crypt.decrypt

crypt.decrypt(data: string, key: string, iv: string, mode?: "CBC" | "ECB" | "AES-CBC" | "AES-ECB"): string

local key = crypt.generatekey()
local ciphertext, iv = crypt.encrypt("hello world", key)

local plaintext = crypt.decrypt(ciphertext, key, iv)

print(plaintext)