libksba-dev 1.3.3-1ubuntu0.16.04.1 (s390x binary) in ubuntu xenial

 KSBA (pronounced Kasbah) is a library to make X.509 certificates as
 well as the CMS easily accessible by other applications. Both
 specifications are building blocks of S/MIME and TLS.
 .
 KSBA provides these subsystems: ASN.1 Parser, BER Decoder, BER
 Encoder, Certificate Handling and CMS Handling.
 .
 This package contains the development library files.