libcrypt-cast5-perl 0.05-2 (i386 binary) in ubuntu bionic

 Crypt::CAST5 provides an implementation of the CAST5 block cipher using
 compiled C code for increased speed. CAST5 is also known as CAST-128. It is a
 product of the CAST design procedure developed by C. Adams and S. Tavares.
 The CAST5 cipher is available royalty-free.