Mention collision attacks on MD5. From the md5(3) man page.

PR:		docs/14158
Reviewed by:	kris
Submitted by:	Eric Frias <efrias@sg505.net>
This commit is contained in:
Murray Stokely 2001-09-04 01:01:07 +00:00
parent c271258542
commit cc2a5b08a7
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=82912

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@ -28,6 +28,12 @@ in a secure manner before being encrypted with a private
key under a public-key cryptosystem such as
.Em RSA .
.Pp
MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been
made that its security is in some doubt. The attacks on MD5
are in the nature of finding ``collisions'' \- that is, multiple
inputs which hash to the same value; it is still unlikely for an attacker
to be able to determine the exact original input given a hash value.
.Pp
The following options may be used in any combination and must
precede any files named on the command line. The MD5
sum of each file listed on the command line is printed after the options