org.whispersystems.libsignal.ecc

Class Curve

java.lang.Object

org.whispersystems.libsignal.ecc.Curve

public class Curve
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	DJB_TYPE

Constructor Summary

Constructors

Constructor and Description
Curve()

Method Summary

Modifier and Type	Method and Description
static byte[]	calculateAgreement(ECPublicKey publicKey, ECPrivateKey privateKey)
static byte[]	calculateSignature(ECPrivateKey signingKey, byte[] message)
static byte[]	calculateVrfSignature(ECPrivateKey signingKey, byte[] message)
static ECPublicKey	decodePoint(byte[] bytes, int offset)
static ECPrivateKey	decodePrivatePoint(byte[] bytes)
static ECKeyPair	generateKeyPair()
static boolean	isNative()
static boolean	verifySignature(ECPublicKey signingKey, byte[] message, byte[] signature)
static byte[]	verifyVrfSignature(ECPublicKey signingKey, byte[] message, byte[] signature)

Methods inherited from class java.lang.Object

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

Field Detail

DJB_TYPE

public static final int DJB_TYPE

See Also:

Constant Field Values

Constructor Detail

Curve

public Curve()

Method Detail

isNative

public static boolean isNative()

generateKeyPair

public static ECKeyPair generateKeyPair()

decodePoint

public static ECPublicKey decodePoint(byte[] bytes,
                                      int offset)
                               throws InvalidKeyException

Throws:

InvalidKeyException

decodePrivatePoint

public static ECPrivateKey decodePrivatePoint(byte[] bytes)

calculateAgreement

public static byte[] calculateAgreement(ECPublicKey publicKey,
                                        ECPrivateKey privateKey)
                                 throws InvalidKeyException

Throws:

InvalidKeyException

verifySignature

public static boolean verifySignature(ECPublicKey signingKey,
                                      byte[] message,
                                      byte[] signature)
                               throws InvalidKeyException

Throws:

InvalidKeyException

calculateSignature

public static byte[] calculateSignature(ECPrivateKey signingKey,
                                        byte[] message)
                                 throws InvalidKeyException

Throws:

InvalidKeyException

calculateVrfSignature

public static byte[] calculateVrfSignature(ECPrivateKey signingKey,
                                           byte[] message)
                                    throws InvalidKeyException

Throws:

InvalidKeyException

verifyVrfSignature

public static byte[] verifyVrfSignature(ECPublicKey signingKey,
                                        byte[] message,
                                        byte[] signature)
                                 throws InvalidKeyException,
                                        org.whispersystems.curve25519.VrfSignatureVerificationFailedException

Throws:

InvalidKeyException

org.whispersystems.curve25519.VrfSignatureVerificationFailedException