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SQ(1)				 User Commands				 SQ(1)

NAME
       sq-cert - Manage	certificates

SYNOPSIS
       sq cert import [OPTIONS]	FILE
       sq cert export [OPTIONS]
       sq cert list [OPTIONS] FINGERPRINT|KEYID|PATTERN
       sq cert lint [OPTIONS]

DESCRIPTION
       Manage certificates.

       We use the term "certificate", or "cert"	for short, to refer to OpenPGP
       keys  that do not contain secrets.  This	subcommand provides primitives
       to generate and otherwise manipulate certs.

       Conversely, we use the term "key" to refer to OpenPGP keys that do con-
       tain secrets.  See `sq key` for operations on keys.

SUBCOMMANDS
   sq cert import
       Import certificates into	the local certificate store.

   sq cert export
       Export certificates from	the local certificate store.

       If multiple predicates are specified a certificate is  returned	if  at
       least one of them matches.

       This does not check the authenticity of the certificates	in anyway. Be-
       fore using the certificates, be sure to validate	and authenticate them.

       When  matching  on subkeys or User IDs, the component must have a valid
       self signature according	to the policy.

       Fails if	search criteria	are specified and none	of  them  matches  any
       certificates.   Note:  this means if the	certificate store is empty and
       no search criteria are specified, then this will	return success.

   sq cert list
       List certificates and user IDs.

       List certificates and user IDs that match a query, are usable, and  can
       be authenticated.  By default, bindings (certificate and	user ID	pairs)
       must  be	 fully	authenticated.	If no certificates or bindings match a
       query, then the command returns a non-zero exit code.

       If no queries are provided, then	all bindings that are usable, and  can
       be  authenticated  are listed.  If there	are no such bindings, the com-
       mand still succeeds.

       By default, unusable certificates, i.e.,	those that are not  valid  ac-
       cording	to  the	 policy,  are  revoked,	 or are	not live, are skipped.
       Likewise, user ID self signatures and certifications that are not valid
       according to the	policy,	and user IDs that are revoked are skipped.

   sq cert lint
       Check certificates for issues.

       `sq cert	lint` checks  the  supplied  certificates  for	the  following
       SHA-1-related issues:

	 - Whether a certificate revocation uses SHA-1.

	 -  Whether  the current self signature	for a non-revoked User ID uses
       SHA-1.

	 - Whether the current subkey binding  signature  for  a  non-revoked,
       live subkey uses	SHA-1.

	 -  Whether  a primary key binding signature ("backsig") for a non-re-
       voked, live subkey uses SHA-1.

       Diagnostics are printed to stderr.  At the  end,	 some  statistics  are
       shown.	This is	useful when examining a	keyring.  If `--fix` is	speci-
       fied and	at least one issue could be fixed, the fixed certificates  are
       printed to stdout.

       This  tool  does	 not  currently	support	smart cards.  But, if only the
       subkeys are on a	smart card, this tool may still	be able	 to  partially
       repair  the certificate.	 In particular,	it will	be able	to fix any is-
       sues with User ID self signatures and subkey binding signatures for en-
       cryption-capable	subkeys, but it	will not be able to generate new  pri-
       mary key	binding	signatures for any signing-capable subkeys.

EXAMPLES
   sq cert import
       Import a	certificate.

	      sq cert import juliet.pgp

   sq cert export
       Export certificates with	a User ID containing the email address.

	      sq cert export --cert-email=alice@example.org

       Export  certificates  that  contain a User ID with *either* (not	both!)
       email address.

	      sq cert export --cert-email=alice@example.org \
		     --cert-email=bob@example.org

       Export all certificates.

	      sq cert export --all

   sq cert list
       List all	bindings for user IDs containing an email address  from	 exam-
       ple.org,	and that can be	authenticated.

	      sq cert list @example.org

       List  all  authenticated	 bindings  for	User IDs containing a specific
       email address.

	      sq cert list --cert-email=alice@example.org

       List all	paths to certificates containing a specific email address.

	      sq cert list --gossip --show-paths \
		     --cert-email=alice@example.org

   sq cert lint
	Gather statistics on the certificates in a keyring.

	      sq cert lint --cert-file certs.pgp

       Fix a key with known problems.

	      sq key export --cert EB28F26E2739A4870ECC47726F0073F60FD0CBF0 \
		     | sq cert lint --fix --cert-file=-	\
		     | sq cert import

SEE ALSO
       sq(1),	 sq-cert-import(1),    sq-cert-export(1),     sq-cert-list(1),
       sq-cert-lint(1).

       For the full documentation see <https://book.sequoia-pgp.org/>.

VERSION
       1.3.1

Sequoia	PGP			     1.3.1				 SQ(1)

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