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-rw-r--r--gnu/packages/crypto.scm39
1 files changed, 39 insertions, 0 deletions
diff --git a/gnu/packages/crypto.scm b/gnu/packages/crypto.scm
index 3ddeefed84..62fe5fe081 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 "http://search.cpan.org/dist/Math-Random-Secure")
+ (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:
+
+@enumerate
+@item 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.
+@item There are so many possible seeds that it would take decades, centuries,
+or millenia for an attacker to try them all.
+@item The seed comes from a source that generates relatively strong random
+data on your platform, so the seed itself will be as random as possible.
+@end enumerate\n")
+ (license license:artistic2.0)))