How to Safeguard Your App Data Using Firebase Encryption

Did you realize that by 2021, crime would have caused $6 trillion in damage?

Firebase Encryption

Protecting app data using Firebase Encryption is crucial, but first we must understand what encryption is.

What is Encryption?

Encryption is a method of safeguarding your information against malevolent hackers, spies, and cyber thieves.

Encryption, on the other hand, is a mathematical algorithm that scrambles data into a complex ciphertext that can only be decrypted by the intended recipient.

Still didn’t get it?

Encryption changes readable plain text into random text that no one, even computers, can understand—exceptions exist.

But What is Firebase Encryption?

Firebase Encryption is a method of securing your app data from hackers using Firebase, a Google product.

Simple: inside the Firebase database, you may encrypt your user data.

Have you heard that HTTPS is a defense against all hacker attempts?

No, you're mistaken.

Furthermore, the Firebase Rest server sends your data to the backend database, which has complete control over it.

Even when data is written to disc, it is in an encrypted format, and Google has access to the encryption key. The content is also visible to the app's administrator.

What is the Most Serious Issue?

As you may be aware, Firebase is capable of providing security, but it is not exceptional. You may have heard that even the greatest apps get hacked, and that firms must spend millions to remain anonymous.

Furthermore, user trust is jeopardized, necessitating full protection, which Firebase cannot supply.

As you may be aware, WhatsApp uses end-to-end encryption, which means that data cannot be viewed by ISPs, other parties, or even app owners. Isn't it fascinating?

In this essay, I'll go over some of the circumstances where client-side encryption can be used.

You can think about the last one for my greatest advice.

AES encryption and description is simple with the use of symmetric keys (keys that may encrypt or decrypt both sides of data) and other current libraries.

The biggest difficulty is that we need to find a secure location to store these keys.

5 Ways Safeguard Your App Data Using Firebase Encryption

1. Store Key in Your Own Server

You can use the keys to decrypt the data if you stored them on your own server.

However, the main issue is that it provides no security.

Hackers can hack your server and can also decode your data that’s why it is highly not recommended.

2. Password Encryption Key

You can either store keys on the server and ask the user to encrypt the keys with a good strong password.

But that scenario isn't ideal because it necessitates work on the server's part, and it's hard to recover a password if the user forgets it.

3. Store Key on User Own Devices

This method is very similar to end-to-end encryption in that the key can be stored on the user's device and is not accessible through the app servers.

The disadvantage of this scenario is that you won't be able to access the key, and the data won't be accessible from other devices.

This isn't a bad strategy in some situations, but it's not what I'm looking for.

4. Use Google KMS for Key Encryption

Google KMS is a cloud-based key management solution that allows you to manage cryptographic keys for your cloud services in the same manner you manage them on-premises.

Andy Gears has given a popular option that is currently accessible on the market.

The key is encrypted with other data saved in Google KMS in this situation (Key Management Service).

The user's key encrypts the data, and the key is then encrypted by the Google KMS Key, which is saved in the database.

In the future, I'd like to design a system.

NOTE: The KMS key is linked to a different Google account than the Firebase database, ensuring that no one can read or decrypt data.

Assume that if a hacker wants access to the data, he or she must breach both accounts.

5. Hide the key in the Google Account of the User. (Subject to user approval)

When a user logs in, we request the user's personal encryption key via OAuth (open authorization is an open-source AUTH framework for token authentication).

If you can't find one of the user's Google accounts, you can create one.

The key remains in the user's possession indefinitely, but they never have to interact with it directly.

If a hacker wants to obtain the key, he must first gain access to the user's Google account, after which the hacker will be able to view the data in the programmed.

Basically, Google Drive provides us with an API that allows us to create a particular application data folder (which requires user permission), and the content of this folder is hidden from users and accessible only through the app's credentials.

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