sq-pki-lookup - Man Page

Lookup the certificates associated with a User ID

Synopsis

sq pki lookup [Options]  

Description

Lookup the certificates associated with a User ID.

Identifies authenticated bindings (User ID and certificate pairs) where the User ID matches the specified User ID.

An error is return if no binding could be authenticated to the specified 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., `sq pki` tries to find 10 paths.

--certification-network

Treats the network as a certification network

Normally, `sq pki` 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.

--email=EMAIL

Find certificates that can be authenticated for the specified email address

A certificate is returned if a user ID with the specified email address can be authenticated for that certificate.

To search for a certificate with a user ID containing just the specified email address, use `--userid <EMAIL>`.

--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 authenticate a certificate.  For instance, imagine Ed wants to authenticate Laura's certificate, but asking her directly is inconvenient.  Ed discovers that Micah has certified Laura's certificate, 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.

--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.

--userid=USERID

Find certificates that can be authenticated for the specified user ID

The specified user ID does not need to be self signed.

Global options

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

Examples

Lookup certificates that can be authenticated for the given user ID.

    sq pki lookup --userid "Alice <alice@example.org>"

Lookup certificates that have a user ID with the specified email address, and that user ID can be authenticated.

    sq pki lookup --email alice@example.org

See Also

sq(1), sq-pki(1).

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

Version

1.0.0 (sequoia-openpgp 1.22.0)

Referenced By

sq-pki(1).

1.0.0 Sequoia PGP