cast-auth: Add clang-format configuration and run it

This adds .clang-format and PREUPLOAD.cfg files to enable
clang-format to run on every upload, and runs the tool
manually to ensure all files are correctly formatted.

Bug: None
Change-Id: I5a6e63b873b742d259fdb89b02a4db34139e9903
diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..97e6791
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,24 @@
+# Trusty Style
+# This is a Google-derived style with 4-space indent and a few quirks for
+# systems code.
+BasedOnStyle: Chromium
+
+# 4-space indent, no tabs.
+IndentWidth: 4
+UseTab: Never
+TabWidth: 4
+
+# Double indent arguments when none of them are on the first line.
+ContinuationIndentWidth: 8
+ConstructorInitializerIndentWidth: 8
+
+# Don't indent public/private/protected.
+# It's a little more common to do a half indent, but folks didn't like that.
+AccessModifierOffset: -4
+
+# Don't indent case labels.
+IndentCaseLabels: false
+
+# Don't break strings to make it easier to grep for error messages.
+# Note: this can result in lines that exceed the column limit.
+BreakStringLiterals: false
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
new file mode 100644
index 0000000..587b0de
--- /dev/null
+++ b/PREUPLOAD.cfg
@@ -0,0 +1,7 @@
+[Builtin Hooks]
+clang_format = true
+commit_msg_bug_field = true
+commit_msg_changeid_field = true
+
+[Builtin Hooks Options]
+clang_format = --commit ${PREUPLOAD_COMMIT} --style file --extensions c,h,cc,cpp
diff --git a/app/cast_auth_impl.cc b/app/cast_auth_impl.cc
index 21e94e7..ef182a2 100644
--- a/app/cast_auth_impl.cc
+++ b/app/cast_auth_impl.cc
@@ -14,214 +14,214 @@
 
 #include "lib/keybox/client/keybox.h"
 
-static const char *kKeyPath = "cast_auth_key";
+static const char* kKeyPath = "cast_auth_key";
 const int RSA_2048_SIZE_BYTES = 256;
 const int UNWRAPPED_KEY_MAX_BYTES = 1200;
 const int WRAPPING_MAX_BYTES = 1024;
 const int WRAPPED_KEY_MAX_BYTES = UNWRAPPED_KEY_MAX_BYTES + WRAPPING_MAX_BYTES;
 const int PAYLOAD_MAX_BYTES = WRAPPED_KEY_MAX_BYTES;
 
-bool is_plaintext_rsa_2048_private_key(
-    const ::tidl::Payload &req_payload) {
-  bssl::UniquePtr<BIO> bio(
-      BIO_new_mem_buf(req_payload.data(), req_payload.size()));
-  if (!bio) {
-    TLOGE(
-        "is_plaintext_rsa_2048_private_key: failed to allocate memory for the "
-        "device key\n");
-    return ERR_NO_MEMORY;
-  }
-  bssl::UniquePtr<RSA> rsa(d2i_RSAPrivateKey_bio(bio.get(), NULL));
-  return rsa && RSA_size(rsa.get()) == RSA_2048_SIZE_BYTES;
+bool is_plaintext_rsa_2048_private_key(const ::tidl::Payload& req_payload) {
+    bssl::UniquePtr<BIO> bio(
+            BIO_new_mem_buf(req_payload.data(), req_payload.size()));
+    if (!bio) {
+        TLOGE("is_plaintext_rsa_2048_private_key: failed to allocate memory for the "
+              "device key\n");
+        return ERR_NO_MEMORY;
+    }
+    bssl::UniquePtr<RSA> rsa(d2i_RSAPrivateKey_bio(bio.get(), NULL));
+    return rsa && RSA_size(rsa.get()) == RSA_2048_SIZE_BYTES;
 }
 
 class StorageSessionHandle {
 public:
-  StorageSessionHandle(const char *type) : mSession(STORAGE_INVALID_SESSION) {
-    mError = storage_open_session(&mSession, type);
-  }
-  ~StorageSessionHandle() {
-    storage_close_session(mSession);
-    mSession = STORAGE_INVALID_SESSION;
-  }
-  bool valid() { return mSession != STORAGE_INVALID_SESSION; }
-  storage_session_t get() { return mSession; }
-  int error() { return mError; }
+    StorageSessionHandle(const char* type) : mSession(STORAGE_INVALID_SESSION) {
+        mError = storage_open_session(&mSession, type);
+    }
+    ~StorageSessionHandle() {
+        storage_close_session(mSession);
+        mSession = STORAGE_INVALID_SESSION;
+    }
+    bool valid() { return mSession != STORAGE_INVALID_SESSION; }
+    storage_session_t get() { return mSession; }
+    int error() { return mError; }
 
 private:
-  storage_session_t mSession;
-  int mError;
+    storage_session_t mSession;
+    int mError;
 };
 
