Package org.opensaml.security.crypto.ec

Class NamedCurveRegistry

java.lang.Object

org.opensaml.security.crypto.ec.NamedCurveRegistry

public class NamedCurveRegistry
extends Object

A registry of NamedCurve descriptors.

Field Summary

Fields

Modifier and Type	Field	Description
private final Map<String,NamedCurve>	byName	Index by name.
private final Map<String,NamedCurve>	byOID	Index by OID.
private final Map<EnhancedECParameterSpec,NamedCurve>	byParamSpec	Index by EnhancedECParameterSpec.
private final Map<String,NamedCurve>	byURI	Index by URI.
private final org.slf4j.Logger	log	Logger.

Constructor Summary

Constructors

Constructor	Description
NamedCurveRegistry()	Constructor.

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear all registered curves.
void	deregister(NamedCurve curve)	Deregister a curve.
void	deregisterByName(String name)	Deregister a curve.
void	deregisterByOID(String oid)	Deregister a curve.
void	deregisterByParameterSpec(ECParameterSpec spec)	Deregister a curve.
void	deregisterByURI(String uri)	Deregister a curve.
NamedCurve	getByName(String name)	Lookup a curve by the canonical name by which it is known to the Java Cryptography Architecture (JCA).
NamedCurve	getByOID(String oid)	Lookup a curve by object identifier (OID).
NamedCurve	getByParameterSpec(ECParameterSpec spec)	Lookup a curve by ECParameterSpec.
NamedCurve	getByURI(String uri)	Lookup a curve by URI.
Set<NamedCurve>	getRegisteredCurves()	Get a set of all the registered curves.
void	register(NamedCurve curve)	Register a curve.

Methods inherited from class java.lang.Object

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

Field Details

log

@Nonnull
private final org.slf4j.Logger log

Logger.

byOID

@Nonnull
private final Map<String,NamedCurve> byOID

Index by OID.

byURI

@Nonnull
private final Map<String,NamedCurve> byURI

Index by URI.

byName

@Nonnull
private final Map<String,NamedCurve> byName

Index by name.

byParamSpec

@Nonnull
private final Map<EnhancedECParameterSpec,NamedCurve> byParamSpec

Index by EnhancedECParameterSpec.

Constructor Details

NamedCurveRegistry

public NamedCurveRegistry()

Constructor.

Method Details

register

public void register(@Nonnull
 NamedCurve curve)

Register a curve.

Parameters:

curve - the curve to register

deregister

public void deregister(@Nonnull
 NamedCurve curve)

Deregister a curve.

Parameters:

curve - the curve to deregister

deregisterByOID

public void deregisterByOID(@Nonnull
 String oid)

Deregister a curve.

Parameters:

oid - the object identifier (OID) of the curve to deregister

deregisterByURI

public void deregisterByURI(@Nonnull
 String uri)

Deregister a curve.

Parameters:

uri - the URI

deregisterByName

public void deregisterByName(@Nonnull
 String name)

Deregister a curve.

Parameters:

name - the curve name

deregisterByParameterSpec

public void deregisterByParameterSpec(@Nonnull
 ECParameterSpec spec)

Deregister a curve.

Parameters:

spec - the parameter spec instance

clear

public void clear()

Clear all registered curves.

getRegisteredCurves

@Nonnull
@Unmodifiable
@NotLive
public Set<NamedCurve> getRegisteredCurves()

Get a set of all the registered curves.

Returns:

the set of registered curves

getByOID

@Nullable
public NamedCurve getByOID(@Nonnull
 String oid)

Lookup a curve by object identifier (OID).

Parameters:

oid - the object identifier

Returns:

the NamedCurve instance, or null if no registered curve matched

getByURI

@Nullable
public NamedCurve getByURI(@Nonnull
 String uri)

Lookup a curve by URI.

Parameters:

uri - the URI

Returns:

the NamedCurve instance, or null if no registered curve matched

getByName

@Nullable
public NamedCurve getByName(@Nonnull
 String name)

Lookup a curve by the canonical name by which it is known to the Java Cryptography Architecture (JCA).

Parameters:

name - the name

Returns:

the NamedCurve instance, or null if no registered curve matched

getByParameterSpec

@Nullable
public NamedCurve getByParameterSpec(@Nonnull
 ECParameterSpec spec)

Lookup a curve by ECParameterSpec.

Parameters:

spec - the parameter spec instance

Returns:

the NamedCurve instance, or null if no registered curve matched