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Encrypt And Decrypt Data In A Golang Application With The Crypto Packages

Being able to encrypt and decrypt data within an application is very useful for a lot of circumstances. Let’s not confuse encryption and decryption with hashing like that found in a bcrypt library, where a hash is only meant to transform data in one direction.

Not too long ago I wrote about in a previous article how to encrypt and decrypt data using Node.js. This was partially inspired by me learning how to build software wallets for cryptocurrencies and encrypting the sensitive information. However, what if we wanted to use Go instead of Node.js?

We’re going to take a look at encrypting data and then decrypting it within a Go application by using the already available crypto packages.

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Build A Password Manager For iOS And Android Using NativeScript

There are many password managers on the market right now for Android and iOS. I personally use a mobile application called 1Password, but what if you’re the type of person who doesn’t trust these companies with your sensitive passwords? The solution to this would be to build your own password management application, one where you know the algorithms and the logic. I mean, what if the available password managers are using DES encryption when they should be using AES? Best thing to do would be to do the job yourself.

We’re going to see how to develop a password manager for iOS and Android using the NativeScript framework by Progress Software. The application that we build will be completely functional, have a polished UI, and use all the best practices for cipher text and mobile development.

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