| void | CertPathChecker. check(Certificate cert) | Performs the check(s) on the specified certificate using its internal
 state. | 
| void | PKIXCertPathChecker. check(Certificate cert) | Performs the check(s) on the specified certificate using its internal
 state. | 
| abstract void | PKIXCertPathChecker. check(Certificate cert,
     Collection<String> unresolvedCritExts) | Performs the check(s) on the specified certificate using its internal
 state and removes any critical extensions that it processes from the
 specified collection of OID strings that represent the unresolved
 critical extensions. | 
| abstract CertPathValidatorResult | CertPathValidatorSpi. engineValidate(CertPath certPath,
              CertPathParameters params) | Validates the specified certification path using the specified
 algorithm parameter set. | 
| void | CertPathChecker. init(boolean forward) | Initializes the internal state of this CertPathChecker. | 
| abstract void | PKIXCertPathChecker. init(boolean forward) | Initializes the internal state of this PKIXCertPathChecker. | 
| CertPathValidatorResult | CertPathValidator. validate(CertPath certPath,
        CertPathParameters params) | Validates the specified certification path using the specified
 algorithm parameter set. |