Package com.yubico.webauthn.data

Class Extensions.Prf.PrfValues

java.lang.Object

com.yubico.webauthn.data.Extensions.Prf.PrfValues

Enclosing class:

Extensions.Prf

public static final class Extensions.Prf.PrfValues
extends Object

One or two inputs to or outputs from the pseudo-random function (PRF) associated with a credential.

getFirst() is always present, but getSecond() is empty when only one input or output was given.

Since:

2.7.0

See Also:

• one(ByteArray)
• two(ByteArray, ByteArray)
• oneOrTwo(ByteArray, Optional)
• dictionary AuthenticationExtensionsPRFValues
• §10.1.4. Pseudo-random function extension (prf)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
@NonNull ByteArray	getFirst()	The first PRF input to evaluate, or the result of that evaluation.
Optional<ByteArray>	getSecond()	The second PRF input to evaluate, if any, or the result of that evaluation.
int	hashCode()
static Extensions.Prf.PrfValues	one(@NonNull ByteArray first)	Construct a Extensions.Prf.PrfValues with a single PRF input or output.
static Extensions.Prf.PrfValues	oneOrTwo(@NonNull ByteArray first, @NonNull Optional<ByteArray> second)	Construct a Extensions.Prf.PrfValues with two PRF inputs or outputs if second is present, otherwise a Extensions.Prf.PrfValues with one inputs or output.
String	toString()
static Extensions.Prf.PrfValues	two(@NonNull ByteArray first, @NonNull ByteArray second)	Construct a Extensions.Prf.PrfValues with two PRF inputs or outputs.

Methods inherited from class java.lang.Object

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

Method Details

getSecond

public Optional<ByteArray> getSecond()

The second PRF input to evaluate, if any, or the result of that evaluation.

Since:

2.7.0

See Also:

• AuthenticationExtensionsPRFValues.second

one

public static Extensions.Prf.PrfValues one(@NonNull
 @NonNull ByteArray first)

Construct a Extensions.Prf.PrfValues with a single PRF input or output.

Parameters:

first - the PRF input or output. Must not be null.

Since:

2.7.0

See Also:

• dictionary AuthenticationExtensionsPRFValues
• §10.1.4. Pseudo-random function extension (prf)

two

public static Extensions.Prf.PrfValues two(@NonNull
 @NonNull ByteArray first,
 @NonNull
 @NonNull ByteArray second)

Construct a Extensions.Prf.PrfValues with two PRF inputs or outputs.

Parameters:

first - the first PRF input or output. Must not be null.

second - the second PRF input or output. Must not be null.

Since:

2.7.0

See Also:

• dictionary AuthenticationExtensionsPRFValues
• §10.1.4. Pseudo-random function extension (prf)

oneOrTwo

public static Extensions.Prf.PrfValues oneOrTwo(@NonNull
 @NonNull ByteArray first,
 @NonNull
 @NonNull Optional<ByteArray> second)

Construct a Extensions.Prf.PrfValues with two PRF inputs or outputs if second is present, otherwise a Extensions.Prf.PrfValues with one inputs or output.

Parameters:

first - the first PRF input or output. Must not be null.

second - the second PRF input or output, if any. Must not be null, but may be empty.

Since:

2.7.0

See Also:

• dictionary AuthenticationExtensionsPRFValues
• §10.1.4. Pseudo-random function extension (prf)

getFirst

@NonNull
public @NonNull ByteArray getFirst()

The first PRF input to evaluate, or the result of that evaluation.

Since:

2.7.0

See Also:

• AuthenticationExtensionsPRFValues.first
• §10.1.4. Pseudo-random function extension (prf)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object