gnu: Add rust-cipher-0.4.

* gnu/packages/crates-io.scm (rust-cipher-0.4): New variable.
(rust-cipher-0.3): Inherit from rust-cipher-0.4.

gnu/packages/crates-io.scm

@@ -10828,8 +10828,36 @@ usage.")
     (description "This package provides Rust bindings for libclang.")
     (license license:asl2.0)))
 
+(define-public rust-cipher-0.4
+  (package
+    (name "rust-cipher")
+    (version "0.4.3")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "cipher" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32 "17mmmqaalirdx7bpdhrgzp1sd392zm08mjrr24cjr57pz1q351yi"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-blobby" ,rust-blobby-0.3)
+        ("rust-crypto-common" ,rust-crypto-common-0.1)
+        ("rust-inout" ,rust-inout-0.1)
+        ("rust-zeroize" ,rust-zeroize-1))))
+    (home-page "https://docs.rs/cipher/")
+    (synopsis "Traits for describing block ciphers and stream ciphers")
+    (description "This package provides traits which define the functionality
+of block ciphers and stream ciphers.  See RustCrypto/block-ciphers and
+RustCrypto/stream-ciphers for algorithm implementations which use these
+traits.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-cipher-0.3
   (package
+    (inherit rust-cipher-0.4)
     (name "rust-cipher")
     (version "0.3.0")
     (source
@@ -10840,18 +10868,10 @@ usage.")
          (string-append name "-" version ".tar.gz"))
         (sha256
          (base32 "1dyzsv0c84rgz98d5glnhsz4320wl24x3bq511vnyf0mxir21rby"))))
-    (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
-        (("rust-blobby" ,rust-blobby-0.3)
-         ("rust-generic-array" ,rust-generic-array-0.14))))
-    (home-page "https://docs.rs/cipher/")
-    (synopsis "Traits for describing block ciphers and stream ciphers")
-    (description "This package provides traits which define the functionality
-of block ciphers and stream ciphers.  See RustCrypto/block-ciphers and
-RustCrypto/stream-ciphers for algorithm implementations which use these
-traits.")
-    (license (list license:expat license:asl2.0))))
+       (("rust-blobby" ,rust-blobby-0.3)
+        ("rust-generic-array" ,rust-generic-array-0.14))))))
 
 (define-public rust-cipher-0.2
   (package