 CastAuthImpl::CastAuthImpl() : BnCastAuth(PORT, &kAcl, PAYLOAD_MAX_BYTES) {}
 
-int CastAuthImpl::ProvisionKey(const ::tidl::Payload &req_payload) {
-  uint8_t unwrapped[UNWRAPPED_KEY_MAX_BYTES];
-  size_t unwrapped_size = sizeof(unwrapped);
-  if (!system_state_provisioning_allowed()) {
-    TLOGE("CastAuthImpl::ProvisionKey: provisioning not allowed\n");
-    return ERR_BAD_STATE;
-  }
-  int rc = NO_ERROR;
-  if (is_plaintext_rsa_2048_private_key(req_payload)) {
-    if (req_payload.size() > UNWRAPPED_KEY_MAX_BYTES)
-      rc = ERR_NOT_ENOUGH_BUFFER;
-    else {
-      unwrapped_size = req_payload.size();
-      memcpy(unwrapped, req_payload.data(), unwrapped_size);
+int CastAuthImpl::ProvisionKey(const ::tidl::Payload& req_payload) {
+    uint8_t unwrapped[UNWRAPPED_KEY_MAX_BYTES];
+    size_t unwrapped_size = sizeof(unwrapped);
+    if (!system_state_provisioning_allowed()) {
+        TLOGE("CastAuthImpl::ProvisionKey: provisioning not allowed\n");
+        return ERR_BAD_STATE;
     }
-  } else {
-    rc = keybox_unwrap(req_payload.data(), req_payload.size(), unwrapped,
-                       unwrapped_size, &unwrapped_size);
-  }
-  if (rc != NO_ERROR) {
-    TLOGE("CastAuthImpl::ProvisionKey: failed to unwrap key: %d\n", rc);
-    return rc;
-  }
-  bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(unwrapped, unwrapped_size));
-  if (!bio) {
-    TLOGE("CastAuthImpl::ProvisionKey: failed to allocate memory for the "
-          "device key\n");
-    return ERR_NO_MEMORY;
-  }
-  bssl::UniquePtr<RSA> rsa(d2i_RSAPrivateKey_bio(bio.get(), NULL));
-  if (!rsa || RSA_size(rsa.get()) != RSA_2048_SIZE_BYTES) {
-    TLOGE("CastAuthImpl::ProvisionKey: failed to decode device key\n");
-    return ERR_NOT_VALID;
-  }
-  return SaveKey(unwrapped, unwrapped_size);
+    int rc = NO_ERROR;
+    if (is_plaintext_rsa_2048_private_key(req_payload)) {
+        if (req_payload.size() > UNWRAPPED_KEY_MAX_BYTES)
+            rc = ERR_NOT_ENOUGH_BUFFER;
+        else {
+            unwrapped_size = req_payload.size();
+            memcpy(unwrapped, req_payload.data(), unwrapped_size);
+        }
+    } else {
+        rc = keybox_unwrap(req_payload.data(), req_payload.size(), unwrapped,
+                           unwrapped_size, &unwrapped_size);
+    }
+    if (rc != NO_ERROR) {
+        TLOGE("CastAuthImpl::ProvisionKey: failed to unwrap key: %d\n", rc);
+        return rc;
+    }
+    bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(unwrapped, unwrapped_size));
+    if (!bio) {
+        TLOGE("CastAuthImpl::ProvisionKey: failed to allocate memory for the "
+              "device key\n");
+        return ERR_NO_MEMORY;
+    }
+    bssl::UniquePtr<RSA> rsa(d2i_RSAPrivateKey_bio(bio.get(), NULL));
+    if (!rsa || RSA_size(rsa.get()) != RSA_2048_SIZE_BYTES) {
+        TLOGE("CastAuthImpl::ProvisionKey: failed to decode device key\n");
+        return ERR_NOT_VALID;
+    }
+    return SaveKey(unwrapped, unwrapped_size);
 }
 
-int CastAuthImpl::SignHash(const ::tidl::Payload &req_payload,
-                           ::tidl::Payload *resp_payload) {
-  uint8_t key[UNWRAPPED_KEY_MAX_BYTES];
-  size_t key_size = sizeof(key);
-  int rc = LoadKey(key, &key_size);
-  if (rc != NO_ERROR) {
-    TLOGE("CastAuthImpl::SignHash: failed to load device key: %d\n", rc);
-    return rc;
-  }
-  bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(key, key_size));
-  if (!bio) {
-    TLOGE("CastAuthImpl::SignHash: failed to allocate memory for the device "
-          "key\n");
-    return ERR_NO_MEMORY;
-  }
-  bssl::UniquePtr<RSA> rsa(d2i_RSAPrivateKey_bio(bio.get(), NULL));
-  if (!rsa) {
-    TLOGE("CastAuthImpl::SignHash: failed to decode device key\n");
-    return ERR_GENERIC;
-  }
-  if (!RSA_check_key(rsa.get())) {
-    TLOGE("CastAuthImpl::SignHash: RSA key failed check\n");
-    return ERR_GENERIC;
-  }
-  size_t expected_size = (size_t)RSA_size(rsa.get());
-  if (resp_payload->size() < expected_size) {
-    TLOGE("CastAuthImpl::SignHash: response buffer too small\n");
-    return ERR_NOT_ENOUGH_BUFFER;
-  }
-  resp_payload->resize(expected_size);
-  rc = RSA_private_encrypt(req_payload.size(), req_payload.data(),
-                           resp_payload->data(), rsa.get(), RSA_PKCS1_PADDING);
-  if (rc != (int)expected_size) {
-    TLOGE("CastAuthImpl::SignHash: RSA_private_encrypt %d \n", rc);
-    return ERR_GENERIC;
-  }
-  return NO_ERROR;
+int CastAuthImpl::SignHash(const ::tidl::Payload& req_payload,
+                           ::tidl::Payload* resp_payload) {
+    uint8_t key[UNWRAPPED_KEY_MAX_BYTES];
+    size_t key_size = sizeof(key);
+    int rc = LoadKey(key, &key_size);
+    if (rc != NO_ERROR) {
+        TLOGE("CastAuthImpl::SignHash: failed to load device key: %d\n", rc);
+        return rc;
+    }
+    bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(key, key_size));
+    if (!bio) {
+        TLOGE("CastAuthImpl::SignHash: failed to allocate memory for the device "
+              "key\n");
+        return ERR_NO_MEMORY;
+    }
+    bssl::UniquePtr<RSA> rsa(d2i_RSAPrivateKey_bio(bio.get(), NULL));
+    if (!rsa) {
+        TLOGE("CastAuthImpl::SignHash: failed to decode device key\n");
+        return ERR_GENERIC;
+    }
+    if (!RSA_check_key(rsa.get())) {
+        TLOGE("CastAuthImpl::SignHash: RSA key failed check\n");
+        return ERR_GENERIC;
+    }
+    size_t expected_size = (size_t)RSA_size(rsa.get());
+    if (resp_payload->size() < expected_size) {
+        TLOGE("CastAuthImpl::SignHash: response buffer too small\n");
+        return ERR_NOT_ENOUGH_BUFFER;
+    }
+    resp_payload->resize(expected_size);
+    rc = RSA_private_encrypt(req_payload.size(), req_payload.data(),
+                             resp_payload->data(), rsa.get(),
+                             RSA_PKCS1_PADDING);
+    if (rc != (int)expected_size) {
+        TLOGE("CastAuthImpl::SignHash: RSA_private_encrypt %d \n", rc);
+        return ERR_GENERIC;
+    }
+    return NO_ERROR;
 }
 
-int CastAuthImpl::SaveKey(const uint8_t *key, size_t length) {
-  if (key == NULL || !length) {
-    TLOGE("CastAuthImpl::SaveKey: no keybox provided\n");
-    return ERR_GENERIC;
-  }
-  StorageSessionHandle session(STORAGE_CLIENT_TDP_PORT);
-  if (!session.valid()) {
-    TLOGE("CastAuthImpl::SaveKey: couldn't open storage session\n");
-    return session.error();
-  }
-  file_handle_t handle;
-  int rc = storage_open_file(
-      session.get(), &handle, kKeyPath,
-      STORAGE_FILE_OPEN_CREATE | STORAGE_FILE_OPEN_TRUNCATE, 0);
-  if (rc < 0) {
-    TLOGE("CastAuthImpl::SaveKey: failed to open key file: %d\n", rc);
-    return rc;
-  }
-  rc = storage_write(handle, 0, key, length, STORAGE_OP_COMPLETE);
-  storage_close_file(handle);
-  if (rc < 0) {
-    TLOGE("CastAuthImpl::SaveKey: failed to write key: %d\n", rc);
-    return rc;
-  }
-  return NO_ERROR;
-}
-
-int CastAuthImpl::LoadKey(uint8_t *key, size_t *length) {
-  if (key == NULL || length == NULL) {
-    TLOGE("CastAuthImpl::LoadKey: invalid parameters\n");
-    return ERR_INVALID_ARGS;
-  }
-  StorageSessionHandle session(STORAGE_CLIENT_TDP_PORT);
-  if (!session.valid()) {
-    TLOGE("CastAuthImpl::LoadKey: couldn't open storage session\n");
-    return session.error();
-  }
-
-  file_handle_t handle;
-  int rc = storage_open_file(session.get(), &handle, kKeyPath, 0, 0);
-  if (rc < 0) {
-    TLOGE("CastAuthImpl::LoadKey: failed to open key file: %d\n", rc);
-    return rc;
-  }
-  storage_off_t keysize;
-  rc = storage_get_file_size(handle, &keysize);
-  if (rc < 0) {
-    TLOGE("CastAuthImpl::LoadKey: couldn't get file size: %d\n", rc);
+int CastAuthImpl::SaveKey(const uint8_t* key, size_t length) {
+    if (key == NULL || !length) {
+        TLOGE("CastAuthImpl::SaveKey: no keybox provided\n");
+        return ERR_GENERIC;
+    }
+    StorageSessionHandle session(STORAGE_CLIENT_TDP_PORT);
+    if (!session.valid()) {
+        TLOGE("CastAuthImpl::SaveKey: couldn't open storage session\n");
+        return session.error();
+    }
+    file_handle_t handle;
+    int rc = storage_open_file(
+            session.get(), &handle, kKeyPath,
+            STORAGE_FILE_OPEN_CREATE | STORAGE_FILE_OPEN_TRUNCATE, 0);
+    if (rc < 0) {
+        TLOGE("CastAuthImpl::SaveKey: failed to open key file: %d\n", rc);
+        return rc;
+    }
+    rc = storage_write(handle, 0, key, length, STORAGE_OP_COMPLETE);
     storage_close_file(handle);
-    return rc;
-  }
+    if (rc < 0) {
+        TLOGE("CastAuthImpl::SaveKey: failed to write key: %d\n", rc);
+        return rc;
+    }
+    return NO_ERROR;
+}
 
-  if (*length < keysize) {
-    TLOGE("CastAuthImpl::LoadKey: output buffer too small, "
-          "should be at least %zu bytes\n",
-          (size_t)keysize);
+int CastAuthImpl::LoadKey(uint8_t* key, size_t* length) {
+    if (key == NULL || length == NULL) {
+        TLOGE("CastAuthImpl::LoadKey: invalid parameters\n");
+        return ERR_INVALID_ARGS;
+    }
+    StorageSessionHandle session(STORAGE_CLIENT_TDP_PORT);
+    if (!session.valid()) {
+        TLOGE("CastAuthImpl::LoadKey: couldn't open storage session\n");
+        return session.error();
+    }
+
+    file_handle_t handle;
+    int rc = storage_open_file(session.get(), &handle, kKeyPath, 0, 0);
+    if (rc < 0) {
+        TLOGE("CastAuthImpl::LoadKey: failed to open key file: %d\n", rc);
+        return rc;
+    }
+    storage_off_t keysize;
+    rc = storage_get_file_size(handle, &keysize);
+    if (rc < 0) {
+        TLOGE("CastAuthImpl::LoadKey: couldn't get file size: %d\n", rc);
+        storage_close_file(handle);
+        return rc;
+    }
+
+    if (*length < keysize) {
+        TLOGE("CastAuthImpl::LoadKey: output buffer too small, "
+              "should be at least %zu bytes\n",
+              (size_t)keysize);
+        storage_close_file(handle);
+        *length = keysize;
+        return ERR_NOT_ENOUGH_BUFFER;
+    }
+
+    rc = storage_read(handle, 0, key, keysize);
     storage_close_file(handle);
+    if (rc < 0) {
+        TLOGE("CastAuthImpl::LoadKey: error reading key: %d\n", rc);
+        return rc;
+    }
+    if ((size_t)rc != keysize) {
+        TLOGE("CastAuthImpl::LoadKey: error reading key - size (%d) not matching "
+              "keysize (%zu)\n",
+              rc, (size_t)keysize);
+        return ERR_GENERIC;
+    }
     *length = keysize;
-    return ERR_NOT_ENOUGH_BUFFER;
-  }
 
