Add Crypto::Secret::Bidet

src/crypto-secret/bidet.cr

@@ -0,0 +1,23 @@
+require "./stateless"
+
+# Leaves less sh** around if you forget to wipe.  A safer default for large secrets that may stress mlock limits or low confidentiality secrets.
+#
+# * Not locked in memory
+# * Not access protected
+# * No guard pages
+module Crypto::Secret
+  class Bidet
+    include Stateless
+
+    def self.new(size)
+      new references: Bytes.new(size)
+    end
+
+    def initialize(*, references : Bytes)
+      @bytes = references
+    end
+
+    delegate_to_slice @bytes
+    delegate_to_bytesize @bytes.bytesize
+  end
+end