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- #!/bin/sh
- decrypt_gpg () {
- echo "Performing GPG symmetric decryption ..." >&2
- if ! /lib/cryptsetup/askpass "Enter passphrase for key $1: " | \
- /usr/bin/gpg -q --batch --no-options \
- --no-random-seed-file --no-default-keyring \
- --keyring /dev/null --secret-keyring /dev/null \
- --trustdb-name /dev/null --passphrase-fd 0 --decrypt -- "$1"; then
- return 1
- fi
- return 0
- }
- if [ ! -x /usr/bin/gpg ]; then
- echo "$0: /usr/bin/gpg is not available" >&2
- exit 1
- fi
- if [ -z "$1" ]; then
- echo "$0: missing key as argument" >&2
- exit 1
- fi
- decrypt_gpg "$1"
- exit $?
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