-  rc = storage_read(handle, 0, key, keysize);
-  storage_close_file(handle);
-  if (rc < 0) {
-    TLOGE("CastAuthImpl::LoadKey: error reading key: %d\n", rc);
-    return rc;
-  }
-  if ((size_t)rc != keysize) {
-    TLOGE("CastAuthImpl::LoadKey: error reading key - size (%d) not matching "
-          "keysize (%zu)\n",
-          rc, (size_t)keysize);
-    return ERR_GENERIC;
-  }
-  *length = keysize;
-
-  return NO_ERROR;
+    return NO_ERROR;
 }
 
-int CastAuthImpl::get_payload_buffer(::tidl::Payload &payload,
-                                     uint32_t size, bool) {
-  if (size > PAYLOAD_MAX_BYTES) {
-    return ERR_NOT_ENOUGH_BUFFER;
-  }
+int CastAuthImpl::get_payload_buffer(::tidl::Payload& payload,
+                                     uint32_t size,
+                                     bool) {
+    if (size > PAYLOAD_MAX_BYTES) {
+        return ERR_NOT_ENOUGH_BUFFER;
+    }
 
-  uint8_t *buffer = new uint8_t[PAYLOAD_MAX_BYTES];
-  payload = ::tidl::Payload{buffer, size};
-  return NO_ERROR;
+    uint8_t* buffer = new uint8_t[PAYLOAD_MAX_BYTES];
+    payload = ::tidl::Payload{buffer, size};
+    return NO_ERROR;
 }
 
 void CastAuthImpl::free_payload_buffer(::tidl::Payload payload) {
-  delete[] payload.data();
-  // Note that payload is passed by copy, so will be destroyed here, no
-  // need to nullify the data member.
+    delete[] payload.data();
+    // Note that payload is passed by copy, so will be destroyed here, no
+    // need to nullify the data member.
 }
diff --git a/app/cast_auth_impl.h b/app/cast_auth_impl.h
index f1b11fd..e0b0758 100644
--- a/app/cast_auth_impl.h
+++ b/app/cast_auth_impl.h
@@ -7,18 +7,19 @@
 
 class CastAuthImpl : public BnCastAuth {
 public:
-  CastAuthImpl();
-  int ProvisionKey(const ::tidl::Payload &req_payload) override;
-  int SignHash(const ::tidl::Payload &req_payload,
-               ::tidl::Payload *resp_payload) override;
+    CastAuthImpl();
+    int ProvisionKey(const ::tidl::Payload& req_payload) override;
+    int SignHash(const ::tidl::Payload& req_payload,
+                 ::tidl::Payload* resp_payload) override;
 
 private:
-  static constexpr struct tipc_port_acl kAcl = {
-      .flags = IPC_PORT_ALLOW_TA_CONNECT | IPC_PORT_ALLOW_NS_CONNECT,
-      .uuid_num = 0};
-  int SaveKey(const uint8_t *key, size_t length);
-  int LoadKey(uint8_t *key, size_t *length);
-  int get_payload_buffer(::tidl::Payload &payload, uint32_t size,
-                         bool) override;
-  void free_payload_buffer(::tidl::Payload payload) override;
+    static constexpr struct tipc_port_acl kAcl = {
+            .flags = IPC_PORT_ALLOW_TA_CONNECT | IPC_PORT_ALLOW_NS_CONNECT,
+            .uuid_num = 0};
+    int SaveKey(const uint8_t* key, size_t length);
+    int LoadKey(uint8_t* key, size_t* length);
+    int get_payload_buffer(::tidl::Payload& payload,
+                           uint32_t size,
+                           bool) override;
+    void free_payload_buffer(::tidl::Payload payload) override;
 };
diff --git a/app/main.cc b/app/main.cc
index d3e5cde..715dea7 100644
--- a/app/main.cc
+++ b/app/main.cc
@@ -8,6 +8,6 @@
 #include "cast_auth_impl.h"
 
 int main() {
-  CastAuthImpl impl;
-  return impl.run_service();
+    CastAuthImpl impl;
+    return impl.run_service();
 }
diff --git a/app/test-app/main.cc b/app/test-app/main.cc
index fed2d8a..163e35d 100644
--- a/app/test-app/main.cc
+++ b/app/test-app/main.cc
@@ -31,116 +31,116 @@
  * prefixed by the appropriate DER prefix for SHA256.
  */
 unsigned char test_hash[] = {
-    0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65,
-    0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20, 0x00, 0xcf, 0x20,
-    0xe0, 0x7a, 0xa9, 0x69, 0x9f, 0x6c, 0x4f, 0x93, 0x42, 0x30, 0xee,
-    0xff, 0x8f, 0xc6, 0xf6, 0xcf, 0xdd, 0x57, 0xc8, 0xe5, 0xaf, 0x93,
-    0x49, 0x60, 0x82, 0xd7, 0x5c, 0xee, 0x42};
+        0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65,
+        0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20, 0x00, 0xcf, 0x20,
+        0xe0, 0x7a, 0xa9, 0x69, 0x9f, 0x6c, 0x4f, 0x93, 0x42, 0x30, 0xee,
+        0xff, 0x8f, 0xc6, 0xf6, 0xcf, 0xdd, 0x57, 0xc8, 0xe5, 0xaf, 0x93,
+        0x49, 0x60, 0x82, 0xd7, 0x5c, 0xee, 0x42};
 
