commit 4bdcda2c8bea0329c9435093938d4f9ee4452745
author Tri Vo <trong@google.com> Fri Oct 28 14:16:09 2022 -0700
committer Tri Vo <trong@google.com> Tue Nov 01 10:46:40 2022 -0700
tree d5044160b6dc045f50c3ea6fdcedc5276194a777
parent 6161a438c4aae769e1349708a389f3fdc5134de4

hwbcc: Increase hwbcc message size limits

We need this to support RKP CSRs with more keys.

Bug: 254137722
Test: atest VtsHalRemotelyProvisionedComponentTargetTest
Test: com.android.trusty.hwbcc.test
Change-Id: I69c573959060c7ad92fd87b40aec84de800eb698

interface/hwbcc/include/interface/hwbcc/hwbcc.h

diff --git a/interface/hwbcc/include/interface/hwbcc/hwbcc.h b/interface/hwbcc/include/interface/hwbcc/hwbcc.h
index 9cc8635..f9a8d39 100644
--- a/interface/hwbcc/include/interface/hwbcc/hwbcc.h
+++ b/interface/hwbcc/include/interface/hwbcc/hwbcc.h
@@ -65,7 +65,7 @@
 STATIC_ASSERT(sizeof(struct hwbcc_req_hdr) == 16);
 
 #define HWBCC_MAX_AAD_SIZE 512
-#define HWBCC_MAX_DATA_TO_SIGN_SIZE 1024
+#define HWBCC_MAX_DATA_TO_SIGN_SIZE 2048
 #define HWBCC_MAX_ENCODED_KEY_SIZE HWBCC_MAX_DATA_TO_SIGN_SIZE
 #define HWBCC_MAC_KEY_SIZE 32
 
@@ -108,6 +108,6 @@
 };
 STATIC_ASSERT(sizeof(struct hwbcc_resp_hdr) == 12);
 
-#define HWBCC_MAX_RESP_PAYLOAD_SIZE 2048
+#define HWBCC_MAX_RESP_PAYLOAD_SIZE 3072
 
 __END_CDECLS