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-rwxr-xr-xcli/gpg-aes256.sh17
1 files changed, 13 insertions, 4 deletions
diff --git a/cli/gpg-aes256.sh b/cli/gpg-aes256.sh
index 9ce610b..988a85a 100755
--- a/cli/gpg-aes256.sh
+++ b/cli/gpg-aes256.sh
@@ -1,9 +1,8 @@
#!/bin/sh
#
-# Encrypt the given file using symmetric AES256 algorithm.
+# Copyright (c) 2015,2018 Aaron LI
#
-# Aaron LI
-# 2015-01-24
+# Encrypt a file using GPG with symmetric AES256 algorithm.
#
case "$1" in
@@ -13,7 +12,17 @@ case "$1" in
;;
esac
+if which gpg2 >/dev/null 2>&1; then
+ GPG=gpg2
+elif which gpg >/dev/null 2>&1; then
+ GPG=gpg
+else
+ echo "ERROR: cannot find gpg/gpg2!"
+ exit 2
+fi
+
infile="$1"
outfile="${infile}.gpg"
-gpg2 --symmetric --cipher-algo aes256 -o "${outfile}" "${infile}"
+${GPG} --symmetric --cipher-algo aes256 -o "${outfile}" "${infile}"
chmod 0600 "${outfile}"
+echo "Encrypted file saved to: ${outfile}"