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Merge "More KeyMint VTS testcases"

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This commit is contained in:
David Drysdale
2021-05-04 08:00:41 +00:00
committed by Gerrit Code Review
parent a3645d38e9 d2cc8c2c5e
commit 3368b3c6b0
5 changed files with 1092 additions and 200 deletions
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3
security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl
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@@ -275,8 +275,7 @@ interface IKeyMintDevice {
*
* o Tag::RSA_PUBLIC_EXPONENT specifies the RSA public exponent value. If omitted, generateKey
* must return ErrorCode::INVALID_ARGUMENT. The values 3 and 65537 must be supported. It is
* recommended to support all prime values up to 2^64. If provided with a non-prime value,
* generateKey must return ErrorCode::INVALID_ARGUMENT.
* recommended to support all prime values up to 2^64.
*
* The following parameters are not necessary to generate a usable RSA key, but generateKey must
* not return an error if they are omitted:

57
security/keymint/aidl/vts/functional/AttestKeyTest.cpp
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@@ -124,16 +124,18 @@ TEST_P(AttestKeyTest, AllRsaSizes) {
EXPECT_EQ(attested_key_cert_chain.size(), 2);
/*
* Use attestation key to sign EC key
* Use attestation key to sign EC key. Specify a CREATION_DATETIME for this one.
*/
attested_key_characteristics.resize(0);
attested_key_cert_chain.resize(0);
uint64_t timestamp = 1619621648000;
EXPECT_EQ(ErrorCode::OK,
GenerateKey(AuthorizationSetBuilder()
.EcdsaSigningKey(EcCurve::P_256)
.Authorization(TAG_NO_AUTH_REQUIRED)
.AttestationChallenge("foo")
.AttestationApplicationId("bar")
.Authorization(TAG_CREATION_DATETIME, timestamp)
.SetDefaultValidity(),
attest_key, &attested_key_blob, &attested_key_characteristics,
&attested_key_cert_chain));
@@ -143,6 +145,12 @@ TEST_P(AttestKeyTest, AllRsaSizes) {
hw_enforced = HwEnforcedAuthorizations(attested_key_characteristics);
sw_enforced = SwEnforcedAuthorizations(attested_key_characteristics);
// The client-specified CREATION_DATETIME should be in sw_enforced.
// Its presence will also trigger verify_attestation_record() to check that it
// is in the attestation extension with a matching value.
EXPECT_TRUE(sw_enforced.Contains(TAG_CREATION_DATETIME, timestamp))
<< "expected CREATION_TIMESTAMP in sw_enforced:" << sw_enforced
<< " not in hw_enforced:" << hw_enforced;
EXPECT_TRUE(verify_attestation_record("foo", "bar", sw_enforced, hw_enforced, SecLevel(),
attested_key_cert_chain[0].encodedCertificate));
@@ -479,6 +487,53 @@ TEST_P(AttestKeyTest, AlternateAttestKeyChaining) {
}
}
TEST_P(AttestKeyTest, MissingChallenge) {
for (auto size : ValidKeySizes(Algorithm::RSA)) {
/*
* Create attestation key.
*/
AttestationKey attest_key;
vector<KeyCharacteristics> attest_key_characteristics;
vector<Certificate> attest_key_cert_chain;
ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(size, 65537)
.AttestKey()
.SetDefaultValidity(),
{} /* attestation signing key */, &attest_key.keyBlob,
&attest_key_characteristics, &attest_key_cert_chain));
EXPECT_EQ(attest_key_cert_chain.size(), 1);
EXPECT_TRUE(IsSelfSigned(attest_key_cert_chain)) << "Failed on size " << size;
/*
* Use attestation key to sign RSA / ECDSA key but forget to provide a challenge
*/
attest_key.issuerSubjectName = make_name_from_str("Android Keystore Key");
vector<uint8_t> attested_key_blob;
vector<KeyCharacteristics> attested_key_characteristics;
vector<Certificate> attested_key_cert_chain;
EXPECT_EQ(ErrorCode::INVALID_ARGUMENT,
GenerateKey(AuthorizationSetBuilder()
.RsaSigningKey(2048, 65537)
.Authorization(TAG_NO_AUTH_REQUIRED)
.AttestationApplicationId("bar")
.SetDefaultValidity(),
attest_key, &attested_key_blob, &attested_key_characteristics,
&attested_key_cert_chain));
EXPECT_EQ(ErrorCode::INVALID_ARGUMENT,
GenerateKey(AuthorizationSetBuilder()
.EcdsaSigningKey(EcCurve::P_256)
.Authorization(TAG_NO_AUTH_REQUIRED)
.AttestationApplicationId("bar")
.SetDefaultValidity(),
attest_key, &attested_key_blob, &attested_key_characteristics,
&attested_key_cert_chain));
CheckedDeleteKey(&attest_key.keyBlob);
}
}
TEST_P(AttestKeyTest, AllEcCurves) {
for (auto curve : ValidCurves()) {
/*

