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/* GENERATED SOURCE. DO NOT MODIFY. */
package com.android.internal.org.bouncycastle.asn1.x9;
import java.util.Enumeration;
import java.util.Vector;
import com.android.internal.org.bouncycastle.asn1.ASN1ObjectIdentifier;
// Android-removed: Unsupported curves
// import org.bouncycastle.asn1.anssi.ANSSINamedCurves;
// import org.bouncycastle.asn1.cryptopro.ECGOST3410NamedCurves;
// import org.bouncycastle.asn1.gm.GMNamedCurves;
// import org.bouncycastle.asn1.cryptlib.CryptlibObjectIdentifiers;
import com.android.internal.org.bouncycastle.asn1.nist.NISTNamedCurves;
import com.android.internal.org.bouncycastle.asn1.sec.SECNamedCurves;
// Android-removed: Unsupported curves
// import org.bouncycastle.asn1.teletrust.TeleTrusTNamedCurves;
import com.android.internal.org.bouncycastle.crypto.ec.CustomNamedCurves;
/**
* A general class that reads all X9.62 style EC curve tables.
* @hide This class is not part of the Android public SDK API
*/
public class ECNamedCurveTable
{
/**
* return a X9ECParameters object 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 an X9ECParameters object or null if the curve is not available.
*/
public static X9ECParameters getByName(
String name)
{
X9ECParameters ecP = X962NamedCurves.getByName(name);
if (ecP == null)
{
ecP = SECNamedCurves.getByName(name);
}
if (ecP == null)
{
ecP = NISTNamedCurves.getByName(name);
}
// BEGIN Android-removed: Unsupported curves
/*
if (ecP == null)
{
ecP = TeleTrusTNamedCurves.getByName(name);
}
if (ecP == null)
{
ecP = ANSSINamedCurves.getByName(name);
}
if (ecP == null)
{
ecP = ECGOST3410NamedCurves.getByNameX9(name);
}
if (ecP == null)
{
ecP = GMNamedCurves.getByName(name);
}
*/
// END Android-removed: Unsupported curves
return ecP;
}
/**
* 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 ASN1ObjectIdentifier getOID(
String name)
{
ASN1ObjectIdentifier oid = X962NamedCurves.getOID(name);
if (oid == null)
{
oid = SECNamedCurves.getOID(name);
}
if (oid == null)
{
oid = NISTNamedCurves.getOID(name);
}
// BEGIN Android-removed: Unsupported curves
/*
if (oid == null)
{
oid = TeleTrusTNamedCurves.getOID(name);
}
if (oid == null)
{
oid = ANSSINamedCurves.getOID(name);
}
if (oid == null)
{
oid = ECGOST3410NamedCurves.getOID(name);
}
if (oid == null)
{
oid = GMNamedCurves.getOID(name);
}
if (oid == null && name.equals("curve25519"))
{
oid = CryptlibObjectIdentifiers.curvey25519;
}
*/
// END Android-removed: Unsupported curves
return oid;
}
/**
* return a X9ECParameters object representing the passed in named
* curve.
*
* @param oid the object id of the curve requested
* @return a standard name for the curve.
*/
public static String getName(
ASN1ObjectIdentifier oid)
{
String name = X962NamedCurves.getName(oid);
if (name == null)
{
name = SECNamedCurves.getName(oid);
}
if (name == null)
{
name = NISTNamedCurves.getName(oid);
}
// BEGIN Android-removed: Unsupported curves
/*
if (name == null)
{
name = TeleTrusTNamedCurves.getName(oid);
}
if (name == null)
{
name = ANSSINamedCurves.getName(oid);
}
if (name == null)
{
name = ECGOST3410NamedCurves.getName(oid);
}
if (name == null)
{
name = GMNamedCurves.getName(oid);
}
if (name == null)
{
name = CustomNamedCurves.getName(oid);
}
*/
// END Android-removed: Unsupported curves
return name;
}
/**
* return a X9ECParameters object representing the passed in named
* curve.
*
* @param oid the object id of the curve requested
* @return an X9ECParameters object or null if the curve is not available.
*/
public static X9ECParameters getByOID(
ASN1ObjectIdentifier oid)
{
X9ECParameters ecP = X962NamedCurves.getByOID(oid);
if (ecP == null)
{
ecP = SECNamedCurves.getByOID(oid);
}
// NOTE: All the NIST curves are currently from SEC, so no point in redundant OID lookup
// BEGIN Android-removed: Unsupported curves
/*
if (ecP == null)
{
ecP = TeleTrusTNamedCurves.getByOID(oid);
}
if (ecP == null)
{
ecP = ANSSINamedCurves.getByOID(oid);
}
if (ecP == null)
{
ecP = ECGOST3410NamedCurves.getByOIDX9(oid);
}
if (ecP == null)
{
ecP = GMNamedCurves.getByOID(oid);
}
*/
// END Android-removed: Unsupported curves
return ecP;
}
/**
* 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());
// BEGIN Android-removed: Unsupported curves
// addEnumeration(v, TeleTrusTNamedCurves.getNames());
// addEnumeration(v, ANSSINamedCurves.getNames());
// addEnumeration(v, ECGOST3410NamedCurves.getNames());
// addEnumeration(v, GMNamedCurves.getNames());
// END Android-removed: Unsupported curves
return v.elements();
}
private static void addEnumeration(
Vector v,
Enumeration e)
{
while (e.hasMoreElements())
{
v.addElement(e.nextElement());
}
}
}
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