1 files changed, 10 insertions, 0 deletions
diff --git a/utilities.lisp b/utilities.lisp
index d36c4db..ec1ae55 100644
--- a/utilities.lisp
+++ b/utilities.lisp
@@ -13,6 +13,16 @@
               host
               (get-universal-time))))))
 
+(defun hash-string (plaintext salt)
+  "Hash plaintext using SALT"
+  (flexi-streams:octets-to-string 
+   (ironclad:digest-sequence
+    :sha3
+    (flexi-streams:string-to-octets (concatenate 'string salt plaintext)
+                                    :external-format :utf-8))
+   :external-format :latin1))
+
+
 (defun default-name (kind)
   (format nil "~a" (gensym kind)))