In view of today's news (http://shattered.io/):
Index: md5.1 =================================================================== RCS file: /var/cvs/src/bin/md5/md5.1,v retrieving revision 1.46 diff -u -p -r1.46 md5.1 --- md5.1 20 Sep 2016 12:14:42 -0000 1.46 +++ md5.1 23 Feb 2017 15:29:55 -0000 @@ -61,7 +61,7 @@ or to produce any message having a given The algorithm (MD5, SHA-1, SHA-256, SHA-512) is determined by the name used to invoke the utility. .Pp -Collisions have now been produced for MD5, and are theorized for SHA-1, +Collisions have now been produced for MD5 and SHA-1, so their use is deprecated. .Pp The options for use with each command are as follows:
