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zotp-bash/demo-makeotp.sh
2026-06-06 21:36:42 +02:00

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#!/bin/bash
## zOTP Bash Demo for making a 6 digit OTP using Blake2 and being valid for 10 minutes
## Usage:
## ./demo-makeotp.sh "{string-unique-to-user}"
declare thesalt="zOTP by Ze'ev Schurmann"
source zotp.inc.sh
if [[ -z "${1}" ]]; then
echo "Usage:" >&2
echo " $0 \"{string-unique-to-user}\"" >&2
exit 1
fi
declare theseed="${1}"
variablename="$(newOTP b2)"
echo "OTP is ${variablename} it will expire at $(date -d "+10 minutes")"