pub fn flip_last_byte(ctxt: &mut HpkeCiphertext) {
    let mut last_bits = ctxt.ciphertext.pop().unwrap();
    last_bits ^= 0xff;
    ctxt.ciphertext.push(last_bits);
}
/// This function flips the last byte of the ciphertext.
This function flips the last byte of the ciphertext.
This function flips the last byte of the ciphertext .
pub fn flip_last_byte(ctxt: &mut HpkeCiphertext) {
    let mut last_bits = ctxt.ciphertext.pop().unwrap();
    last_bits ^= 0xff;
    ctxt.ciphertext.push(last_bits);
}
pub fn flip_last_byte ( ctxt : & mut HpkeCiphertext ) { let mut last_bits = ctxt . ciphertext . pop ( ) . unwrap ( ) ; last_bits ^= 0xff ; ctxt . ciphertext . push ( last_bits ) ; }
This function flips the last byte of the ciphertext.
This function flips the last byte of the ciphertext .
ctxt
&mut HpkeCiphertext
ctxt
&mut HpkeCiphertext