2 files changed, 30 insertions, 1 deletions
diff --git a/stdlib/source/program/aedifex/dependency.lux b/stdlib/source/program/aedifex/dependency.lux
index 13e30028b..473d5498e 100644
--- a/stdlib/source/program/aedifex/dependency.lux
+++ b/stdlib/source/program/aedifex/dependency.lux
@@ -1,5 +1,7 @@
 (.module:
-  [lux (#- Type)])
+  [lux (#- Type)]
+  ["." // #_
+   ["#." hash]])
 
 ## https://maven.apache.org/ref/3.6.3/maven-core/artifact-handlers.html
 (type: #export Type
diff --git a/stdlib/source/program/aedifex/hash.lux b/stdlib/source/program/aedifex/hash.lux
new file mode 100644
index 000000000..bd4396006
--- /dev/null
+++ b/stdlib/source/program/aedifex/hash.lux
@@ -0,0 +1,27 @@
+(.module:
+  [lux #*
+   ["." host (#+ import:)]
+   [data
+    ["." binary (#+ Binary)]]])
+
+## TODO: Replace with pure-Lux implementations of these algorithms
+## https://en.wikipedia.org/wiki/SHA-1#SHA-1_pseudocode
+## https://en.wikipedia.org/wiki/MD5#Algorithm
+(import: #long java/lang/String)
+
+(import: #long java/security/MessageDigest
+  (#static getInstance [java/lang/String] java/security/MessageDigest)
+  (digest [[byte]] [byte]))
+
+(type: #export Hash
+  Binary)
+
+(template [<name> <algorithm>]
+  [(def: #export (<name> value)
+     (-> Binary Hash)
+     (|> (java/security/MessageDigest::getInstance [<algorithm>])
+         (java/security/MessageDigest::digest [value])))]
+
+  [sha1 "SHA-1"]
+  [md5 "MD5"]
+  )