Merge pull request #164 from hjjg/bugfix-roundcubekeylength

reads from /dev/random need to use count= to actually get that many bytes or else reads might be shorter

setup/owncloud.sh

@@ -69,7 +69,7 @@ EOF
 	# Create an auto-configuration file to fill in database settings
 	# when the install script is run. Make an administrator account
 	# here or else the install can't finish.
-	adminpassword=$(dd if=/dev/random bs=40 count=1 2>/dev/null | sha1sum | fold -w 30 | head -n 1)
+	adminpassword=$(dd if=/dev/random bs=1 count=40 2>/dev/null | sha1sum | fold -w 30 | head -n 1)
 	cat - > /usr/local/lib/owncloud/config/autoconfig.php <<EOF;
 <?php
 \$AUTOCONFIG = array (

setup/webmail.sh

@@ -36,7 +36,7 @@ if [ ! -d /usr/local/lib/roundcubemail ]; then
 fi
 
 # Generate a safe 24-character secret key of safe characters.
-SECRET_KEY=$(dd if=/dev/random bs=20 count=1 2>/dev/null | base64 | fold -w 24 | head -n 1)
+SECRET_KEY=$(dd if=/dev/random bs=1 count=18 2>/dev/null | base64 | fold -w 24 | head -n 1)
 
 # Create a configuration file.
 #