SYNOPSIS
       openssl verify [-help] [-CAfile file] [-CApath directory] [-no-CAfile] [-no-CApath]
       [-allow_proxy_certs] [-attime timestamp] [-check_ss_sig] [-CRLfile file] [-crl_download]
       [-crl_check] [-crl_check_all] [-engine id] [-explicit_policy] [-extended_crl]
       [-ignore_critical] [-inhibit_any] [-inhibit_map] [-no_check_time] [-partial_chain]
       [-policy arg] [-policy_check] [-policy_print] [-purpose purpose] [-suiteB_128]
       [-suiteB_128_only] [-suiteB_192] [-trusted_first] [-no_alt_chains] [-untrusted file]
       [-trusted file] [-use_deltas] [-verbose] [-auth_level level] [-verify_depth num]
       [-verify_email email] [-verify_hostname hostname] [-verify_ip ip] [-verify_name name]
       [-x509_strict] [-show_chain] [-] [certificates]