KeyMint VTS: strict test only for v2+

Bug: 223537775
Bug: 197096139
Test: VtsAidlKeyMintTargetTest
Change-Id: Ib77d52e4a91233c936b3a44f5eac71f53b2af450

2 files changed, 29 insertions, 0 deletions

diff --git a/security/keymint/aidl/vts/functional/AttestKeyTest.cpp b/security/keymint/aidl/vts/functional/AttestKeyTest.cpp
index 8a26b3cffb..0bab54c2a6 100644
--- a/security/keymint/aidl/vts/functional/AttestKeyTest.cpp
+++ b/security/keymint/aidl/vts/functional/AttestKeyTest.cpp
@@ -183,6 +183,14 @@ TEST_P(AttestKeyTest, AllRsaSizes) {
  * This test attempts to create an RSA attestation key that also allows signing.
  */
 TEST_P(AttestKeyTest, RsaAttestKeyMultiPurposeFail) {
+    if (AidlVersion() < 2) {
+        // The KeyMint v1 spec required that KeyPurpose::ATTEST_KEY not be combined
+        // with other key purposes.  However, this was not checked at the time
+        // so we can only be strict about checking this for implementations of KeyMint
+        // version 2 and above.
+        GTEST_SKIP() << "Single-purpose for KeyPurpose::ATTEST_KEY only strict since KeyMint v2";
+    }
+
     vector<uint8_t> attest_key_blob;
     vector<KeyCharacteristics> attest_key_characteristics;
     vector<Certificate> attest_key_cert_chain;
@@ -453,6 +461,13 @@ TEST_P(AttestKeyTest, EcAttestKeyChaining) {
  * This test attempts to create an EC attestation key that also allows signing.
  */
 TEST_P(AttestKeyTest, EcAttestKeyMultiPurposeFail) {
+    if (AidlVersion() < 2) {
+        // The KeyMint v1 spec required that KeyPurpose::ATTEST_KEY not be combined
+        // with other key purposes.  However, this was not checked at the time
+        // so we can only be strict about checking this for implementations of KeyMint
+        // version 2 and above.
+        GTEST_SKIP() << "Single-purpose for KeyPurpose::ATTEST_KEY only strict since KeyMint v2";
+    }
     vector<uint8_t> attest_key_blob;
     vector<KeyCharacteristics> attest_key_characteristics;
     vector<Certificate> attest_key_cert_chain;
diff --git a/security/keymint/aidl/vts/functional/KeyMintTest.cpp b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
index c734c373a7..1b1a1b42bd 100644
--- a/security/keymint/aidl/vts/functional/KeyMintTest.cpp
+++ b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
@@ -3821,6 +3821,13 @@ TEST_P(ImportKeyTest, RsaPublicExponentMismatch) {
  * Verifies that importing an RSA key pair with purpose ATTEST_KEY+SIGN fails.
  */
 TEST_P(ImportKeyTest, RsaAttestMultiPurposeFail) {
+    if (AidlVersion() < 2) {
+        // The KeyMint v1 spec required that KeyPurpose::ATTEST_KEY not be combined
+        // with other key purposes.  However, this was not checked at the time
+        // so we can only be strict about checking this for implementations of KeyMint
+        // version 2 and above.
+        GTEST_SKIP() << "Single-purpose for KeyPurpose::ATTEST_KEY only strict since KeyMint v2";
+    }
     uint32_t key_size = 2048;
     string key = rsa_2048_key;
 
@@ -3959,6 +3966,13 @@ TEST_P(ImportKeyTest, EcdsaCurveMismatch) {
  * Verifies that importing and using an ECDSA P-256 key pair with purpose ATTEST_KEY+SIGN fails.
  */
 TEST_P(ImportKeyTest, EcdsaAttestMultiPurposeFail) {
+    if (AidlVersion() < 2) {
+        // The KeyMint v1 spec required that KeyPurpose::ATTEST_KEY not be combined
+        // with other key purposes.  However, this was not checked at the time
+        // so we can only be strict about checking this for implementations of KeyMint
+        // version 2 and above.
+        GTEST_SKIP() << "Single-purpose for KeyPurpose::ATTEST_KEY only strict since KeyMint v2";
+    }
     ASSERT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE,
               ImportKey(AuthorizationSetBuilder()
                                 .Authorization(TAG_NO_AUTH_REQUIRED)