TokenSignatureProvider.java
package org.keycloak.jose.jws;
import java.security.Key;
import org.keycloak.provider.Provider;
// KEYCLOAK-7560 Refactoring Token Signing and Verifying by Token Signature SPI
public interface TokenSignatureProvider extends Provider {
byte[] sign(byte[] data, String sigAlgName, Key key);
boolean verify(JWSInput jws, Key verifyKey);
}