commit 873d889730a3159aa7749674aa8db745d9aac61d
author Max Bires <jbires@google.com> Fri Feb 08 12:29:58 2019 -0800
committer Nagendra Modadugu <ngm@google.com> Thu Apr 11 15:17:19 2019 +0000
tree bccf5e63ea3217dfb533497abed90643bf954bf4
parent 092c9f5e80bc431f5d7b55c7b540c7b661b6d646

Expanding VTS test coverage

Keymaster VTS test coverage on 4.0 was incomplete. This significantly
expands the coverage of the spec. The bugs listed are errors found that
these tests will cover, but are not indicative of the complete set of
things tested.

Test: atest VtsHalKeymasterV4_0TargetTest
Bug: 79953279
Bug: 119553313
Bug: 119541233
Bug: 119396995
Bug: 119542230
Bug: 119549128
Bug: 119549677
Bug: 122184852
Bug: 122261372
Change-Id: I42d78091b48398597bbebe1d9c91b806494ddf4c
(cherry picked from commit 8c0edf6c84253afb4500a386b83c858e94331d32)

keymaster/4.0/vts/functional/KeymasterHidlTest.cpp

diff --git a/keymaster/4.0/vts/functional/KeymasterHidlTest.cpp b/keymaster/4.0/vts/functional/KeymasterHidlTest.cpp
index 995ae4f..a7b6c98 100644
--- a/keymaster/4.0/vts/functional/KeymasterHidlTest.cpp
+++ b/keymaster/4.0/vts/functional/KeymasterHidlTest.cpp
@@ -16,6 +16,7 @@
 
 #include "KeymasterHidlTest.h"
 
+#include <chrono>
 #include <vector>
 
 #include <android-base/logging.h>
@@ -206,6 +207,47 @@
     CheckedDeleteKey(&key_blob_);
 }
 
+void KeymasterHidlTest::CheckCreationDateTime(
+        const AuthorizationSet& sw_enforced,
+        std::chrono::time_point<std::chrono::system_clock> creation) {
+    for (int i = 0; i < sw_enforced.size(); i++) {
+        if (sw_enforced[i].tag == TAG_CREATION_DATETIME) {
+            std::chrono::time_point<std::chrono::system_clock> now =
+                    std::chrono::system_clock::now();
+            std::chrono::time_point<std::chrono::system_clock> reported_time{
+                    std::chrono::milliseconds(sw_enforced[i].f.dateTime)};
+            // The test is flaky for EC keys, so a buffer time of 1 second will be added.
+            EXPECT_LE(creation - 1s, reported_time);
+            EXPECT_LE(reported_time, now + 1s);
+        }
+    }
+}
+
+void KeymasterHidlTest::CheckGetCharacteristics(const HidlBuf& key_blob, const HidlBuf& client_id,
+                                                const HidlBuf& app_data,
+                                                KeyCharacteristics* key_characteristics) {
+    HidlBuf empty_buf = {};
+    EXPECT_EQ(ErrorCode::OK,
+              GetCharacteristics(key_blob, client_id, app_data, key_characteristics));
+    EXPECT_GT(key_characteristics->hardwareEnforced.size(), 0);
+    EXPECT_GT(key_characteristics->softwareEnforced.size(), 0);
+
+    EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+              GetCharacteristics(key_blob, empty_buf, app_data, key_characteristics));
+    EXPECT_EQ(key_characteristics->hardwareEnforced.size(), 0);
+    EXPECT_EQ(key_characteristics->softwareEnforced.size(), 0);
+
+    EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+              GetCharacteristics(key_blob, client_id, empty_buf, key_characteristics));
+    EXPECT_EQ(key_characteristics->hardwareEnforced.size(), 0);
+    EXPECT_EQ(key_characteristics->softwareEnforced.size(), 0);
+
+    EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+              GetCharacteristics(key_blob, empty_buf, empty_buf, key_characteristics));
+    EXPECT_EQ(key_characteristics->hardwareEnforced.size(), 0);
+    EXPECT_EQ(key_characteristics->softwareEnforced.size(), 0);
+}
+
 ErrorCode KeymasterHidlTest::GetCharacteristics(const HidlBuf& key_blob, const HidlBuf& client_id,
                                                 const HidlBuf& app_data,
                                                 KeyCharacteristics* key_characteristics) {