Zvknhb Extension Versions 1.0.0 State ratified Ratification date 2023-09 Synopsis Instructions for accelerating 256-bit/512-bit SHA-2 as defined in FIPS PUB 180-4 Secure Hash Standard (SHS) Instructions The following instructions are affected by this extension: vsha2ch.vv No synopsis available vsha2cl.vv No synopsis available vsha2ms.vv No synopsis available