Java 类org.bouncycastle.asn1.x9.X962NamedCurves 实例源码

/**
 * return a parameter spec representing the passed in named
 * curve. The routine returns null if the curve is not present.
 * 
 * @param name the name of the curve requested
 * @return a parameter spec for the curve, null if it is not available.
 */
public static ECNamedCurveParameterSpec getParameterSpec(
    String  name)
{
    X9ECParameters  ecP = X962NamedCurves.getByName(name);
    if (ecP == null)
    {
        return null;
    }

    return new ECNamedCurveParameterSpec(
                                    name,
                                    ecP.getCurve(),
                                    ecP.getG(),
                                    ecP.getN(),
                                    ecP.getH(),
                                    ecP.getSeed());

}

public static ASN1ObjectIdentifier getNamedCurveOid(
    String name)
{
    ASN1ObjectIdentifier oid = X962NamedCurves.getOID(name);

    if (oid == null)
    {
        oid = SECNamedCurves.getOID(name);
        if (oid == null)
        {
            oid = NISTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = TeleTrusTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = ECGOST3410NamedCurves.getOID(name);
        }
    }

    return oid;
}

public static X9ECParameters getNamedCurveByOid(
    ASN1ObjectIdentifier oid)
{
    X9ECParameters params = X962NamedCurves.getByOID(oid);

    if (params == null)
    {
        params = SECNamedCurves.getByOID(oid);
        if (params == null)
        {
            params = NISTNamedCurves.getByOID(oid);
        }
        if (params == null)
        {
            params = TeleTrusTNamedCurves.getByOID(oid);
        }
    }

    return params;
}

public static String getCurveName(
    ASN1ObjectIdentifier oid)
{
    String name = X962NamedCurves.getName(oid);

    if (name == null)
    {
        name = SECNamedCurves.getName(oid);
        if (name == null)
        {
            name = NISTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = TeleTrusTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = ECGOST3410NamedCurves.getName(oid);
        }
    }

    return name;
}

public static X9ECParameters getNamedCurveByOid(
    ASN1ObjectIdentifier oid)
{
    X9ECParameters params = CustomNamedCurves.getByOID(oid);

    if (params == null)
    {
        params = X962NamedCurves.getByOID(oid);
        if (params == null)
        {
            params = SECNamedCurves.getByOID(oid);
        }
        if (params == null)
        {
            params = NISTNamedCurves.getByOID(oid);
        }
        if (params == null)
        {
            params = TeleTrusTNamedCurves.getByOID(oid);
        }
    }

    return params;
}

public static X9ECParameters getNamedCurveByName(
    String curveName)
{
    X9ECParameters params = CustomNamedCurves.getByName(curveName);

    if (params == null)
    {
        params = X962NamedCurves.getByName(curveName);
        if (params == null)
        {
            params = SECNamedCurves.getByName(curveName);
        }
        if (params == null)
        {
            params = NISTNamedCurves.getByName(curveName);
        }
        if (params == null)
        {
            params = TeleTrusTNamedCurves.getByName(curveName);
        }
    }

    return params;
}

public static String getCurveName(
    ASN1ObjectIdentifier oid)
{
    String name = X962NamedCurves.getName(oid);

    if (name == null)
    {
        name = SECNamedCurves.getName(oid);
        if (name == null)
        {
            name = NISTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = TeleTrusTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = ECGOST3410NamedCurves.getName(oid);
        }
    }

    return name;
}

/**
 * return a parameter spec representing the passed in named
 * curve. The routine returns null if the curve is not present.
 * 
 * @param name the name of the curve requested
 * @return a parameter spec for the curve, null if it is not available.
 */
public static ECNamedCurveParameterSpec getParameterSpec(
    String  name)
{
    X9ECParameters  ecP = X962NamedCurves.getByName(name);
    if (ecP == null)
    {
        return null;
    }

    return new ECNamedCurveParameterSpec(
                                    name,
                                    ecP.getCurve(),
                                    ecP.getG(),
                                    ecP.getN(),
                                    ecP.getH(),
                                    ecP.getSeed());

}

public static ASN1ObjectIdentifier getNamedCurveOid(
    String name)
{
    ASN1ObjectIdentifier oid = X962NamedCurves.getOID(name);

    if (oid == null)
    {
        oid = SECNamedCurves.getOID(name);
        if (oid == null)
        {
            oid = NISTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = TeleTrusTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = ECGOST3410NamedCurves.getOID(name);
        }
    }

    return oid;
}

public static X9ECParameters getNamedCurveByOid(
    ASN1ObjectIdentifier oid)
{
    X9ECParameters params = X962NamedCurves.getByOID(oid);

    if (params == null)
    {
        params = SECNamedCurves.getByOID(oid);
        if (params == null)
        {
            params = NISTNamedCurves.getByOID(oid);
        }
        if (params == null)
        {
            params = TeleTrusTNamedCurves.getByOID(oid);
        }
    }

    return params;
}

public static String getCurveName(
    ASN1ObjectIdentifier oid)
{
    String name = X962NamedCurves.getName(oid);