 /* The following is a test RSA 2048 bit key, generated using openssl genrsa. It
  * is in PKCS1 RSAPrivateKey (DER) format.
  */
 unsigned char test_pkcs1_der[] = {
-    0x30, 0x82, 0x04, 0xa4, 0x02, 0x01, 0x00, 0x02, 0x82, 0x01, 0x01, 0x00,
-    0xca, 0xc1, 0x47, 0xf3, 0x2f, 0xf9, 0xd8, 0x47, 0x7f, 0x3b, 0x14, 0xb7,
-    0xde, 0x0f, 0xa8, 0x41, 0xe6, 0x30, 0x01, 0x27, 0x1b, 0x8a, 0x30, 0x96,
-    0xd0, 0x50, 0xa7, 0xfc, 0x19, 0xe0, 0xdf, 0x71, 0x6d, 0x0e, 0x8b, 0x79,
-    0x01, 0xa8, 0xe2, 0x01, 0x2d, 0x26, 0x93, 0xad, 0x3a, 0x2d, 0x84, 0xa0,
-    0x52, 0x64, 0xc9, 0x49, 0xdc, 0xf5, 0xa0, 0xd0, 0xd6, 0xab, 0xe1, 0xc5,
-    0x3d, 0x39, 0x53, 0x6b, 0xd5, 0x12, 0x33, 0x6b, 0xcd, 0x88, 0xb1, 0xa4,
-    0x6c, 0x69, 0x7f, 0x1c, 0x74, 0x6c, 0x27, 0xd6, 0xb8, 0x09, 0x1b, 0x0d,
-    0xb3, 0xc7, 0xd2, 0xaf, 0x52, 0xad, 0xf7, 0x61, 0x91, 0xa1, 0x39, 0x58,
-    0x99, 0xa4, 0x9b, 0x7d, 0x76, 0xe2, 0x26, 0x56, 0x86, 0x60, 0x1a, 0x47,
-    0xba, 0xdd, 0x94, 0xf2, 0x19, 0x08, 0x8f, 0x66, 0x9f, 0x59, 0xb9, 0x69,
-    0x9f, 0x53, 0x76, 0xb4, 0x2b, 0xac, 0x32, 0x87, 0x6d, 0x48, 0xeb, 0x80,
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+        0x64, 0x4e, 0x25, 0x03, 0x56, 0xe8, 0xa4, 0x26, 0x9f, 0xcb, 0xb7, 0xdd,
+        0x87, 0xc3, 0x61, 0xc2, 0xf3, 0xd7, 0x7a, 0x78, 0xab, 0x65, 0xc8, 0xfe,
+        0xad, 0x53, 0x3a, 0xea, 0xa0, 0xdf, 0x8f, 0x78, 0x0c, 0xc7, 0x98, 0x5d,
+        0xce, 0x7c, 0x31, 0x46, 0x3a, 0x84, 0x1d, 0xf3, 0x62, 0xce, 0xb3, 0x9a,
+        0x60, 0xd8, 0x5e, 0x15, 0xee, 0xe1, 0x85, 0x70, 0x3e, 0x99, 0x50, 0x3d,
+        0x7e, 0x1e, 0xee, 0x95, 0x31, 0x91, 0xa1, 0x4c, 0xd9, 0xbc, 0x76, 0x40,
+        0x9f, 0x58, 0x2a, 0x4e, 0x5b, 0x9f, 0x82, 0xcc, 0xcb, 0x68, 0x83, 0x54,
+        0xd1, 0xdf, 0xe9, 0xed, 0x19, 0xd6, 0x28, 0x8d, 0x69, 0x91, 0x02, 0xcc,
+        0x48, 0x41, 0x70, 0x5d, 0xcf, 0x37, 0x72, 0x8c, 0x4e, 0x22, 0x06, 0x4f,
+        0x87, 0xab, 0x2c, 0xdb, 0x43, 0x02, 0x81, 0x81, 0x00, 0xb4, 0x36, 0xc6,
+        0xfb, 0x8f, 0x5f, 0x5f, 0xe0, 0xed, 0xc3, 0x24, 0x0e, 0xf4, 0x5f, 0x5b,
+        0x0d, 0x0e, 0x36, 0x4c, 0x93, 0xe0, 0xb5, 0xbd, 0x8d, 0x33, 0xae, 0x9b,
+        0x35, 0x6f, 0x40, 0x6e, 0xfd, 0xd5, 0xb1, 0x19, 0x24, 0x19, 0x3b, 0x92,
+        0xe8, 0xf2, 0x13, 0x26, 0x02, 0x07, 0xa4, 0x57, 0xdc, 0x51, 0xac, 0x23,
