Plan 9 from Bell Labs’s /n/sources/plan9/sys/src/libsec/mips
--rw-rw-r-- glenda sys 7204 Mar 20 2001 md5block.s --rw-rw-r-- glenda sys 227 Sep 14 2002 mkfile --rw-rw-r-- glenda sys 4143 Mar 20 2001 sha1block.s