01/02: gnu: Add libscrypt.

[Nicolas Goaziou]

ngz pushed a commit to branch master
in repository guix.

commit 84be0e9a74e08b33e6a89caf61ec179308e7347e
Author: Nicolas Goaziou <address@hidden>
Date:   Tue Jun 26 23:57:22 2018 +0200

    gnu: Add libscrypt.
    
    * gnu/packages/crypto.scm (libscrypt): New variable.
---
 gnu/packages/crypto.scm | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/gnu/packages/crypto.scm b/gnu/packages/crypto.scm
index 338db04..dd86843 100644
--- a/gnu/packages/crypto.scm
+++ b/gnu/packages/crypto.scm
@@ -9,6 +9,7 @@
 ;;; Copyright © 2017 Pierre Langlois <address@hidden>
 ;;; Copyright © 2018 Efraim Flashner <address@hidden>
 ;;; Copyright © 2018 Arun Isaac <address@hidden>
+;;; Copyright © 2018 Nicolas Goaziou <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -478,6 +479,34 @@ utility as a demonstration of the @code{scrypt} key 
derivation function.
 attacks than alternative functions such as @code{PBKDF2} or @code{bcrypt}.")
     (license license:bsd-2)))
 
+(define-public libscrypt
+  (package
+    (name "libscrypt")
+    (version "1.21")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/technion/libscrypt.git";)
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "1d76ys6cp7fi4ng1w3mz2l0p9dbr7ljbk33dcywyimzjz8bahdng"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:make-flags (list (string-append "PREFIX=" %output)
+                          "CC=gcc")
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'configure))))
+    (home-page "https://lolware.net/libscrypt.html";)
+    (synopsis "Password hashing library")
+    (description "@code{libscrypt} implements @code{scrypt} key derivation
+function.  It is designed to be far more secure against hardware brute-force
+attacks than alternative functions such as @code{PBKDF2} or @code{bcrypt}.")
+    (license license:bsd-3)))
+
 (define-public perl-math-random-isaac-xs
   (package
     (name "perl-math-random-isaac-xs")