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from cryptography.fernet import Fernet
vault_file = 'vault.sqlite'
def generate_key() -> bytes:
new_key = Fernet.generate_key()
return new_key
def load_key(key_file: str) -> bytes:
return open(key_file, 'rb').read()
def encrypt(key, filename=vault_file) -> None:
f = Fernet(key)
with open(filename, 'rb') as file:
file_data = file.read()
encrypted_data = f.encrypt(file_data)
with open(filename, 'wb') as file:
file.write(encrypted_data)
def decrypt(key, filename=vault_file) -> None:
f = Fernet(key)
with open(filename, 'rb') as file:
encrypted_data = file.read()
decrypted_data = f.decrypt(encrypted_data)
with open(filename, 'wb') as file:
file.write(decrypted_data)
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