+        0xd3, 0x64, 0x0b, 0x64, 0xd9, 0x94, 0x6b, 0xdd, 0xcd, 0x9b, 0x5e, 0xe5,
+        0x92, 0x71, 0x35, 0x1f, 0xc9, 0x0f, 0xd4, 0x50, 0x87, 0xb7, 0x74, 0x14,
+        0x04, 0xab, 0x8e, 0x21, 0xb2, 0x75, 0x5c, 0x27, 0x30, 0x33, 0x47, 0x8c,
+        0x06, 0xa8, 0xcb, 0x4d, 0x3f, 0x8a, 0x6a, 0xe2, 0xaa, 0x8f, 0x74, 0x37,
+        0x4a, 0xcf, 0xda, 0x24, 0x7d, 0x13, 0x60, 0x73, 0x4b, 0xca, 0xdb, 0xd9,
+        0xd0, 0x72, 0xc6, 0xb4, 0x01, 0x82, 0x49, 0x5b, 0xfb, 0xa1, 0x01, 0x80,
+        0x0c, 0x6e, 0x51, 0x58, 0xa3, 0x02, 0x81, 0x80, 0x22, 0xb4, 0x17, 0x2d,
+        0x6b, 0x24, 0xc5, 0xc2, 0xf4, 0x12, 0x98, 0x9c, 0xe9, 0x38, 0xb4, 0x6a,
+        0x22, 0xbc, 0x1f, 0x7a, 0x13, 0x37, 0x4c, 0xc4, 0x7b, 0x2a, 0x02, 0x15,
+        0x9a, 0x20, 0xed, 0x2f, 0x0f, 0xd3, 0x3a, 0x73, 0x3e, 0x71, 0xce, 0x73,
+        0x11, 0xac, 0xc8, 0x52, 0x66, 0x22, 0xde, 0xce, 0xd9, 0x03, 0x9c, 0x1e,
+        0xed, 0xd7, 0xa9, 0xce, 0xc8, 0xe5, 0xfc, 0x5d, 0x58, 0x1b, 0xf7, 0x18,
+        0x0a, 0xa6, 0xa3, 0xf0, 0x6c, 0xdd, 0x82, 0xf7, 0x2c, 0x08, 0xda, 0xb6,
+        0x61, 0x25, 0x40, 0xc8, 0xe1, 0x95, 0x61, 0x4f, 0x00, 0x78, 0xb9, 0xa1,
+        0xa6, 0xcf, 0x4b, 0xf4, 0x2c, 0x4d, 0x75, 0x99, 0x81, 0x81, 0x55, 0x57,
+        0x28, 0xfb, 0x5d, 0xe0, 0x93, 0xbc, 0xb7, 0x4d, 0x6d, 0x06, 0x19, 0xca,
+        0xbe, 0x2e, 0xe3, 0xc3, 0xc5, 0xc8, 0x6e, 0x5d, 0xe7, 0x63, 0x45, 0x1a,
+        0xcf, 0x06, 0x7b, 0xdd, 0x02, 0x81, 0x81, 0x00, 0xef, 0xc8, 0x33, 0x35,
+        0x86, 0xa1, 0x19, 0x34, 0xca, 0x6a, 0x5b, 0x43, 0x2c, 0x5b, 0x31, 0xaf,
+        0xc5, 0x0e, 0xf8, 0x12, 0x91, 0x16, 0xb9, 0x8b, 0x01, 0xf9, 0xa8, 0x9c,
+        0x5b, 0x9e, 0xbb, 0xc6, 0x8d, 0xf7, 0xe7, 0xeb, 0x6f, 0x04, 0xbe, 0xa9,
+        0x06, 0xba, 0xed, 0x9a, 0xf9, 0x6c, 0xe1, 0x3f, 0x3e, 0x27, 0x79, 0xdb,
+        0x5a, 0x8f, 0x5b, 0x4d, 0xd4, 0xd0, 0xf5, 0x2f, 0xc4, 0xaf, 0xc9, 0xc4,
+        0x44, 0x5b, 0xf1, 0xde, 0x1a, 0x91, 0xb7, 0x2b, 0x24, 0xc0, 0xed, 0xdd,
+        0xb1, 0x1f, 0x57, 0x82, 0x82, 0xd2, 0xa5, 0x58, 0x7e, 0xcd, 0x91, 0xf6,
+        0x2c, 0x46, 0xb0, 0x9b, 0xc3, 0x01, 0x2c, 0x85, 0x38, 0xba, 0x6b, 0x8c,
+        0xfc, 0x04, 0x0a, 0x8c, 0xc1, 0xde, 0x42, 0xd2, 0x14, 0x77, 0xe1, 0x1f,
+        0x58, 0xe9, 0x78, 0x63, 0x10, 0xf9, 0x7d, 0x68, 0xdb, 0xb4, 0x63, 0xa5,
+        0x58, 0x04, 0x33, 0xa5};
 
