- Update ed25519 tests, including using sample keys from RFC 8032 Section

7.1 and the sample message from RFC 6376

dkim/tests/data/rfc6376.msg

@@ -0,0 +1,12 @@
+From: Joe SixPack <[email protected]>
+To: Suzie Q <[email protected]>
+Subject: Is dinner ready?
+Date: Fri, 11 Jul 2003 21:00:37 -0700 (PDT)
+Message-ID: <[email protected]>
+
+Hi.
+
+We lost the game.  Are you hungry yet?
+
+Joe.
+

dkim/tests/data/rfc8032_7_1.key

@@ -0,0 +1 @@
+nWGxne/9WmC6hEr0kuwsxERJxWl7MmkZcDusAxyuf2A=