Struct lioness::Lioness

pub struct Lioness<H, SC>
where
    H: DigestLioness + Input + VariableOutput,
    SC: StreamCipherLioness + KeyStream,
{ /* private fields */ }

Lioness implemented generically over a Digest and StreamCipher

Implementations

impl<H, SC> Lioness<H, SC>

where H: DigestLioness + Input + VariableOutput, SC: StreamCipherLioness + KeyStream,

pub fn encrypt(&self, block: &mut [u8]) -> Result<(), LionessError>

encrypt a block

Arguments

• block - a mutable byte slice of data to encrypt

Errors

• LionessError::BlockSizeError - returned if block size is too small

Example

extern crate blake2;
extern crate chacha;
extern crate lioness;
extern crate hex;
use self::lioness::{Lioness, RAW_KEY_SIZE};
use chacha::ChaCha;
use blake2::VarBlake2b;

let key = hex::decode(
    "e98e0e3f28311995e8448e6dc1de73159e800c8184a7846418347f4490f063e372\
     6eebda84e02f2cc218bd6c6e9a9b801e8d8899e8f5b6dcd23bf7ca7f11641c584cd9568f045e9\
     ad92c59275f67b9bed7f02bb23e28c0b8e56fbb634d60a6d1eae7145e53a4442dda40ae37b2e2\
     e1f97ae495c8ce0166605d4f1ea91f139159229f208c69362095d8d8e00d7b4c9ca5603dc8b87\
     50b0eb500670858ca7983a8760be307ff3e5c05f22799cb60d7c57fe3fc8b980aa65e89e3ac0a\
     c147af7deb").unwrap();

const PLAINTEXT: &'static [u8] = b"Open, secure and reliable
connectivity is necessary (although not sufficient) to
excercise the human rights such as freedom of expression and
freedom of association [FOC], as defined in the Universal
Declaration of Human Rights [UDHR]. The purpose of the
Internet to be a global network of networks that provides
unfettered connectivity to all users and for any content
[RFC1958]. This objective of stimulating global connectivity
contributes to the Internet's role as an enabler of human
rights.";

let mut block: Vec<u8> = PLAINTEXT.to_owned();
let cipher = Lioness::<VarBlake2b,ChaCha>::new_raw(array_ref!(key, 0, RAW_KEY_SIZE));
cipher.encrypt(&mut block).unwrap();
}

pub fn decrypt(&self, block: &mut [u8]) -> Result<(), LionessError>

decrypt a block

Arguments

• block - a mutable byte slice of data to decrypt

Errors

• LionessError::BlockSizeError - returned if block size is too small

pub fn new_raw(key: &[u8; 192]) -> Lioness<H, SC>

Given a key, create a new Lioness cipher