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dotfiles/zshrc: new genpass alias

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Alan Orth 2022-08-31 16:59:58 +03:00
parent 936385d111
commit a1eb0994fd
Signed by: alanorth
GPG Key ID: 0FB860CC9C45B1B9
1 changed files with 11 additions and 3 deletions
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dotfiles/zshrc
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@ -85,10 +85,18 @@ jpegoptimize() {
gm mogrify -filter Triangle -define filter:support=2 -unsharp 2x0.5+0.7+0 -dither -quality $QUALITY -define jpeg:fancy-upsampling=off -interlace Line -strip -output-directory $2 $1 gm mogrify -filter Triangle -define filter:support=2 -unsharp 2x0.5+0.7+0 -dither -quality $QUALITY -define jpeg:fancy-upsampling=off -interlace Line -strip -output-directory $2 $1
} }
# generate random password 15 characters long # Generate a random hex password 20 characters long. The input from /dev/urandom
# See: https://unix.stackexchange.com/questions/230673/how-to-generate-a-random-string # does not need to be any particular length due to SHA-2 256's design (for exam-
# ple, the "avalanche" effect and the input padding), so I just read 1 byte with
# dd. Some sites (see below) recommend using a minimum of 20 characters for hex
# passwords.
#
# See: https://www.ssh.com/academy/ssh/passphrase-generator
genpass() { genpass() {
</dev/urandom tr -dc 'A-Za-z0-9!"#$%&'\''()*+,-./:;<=>?@[\]^_`{|}~' | head -c 15 ; echo dd if=/dev/urandom bs=1 count=1 2>/dev/null | \
sha256sum -b | \
sed 's/ .*//' | \
head -c 20; echo
} }
# set GPG TTY for pinentry-curses # set GPG TTY for pinentry-curses