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.. _mozilla_projects_nss_reference_nss_tools_:_vfychain:
NSS tools : vfychain
====================
.. container::
Name
| vfychain — vfychain [options] [revocation options] certfile [[options]
| certfile] ...
Synopsis
vfychain
Description
| The verification Tool, vfychain, verifies certificate chains. modutil can
| add and delete PKCS #11 modules, change passwords on security databases,
| set defaults, list module contents, enable or disable slots, enable or
| disable FIPS 140-2 compliance, and assign default providers for
| cryptographic operations. This tool can also create certificate, key, and
| module security database files.
| The tasks associated with security module database management are part of
| a process that typically also involves managing key databases and
| certificate databases.
Options
| -a
| the following certfile is base64 encoded
| -b YYMMDDHHMMZ
| Validate date (default: now)
| -d directory
| database directory
| -f
| Enable cert fetching from AIA URL
| -o oid
| Set policy OID for cert validation(Format OID.1.2.3)
-p
Use PKIX Library to validate certificate by calling:
\* CERT_VerifyCertificate if specified once,
\* CERT_PKIXVerifyCert if specified twice and more.
| -r
| Following certfile is raw binary DER (default)
| -t
| Following cert is explicitly trusted (overrides db trust)
-u usage
| 0=SSL client, 1=SSL server, 2=SSL StepUp, 3=SSL CA, 4=Email
| signer, 5=Email recipient, 6=Object signer,
| 9=ProtectedObjectSigner, 10=OCSP responder, 11=Any CA
| -v
| Verbose mode. Prints root cert subject(double the argument for
| whole root cert info)
| -w password
| Database password
| -W pwfile
| Password file
| Revocation options for PKIX API (invoked with -pp options) is a
| collection of the following flags: [-g type [-h flags] [-m type
| [-s flags]] ...] ...
Where:
| -g test-type
| Sets status checking test type. Possible values are "leaf" or
| "chain"
| -g test type
| Sets status checking test type. Possible values are "leaf" or
| "chain".
| -h test flags
| Sets revocation flags for the test type it follows. Possible
| flags: "testLocalInfoFirst" and "requireFreshInfo".
| -m method type
| Sets method type for the test type it follows. Possible types are
| "crl" and "ocsp".
| -s method flags
| Sets revocation flags for the method it follows. Possible types
| are "doNotUse", "forbidFetching", "ignoreDefaultSrc",
| "requireInfo" and "failIfNoInfo".
Additional Resources
| For information about NSS and other tools related to NSS (like JSS), check
| out the NSS project wiki at
| [1]\ `http://www.mozilla.org/projects/security/pki/nss/ <https://www.mozilla.org/projects/security/pki/nss/>`__.
The NSS site relates
| directly to NSS code changes and releases.
IRC: Freenode at #dogtag-pki
Authors
| The NSS tools were written and maintained by developers with Netscape, Red
| Hat, and Sun.
| Authors: Elio Maldonado <emaldona@redhat.com>, Deon Lackey
| <dlackey@redhat.com>.
Copyright
(c) 2010, Red Hat, Inc. Licensed under the GNU Public License version 2.
References
| Visible links
| 1.