* \file cast5.h
* \author Daniel Otte
* \date 2006-07-26
* \license GPLv3 or later
* \brief Implementation of the CAST5 (aka CAST-128) cipher algorithm as described in RFC 2144
*
\typedef cast5_ctx_t
* \brief CAST-5 context
*
* A variable of this type may hold a keyschedule for the CAST-5 cipher.
* This context is regulary generated by the
* cast5_init(uint8_t* key, uint8_t keylength_b, cast5_ctx_t* s) function.