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TARSNAP-KEYGEN(1)	     General Commands Manual	       TARSNAP-KEYGEN(1)

NAME
     tarsnap-keygen -- generate a key file for use with tarsnap(1)

SYNOPSIS
     tarsnap-keygen --keyfile key-file --user user-name --machine machine-name
		    [--passphrased] [--passphrase-mem maxmem]
		    [--passphrase-time maxtime]
     tarsnap-keygen --version

DESCRIPTION
     tarsnap-keygen  generates	cryptographic  keys,  registers with the tarsnap
     server, and writes a key file for use with tarsnap(1).

     The --keyfile key-file option specifies the name of the file  in  which  to
     write  the newly-generated keys.  The --user user-name option specifies the
     name  (i.e.  email  address)  of  the  Tarsnap  account.	 The   --machine
     machine-name  option specifies a name which will be displayed in accounting
     reports so that you can see how much data each machine is storing.

     If the --passphrased option is specified, the user will be prompted to  en-
     ter a passphrase (twice) to be used to encrypt the key file.

     If  the  --passphrase-mem	maxmem	option is specified, a maximum of maxmem
     bytes of RAM will be used in the scrypt key derivation function to  encrypt
     the key file; it may be necessary to set this option if a key file is being
     generated	on  a  system with far more RAM than the system on which the key
     file will be used.

     If the --passphrase-time maxtime option is specified, a maximum of approxi-
     mately maxtime seconds will be used in the scrypt key  derivation	function
     to encrypt the key file.

     The  --version option prints the version number of tarsnap-keygen, then ex-
     its.

FreeBSD ports 15.quarterly	 March 20, 2025 	       TARSNAP-KEYGEN(1)

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