20 chars

src/freedombone-app-irc

 
     stop_irc_bouncer
 
-    ZNC_SALT="$(dd if=/dev/urandom bs=16c count=1 | md5sum | awk -F ' ' '{print $1}')"
+    ZNC_SALT="$(dd if=/dev/urandom bs=16c count=1 | md5sum | awk -F ' ' '{print $1}' | cut -c1-20)"
     new_user_hash=$(echo "${new_user_password}${ZNC_SALT}" | sha256sum | awk -F ' ' '{print $1}')
 
     echo "<User ${new_username}>" >> /home/znc/.znc/configs/znc.conf