    if (name == null)
    {
        name = SECNamedCurves.getName(oid);
        if (name == null)
        {
            name = NISTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = TeleTrusTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = ECGOST3410NamedCurves.getName(oid);
        }
    }

    return name;
}

public static ASN1ObjectIdentifier getNamedCurveOid(
    String name)
{
    ASN1ObjectIdentifier oid = X962NamedCurves.getOID(name);

    if (oid == null)
    {
        oid = SECNamedCurves.getOID(name);
        if (oid == null)
        {
            oid = NISTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = TeleTrusTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = ECGOST3410NamedCurves.getOID(name);
        }
    }

    return oid;
}

public static X9ECParameters getNamedCurveByOid(
    ASN1ObjectIdentifier oid)
{
    X9ECParameters params = X962NamedCurves.getByOID(oid);

    if (params == null)
    {
        params = SECNamedCurves.getByOID(oid);
        if (params == null)
        {
            params = NISTNamedCurves.getByOID(oid);
        }
        if (params == null)
        {
            params = TeleTrusTNamedCurves.getByOID(oid);
        }
    }

    return params;
}

public static String getCurveName(
    ASN1ObjectIdentifier oid)
{
    String name = X962NamedCurves.getName(oid);

    if (name == null)
    {
        name = SECNamedCurves.getName(oid);
        if (name == null)
        {
            name = NISTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = TeleTrusTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = ECGOST3410NamedCurves.getName(oid);
        }
    }

    return name;
}

public static ASN1ObjectIdentifier getNamedCurveOid(
    String name)
{
    ASN1ObjectIdentifier oid = X962NamedCurves.getOID(name);

    if (oid == null)
    {
        oid = SECNamedCurves.getOID(name);
        if (oid == null)
        {
            oid = NISTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = TeleTrusTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = ECGOST3410NamedCurves.getOID(name);
        }
    }

    return oid;
}

public static X9ECParameters getNamedCurveByOid(
    ASN1ObjectIdentifier oid)
{
    X9ECParameters params = X962NamedCurves.getByOID(oid);

    if (params == null)
    {
        params = SECNamedCurves.getByOID(oid);
        if (params == null)
        {
            params = NISTNamedCurves.getByOID(oid);
        }
        if (params == null)
        {
            params = TeleTrusTNamedCurves.getByOID(oid);
        }
    }

    return params;
}

public static String getCurveName(
    ASN1ObjectIdentifier oid)
{
    String name = X962NamedCurves.getName(oid);

    if (name == null)
    {
        name = SECNamedCurves.getName(oid);
        if (name == null)
        {
            name = NISTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = TeleTrusTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = ECGOST3410NamedCurves.getName(oid);
        }
    }

    return name;
}

public static ASN1ObjectIdentifier getNamedCurveOid(
    String name)
{
    ASN1ObjectIdentifier oid = X962NamedCurves.getOID(name);

    if (oid == null)
    {
        oid = SECNamedCurves.getOID(name);
        if (oid == null)
        {
            oid = NISTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = TeleTrusTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = ECGOST3410NamedCurves.getOID(name);
        }
    }

    return oid;
}

public static X9ECParameters getNamedCurveByOid(
    ASN1ObjectIdentifier oid)
{
    X9ECParameters params = X962NamedCurves.getByOID(oid);

    if (params == null)
    {
        params = SECNamedCurves.getByOID(oid);
        if (params == null)
        {
            params = NISTNamedCurves.getByOID(oid);
        }
        if (params == null)
        {
            params = TeleTrusTNamedCurves.getByOID(oid);
        }
    }

    return params;
}

public static String getCurveName(
    ASN1ObjectIdentifier oid)
{
    String name = X962NamedCurves.getName(oid);

    if (name == null)
    {
        name = SECNamedCurves.getName(oid);
        if (name == null)
        {
            name = NISTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = TeleTrusTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = ECGOST3410NamedCurves.getName(oid);
        }
    }

    return name;
}

public static ASN1ObjectIdentifier getNamedCurveOid(
    String name)
{
    ASN1ObjectIdentifier oid = X962NamedCurves.getOID(name);

    if (oid == null)
    {
        oid = SECNamedCurves.getOID(name);
        if (oid == null)
        {
            oid = NISTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = TeleTrusTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = ECGOST3410NamedCurves.getOID(name);
        }
    }

    return oid;
}

public static X9ECParameters getNamedCurveByOid(
    ASN1ObjectIdentifier oid)
{
    X9ECParameters params = X962NamedCurves.getByOID(oid);

    if (params == null)
    {
        params = SECNamedCurves.getByOID(oid);
        if (params == null)
        {
            params = NISTNamedCurves.getByOID(oid);
        }
        if (params == null)
        {
            params = TeleTrusTNamedCurves.getByOID(oid);
        }
    }

    return params;
}

public static String getCurveName(
    ASN1ObjectIdentifier oid)
{
    String name = X962NamedCurves.getName(oid);

    if (name == null)
    {
        name = SECNamedCurves.getName(oid);
        if (name == null)
        {
            name = NISTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = TeleTrusTNamedCurves.getName(oid);
        }
        if (name == null)
        {
            name = ECGOST3410NamedCurves.getName(oid);
        }
    }

