tarsnap-keyregen man page on Alpinelinux

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TARSNAP-KEYREGEN(1)					   TARSNAP-KEYREGEN(1)

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

SYNOPSIS
       tarsnap-keyregen --keyfile key-file --oldkey old-key-file --user user-
       name --machine machine-name [--passphrased] [--passphrase-mem maxmem]

DESCRIPTION
       tarsnap-keyregen generates a set of cryptographic keys which are com‐
       patible with an existing set of cryptographic keys, registers with the
       tarsnap server, and writes a key file for use with tarsnap-recrypt(1)
       and tarsnap(1).	The term Qq compatible here means that it is possible
       to re-encrypt archives stored with the first set of keys to be stored
       with the second set of keys.

       The --keyfile, --user, --machine, and --oldkey parameters are all
       required.

       If the --passphrased option is specified, the user will be prompted to
       enter 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.

			       January 23, 2011		   TARSNAP-KEYREGEN(1)
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