libwolfssl0 binary package in Ubuntu Xenial s390x

 WolfSSL is a small, portable, embedded SSL programming library
 targeted for use by embedded systems developers. It was formerly
 known as the CyaSSL (Yet Another SLL) library.
 .
 It is an open source implementation of SSL (SSL 3, TLS 1.0, 1.1,
 1.2, and DTLS 1.0 and 1.2) built in the C language. It includes SSL
 client libraries and an SSL server implementation as well as support
 for multiple API's, including those defined by SSL and TLS.
 .
 WolfSSL also includes an OpenSSL compatibility interface with the
 most commonly used OpenSSL functions.

Source package