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wanted a one time pad generator.
#!/bin/bash
# neil c timms 2021-04-04
#
# requires passchars.txt
# no input
# outputs a block of a..z 0..9 in 3 rows
# interleaved with 3 rows of shuf randomish chars, digits, symbols
# a one time pad type thing
#
rand_chars () {
shuf -n9 passchars.txt | tr "\n" " "; echo
}
echo {a..i}
rand_chars
echo {j..r}
rand_chars
echo {s..z} 0
rand_chars
echo {1..9}
rand_chars
# and that is all
output something like this:
a b c d e f g h i
? E s g # F . m 5
j k l m n o p q r
9 @ \ i 2 N 0 S t
s t u v w x y z 0
K D & l " s P * '
1 2 3 4 5 6 7 8 9
W 6 z s { K x Z ?
only an example one time pad - do not use for real. this is not a dynamic page!
passchars.txt made with:
printf '%b\n' {0..9} '\'{40..57} '\'{72..77} '\100' '\'{133..137} '\'{173..176} {a..z} {A..Z} | \
sort -u | awk 'length == 1' > passchars.txt
the awk is there to strip out some escape crap that i was too dumb to not collect in the first place.
used on this diceware type page:
---
---
neil.gemini@mingmengtou.org
content licensed CC-BY-SA 4.0 unless stated.
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