(ITS#8575) Argon2 Password hashing contrib module

[simon@slevermann.de]

Full_Name: Simon Levermann
Version: 
OS: 
URL: ftp://ftp.openldap.org/incoming/simon-levermann-170126.patch
Submission from: (NULL) (2001:638:708:f002:deab:9ae4:7f07:d350)


This patch adds a password hashing module for the argon2 function to the
contrib/slapd-modules/passwd/ modules. Argon2 is a relatively new hash function
which has won the Password Hashing Competition (https://password-hashing.net)

The attached patch file is derived from OpenLDAP Software. All of the
modifications to OpenLDAP Software represented in the following patch(es) were
developed by Simon Levermann simon@slevermann.de. I have not assigned rights
and/or interest in this work to any party.

I, Simon Levermann, hereby place the following modifications to OpenLDAP
Software (and only these modifications) into the public domain. Hence, these
modifications may be freely used and/or redistributed for any purpose with or
without attribution and/or other notice.