1 files changed, 23 insertions, 0 deletions
diff --git a/src/main/scala/byspel/PasswordHash.scala b/src/main/scala/byspel/PasswordHash.scala
new file mode 100644
index 0000000..c97723d
--- /dev/null
+++ b/src/main/scala/byspel/PasswordHash.scala
@@ -0,0 +1,23 @@
+package byspel
+
+import de.mkammerer.argon2.Argon2Factory
+import java.nio.charset.StandardCharsets
+
+object PasswordHash {
+
+  private val argon2 = Argon2Factory.create()
+
+  /** Salt and hash a password. */
+  def protect(plain: String): String =
+    argon2.hash(
+      10, // iterations
+      65536, // memory
+      1, // parallelism
+      plain, // password
+      StandardCharsets.UTF_8
+    )
+
+  def verify(plain: String, hashed: String): Boolean =
+    argon2.verify(hashed, plain)
+
+}