Zkne Extension Versions 1.0.0 State ratified Ratification date == Synopsis Instructions for accelerating the encryption and key-schedule functions of the AES block cipher. Instructions The following instructions are defined by this extension: aes32esi No synopsis available. aes32esmi No synopsis available. aes64es No synopsis available. aes64esm No synopsis available. aes64ks1i No synopsis available. aes64ks2 No synopsis available.