question: public List < VerificationOK > verify ( X509Certificate signCert , X509Certificate issuerCert , Date signDate ) throws GeneralSecurityException , IOException { RootStoreVerifier rootStoreVerifier = new RootStoreVerifier ( verifier ) ; rootStoreVerifier . setRootStore ( rootStore ) ; CRLVerifier crlVerifier = new CRLVerifier ( rootStoreVerifier , getCRLsFromDSS ( ) ) ; crlVerifier . setRootStore ( rootStore ) ; crlVerifier . setOnlineCheckingAllowed ( latestRevision || onlineCheckingAllowed ) ; OCSPVerifier ocspVerifier = new OCSPVerifier ( crlVerifier , getOCSPResponsesFromDSS ( ) ) ; ocspVerifier . setRootStore ( rootStore ) ; ocspVerifier . setOnlineCheckingAllowed ( latestRevision || onlineCheckingAllowed ) ; return ocspVerifier . verify ( signCert , issuerCert , signDate ) ; }
target:  Verifies certificates against a list of CRLs and OCSP responses.