com.webauthn4j.util

Class ECUtil

java.lang.Object

com.webauthn4j.util.ECUtil

public class ECUtil
extends java.lang.Object

A Utility class for Elliptic Curve(EC) manipulation

Field Summary

Fields

Modifier and Type	Field and Description
static java.security.spec.ECParameterSpec	P_256_SPEC
static java.security.spec.ECParameterSpec	P_384_SPEC
static java.security.spec.ECParameterSpec	P_521_SPEC

Method Summary

Modifier and Type	Method and Description
static byte[]	convertToFixedByteArray(java.math.BigInteger value)
static byte[]	convertToFixedByteArray(int fixedSize, java.math.BigInteger value)
static java.security.KeyPair	createKeyPair()
static java.security.KeyPair	createKeyPair(byte[] seed)
static java.security.KeyPair	createKeyPair(byte[] seed, java.security.spec.ECParameterSpec ecParameterSpec)
static java.security.KeyPair	createKeyPair(java.security.spec.ECParameterSpec ecParameterSpec)
static java.security.PrivateKey	createPrivateKey(java.security.spec.ECPrivateKeySpec ecPrivateKeySpec)
static java.security.PublicKey	createPublicKey(java.security.spec.ECPublicKeySpec ecPublicKeySpec)
static java.security.PublicKey	createPublicKeyFromUncompressed(byte[] publicKey)
static byte[]	createUncompressedPublicKey(java.security.interfaces.ECPublicKey ecPublicKey)

Methods inherited from class java.lang.Object

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

Field Detail

P_256_SPEC

public static final java.security.spec.ECParameterSpec P_256_SPEC

P_384_SPEC

public static final java.security.spec.ECParameterSpec P_384_SPEC

P_521_SPEC

public static final java.security.spec.ECParameterSpec P_521_SPEC

Method Detail

createUncompressedPublicKey

public static byte[] createUncompressedPublicKey(java.security.interfaces.ECPublicKey ecPublicKey)

convertToFixedByteArray

public static byte[] convertToFixedByteArray(java.math.BigInteger value)

convertToFixedByteArray

public static byte[] convertToFixedByteArray(int fixedSize,
                                             java.math.BigInteger value)

createKeyPair

public static java.security.KeyPair createKeyPair()

createPublicKey

public static java.security.PublicKey createPublicKey(java.security.spec.ECPublicKeySpec ecPublicKeySpec)

createPrivateKey

public static java.security.PrivateKey createPrivateKey(java.security.spec.ECPrivateKeySpec ecPrivateKeySpec)

createKeyPair

public static java.security.KeyPair createKeyPair(byte[] seed,
                                                  java.security.spec.ECParameterSpec ecParameterSpec)

createKeyPair

public static java.security.KeyPair createKeyPair(byte[] seed)

createKeyPair

public static java.security.KeyPair createKeyPair(java.security.spec.ECParameterSpec ecParameterSpec)

createPublicKeyFromUncompressed

public static java.security.PublicKey createPublicKeyFromUncompressed(byte[] publicKey)