Scripts: Add steghide hide and extract.

scripts/Steghide Extract

@@ -0,0 +1,10 @@
+#! /bin/sh
+
+for file in $@
+do
+    password=$(zenity --password --title "Decrypt data password in $file")
+
+    steghide extract \
+             --passphrase "$password" \
+             -sf "$file"
+done

scripts/Steghide Hide

@@ -0,0 +1,15 @@
+#! /bin/sh
+
+password=$(zenity --password --title "Encrypt data password")
+
+image=$(zenity --file-selection --title="Select an image")
+file=$(basename $image)
+
+cp $image ./$file
+
+steghide embed \
+         --encryption twofish \
+         --compress 9 \
+         -cf $file \
+         -ef $1 \
+         --passphrase "$password"