com.google.crypto.tink.signature

Class Ed25519Parameters

java.lang.Object

com.google.crypto.tink.Parameters

com.google.crypto.tink.signature.SignatureParameters

com.google.crypto.tink.signature.Ed25519Parameters

public final class Ed25519Parameters
extends SignatureParameters

This class describes the parameters of an Ed25519Key.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Ed25519Parameters.Variant An enum-like class with constant instances, which explains how the prefix is computed.

Method Summary

Modifier and Type	Method and Description
static Ed25519Parameters	create() Creates an instance with NO_PREFIX variant.
static Ed25519Parameters	create(Ed25519Parameters.Variant variant) Creates an instance with given variant.
boolean	equals(Object o)
Ed25519Parameters.Variant	getVariant() Returns a variant object.
int	hashCode()
boolean	hasIdRequirement() Returns true if a key created with the parameters in this object has to have a certain ID when it is in a keyset.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

create

public static Ed25519Parameters create()

Creates an instance with NO_PREFIX variant.

create

public static Ed25519Parameters create(Ed25519Parameters.Variant variant)

Creates an instance with given variant.

getVariant

public Ed25519Parameters.Variant getVariant()

Returns a variant object.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

hasIdRequirement

public boolean hasIdRequirement()

Description copied from class: Parameters

Returns true if a key created with the parameters in this object has to have a certain ID when it is in a keyset.

In Tink, certain keys change their behavior depending on the key id (for example, an Aead object can prefix the ciphertext with the big endian encoding of the key id). If this is the case, such a key should require a unique id in Key.getIdRequirementOrNull() and return true here.

Specified by:

hasIdRequirement in class Parameters

toString

public String toString()

Overrides:

toString in class Object