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| #!/bin/sh | |
| declare SALT # One time pad | |
| if [ "${1+x}" = x ]; then | |
| SALT="$1" | |
| else | |
| # 64byte = 512bit | |
| SALT="$(head -c64 /dev/random)" | |
| fi | |
| ( IFS=; stty -echo; read -r line; printf '%s' "$line" "$SALT" | |
| ) 2>/dev/null | | |
| sha512sum | awk '{print $1}' | xxd -r -p | | |
| base91 -w0 | |
| echo |
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