    return name;
}

/**
 * return an enumeration of the names of the available curves.
 *
 * @return an enumeration of the names of the available curves.
 */
public static Enumeration getNames()
{
    Vector v = new Vector();

    addEnumeration(v, X962NamedCurves.getNames());
    addEnumeration(v, SECNamedCurves.getNames());
    addEnumeration(v, NISTNamedCurves.getNames());
    addEnumeration(v, TeleTrusTNamedCurves.getNames());

    return v.elements();
}

private static ASN1ObjectIdentifier lookupOidByName(String name)
{
    ASN1ObjectIdentifier oid = X962NamedCurves.getOID(name);

    if (oid == null)
    {
        oid = SECNamedCurves.getOID(name);
        if (oid == null)
        {
            oid = NISTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = TeleTrusTNamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = ECGOST3410NamedCurves.getOID(name);
        }
        if (oid == null)
        {
            oid = ANSSINamedCurves.getOID(name);
        }
    }

    return oid;
}

public void performTest()
    throws Exception
{
    testCurve("prime192v1"); // X9.62
    testCurve("sect571r1"); // sec
    testCurve("secp224r1");
    testCurve("B-409");   // nist
    testCurve("P-521");
    testCurve("brainpoolp160r1");    // TeleTrusT

    for (Enumeration en = X962NamedCurves.getNames(); en.hasMoreElements();)
    {
        testECDSA((String)en.nextElement());
    }

    // these curves can't be used under JDK 1.5
    Set  problemCurves = new HashSet();

    problemCurves.add("secp256k1");
    problemCurves.add("secp160k1");
    problemCurves.add("secp224k1");
    problemCurves.add("secp192k1");

    for (Enumeration en = SECNamedCurves.getNames(); en.hasMoreElements();)
    {
        String curveName = (String)en.nextElement();

        if (!problemCurves.contains(curveName))
        {
            testECDSA(curveName);
        }
    }

    for (Enumeration en = TeleTrusTNamedCurves.getNames(); en.hasMoreElements();)
    {
        testECDSA((String)en.nextElement());
    }

    for (Enumeration en = ECGOST3410NamedCurves.getNames(); en.hasMoreElements();)
    {
        testECGOST((String)en.nextElement());
    }
}

public void performTest()
    throws Exception
{
    testCurve("prime192v1"); // X9.62
    testCurve("sect571r1"); // sec
    testCurve("secp224r1");
    testCurve("B-409");   // nist
    testCurve("P-521");
    testCurve("brainpoolp160r1");    // TeleTrusT

    for (Enumeration en = X962NamedCurves.getNames(); en.hasMoreElements();)
    {
        testECDSA((String)en.nextElement());
    }

    // these curves can't be used under JDK 1.5
    Set  problemCurves = new HashSet();

    problemCurves.add("secp256k1");
    problemCurves.add("secp160k1");
    problemCurves.add("secp224k1");
    problemCurves.add("secp192k1");

    for (Enumeration en = SECNamedCurves.getNames(); en.hasMoreElements();)
    {
        String curveName = (String)en.nextElement();

        if (!problemCurves.contains(curveName))
        {
            testECDSA(curveName);
        }
    }

    for (Enumeration en = TeleTrusTNamedCurves.getNames(); en.hasMoreElements();)
    {
        testECDSA((String)en.nextElement());
    }

    for (Enumeration en = ECGOST3410NamedCurves.getNames(); en.hasMoreElements();)
    {
        testECGOST((String)en.nextElement());
    }
}

public void performTest()
    throws Exception
{
    testCurve("prime192v1"); // X9.62
    testCurve("sect571r1"); // sec
    testCurve("secp224r1");
    testCurve("B-409");   // nist
    testCurve("P-521");
    testCurve("brainpoolp160r1");    // TeleTrusT

    for (Enumeration en = X962NamedCurves.getNames(); en.hasMoreElements();)
    {
        testECDSA((String)en.nextElement());
    }

    // these curves can't be used under JDK 1.5
    Set  problemCurves = new HashSet();

    problemCurves.add("secp256k1");
    problemCurves.add("secp160k1");
    problemCurves.add("secp224k1");
    problemCurves.add("secp192k1");

    for (Enumeration en = SECNamedCurves.getNames(); en.hasMoreElements();)
    {
        String curveName = (String)en.nextElement();

        if (!problemCurves.contains(curveName))
        {
            testECDSA(curveName);
        }
    }

    for (Enumeration en = TeleTrusTNamedCurves.getNames(); en.hasMoreElements();)
    {
        testECDSA((String)en.nextElement());
    }

    for (Enumeration en = ECGOST3410NamedCurves.getNames(); en.hasMoreElements();)
    {
        testECGOST((String)en.nextElement());
    }
}

/**
 * return an enumeration of the names of the available curves.
 *
 * @return an enumeration of the names of the available curves.
 */
public static Enumeration getNames()
{
    return X962NamedCurves.getNames();
}

/**
 * return an enumeration of the names of the available curves.
 *
 * @return an enumeration of the names of the available curves.
 */
public static Enumeration getNames()
{
    return X962NamedCurves.getNames();
}