Questions tagged [encryption]

For questions about encryption and decryption of data, which is the process of encoding data in such a way that adversaries cannot read or tamper with it. Technical questions about encryption (e.g. how does algorithm X work?) are off-topic but might be in scope for our sister sites about Information Security and/or Cryptography.

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Windows Phone 8.1 & above - is there some equivalent for Apple's keychain

I want to store store some app specific secret on the phone - this should be available only for the app & no other app. I was looking at DPAPI - however, if the user does not have a logon ...
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RSA Private key renewal - How often?

Let's say I am using a RSA keypair to encrypt and decrypt a large amount of traffic over a public network. Assume all traffic is padded and the key is 2048 bits, how often would you recommend renewing ...
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How should I handle private key in decryption worker?

I own the development of a Sidekiq worker that decrypts thousands of gpg encrypted CSVs and loads them into the database. While not necessary, I'm using a gem to interact with the gpg/GnuPG binary. ...
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How can i implement two way asymmetric encryption for my app and backend server?

I'm planning to setup a hybrid encryption procedure in my app. So basically i did encryption for data send from client to server using this method, now i'm confused on how to encrypt data send from ...
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Pattern to encrypt / decrypt data to / from a server without entering the secret key each time?

The title maybe it's a little bit confusing but I am certain that what I want to achieve is a common pattern, even if I didn't found anything on internet. I'm developing a web app that store ...
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Client application and secure data exchange without ssl/tls

I have my own home server and port 80/443 is blocked from my ISP provider. I want to create a Qt gui application that saves my data on my server using REST (using port 8080 or something) using nginx/...
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385 views

Secure communication between a mobile app and a microcontroller

I have a MCU-based design that essentially controls other hardware and this MCU is controlled through an app. I was hoping someone could help me figure out how to secure this communication between the ...
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655 views

ASP.NET - Data Encryption & Decryption framework designs

I have the following app scenario where i would need to implement the cell-level encryption. Database - MS SQL Server Web Technology - ASP.net MVC Existing app scenario:- Currently the web ...
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60 views

Protecting research source from spyware/data mining

My question is simple: What steps should you take to protect research from the vast amount of spyware or insecure applications on a given device? Background: I do research into developing new models ...