Hi Bob, Yan, Bob wrote: > H All, > > I used the following methods to load CRL hashed-directory into a SSL_CTX object to verify the client certificate against the CRL. The code works fine and it's able to verify the client certificate against the loaded CRLs. > > X509_STORE *x509Store = SSL_CTX_get_cert_store(sslCtx); > X509_LOOKUP *lookup = X509_STORE_add_lookup(x509Store, X509_LOOKUP_hash_dir()); > X509_LOOKUP_add_dir(lookup, crlDirectory, X509_FILETYPE_PEM); > > My question is that, is there any method to retrieve the CRL list or print all revoked certificate list? > did you try the X509_CRL_print function? (this is what "openssl crl -text" uses) JJK