pub trait CASAES256Encryption {
fn generate_key() -> Vec<u8>;
fn encrypt_plaintext(aes_key: Vec<u8>, nonce: Vec<u8>, plaintext: Vec<u8>) -> Vec<u8>;
fn decrypt_ciphertext(aes_key: Vec<u8>, nonce: Vec<u8>, ciphertext: Vec<u8>) -> Vec<u8>;
fn key_from_x25519_shared_secret(shared_secret: Vec<u8>) -> Vec<u8>;
fn generate_nonce() -> Vec<u8>;
fn key_from_vec(key_slice: Vec<u8>) -> Vec<u8>;
}
pub trait CASAES128Encryption {
fn generate_key() -> Vec<u8>;
fn encrypt_plaintext(aes_key: Vec<u8>, nonce: Vec<u8>, plaintext: Vec<u8>) -> Vec<u8>;
fn decrypt_ciphertext(aes_key: Vec<u8>, nonce: Vec<u8>, ciphertext: Vec<u8>) -> Vec<u8>;
fn key_from_x25519_shared_secret(shared_secret: Vec<u8>) -> Vec<u8>;
fn generate_nonce() -> Vec<u8>;
fn key_from_vec(key_slice: Vec<u8>) -> Vec<u8>;
}
pub trait Chacha20Poly1305Encryption {
fn generate_key() -> Vec<u8>;
fn encrypt_plaintext(aes_key: Vec<u8>, nonce: Vec<u8>, plaintext: Vec<u8>) -> Vec<u8>;
fn decrypt_ciphertext(aes_key: Vec<u8>, nonce: Vec<u8>, ciphertext: Vec<u8>) -> Vec<u8>;
fn generate_nonce() -> Vec<u8>;
}