Crypting, decrypting, of saved, loaded data in Godot engine 4

Crypting, decrypting, of saved, loaded data in Godot engine 4

extends Node2D func _ready() - > void:

Table of Contents
1. var crypto = Crypto.new()
2. var key = crypto.generate_rsa(4096)
3. var cert = crypto.generate_self_signed_certificate(key, "CN=mydomain.com,O=My Game Company,C=IT")
4. key.save("user://generated.key")
5. cert.save("user://generated.crt")
6. var data = "Some data encoded saved and decoded.."
7. var encrypted = crypto.encrypt(key, data.to_utf8_buffer())
8. save_to_file(str(encrypted))
9. var enc=str_to_var(load_from_file())
10. var dec = crypto.decrypt(key, enc)
11. print(dec.get_string_from_utf8())
12. var decrypted = crypto.decrypt(key, encrypted)
13. print(decrypted.get_string_from_utf8())
14. var signature = crypto.sign(HashingContext.HASH_SHA256, data.sha256_buffer(), key)
15. var verified = crypto.verify(HashingContext.HASH_SHA256, data.sha256_buffer(), signature, key)
16. print(verified)
17. print(data.to_utf8_buffer() == decrypted) func save_to_file(content):
18. var file = FileAccess.open("user://save_game.dat", FileAccess.WRITE)
19. file.store_string(content) func load_from_file():
20. var file = FileAccess.open("user://save_game.dat", FileAccess.READ)
21. var content = file.get_as_text()
22. return content

Author: AarNoma

The first Slovak cyborg 1 system

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