gnu: Add go-github-com-xdg-go-scram.

* gnu/packages/golang.scm (go-github-com-xdg-go-scram): New variable.

gnu/packages/golang.scm

@@ -7966,6 +7966,32 @@ (define-public go-github-com-xdg-go-pbkdf2
 and @url{https://rfc-editor.org/rfc/rfc8018.html,RFC 8018}.")
     (license license:asl2.0)))
 
+(define-public go-github-com-xdg-go-scram
+  (package
+    (name "go-github-com-xdg-go-scram")
+    (version "1.0.2")
+    (source
+      (origin
+        (method git-fetch)
+        (uri (git-reference
+               (url "https://github.com/xdg-go/scram")
+               (commit (string-append "v" version))))
+        (file-name (git-file-name name version))
+        (sha256
+         (base32 "1jyv4qgc1dgh3v96pazmgljpp9ij25k8hwn0v4fck18g16i0nccm"))))
+    (build-system go-build-system)
+    (arguments '(#:import-path "github.com/xdg-go/scram"))
+    (propagated-inputs
+     (list go-github-com-xdg-go-stringprep
+           go-github-com-xdg-go-pbkdf2))
+    (home-page "https://github.com/xdg-go/scram")
+    (synopsis "Go implementation of RFC-5802")
+    (description
+     "Package scram provides client and server implementations of the
+@acronym{Salted Challenge Response Authentication Mechanism, SCRAM} described in
+RFC-5802 and RFC-7677.")
+    (license license:asl2.0)))
+
 (define-public go-github-com-godbus-dbus
   (package
     (name "go-github-com-godbus-dbus")