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encryption of file using AES and uploading into cloud.


anknegi

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If you want help, you'll have to be a lot more specific and show some effort. Nobody is going to write a step-by-step guide just for you. So what exactly is your problem? What have you tried?

 

AES in PHP is generally a bad choice. When you encrypt files, you should use authenticated encryption which provides both secrecy and integrity (plain encryption still allows an attacker to manipulate your files). AES has the “GCM” mode for that, but it's virtually nonexistent in PHP. A better choice would be ChaCha20-Poly1305 via the libsodium extension.

Edited by Jacques1
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