gnu: Add rust-stream-cipher-0.3.

* gnu/packages/crates-io.scm (rust-stream-cipher-0.3): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/packages/crates-io.scm

@@ -7454,6 +7454,30 @@ crate.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-stream-cipher-0.3
+  (package
+    (name "rust-stream-cipher")
+    (version "0.3.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "stream-cipher" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1g1nd8r6pph70rzk5yyvg7a9ji7pkap9ddiqpp4v9xa9ys0bqqc8"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-blobby" ,rust-blobby-0.1)
+        ("rust-generic-array" ,rust-generic-array-0.13))))
+    (home-page "https://github.com/RustCrypto/traits")
+    (synopsis "Stream cipher traits")
+    (description "Stream cipher traits.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-streaming-stats-0.2
   (package
     (name "rust-streaming-stats")