Package io.fusionauth.jwt.hmac

Class HMACVerifier

java.lang.Object

io.fusionauth.jwt.hmac.HMACVerifier

All Implemented Interfaces:

Verifier

public class HMACVerifier
extends Object
implements Verifier

This class is used to verify a JWT signed with an HMAC algorithm.

Author:

Daniel DeGroff

Method Summary

Modifier and Type	Method	Description
boolean	canVerify(Algorithm algorithm)
static HMACVerifier	newVerifier(byte[] bytes)	Return a new instance of the HMAC Verifier with the provided secret.
static HMACVerifier	newVerifier(byte[] bytes, CryptoProvider cryptoProvider)	Return a new instance of the HMAC Verifier with the provided secret.
static HMACVerifier	newVerifier(String secret)	Return a new instance of the HMAC Verifier with the provided secret.
static HMACVerifier	newVerifier(String secret, CryptoProvider cryptoProvider)	Return a new instance of the HMAC Verifier with the provided secret.
static HMACVerifier	newVerifier(Path path)	Return a new instance of the HMAC Verifier with the provided secret.
static HMACVerifier	newVerifier(Path path, CryptoProvider cryptoProvider)	Return a new instance of the HMAC Verifier with the provided secret.
void	verify(Algorithm algorithm, byte[] message, byte[] signature)	Verify the signature of the encoded JWT payload.

Methods inherited from class java.lang.Object

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

Method Details

newVerifier

public static HMACVerifier newVerifier(String secret)

Return a new instance of the HMAC Verifier with the provided secret.

Parameters:

secret - The secret.

Returns:

a new instance of the HMAC verifier.

newVerifier

public static HMACVerifier newVerifier(Path path)

Return a new instance of the HMAC Verifier with the provided secret.

Parameters:

path - The path to the secret.

Returns:

a new instance of the HMAC verifier.

newVerifier

public static HMACVerifier newVerifier(byte[] bytes)

Return a new instance of the HMAC Verifier with the provided secret.

Parameters:

bytes - The bytes of the secret.

Returns:

a new instance of the HMAC verifier.

newVerifier

public static HMACVerifier newVerifier(String secret,
 CryptoProvider cryptoProvider)

Return a new instance of the HMAC Verifier with the provided secret.

Parameters:

secret - The secret.

cryptoProvider - The crypto provider used to get the MAC digest algorithm.

Returns:

a new instance of the HMAC verifier.

newVerifier

public static HMACVerifier newVerifier(Path path,
 CryptoProvider cryptoProvider)

Return a new instance of the HMAC Verifier with the provided secret.

Parameters:

path - The path to the secret.

cryptoProvider - The crypto provider used to get the MAC digest algorithm.

Returns:

a new instance of the HMAC verifier.

newVerifier

public static HMACVerifier newVerifier(byte[] bytes,
 CryptoProvider cryptoProvider)

Return a new instance of the HMAC Verifier with the provided secret.

Parameters:

bytes - The bytes of the secret.

cryptoProvider - The crypto provider used to get the MAC digest algorithm.

Returns:

a new instance of the HMAC verifier.

canVerify

public boolean canVerify(Algorithm algorithm)

Specified by:

canVerify in interface Verifier

Parameters:

algorithm - The algorithm required to verify the signature on this JWT.

Returns:

True if this Verifier is able to verify a signature using the specified algorithm.

verify

public void verify(Algorithm algorithm,
 byte[] message,
 byte[] signature)

Description copied from interface: Verifier

Verify the signature of the encoded JWT payload.

Specified by:

verify in interface Verifier

Parameters:

algorithm - The algorithm used to verify the JWT signature.

message - The JWT message. The header and claims, the first two segments of the dot separated JWT.

signature - The signature to verify.