Encryption

Frequently asked questions about encryption.

What's the difference between encryption and encoding?

What's the difference between symmetric and asymmetric encryption?

What is end-to-end encryption (E2EE)?

What's the purpose of an Initialization Vector (IV)?

What happens if an encryption key is lost?

Can I reuse the same key and IV combination?

Is encryption bulletproof?

Hashing

Frequently asked questions about hashing.

Can I use encryption as a password protection method?

What is a cryptographic hash function?

What is the difference between encryption and hashing?

Encoding

Frequently asked questions about encoding.

Is Base64 secure?

Can Base64 increase file size?

What's the difference between ASCII and UTF-8?

What's the difference between encoding and serialization?

Is it safe to store Base64 in a database?

General Security

Frequently asked questions about general security.

What's the difference between HTTPS and HTTP?

What is a digital signature?

How can I tell if a website is secure?

What's the risk of storing encrypted data in the browser (localStorage)?

What is a VPN and how does it protect me?

Threats & Attacks

Frequently asked questions about threats and attacks.

What is a brute-force attack?

What is a man-in-the-middle (MITM) attack?