24
security/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp
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@@ -167,6 +167,7 @@ void KeyMintAidlTestBase::InitializeKeyMint(std::shared_ptr<IKeyMintDevice> keyM
securityLevel_ = info.securityLevel;
name_.assign(info.keyMintName.begin(), info.keyMintName.end());
author_.assign(info.keyMintAuthorName.begin(), info.keyMintAuthorName.end());
timestamp_token_required_ = info.timestampTokenRequired;
os_version_ = getOsVersion();
os_patch_level_ = getOsPatchlevel();
@@ -273,7 +274,8 @@ ErrorCode KeyMintAidlTestBase::ImportKey(const AuthorizationSet& key_desc, KeyFo
ErrorCode KeyMintAidlTestBase::ImportWrappedKey(string wrapped_key, string wrapping_key,
const AuthorizationSet& wrapping_key_desc,
string masking_key,
const AuthorizationSet& unwrapping_params) {
const AuthorizationSet& unwrapping_params,
int64_t password_sid, int64_t biometric_sid) {
EXPECT_EQ(ErrorCode::OK, ImportKey(wrapping_key_desc, KeyFormat::PKCS8, wrapping_key));
key_characteristics_.clear();
@@ -282,8 +284,7 @@ ErrorCode KeyMintAidlTestBase::ImportWrappedKey(string wrapped_key, string wrapp
Status result = keymint_->importWrappedKey(
vector<uint8_t>(wrapped_key.begin(), wrapped_key.end()), key_blob_,
vector<uint8_t>(masking_key.begin(), masking_key.end()),
unwrapping_params.vector_data(), 0 /* passwordSid */, 0 /* biometricSid */,
&creationResult);
unwrapping_params.vector_data(), password_sid, biometric_sid, &creationResult);
if (result.isOk()) {
EXPECT_PRED2(KeyCharacteristicsBasicallyValid, SecLevel(),
@@ -332,6 +333,11 @@ ErrorCode KeyMintAidlTestBase::DeleteAllKeys() {
return GetReturnErrorCode(result);
}
ErrorCode KeyMintAidlTestBase::DestroyAttestationIds() {
Status result = keymint_->destroyAttestationIds();
return GetReturnErrorCode(result);
}
void KeyMintAidlTestBase::CheckedDeleteKey(vector<uint8_t>* key_blob, bool keep_key_blob) {
ErrorCode result = DeleteKey(key_blob, keep_key_blob);
EXPECT_TRUE(result == ErrorCode::OK || result == ErrorCode::UNIMPLEMENTED) << result << endl;
@@ -654,6 +660,18 @@ string KeyMintAidlTestBase::EncryptMessage(const string& message, BlockMode bloc
return ciphertext;
}
string KeyMintAidlTestBase::EncryptMessage(const string& message, BlockMode block_mode,
PaddingMode padding, uint8_t mac_length_bits) {
SCOPED_TRACE("EncryptMessage");
auto params = AuthorizationSetBuilder()
.BlockMode(block_mode)
.Padding(padding)
.Authorization(TAG_MAC_LENGTH, mac_length_bits);
AuthorizationSet out_params;
string ciphertext = EncryptMessage(message, params, &out_params);
return ciphertext;
}
string KeyMintAidlTestBase::DecryptMessage(const vector<uint8_t>& key_blob,
const string& ciphertext,
const AuthorizationSet& params) {

14
security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
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@@ -95,13 +95,22 @@ class KeyMintAidlTestBase : public ::testing::TestWithParam<string> {
ErrorCode ImportWrappedKey(string wrapped_key, string wrapping_key,
const AuthorizationSet& wrapping_key_desc, string masking_key,
const AuthorizationSet& unwrapping_params);
const AuthorizationSet& unwrapping_params, int64_t password_sid,
int64_t biometric_sid);
ErrorCode ImportWrappedKey(string wrapped_key, string wrapping_key,
const AuthorizationSet& wrapping_key_desc, string masking_key,
const AuthorizationSet& unwrapping_params) {
return ImportWrappedKey(wrapped_key, wrapping_key, wrapping_key_desc, masking_key,
unwrapping_params, 0 /* password_sid */, 0 /* biometric_sid */);
}
ErrorCode DeleteKey(vector<uint8_t>* key_blob, bool keep_key_blob = false);
ErrorCode DeleteKey(bool keep_key_blob = false);
ErrorCode DeleteAllKeys();
ErrorCode DestroyAttestationIds();
void CheckedDeleteKey(vector<uint8_t>* key_blob, bool keep_key_blob = false);
void CheckedDeleteKey();
@@ -166,6 +175,8 @@ class KeyMintAidlTestBase : public ::testing::TestWithParam<string> {
const vector<uint8_t>& iv_in);
string EncryptMessage(const string& message, BlockMode block_mode, PaddingMode padding,
uint8_t mac_length_bits, const vector<uint8_t>& iv_in);
string EncryptMessage(const string& message, BlockMode block_mode, PaddingMode padding,
uint8_t mac_length_bits);
string DecryptMessage(const vector<uint8_t>& key_blob, const string& ciphertext,
const AuthorizationSet& params);
@@ -268,6 +279,7 @@ class KeyMintAidlTestBase : public ::testing::TestWithParam<string> {
uint32_t os_version_;
uint32_t os_patch_level_;
uint32_t vendor_patch_level_;
bool timestamp_token_required_;
SecurityLevel securityLevel_;
string name_;

1194
security/keymint/aidl/vts/functional/KeyMintTest.cpp
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