libassuan-mingw-w64-dev 2.5.1-2 (amd64 binary) in ubuntu cosmic

 Libassuan is a small library implementing the so-called "Assuan
 protocol". This protocol is used for IPC between most newer GnuPG
 components. Both server and client side functions are provided.
 .
 This package contains header files and static libraries for libassuan.
 .
 This is a Windows version of libassuan. It's meant to be used when
 cross-building software that targets the Windows platform, e.g. the
 win32-loader component of Debian-Installer.