gnu: Add rust-pbkdf2-0.3.

* gnu/packages/crates-io.scm (rust-pbkdf2-0.3): New variable.

gnu/packages/crates-io.scm

@@ -15619,6 +15619,41 @@ synchronization primitives.")
      "Implementation detail of the paste crate.")
     (license (list license:asl2.0 license:expat))))
 
+(define-public rust-pbkdf2-0.3
+  (package
+    (name "rust-pbkdf2")
+    (version "0.3.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "pbkdf2" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "1na2fmmfcmksz4xk7m0ihl778501c1krx88dcylrand48f506v00"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-base64" ,rust-base64-0.9)
+        ("rust-byteorder" ,rust-byteorder-1.3)
+        ("rust-crypto-mac" ,rust-crypto-mac-0.7)
+        ("rust-hmac" ,rust-hmac-0.7)
+        ("rust-rand" ,rust-rand-0.5)
+        ("rust-rayon" ,rust-rayon-1)
+        ("rust-sha2" ,rust-sha2-0.8)
+        ("rust-subtle" ,rust-subtle-1.0))
+       #:cargo-development-inputs
+       (("rust-hmac" ,rust-hmac-0.7)
+        ("rust-sha-1" ,rust-sha-1-0.8)
+        ("rust-sha2" ,rust-sha2-0.8))))
+    (home-page "https://github.com/RustCrypto/password-hashes")
+    (synopsis "Generic implementation of PBKDF2")
+    (description "This package contains a collection of password hashing
+algorithms, otherwise known as password-based key derivation functions, written
+in pure Rust.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-pcre2-0.2
   (package
     (name "rust-pcre2")