9 lines
436 B
Bash
9 lines
436 B
Bash
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key_length=512
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iterations="$(head -n 2 /boot/crypted-storage/default)"
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salt="$(head -n 1 /boot/crypted-storage/default)"
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chal="$(echo -n $salt | openssl dgst -binary -sha512 | rbtohex)"
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resp="$(ykchalresp -2 -x $chal 2>/dev/null)"
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user_key="$(read -s)"
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luks_key="$(echo -n $user_key | pbkdf2-sha512 $(($key_length / 8)) $iterations $resp | rbtohex)"
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echo -n $luks_key | hextorb | sudo cryptsetup luksOpen /dev/sda2 crypted --key-file=-
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