Struct SaveEncryption 

pub struct SaveEncryption;

XOR-cipher with key derived from the user ID.

NOT cryptographically secure — this is a structural demonstration only.

Implementations

impl SaveEncryption

pub fn encrypt(data: &[u8], user_id: &str) -> Vec<u8>

Encrypt data using a key derived from user_id.

pub fn decrypt(data: &[u8], user_id: &str) -> Result<Vec<u8>, String>

Decrypt data using a key derived from user_id.