Reduce max keymaster message size to 2K

Bug: 63745895
Test: VtsHalKeymasterV3_0TargetTest
Change-Id: I9b8c2e551f04bd2124462095f232bd08ff1f63c6
diff --git a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
index b950765..d064bd7 100644
--- a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
+++ b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
@@ -1730,7 +1730,7 @@
                                              .Authorization(TAG_NO_AUTH_REQUIRED)
                                              .EcdsaSigningKey(224)
                                              .Digest(Digest::NONE)));
-    string message(64 * 1024, 'a');
+    string message(2 * 1024, 'a');
     SignMessage(message, AuthorizationSetBuilder().Digest(Digest::NONE));
 }
 
@@ -2564,7 +2564,7 @@
 }
 
 /*
- * EncryptionOperationsTest.RsaNoPaddingTooLong
+ * EncryptionOperationsTest.RsaNoPaddingTooLarge
  *
  * Verifies that raw RSA encryption of too-large (numerically) messages fails in the expected way.
  */