Complex sentence: The algorithm was created in 1996 by Carlisle Adams and Stafford Tavares using the CAST design procedure; another member of the CAST family of ciphers, CAST-256 (a former AES candidate) was derived from CAST-128.
Split into simpler sentences: The algorithm was created in 1996 by Carlisle Adams and Stafford Tavares using the CAST design procedure. Another member of the CAST family of ciphers, CAST-256 (a former AES candidate) was derived from CAST-128.