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pash: generate password using /dev/urandom, dd and tr

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Dylan Araps 2019-11-29 20:50:25 +00:00
parent 9e25f36ee0
commit aa14500a5d
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GPG Key ID: 46D62DD9F1DE636E
1 changed files with 2 additions and 14 deletions
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@ -6,20 +6,8 @@ pw_add() {
name=$1 name=$1
if yn "Generate a password?"; then if yn "Generate a password?"; then
# Use 'gpg' to generate the password. This could have pass=$(tr -dc "${PASH_PATTERN:-_A-Z-a-z-0-9}" </dev/urandom |
# been 'openssl', '/dev/[u]random' or another utility, dd ibs=1 obs=1 count="${PASH_LENGTH:-50}" 2>/dev/null)
# however sticking to 'gpg' removes the need for another
# dependency.
#
# The '-a' flag outputs the random bytes as a 'base64'
# encoded string to allow for the password to be used as
# well, a password.
#
# The 'cut' is required to actually truncate the password
# to the set length as the 'base64' encoding makes the
# resulting string longer than the given length.
pass=$("$gpg" -a --gen-random 1 "${PASH_LENGTH:-50}" |\
cut -c -"${PASH_LENGTH:-50}")
else else
printf 'Enter password: ' printf 'Enter password: '