commit e304f694544091792387c72fc32aea89af3d2c8a
author A. Cody Schuffelen <schuffelen@google.com> Thu Jun 25 16:17:30 2020 -0700
committer A. Cody Schuffelen <schuffelen@google.com> Fri Jun 26 12:49:50 2020 -0700
tree 3365c4f04d7e4b49b97a2f1fafff0e95e71ac53d
parent b898c2cbb343b4036b66ebe358b9fa64191d5b5b

Fix TpmHmac to take a const data argument.

Test: m -j
Bug: 155695501
Change-Id: Iddf7d502561303aeaf0fb9f4c52c4a1698e10f06

host/commands/secure_env/tpm_hmac.cpp

diff --git a/host/commands/secure_env/tpm_hmac.cpp b/host/commands/secure_env/tpm_hmac.cpp
index 6273661..f7c1565 100644
--- a/host/commands/secure_env/tpm_hmac.cpp
+++ b/host/commands/secure_env/tpm_hmac.cpp
@@ -25,7 +25,7 @@
     TpmResourceManager* resource_manager,
     ESYS_TR key_handle,
     TpmAuth auth,
-    uint8_t* data,
+    const uint8_t* data,
     size_t data_size) {
   if (data_size  > TPM2_MAX_DIGEST_BUFFER) {
     LOG(ERROR) << "Logic error: OneshotSign called with data_size "
@@ -62,7 +62,7 @@
     TpmResourceManager* resource_manager,
     ESYS_TR key_handle,
     TpmAuth key_auth,
-    uint8_t* data,
+    const uint8_t* data,
     size_t data_size) {
   // TODO(schuffelen): Pipeline commands where possible.
   TPM2B_AUTH sequence_auth;
@@ -148,7 +148,7 @@
     TpmResourceManager* resource_manager,
     ESYS_TR key_handle,
     TpmAuth auth,
-    uint8_t* data,
+    const uint8_t* data,
     size_t data_size) {
   auto fn = data_size > TPM2_MAX_DIGEST_BUFFER ? SegmentedHmac : OneshotHmac;
   return fn(resource_manager, key_handle, auth, data, data_size);

host/commands/secure_env/tpm_hmac.h

diff --git a/host/commands/secure_env/tpm_hmac.h b/host/commands/secure_env/tpm_hmac.h
index f5abf6b..4d179d3 100644
--- a/host/commands/secure_env/tpm_hmac.h
+++ b/host/commands/secure_env/tpm_hmac.h
@@ -47,5 +47,5 @@
     TpmResourceManager* resource_manager,
     ESYS_TR key_handle,
     TpmAuth auth,
-    uint8_t* data,
+    const uint8_t* data,
     size_t data_size);