44p8*{8*8 8 x8 /7 wsҡ8 8 78 7 ws8 8 78 7  chksum_ctxchksum_desc_ctxcrc32c_mod_finicrc32c_mod_initcrc32c_cra_initchksum_digestchksum_finupchksum_finalchksum_updatechksum_setkeychksum_init