org.apache.commons.ssl.org.bouncycastle.asn1.nist

Class NISTNamedCurves

java.lang.Object

org.apache.commons.ssl.org.bouncycastle.asn1.nist.NISTNamedCurves

public class NISTNamedCurves
extends Object

Utility class for fetching curves using their NIST names as published in FIPS-PUB 186-3

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static Hashtable	names
(package private) static Hashtable	objIds

Constructor Summary

Constructors

Constructor and Description
NISTNamedCurves()

Method Summary

Modifier and Type	Method and Description
(package private) static void	defineCurve(String name, ASN1ObjectIdentifier oid)
static X9ECParameters	getByName(String name)
static X9ECParameters	getByOID(ASN1ObjectIdentifier oid) return the X9ECParameters object for the named curve represented by the passed in object identifier.
static String	getName(ASN1ObjectIdentifier oid) return the named curve name represented by the given object identifier.
static Enumeration	getNames() returns an enumeration containing the name strings for curves contained in this structure.
static ASN1ObjectIdentifier	getOID(String name) return the object identifier signified by the passed in name.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

objIds

static final Hashtable objIds

names

static final Hashtable names

Constructor Detail

NISTNamedCurves

public NISTNamedCurves()

Method Detail

defineCurve

static void defineCurve(String name,
                        ASN1ObjectIdentifier oid)

getByName

public static X9ECParameters getByName(String name)

getByOID

public static X9ECParameters getByOID(ASN1ObjectIdentifier oid)

return the X9ECParameters object for the named curve represented by the passed in object identifier. Null if the curve isn't present.

Parameters:

oid - an object identifier representing a named curve, if present.

getOID

public static ASN1ObjectIdentifier getOID(String name)

return the object identifier signified by the passed in name. Null if there is no object identifier associated with name.

Returns:

the object identifier associated with name, if present.

getName

public static String getName(ASN1ObjectIdentifier oid)

return the named curve name represented by the given object identifier.

getNames

public static Enumeration getNames()

returns an enumeration containing the name strings for curves contained in this structure.