NAME

       authvar — handles authenticated variables for pesign

SYNOPSIS

       authvar  ⟨-a |  -c |  -s⟩  -N  {guid} -n name ⟨-v value | -f file⟩ [-t time] [-d directory] [-S nickname]
               [-i file] [-e file]

DESCRIPTION

       authvar is a command line utility for handling authenticated UEFI variables.

OPTIONS

       -a | --append
               Append to variable

       -c | --clear
               Clear variable

       -s | --set
               set variable

       -N ⟨{guid} | namespace⟩ | --namespace ⟨{guid} | namespace⟩
               Variable is in namespace or {guid} (default: global)

               Use -N help to list namespaces.

       -n name | --name name
               Variable name

       -v value | --value value
               Set or append value to variable

       -f file | --valuefile file
               Read value from file

       -t time | --timestamp time
               Timestamp for the variable (default: now)

       -d directory | --certdir directory
               Specify nss certificate database directory (default: /etc/pki/pesign)

       -S nickname | --sign nickname
               Sign variable with certificate nickname from the NSS database

       -i file | --import file
               Import variable from file

       -e file | --export file
               Export variable to file instead of setting it in firmware

STANDARDS

       B. Kaliski, PKCS #7: Cryptographic Message Syntax  v1.5,  Internet  Engineering  Task  Force,  RFC  2315,
       https://tools.ietf.org/html/rfc2315 , March 1998.

       K.  Moriarty,  M.  Nyström, S. Parkinson, A. Rusch, and M. Scott, PKCS #12: Personal Information Exchange
       Syntax v1.1, Internet Engineering Task Force, RFC 7292, https://tools.ietf.org/html/rfc7292 , July 2014.

       PKCS11   Technical   Committee,    PKCS#11:    Cryptographic    Token    Interface    Standard,    OASIS,
       https://www.cryptsoft.com/pkcs11doc/ .

       UEFI Specification Working Group, Unified Extensible Firmware Interface (UEFI) Specification Version 2.8,
       Unified Extensible Firmware Interface Forum, https://uefi.org/specifications , March 2019.

SEE ALSO

       pesign(1), certutil(1)

AUTHORS

       Peter Jones

Linux                                             Jun 4, 2020$                                        AUTHVAR(1)