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09/09: gnu: Add perl-math-random-secure.

From: Ricardo Wurmus
Subject: 09/09: gnu: Add perl-math-random-secure.
Date: Mon, 14 Aug 2017 06:00:18 -0400 (EDT)

rekado pushed a commit to branch master
in repository guix.

commit 233f4f43bfe851d9b7a3dee7e881dcd017a2c1a3
Author: Ricardo Wurmus <address@hidden>
Date:   Mon Aug 14 11:50:42 2017 +0200

    gnu: Add perl-math-random-secure.
    * gnu/packages/crypto.scm (perl-math-random-secure): New variable.
 gnu/packages/crypto.scm | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/gnu/packages/crypto.scm b/gnu/packages/crypto.scm
index 3ddeefe..62fe5fe 100644
--- a/gnu/packages/crypto.scm
+++ b/gnu/packages/crypto.scm
@@ -524,3 +524,42 @@ generator.")
     (description "This module provides implementations for a number of
 byte-oriented sources of random data.")
     (license (package-license perl))))
+(define-public perl-math-random-secure
+  (package
+    (name "perl-math-random-secure")
+    (version "0.080001")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://cpan/authors/id/F/FR/FREW/"
+                           "Math-Random-Secure-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0dgbf4ncll4kmgkyb9fsaxn0vf2smc9dmwqzgh3259zc2zla995z"))))
+    (build-system perl-build-system)
+    (native-inputs
+     `(("perl-list-moreutils" ,perl-list-moreutils)
+       ("perl-test-leaktrace" ,perl-test-leaktrace)
+       ("perl-test-sharedfork" ,perl-test-sharedfork)
+       ("perl-test-warn" ,perl-test-warn)))
+    (inputs
+     `(("perl-crypt-random-source" ,perl-crypt-random-source)
+       ("perl-math-random-isaac" ,perl-math-random-isaac)
+       ("perl-math-random-isaac-xs" ,perl-math-random-isaac-xs)
+       ("perl-moo" ,perl-moo)))
+    (home-page "";)
+    (synopsis "Cryptographically secure replacement for rand()")
+    (description "This module is intended to provide a
+cryptographically-secure replacement for Perl's built-in @code{rand} function.
+\"Crytographically secure\", in this case, means:
address@hidden No matter how many numbers you see generated by the random number
+generator, you cannot guess the future numbers, and you cannot guess the seed.
address@hidden There are so many possible seeds that it would take decades, 
+or millenia for an attacker to try them all.
address@hidden The seed comes from a source that generates relatively strong 
+data on your platform, so the seed itself will be as random as possible.
address@hidden enumerate\n")
+    (license license:artistic2.0)))

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