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#!/bin/sh
. /lib/partman/lib/crypto-base.sh
dev=$2
id=$3
part=$dev/$id
cd $dev
select_cipher () {
type=$1
ciphers=""
for cipher_dir in /lib/partman/ciphers/$type/*; do
name=${cipher_dir##*/}
if [ ! -d $cipher_dir ]; then
continue
fi
# Load required kernel modules
if ! crypto_load_modules "$type" "$name"; then
continue
fi
desc=$(cat $cipher_dir/desc)
if [ "$ciphers" ]; then
ciphers="$ciphers, $name"
else
ciphers="$name"
fi
done
template="partman-crypto/cipher"
db_subst $template CHOICES $ciphers
db_input critical $template || true
db_go || return
db_get $template
if [ "$RET" = none ]; then
rm -f $part/cipher
return
fi
echo ${RET%% *} > $part/cipher
}
[ -f $part/method ] || exit 0
[ -f $part/crypto_type ] || exit 0
method=$(cat $part/method)
type=$(cat $part/crypto_type)
if [ $method = crypto ]; then
select_cipher $type
fi
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