com.google.crypto.tink.signature.internal

Class Ed25519SignJce

java.lang.Object

com.google.crypto.tink.signature.internal.Ed25519SignJce

All Implemented Interfaces:

PublicKeySign

@Immutable
public final class Ed25519SignJce
extends Object
implements PublicKeySign

Ed25519 signing using the JCE.

Field Summary

Fields

Modifier and Type	Field and Description
static TinkFipsUtil.AlgorithmFipsCompatibility	FIPS
static int	SECRET_KEY_LEN
static int	SIGNATURE_LEN

Constructor Summary

Constructors

Constructor and Description
Ed25519SignJce(byte[] privateKey) Constructs a Ed25519SignJce with the privateKey.

Method Summary

Modifier and Type	Method and Description
static PublicKeySign	create(Ed25519PrivateKey key)
static boolean	isSupported() Returns true if the JCE supports Ed25519.
byte[]	sign(byte[] data) Computes the signature for data.

Methods inherited from class java.lang.Object

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

Field Detail

FIPS

public static final TinkFipsUtil.AlgorithmFipsCompatibility FIPS

SECRET_KEY_LEN

public static final int SECRET_KEY_LEN

See Also:

Constant Field Values

SIGNATURE_LEN

public static final int SIGNATURE_LEN

See Also:

Constant Field Values

Constructor Detail

Ed25519SignJce

public Ed25519SignJce(byte[] privateKey)
               throws GeneralSecurityException

Constructs a Ed25519SignJce with the privateKey.

Throws:

GeneralSecurityException

Method Detail

create

public static PublicKeySign create(Ed25519PrivateKey key)
                            throws GeneralSecurityException

Throws:

GeneralSecurityException

isSupported

public static boolean isSupported()

Returns true if the JCE supports Ed25519.

sign

public byte[] sign(byte[] data)
            throws GeneralSecurityException

Description copied from interface: PublicKeySign

Computes the signature for data.

Specified by:

sign in interface PublicKeySign

Returns:

the signature of data

Throws:

GeneralSecurityException