Krafton has invested millions of dollars into security. They employ cryptographers and anti-cheat engineers specifically to ensure that you cannot find that key. The few times a static key leaked publicly (e.g., early 2018 build), it was patched within 48 hours.
Note: Keys often change with major game updates (e.g., Season transitions or significant engine patches). If this key fails, it typically means a new patch has been released. How to Use the Key pubg aes key full
The Advanced Encryption Standard (AES) is a symmetric encryption algorithm used to protect data. It works by using the same key for both encryption and decryption processes. An AES key is essentially a series of bytes that are used to encrypt and decrypt data. Krafton has invested millions of dollars into security