 /* The following is the signature of the above message generated using
  * "openssl dgst" with the above private key, using the PKCS1v1.5 signature
@@ -148,28 +148,28 @@
  * This should be the output of the TA, given the above key and hash.
  */
 unsigned char test_signature[] = {
-    0x9a, 0x89, 0x5b, 0x21, 0x8e, 0x01, 0x79, 0x59, 0x64, 0xf3, 0xbf, 0x8f,
-    0x82, 0x14, 0xe8, 0x39, 0x97, 0x96, 0x78, 0x96, 0xc1, 0xcb, 0x02, 0x91,
-    0xf2, 0xb3, 0x17, 0x7b, 0xe6, 0xaf, 0xa9, 0x67, 0x7a, 0xc1, 0x89, 0xac,
-    0x99, 0x3f, 0x6f, 0x07, 0xe4, 0x02, 0x2f, 0xc5, 0x0c, 0xb2, 0x7b, 0x2b,
-    0xb5, 0x7b, 0xba, 0x41, 0xfc, 0xf1, 0x4f, 0xc4, 0x23, 0x88, 0x52, 0xef,
-    0x0e, 0x3d, 0x35, 0x07, 0xb1, 0x70, 0x0f, 0xeb, 0x62, 0x9e, 0x6d, 0x4c,
-    0x9e, 0x22, 0x11, 0x38, 0x35, 0x75, 0xd5, 0xef, 0xd6, 0x0e, 0x38, 0xcb,
-    0xe1, 0x13, 0x1c, 0xeb, 0xfb, 0x1c, 0x1e, 0x1c, 0x9f, 0x0a, 0x33, 0x4b,
-    0x3a, 0x2c, 0x02, 0x03, 0x81, 0x74, 0x2c, 0x23, 0x2c, 0x58, 0x55, 0x14,
-    0x5c, 0xfd, 0x4d, 0x46, 0x64, 0x0d, 0x0a, 0xb3, 0x01, 0x55, 0x11, 0x5a,
-    0x2b, 0x05, 0x76, 0x50, 0xd8, 0x95, 0xd5, 0x07, 0xe6, 0x94, 0x3c, 0xef,
-    0xde, 0x87, 0x15, 0x3c, 0xf9, 0xa2, 0x06, 0xec, 0x94, 0x29, 0xf1, 0x0b,
-    0x6d, 0x06, 0xe3, 0xdf, 0xb3, 0x0b, 0xca, 0x77, 0x33, 0x59, 0xdc, 0xb7,
-    0xd9, 0x45, 0x63, 0x2e, 0xa1, 0xdf, 0xc5, 0x48, 0x7c, 0x57, 0x82, 0xe3,
-    0x34, 0x0d, 0xb6, 0xcb, 0xe0, 0xca, 0x14, 0x1d, 0x1b, 0x81, 0x93, 0x4b,
-    0xc0, 0xc8, 0x2c, 0x33, 0xd9, 0x77, 0xd6, 0x5e, 0x47, 0x2a, 0x67, 0x5f,
-    0xaa, 0xd1, 0x17, 0xe8, 0xa2, 0xe4, 0xa9, 0xac, 0xb2, 0x65, 0x49, 0x58,
-    0x57, 0x7e, 0x00, 0xa8, 0xae, 0xd4, 0x38, 0x91, 0x6c, 0xb1, 0x00, 0xa0,
-    0x4d, 0xaa, 0x1f, 0x77, 0xf3, 0x44, 0x6c, 0x81, 0xcf, 0xa5, 0x86, 0x43,
-    0x02, 0x4a, 0x67, 0x01, 0x5e, 0x7a, 0xde, 0x98, 0x90, 0x1c, 0xbf, 0xfe,
-    0xb5, 0xb1, 0x41, 0xdf, 0x2d, 0xfe, 0x80, 0x1e, 0xe2, 0x78, 0x50, 0xd0,
-    0x7b, 0xde, 0x9e, 0xb2};
+        0x9a, 0x89, 0x5b, 0x21, 0x8e, 0x01, 0x79, 0x59, 0x64, 0xf3, 0xbf, 0x8f,
+        0x82, 0x14, 0xe8, 0x39, 0x97, 0x96, 0x78, 0x96, 0xc1, 0xcb, 0x02, 0x91,
+        0xf2, 0xb3, 0x17, 0x7b, 0xe6, 0xaf, 0xa9, 0x67, 0x7a, 0xc1, 0x89, 0xac,
+        0x99, 0x3f, 0x6f, 0x07, 0xe4, 0x02, 0x2f, 0xc5, 0x0c, 0xb2, 0x7b, 0x2b,
+        0xb5, 0x7b, 0xba, 0x41, 0xfc, 0xf1, 0x4f, 0xc4, 0x23, 0x88, 0x52, 0xef,
+        0x0e, 0x3d, 0x35, 0x07, 0xb1, 0x70, 0x0f, 0xeb, 0x62, 0x9e, 0x6d, 0x4c,
+        0x9e, 0x22, 0x11, 0x38, 0x35, 0x75, 0xd5, 0xef, 0xd6, 0x0e, 0x38, 0xcb,
+        0xe1, 0x13, 0x1c, 0xeb, 0xfb, 0x1c, 0x1e, 0x1c, 0x9f, 0x0a, 0x33, 0x4b,
+        0x3a, 0x2c, 0x02, 0x03, 0x81, 0x74, 0x2c, 0x23, 0x2c, 0x58, 0x55, 0x14,
+        0x5c, 0xfd, 0x4d, 0x46, 0x64, 0x0d, 0x0a, 0xb3, 0x01, 0x55, 0x11, 0x5a,
+        0x2b, 0x05, 0x76, 0x50, 0xd8, 0x95, 0xd5, 0x07, 0xe6, 0x94, 0x3c, 0xef,
+        0xde, 0x87, 0x15, 0x3c, 0xf9, 0xa2, 0x06, 0xec, 0x94, 0x29, 0xf1, 0x0b,
+        0x6d, 0x06, 0xe3, 0xdf, 0xb3, 0x0b, 0xca, 0x77, 0x33, 0x59, 0xdc, 0xb7,
+        0xd9, 0x45, 0x63, 0x2e, 0xa1, 0xdf, 0xc5, 0x48, 0x7c, 0x57, 0x82, 0xe3,
+        0x34, 0x0d, 0xb6, 0xcb, 0xe0, 0xca, 0x14, 0x1d, 0x1b, 0x81, 0x93, 0x4b,
+        0xc0, 0xc8, 0x2c, 0x33, 0xd9, 0x77, 0xd6, 0x5e, 0x47, 0x2a, 0x67, 0x5f,
+        0xaa, 0xd1, 0x17, 0xe8, 0xa2, 0xe4, 0xa9, 0xac, 0xb2, 0x65, 0x49, 0x58,
+        0x57, 0x7e, 0x00, 0xa8, 0xae, 0xd4, 0x38, 0x91, 0x6c, 0xb1, 0x00, 0xa0,
+        0x4d, 0xaa, 0x1f, 0x77, 0xf3, 0x44, 0x6c, 0x81, 0xcf, 0xa5, 0x86, 0x43,
+        0x02, 0x4a, 0x67, 0x01, 0x5e, 0x7a, 0xde, 0x98, 0x90, 0x1c, 0xbf, 0xfe,
+        0xb5, 0xb1, 0x41, 0xdf, 0x2d, 0xfe, 0x80, 0x1e, 0xe2, 0x78, 0x50, 0xd0,
+        0x7b, 0xde, 0x9e, 0xb2};
 
