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SQ(1)				 User Commands				 SQ(1)

NAME
       sq-pki-identify - Identify a certificate

SYNOPSIS
       sq pki identify [OPTIONS]

DESCRIPTION
       Identify	a certificate.

       Identify	 a  certificate	by finding authenticated bindings (User	ID and
       certificate pairs).

       An error	is return if no	binding	could be authenticated to  the	speci-
       fied  level  (by	 default: fully	authenticated, i.e., a trust amount of
       120).

       If a binding could be partially authenticated (i.e., its	 trust	amount
       is greater than 0), then	the binding is displayed, even if the trust is
       below the specified threshold.

OPTIONS
   Subcommand options
       --amount=AMOUNT
	      The required amount of trust

	      120 indicates full authentication; values	less than 120 indicate
	      partial	authentication.	   When	 `--certification-network`  is
	      passed, this defaults to 1200, i.e., this	command	tries to  find
	      10 paths.

       --cert=FINGERPRINT|KEYID
	      Use certificates with the	specified fingerprint or key ID

       --certification-network
	      Treats the network as a certification network

	      Normally,	 the  authentication machinery treats the Web of Trust
	      network as an authentication network where a certification  only
	      means that the binding is	correct, not that the target should be
	      treated  as  a  trusted introducer.  In a	certification network,
	      the targets of certifications are	treated	as trusted introducers
	      with infinite depth, and any regular  expressions	 are  ignored.
	      Note:  The  trust	 amount	 remains  unchanged.  This is how most
	      so-called	PGP path-finding algorithms work.

       --gossip
	      Treats all certificates as unreliable trust roots

	      This option is useful for	figuring out what others think about a
	      certificate (i.e., gossip	or hearsay).   In  other  words,  this
	      finds arbitrary paths to a particular certificate.

	      Gossip  is useful	in helping to identify alternative ways	to au-
	      thenticate a certificate.	 For instance, imagine Ed wants	to au-
	      thenticate Laura's certificate, but asking her directly  is  in-
	      convenient.   Ed discovers that Micah has	certified Laura's cer-
	      tificate,	but Ed hasn't yet authenticated	 Micah's  certificate.
	      If  Ed  is willing to rely on Micah as a trusted introducer, and
	      authenticating Micah's certificate is easier than	authenticating
	      Laura's certificate, then	Ed has learned about an	easier way  to
	      authenticate Laura's certificate.

	      Stable since 1.1.0.

       --show-paths
	      Show why a binding is authenticated

	      By  default,  only a user	ID and certificate binding's degree of
	      authentication (a	value between  0  and  120)  is	 shown.	  This
	      changes  the  output to also show	how that value was computed by
	      showing the paths	from the trust roots to	the bindings.

       --unusable
	      Show bindings that are unusable

	      Normally,	unusable certificates and bindings are not shown. This
	      option considers bindings, even if they are  not	unusable,  be-
	      cause  they (or the certificates)	are not	valid according	to the
	      policy, are revoked, or are not live.

	      This option only makes sense with	`--gossip`,  because  unusable
	      bindings are still considered unauthenticated.

	      Stable since 1.1.0.

   Global options
       See sq(1) for a description of the global options.

EXAMPLES
       Identify	the user IDs that can be authenticated for the certificate.

	      sq pki identify --cert \
		     EB28F26E2739A4870ECC47726F0073F60FD0CBF0

       List all	user IDs that have that	have been certified by anyone.

	      sq pki identify --gossip --cert \
		     511257EBBF077B7AEDAE5D093F68CB84CE537C9A

SEE ALSO
       sq(1), sq-pki(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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