Common cryptographic operations in Swift with CryptoKit
What is CryptoKit?
Apple’s CryptoKit is a new (as of summer ’19) library available from iOS 13 and onwards that performs cryptographic operations securely and efficiently. Its features include:
- A (nice) Swift API.
- Access to cryptographic functions.
- Ease of use for easy to misuse functions.
- An improvement over legacy systems.
Existing cryptography solutions on iOS
There are two popular, trusted and open-source solutions. The first one is OpenSSL (official) which is an open-source C based library that you can statically link to your app at the cost of increasing its size though. …