19/22: gnu: Add rust-fuchsia-cprng.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit 4247954bbc28d83ece158c4732030d65fdf6b8a5
Author: Efraim Flashner <address@hidden>
Date:   Thu Aug 29 14:28:00 2019 +0300

    gnu: Add rust-fuchsia-cprng.
    
    * gnu/packages/crates-io.scm (rust-fuchsia-cprng): New variable.
---
 gnu/packages/crates-io.scm | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 0bb1feb..219bbe2 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -509,6 +509,27 @@ implementation that is more efficient for smaller hash 
keys.")
 process and much more.")
     (license license:expat)))
 
+(define-public rust-fuchsia-cprng
+  (package
+    (name "rust-fuchsia-cprng")
+    (version "0.1.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "fuchsia-cprng" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1fnkqrbz7ixxzsb04bsz9p0zzazanma8znfdqjvh39n14vapfvx0"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:tests? #f)) ; tests require zircon
+    (home-page 
"https://fuchsia.googlesource.com/fuchsia/+/master/garnet/public/rust/fuchsia-cprng";)
+    (synopsis "Fuchsia cryptographically secure pseudorandom number generator")
+    (description "Rust crate for the Fuchsia cryptographically secure
+pseudorandom number generator")
+    (license license:bsd-3)))
+
 (define-public rust-fuchsia-zircon
   (package
     (name "rust-fuchsia-zircon")