Collaborate Disseminate
I want to create cloud storage platform that users can uploads any kind of files and download them.But I want to be sure that when user upload dangerous file it will not affect my server and they are not executeble(I can give… Continue reading store all kinds of files in the zip using PHP?
Let’s say we have half of a TrueCrypt file container (e.g. download was interrupted). If we know the password, is it possible to open it and get half of the data? The original container has 10 files, so is it possible (in the… Continue reading Is it possible to decrypt half of a TrueCrypt file container if the other half of the data is missing?
I regularly connect to public wireless APs scattered around the city, offered by my carrier. I remember reading an article that a determined owner can track you between APs and thus know your location and routine. Now I found… Continue reading Does MAC spoofing prevent identification?
I’m working on improving a CMS where the current implementation of storing password is just sha1(password). I explained to my boss that doing it that way is incredibly insecure, and told him that we should switch to bcrypt, and he agreed.
… Continue reading Is using bcrypt on existing SHA1 hashes good enough when switching password implementation?
I recently generated a new SSH key in the ed25519 format.
The public key is only 69 bytes long while my old RSA key is 373 bytes.
From my perception ed25519 is the more recent and secure format.
So why isn’t longer better h… Continue reading Is it bad that my ed25519 key is so short compared to a RSA key?
Background
I’m trying to design a secure and sustainable web app for messaging.
The purpose is to learn how to create secure web application.
The application is suppose to be written in Javascript for web based clients and PHP for server… Continue reading Asymmetric / end to end encryption for web messaging app
I don’t know if this is some injection attempt or a weird bot or what ever. An IP opened several pages within my Drupal 7 website with the appendix
http://domain.com/some/url/$tags.get(%22pixelLink%22)
I didn’t find anything on Google. Wh… Continue reading Should I be concerned about the following URLs that were tried to open on my webpage?
I am trying to run a ncrack command of the following format:
ncrack -P filePath1 filePath2 –user user1, user2, user3 ipAddress:port
and I get the following error;
Does anybody know why I’m getting this error and how to fix it?
Some password systems will enforce at least X of a type of character – a common one I see is ‘minimum 3 numeric characters’. As far as I understand, simply allowing certain character classes, like numerics, greatly increases … Continue reading Does having a minimum number of digits improve password security?