CC594CBDD8D3DF91610A83441CAEA9863BC2DED5D5AA8253AA10A2EF1C98B9AC8B57F1117A72BF2C7B9E7C1AC4D77FC94CA", 16), // a
                new BigInteger("3DF91610A83441CAEA9863BC2DED5D5AA8253AA10A2EF1C98B9AC8B57F1117A72BF2C7B9E7C1AC4D77FC94CADC083E67984050B75EBAE5DD2809BD638016F723", 16)); // b

            return new X9ECParameters(
                curve,
                curve.decodePoint(Hex.decode("0481AEE4BDD82ED9645A21322E9C4C6A9385ED9F70B5D916C1B43B62EEF4D0098EFF3B1F78E2D0D48D50D1687B93B97D5F7C6D5047406A5E688B352209BCB9F8227DDE385D566332ECC0EABFA9CF7822FDF209F70024A57B1AA000C55B881F8111B2DCDE494A5F485E5BCA4BD88A2763AED1CA2B2FA8F0540678CD1E0F3AD80892")), // G
                new BigInteger("AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA70330870553E5C414CA92619418661197FAC10471DB1D381085DDADDB58796829CA90069", 16), //n
                new BigInteger("01", 16)); // h
        }
    };
    static X9ECParametersHolder brainpoolP512t1 = new X9ECParametersHolder()
    {
        protected X9ECParameters createParameters()
        {
            ECCurve curve = new ECCurve.Fp(
                //new BigInteger("12EE58E6764838B69782136F0F2D3BA06E27695716054092E60A80BEDB212B64E585D90BCE13761F85C3F1D2A64E3BE8FEA2220F01EBA5EEB0F35DBD29D922AB") //Z
                new BigInteger("AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA703308717D4D9B009BC66842AECDA12AE6A380E62881FF2F2D82C68528AA6056583A48F3", 16), // q
                new BigInteger("AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA703308717D4D9B009BC66842AECDA12AE6A380E62881FF2F2D82C68528AA6056583A48F0", 16), // a'
                new BigInteger("7CBBBCF9441CFAB76E1890E46884EAE321F70C0BCB4981527897504BEC3E36A62BCDFA2304976540F6450085F2DAE145C22553B465763689180EA2571867423E", 16)); // b'

            return new X9ECParameters(
                curve,
                curve.decodePoint(Hex.decode("04640ECE5C12788717B9C1BA06CBC2A6FEBA85842458C56DDE9DB1758D39C0313D82BA51735CDB3EA499AA77A7D6943A64F7A3F25FE26F06B51BAA2696FA9035DA5B534BD595F5AF0FA2C892376C84ACE1BB4E3019B71634C01131159CAE03CEE9D9932184BEEF216BD71DF2DADF86A627306ECFF96DBB8BACE198B61E00F8B332")), // G'
                new BigInteger("AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA70330870553E5C414CA92619418661197FAC10471DB1D381085DDADDB58796829CA90069", 16), //n
                new BigInteger("01", 16)); // h
        }
    };

    static final Hashtable objIds = new Hashtable();
    static final Hashtable curves = new Hashtable();
    static final Hashtable names = new Hashtable();

    static void defineCurve(String name, DERObjectIdentifier oid, X9ECParametersHolder holder)
    {
        objIds.put(name, oid);
        names.put(oid, name);
        curves.put(oid, holder);
    }

    static
    {
        defineCurve("brainpoolp160r1", TeleTrusTObjectIdentifiers.brainpoolP160r1, brainpoolP160r1);
        defineCurve("brainpoolp160t1", TeleTrusTObjectIdentifiers.brainpoolP160t1, brainpoolP160t1);
        defineCurve("brainpoolp192r1", TeleTrusTObjectIdentifiers.brainpoolP192r1, brainpoolP192r1);
        defineCurve("brainpoolp192t1", TeleTrusTObjectIdentifiers.brainpoolP192t1, brainpoolP192t1);
        defineCurve("brainpoolp224r1", TeleTrusTObjectIdentifiers.brainpoolP224r1, brainpoolP224r1);
        defineCurve("brainpoolp224t1", TeleTrusTObjectIdentifiers.brainpoolP224t1, brainpoolP224t1);
        defineCurve("brainpoolp256r1", TeleTrusTObjectIdentifiers.brainpoolP256r1, brainpoolP256r1);
        defineCurve("brainpoolp256t1", TeleTrusTObjectIdentifiers.brainpoolP256t1, brainpoolP256t1);
        defineCurve("brainpoolp320r1", TeleTrusTObjectIdentifiers.brainpoolP320r1, brainpoolP320r1);
        defineCurve("brainpoolp320t1", TeleTrusTObjectIdentifiers.brainpoolP320t1, brainpoolP320t1);
        defineCurve("brainpoolp384r1", TeleTrusTObjectIdentifiers.brainpoolP384r1, brainpoolP384r1);
        defineCurve("brainpoolp384t1", TeleTrusTObjectIdentifiers.brainpoolP384t1, brainpoolP384t1);
        defineCurve("brainpoolp512r1", TeleTrusTObjectIdentifiers.brainpoolP512r1, brainpoolP512r1);
        defineCurve("brainpoolp512t1", TeleTrusTObjectIdentifiers.brainpoolP512t1, brainpoolP512t1);
    }

    public static X9ECParameters getByName(
        String name)
    {
        DERObjectIdentifier oid = (DERObjectIdentifier)objIds.get(Strings.toLowerCase(name));

        if (oid != null)
        {
            return getByOID(oid);
        }

        return null;
    }

    /**
     * return the X9ECParameters object for the named curve represented by
     * the passed in object identifier. Null if the curve isn't present.
     *
     * @param oid an object identifier representing a named curve, if present.
     */
    public static X9ECParameters getByOID(
        DERObjectIdentifier oid)
    {
        X9ECParametersHolder holder = (X9ECParametersHolder)curves.get(oid);

        if (holder != null)
        {
            return holder.getParameters();
        }

        return null;
    }

    /**
     * return the object identifier signified by the passed in name. Null
     * if there is no object identifier associated with name.
     *
     * @return the object identifier associated with name, if present.
     */
    public static DERObjectIdentifier getOID(
        String name)
    {
        return (DERObjectIdentifier)objIds.get(Strings.toLowerCase(name));
    }

    /**
     * return the named curve name represented by the given object identifier.
     */
    public static String getName(
        DERObjectIdentifier oid)
    {
        return (String)names.get(oid);
    }

    /**
     * returns an enumeration containing the name strings for curves
     * contained in this structure.
     */
    public static Enumeration getNames()
    {
        return objIds.keys();
    }

    public static DERObjectIdentifier getOID(short curvesize, boolean twisted)
    {
        return getOID("brainpoolP" + curvesize + (twisted ? "t" : "r") + "1");
    }
}