Encrypting php file

Here we discuss an introduction to PHP Encryption, top 3 types of encryption with examples in detail. You can also go through our other related articles to learn more —. Submit Next Question.

By signing up, you agree to our Terms of Use and Privacy Policy. Forgot Password? This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy.

By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy. Popular Course in this category. Course Price View Course.

Free Software Development Course. Why reinvent the wheel? Why not use an already existing solution? It would be great but I can't find a solution for this. Do you have any idea of one? Why encrypt in chunks? You don't need to provide the full file in one call to encrypt it as one file. But if I use mcrypt with the whole content of a big file, server run out of memory.

That's why I encrypt it in chunks of bytes. But as I say in question 1, I can do it as one file, carrying the iv from one chunk to another.

It is really the hmac part where I have trouble to do it as one file. Add a comment. Active Oldest Votes. Improve this answer. I had almost identical problem. Here's the solution I found out. ECB mode? Very dangerous. No one should use this code as is. Here's the reason why you don't want to use ECB mode: crypto. Sign up or log in Sign up using Google.

Sign up using Facebook. Sign up using Email and Password. But decrypted file — Flo. Don't use the outdated CodeIgniter 2 encrypt library any more, use CodeIgniter 3's Encryption library instead. Encrypt was brittle, Encryption is secure. Add a comment. Active Oldest Votes. Improve this answer. Scott Arciszewski Scott Arciszewski Could you explain a bit on the key parameter and what values it takes? And when decrypting you need the same key correct? Sign up or log in Sign up using Google.

Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Helping communities build their own LTE networks.