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May 27, 2016 13:18
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| #!/bin/sh | |
| which openssl > /dev/null || exit 1 | |
| which pv > /dev/null || exit 1 | |
| which sudo > /dev/null || exit 1 | |
| test -n "$1" || exit 2 | |
| disk="$1" | |
| test -b "/dev/$disk" || exit 2 | |
| size=$(awk "\$4==\"$disk\"{print \$3}" /proc/partitions) || exit 3 | |
| size=$(($size*1024)) | |
| nice openssl enc -aes-256-ctr -pass pass:"$(dd if=/dev/urandom bs=128 count=1 2> /dev/null | base64)" -nosalt < /dev/zero | pv --progress --eta --rate --bytes --size "$size" | sudo dd of="/dev/$disk" bs=4096 || exit 4 |
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!/bin/sh
which openssl > /dev/null || exit 1
which pv > /dev/null || exit 1
which sudo > /dev/null || exit 1
test -n "$1" || exit 2
disk="$1"
test -b "/dev/$disk" || exit 2
size=$(awk "$4=="$disk"{print $3}" /proc/partitions) || exit 3
size=$(($size*1024))
{
while true; do
#1 GiB
dd if=/dev/zero bs=512 count=2076672 2> /dev/null | nice openssl enc -aes-256-ctr -pass pass:"$(dd if=/dev/urandom bs=128 count=1 2> /dev/null | base64)" -nosalt
done
} | pv --progress --eta --rate --bytes --size "$size" | sudo dd of="/dev/$disk" bs=4096 2> /dev/null || exit 4