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.TH NOTARY 1
.CT 1 comm_term sa_mortals secur
.SH NAME
sign, enroll, verify, key, notaryd \(mi sign and verify certificates
.SH SYNOPSIS
.B "notary sign
.PP
.B "notary enroll
[
.B -n
]
.I name
.PP
.B "notary verify
.I name
.I xsum
.I text
.PP
.B lmask
.B xn
.B /usr/notary/notaryd
[
.B -m
.I mtpt
]
[
.B -d
.I dir
]
.PP
.B "notary key
.SH DESCRIPTION
.I Notary
provides a document-authentication service.
Any user may `sign' a document by presenting it and
a secret key to the notary.
The notary returns a certificate (a cryptographic checksum made
with the secret key).
For the certificate to be useful, the key must
be enrolled with the notary under some public name.
Given the certificate and the public name, any user may
ask the notary to authenticate the document by verifying that
it is indeed as certified.
.PP
.I Sign
writes on the standard output a certificate for its standard input.
The secret key
is demanded from the terminal.
.PP
.I Enroll
prompts the terminal for a secret key to associate with the
public
.IR name .
Unless this is a new enrollment for
.I name,
indicated by option
.BR -n ,
the previous value of the key is demanded from the terminal.
If a trivial new key is presented, the
.I name
is erased from the database.
.PP
.I Verify
tells whether
.I xsum
is the checksum of
.IR text,
figured with the enrolled key for the public
.IR name .
.PP
.I Notaryd
is the notary daemon, which mounts itself on
.I mtpt
(default
.FR /cs/notary )
and keeps its log files and database in directory
.I dir
(default
.FR /usr/notary ).
The database is encrypted, so that although
.I notaryd
is normally started by
.IR rc (8),
it cannot serve other requests until it has been primed by a
.L "notary key
request, which obtains the notary's master key from
the terminal.
.SH FILES
.nf
.F /cs/notary
.F /usr/notary/*
.fi
.SH "SEE ALSO
.IR notary (3)
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