org.apache.sshd.common.cipher

Class ECCurves

java.lang.Object

org.apache.sshd.common.cipher.ECCurves

public class ECCurves
extends java.lang.Object

Utilities for working with elliptic curves.

Author:

Apache MINA SSHD Project

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ECCurves.EllipticCurves

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ECDSA_SHA2_PREFIX
static java.lang.String	NISTP256
static java.lang.String	NISTP384
static java.lang.String	NISTP521

Constructor Summary

Constructors

Constructor and Description
ECCurves()

Method Summary

Methods

Modifier and Type	Method and Description
static java.security.spec.ECPoint	decodeECPoint(byte[] M, java.security.spec.EllipticCurve curve) Decode an OctetString to EllipticCurvePoint according to SECG 2.3.4
static byte[]	encodeECPoint(java.security.spec.ECPoint group, java.security.spec.EllipticCurve curve) Encode EllipticCurvePoint to an OctetString
static java.lang.String	getCurveName(java.security.spec.ECParameterSpec params)
static java.lang.String	getCurveName(int fieldSize)
static int	getCurveSize(java.security.spec.ECParameterSpec params)
static Digest	getDigestForParams(java.security.spec.ECParameterSpec params)

Methods inherited from class java.lang.Object

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

Field Detail

ECDSA_SHA2_PREFIX

public static final java.lang.String ECDSA_SHA2_PREFIX

See Also:

Constant Field Values

NISTP256

public static final java.lang.String NISTP256

See Also:

Constant Field Values

NISTP384

public static final java.lang.String NISTP384

See Also:

Constant Field Values

NISTP521

public static final java.lang.String NISTP521

See Also:

Constant Field Values

Constructor Detail

ECCurves

public ECCurves()

Method Detail

getCurveName

public static java.lang.String getCurveName(java.security.spec.ECParameterSpec params)

getCurveName

public static java.lang.String getCurveName(int fieldSize)

getCurveSize

public static int getCurveSize(java.security.spec.ECParameterSpec params)

getDigestForParams

public static Digest getDigestForParams(java.security.spec.ECParameterSpec params)

decodeECPoint

public static java.security.spec.ECPoint decodeECPoint(byte[] M,
                                       java.security.spec.EllipticCurve curve)

Decode an OctetString to EllipticCurvePoint according to SECG 2.3.4

encodeECPoint

public static byte[] encodeECPoint(java.security.spec.ECPoint group,
                   java.security.spec.EllipticCurve curve)

Encode EllipticCurvePoint to an OctetString