 /* The following function is solely for the purpose of testing. It "wraps" a key
  * such that it can be unwrapped by the sample keybox implementation in Trusty
@@ -186,81 +186,80 @@
  * correctly i.e. such that the destination buffer (wrapped_keybox) is at least
  * one byte bigger than the source buffer (keybox_plaintext).
  */
-void keybox_wrap_for_test(const uint8_t *keybox_plaintext,
-                          size_t keybox_plaintext_len, uint8_t *wrapped_keybox,
+void keybox_wrap_for_test(const uint8_t* keybox_plaintext,
+                          size_t keybox_plaintext_len,
+                          uint8_t* wrapped_keybox,
                           size_t wrapped_keybox_buf_len,
-                          size_t *wrapped_keybox_len) {
-  /* Generate checksum */
-  uint8_t checksum = 0;
-  for (size_t i = 0; i < keybox_plaintext_len; i++) {
-    checksum ^= keybox_plaintext[i];
-  }
+                          size_t* wrapped_keybox_len) {
+    /* Generate checksum */
+    uint8_t checksum = 0;
+    for (size_t i = 0; i < keybox_plaintext_len; i++) {
+        checksum ^= keybox_plaintext[i];
+    }
 
-  /* Flip bits with masking byte */
-  for (size_t i = 0; i < keybox_plaintext_len; i++) {
-    wrapped_keybox[i] = keybox_plaintext[i] ^ 0x42;
-  }
+    /* Flip bits with masking byte */
+    for (size_t i = 0; i < keybox_plaintext_len; i++) {
+        wrapped_keybox[i] = keybox_plaintext[i] ^ 0x42;
+    }
 
-  *wrapped_keybox_len = keybox_plaintext_len + 1;
-  wrapped_keybox[keybox_plaintext_len] = checksum;
+    *wrapped_keybox_len = keybox_plaintext_len + 1;
+    wrapped_keybox[keybox_plaintext_len] = checksum;
 }
 
 TEST(CastAuthTest, ProvisionAndSignHash) {
-  int rc;
-  BpCastAuth cast_auth;
-  rc = cast_auth.connect(ICastAuth::PORT,
-                                 IPC_CONNECT_WAIT_FOR_PORT);
-  ASSERT_EQ(NO_ERROR, rc, "connect");
+    int rc;
+    BpCastAuth cast_auth;
+    rc = cast_auth.connect(ICastAuth::PORT, IPC_CONNECT_WAIT_FOR_PORT);
+    ASSERT_EQ(NO_ERROR, rc, "connect");
 
-  uint8_t wrapped_keybox[sizeof(test_pkcs1_der) + 1];
-  size_t wrapped_keybox_len;
-  keybox_wrap_for_test(test_pkcs1_der, sizeof(test_pkcs1_der), wrapped_keybox,
-                       sizeof(wrapped_keybox), &wrapped_keybox_len);
-  {
-    ::tidl::Payload prov_req(wrapped_keybox, wrapped_keybox_len);
-    rc = cast_auth.ProvisionKey(prov_req);
-    ASSERT_EQ(NO_ERROR, rc, "ProvisionKey");
-  }
-
-  {
-    ::tidl::Payload sign_req(test_hash, sizeof(test_hash));
-    uint8_t signature[256];
-    ::tidl::Payload sign_resp(signature, sizeof(signature));
-    rc = cast_auth.SignHash(sign_req, &sign_resp);
-    ASSERT_EQ(NO_ERROR, rc, "SignHash");
-    ASSERT_EQ(sign_resp.size(), sizeof(test_signature), "signature size");
-    for (unsigned int i = 0; i < sign_resp.size(); ++i) {
-      EXPECT_EQ(sign_resp.data()[i], test_signature[i], "signature diff");
+    uint8_t wrapped_keybox[sizeof(test_pkcs1_der) + 1];
+    size_t wrapped_keybox_len;
+    keybox_wrap_for_test(test_pkcs1_der, sizeof(test_pkcs1_der), wrapped_keybox,
+                         sizeof(wrapped_keybox), &wrapped_keybox_len);
+    {
+        ::tidl::Payload prov_req(wrapped_keybox, wrapped_keybox_len);
+        rc = cast_auth.ProvisionKey(prov_req);
+        ASSERT_EQ(NO_ERROR, rc, "ProvisionKey");
     }
-  }
+
+    {
+        ::tidl::Payload sign_req(test_hash, sizeof(test_hash));
+        uint8_t signature[256];
+        ::tidl::Payload sign_resp(signature, sizeof(signature));
+        rc = cast_auth.SignHash(sign_req, &sign_resp);
+        ASSERT_EQ(NO_ERROR, rc, "SignHash");
+        ASSERT_EQ(sign_resp.size(), sizeof(test_signature), "signature size");
+        for (unsigned int i = 0; i < sign_resp.size(); ++i) {
+            EXPECT_EQ(sign_resp.data()[i], test_signature[i], "signature diff");
+        }
+    }
 
 test_abort:;
 }
 
 TEST(CastAuthTest, ProvisionUnwrappedAndSignHash) {
-  int rc;
-  BpCastAuth cast_auth;
-  rc = cast_auth.connect(ICastAuth::PORT,
-                                 IPC_CONNECT_WAIT_FOR_PORT);
-  ASSERT_EQ(NO_ERROR, rc, "connect");
+    int rc;
+    BpCastAuth cast_auth;
+    rc = cast_auth.connect(ICastAuth::PORT, IPC_CONNECT_WAIT_FOR_PORT);
+    ASSERT_EQ(NO_ERROR, rc, "connect");
 
-  {
-    ::tidl::Payload prov_req(test_pkcs1_der, sizeof(test_pkcs1_der));
-    rc = cast_auth.ProvisionKey(prov_req);
-    ASSERT_EQ(NO_ERROR, rc, "ProvisionKey");
-  }
-
-  {
-    ::tidl::Payload sign_req(test_hash, sizeof(test_hash));
-    uint8_t signature[256];
-    ::tidl::Payload sign_resp(signature, sizeof(signature));
-    rc = cast_auth.SignHash(sign_req, &sign_resp);
-    ASSERT_EQ(NO_ERROR, rc, "SignHash");
-    ASSERT_EQ(sign_resp.size(), sizeof(test_signature), "signature size");
-    for (unsigned int i = 0; i < sign_resp.size(); ++i) {
-      EXPECT_EQ(sign_resp.data()[i], test_signature[i], "signature diff");
+    {
+        ::tidl::Payload prov_req(test_pkcs1_der, sizeof(test_pkcs1_der));
+        rc = cast_auth.ProvisionKey(prov_req);
+        ASSERT_EQ(NO_ERROR, rc, "ProvisionKey");
     }
-  }
+
+    {
+        ::tidl::Payload sign_req(test_hash, sizeof(test_hash));
+        uint8_t signature[256];
+        ::tidl::Payload sign_resp(signature, sizeof(signature));
+        rc = cast_auth.SignHash(sign_req, &sign_resp);
+        ASSERT_EQ(NO_ERROR, rc, "SignHash");
+        ASSERT_EQ(sign_resp.size(), sizeof(test_signature), "signature size");
+        for (unsigned int i = 0; i < sign_resp.size(); ++i) {
+            EXPECT_EQ(sign_resp.data()[i], test_signature[i], "signature diff");
+        }
+    }
 
 test_abort:;
 }