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