Switch to using .vbprivk for signing everything now.

tests/firmware_verify_benchmark.c

Index: tests/firmware_verify_benchmark.c
diff --git a/tests/firmware_verify_benchmark.c b/tests/firmware_verify_benchmark.c
index 44e456615c079e67902fe0368611e262ea54217e..598cdfc23ab99a1b27aa0675705cc90e5d924bfb 100644
--- a/tests/firmware_verify_benchmark.c
+++ b/tests/firmware_verify_benchmark.c
@@ -61,7 +61,7 @@ int SpeedTestAlgorithm(int algorithm) {
   snprintf(file_name, FILE_NAME_SIZE, "testkeys/key_rsa%d.keyb", key_size);
   firmware_sign_key = BufferFromFile(file_name, &len);
   if (!firmware_sign_key) {
-    debug("Couldn't read pre-processed firmware signing key.\n");
+    VBDEBUG(("Couldn't read pre-processed firmware signing key.\n"));
     error_code = 1;
     goto cleanup;
   }
@@ -79,7 +79,7 @@ int SpeedTestAlgorithm(int algorithm) {
         "testkeys/key_rsa8192.pem",
         firmware_sign_key_file);
     if (!firmware_blobs[i]) {
-      debug("Couldn't generate test firmware images.\n");
+      VBDEBUG(("Couldn't generate test firmware images.\n"));
       error_code = 1;
       goto cleanup;
     }
@@ -88,7 +88,7 @@ int SpeedTestAlgorithm(int algorithm) {
   /* Get pre-processed key used for verification. */
   root_key_blob = BufferFromFile("testkeys/key_rsa8192.keyb", &len);
   if (!root_key_blob) {
-    debug("Couldn't read pre-processed rootkey.\n");
+    VBDEBUG(("Couldn't read pre-processed rootkey.\n"));
     error_code = 1;
     goto cleanup;
   }
@@ -101,7 +101,7 @@ int SpeedTestAlgorithm(int algorithm) {
           VerifyFirmware(root_key_blob,
                          verification_blobs[i],
                          firmware_blobs[i]))
-        debug("Warning: Firmware Verification Failed.\n");
+        VBDEBUG(("Warning: Firmware Verification Failed.\n"));
     }
     StopTimer(&ct);
     msecs = (float) GetDurationMsecs(&ct) / NUM_OPERATIONS;