//! CAST5 and CAST6 single-block ciphers.
//!
//! CAST5 accepts 5- to 16-byte keys and has an 8-byte block. CAST6 accepts
//! 16-, 20-, 24-, 28- and 32-byte keys and has a 16-byte block.
//! Import `tc_block_cipher::{BlockCipher, BlockCipherInit}` to use the engines.
pub use Cast5Engine;
pub use Cast6Engine;