argon2 experiment

lib/auth.lua

@@ -0,0 +1,16 @@
+local auth = {}
+
+local ls = require "luasodium"
+
+function auth.digest(password)
+  return ls.crypto_pwhash_str(
+    password,
+    ls.crypto_pwhash_OPSLIMIT_INTERACTIVE,
+    ls.crypto_pwhash_MEMLIMIT_INTERACTIVE)
+end
+
+function auth.verify(password, hash)
+  return ls.crypto_pwhash_str_verify(hash, password)
+end
+
+return auth