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GPG AES-256 File Encryption

Description​

The encrypt_file_gpg_aes256 function encrypts a file using GPG with AES-256 encryption, supporting both Windows and Linux platforms. This is useful for securely encrypting sensitive files using a passphrase.

Function Signature:​

def encrypt_file_gpg_aes256(input_file_path: str, password: str) -> str:

Parameters​

  • input_file_path (str): Full path to the file that you want to encrypt.
  • password (str): The password used for encryption.

Returns​

  • str: The full path to the encrypted file with the .gpg extension.

Example Usage​

encrypted_file = encrypt_file_gpg_aes256("/path/to/file.txt", "your_password")
print(f"Encrypted file saved to: {encrypted_file}")

Notes​

  • The encryption uses AES-256 encryption algorithm with GPG.
  • The .gpg extension will be added to the encrypted file.
  • The function raises an error if the input file is not found or if the encryption fails.

Error Handling​

  • FileNotFoundError: Raised if the input file does not exist.
  • RuntimeError: Raised if the encryption fails or if the encrypted file is not created.