pub trait CryptoStream {
// Required methods
fn apply_keystream_byte(&mut self, b: u8) -> u8;
fn apply_keystream(&mut self, slice: &[u8]) -> &[u8] ⓘ;
}pub trait CryptoStream {
// Required methods
fn apply_keystream_byte(&mut self, b: u8) -> u8;
fn apply_keystream(&mut self, slice: &[u8]) -> &[u8] ⓘ;
}