+@anchor{Release 4.2.0}
+@item 4.2.0
+ @itemize
+ @item @code{PRF_IPSEC_PRFPLUS_GOSTR3411_2012_@{256,512@}} implementation
+ @item Generic @code{prf+} function (taken from IKEv2
+ (@url{https://tools.ietf.org/html/rfc5831.html, RFC 7296}))
+ @end itemize
+