Merge "KeyMint VTS: cope with ATTEST_KEY +/- SIGN"

This commit is contained in:
David Drysdale
2022-06-17 06:05:13 +00:00
committed by Gerrit Code Review

View File

@@ -16,6 +16,7 @@
#define LOG_TAG "keymint_1_attest_key_test"
#include <cutils/log.h>
#include <cutils/properties.h>
#include <keymint_support/key_param_output.h>
#include <keymint_support/openssl_utils.h>
@@ -33,7 +34,33 @@ bool IsSelfSigned(const vector<Certificate>& chain) {
} // namespace
using AttestKeyTest = KeyMintAidlTestBase;
class AttestKeyTest : public KeyMintAidlTestBase {
protected:
ErrorCode GenerateAttestKey(const AuthorizationSet& key_desc,
const optional<AttestationKey>& attest_key,
vector<uint8_t>* key_blob,
vector<KeyCharacteristics>* key_characteristics,
vector<Certificate>* cert_chain) {
// The original specification for KeyMint v1 required ATTEST_KEY not be combined
// with any other key purpose, but the original VTS tests incorrectly did exactly that.
// This means that a device that launched prior to Android T (API level 33) may
// accept or even require KeyPurpose::SIGN too.
if (property_get_int32("ro.board.first_api_level", 0) < 33) {
AuthorizationSet key_desc_plus_sign = key_desc;
key_desc_plus_sign.push_back(TAG_PURPOSE, KeyPurpose::SIGN);
auto result = GenerateKey(key_desc_plus_sign, attest_key, key_blob, key_characteristics,
cert_chain);
if (result == ErrorCode::OK) {
return result;
}
// If the key generation failed, it may be because the device is (correctly)
// rejecting the combination of ATTEST_KEY+SIGN. Fall through to try again with
// just ATTEST_KEY.
}
return GenerateKey(key_desc, attest_key, key_blob, key_characteristics, cert_chain);
}
};
/*
* AttestKeyTest.AllRsaSizes
@@ -49,12 +76,13 @@ TEST_P(AttestKeyTest, AllRsaSizes) {
AttestationKey attest_key;
vector<KeyCharacteristics> attest_key_characteristics;
vector<Certificate> attest_key_cert_chain;
ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
.RsaKey(size, 65537)
.AttestKey()
.SetDefaultValidity(),
{} /* attestation signing key */, &attest_key.keyBlob,
&attest_key_characteristics, &attest_key_cert_chain));
ASSERT_EQ(ErrorCode::OK,
GenerateAttestKey(AuthorizationSetBuilder()
.RsaKey(size, 65537)
.AttestKey()
.SetDefaultValidity(),
{} /* attestation signing key */, &attest_key.keyBlob,
&attest_key_characteristics, &attest_key_cert_chain));
ASSERT_GT(attest_key_cert_chain.size(), 0);
EXPECT_EQ(attest_key_cert_chain.size(), 1);
@@ -227,17 +255,17 @@ TEST_P(AttestKeyTest, RsaAttestedAttestKeys) {
AttestationKey attest_key;
vector<KeyCharacteristics> attest_key_characteristics;
vector<Certificate> attest_key_cert_chain;
auto result = GenerateKey(AuthorizationSetBuilder()
.RsaKey(2048, 65537)
.AttestKey()
.AttestationChallenge(challenge)
.AttestationApplicationId(app_id)
.Authorization(TAG_CERTIFICATE_SERIAL, serial_blob)
.Authorization(TAG_CERTIFICATE_SUBJECT, subject_der)
.Authorization(TAG_NO_AUTH_REQUIRED)
.SetDefaultValidity(),
{} /* attestation signing key */, &attest_key.keyBlob,
&attest_key_characteristics, &attest_key_cert_chain);
auto result = GenerateAttestKey(AuthorizationSetBuilder()
.RsaKey(2048, 65537)
.AttestKey()
.AttestationChallenge(challenge)
.AttestationApplicationId(app_id)
.Authorization(TAG_CERTIFICATE_SERIAL, serial_blob)
.Authorization(TAG_CERTIFICATE_SUBJECT, subject_der)
.Authorization(TAG_NO_AUTH_REQUIRED)
.SetDefaultValidity(),
{} /* attestation signing key */, &attest_key.keyBlob,
&attest_key_characteristics, &attest_key_cert_chain);
// Strongbox may not support factory provisioned attestation key.
if (SecLevel() == SecurityLevel::STRONGBOX) {
if (result == ErrorCode::ATTESTATION_KEYS_NOT_PROVISIONED) return;
@@ -331,17 +359,17 @@ TEST_P(AttestKeyTest, RsaAttestKeyChaining) {
attest_key_opt = attest_key;
}
auto result = GenerateKey(AuthorizationSetBuilder()
.RsaKey(2048, 65537)
.AttestKey()
.AttestationChallenge("foo")
.AttestationApplicationId("bar")
.Authorization(TAG_NO_AUTH_REQUIRED)
.Authorization(TAG_CERTIFICATE_SERIAL, serial_blob)
.Authorization(TAG_CERTIFICATE_SUBJECT, subject_der)
.SetDefaultValidity(),
attest_key_opt, &key_blob_list[i], &attested_key_characteristics,
&cert_chain_list[i]);
auto result = GenerateAttestKey(AuthorizationSetBuilder()
.RsaKey(2048, 65537)
.AttestKey()
.AttestationChallenge("foo")
.AttestationApplicationId("bar")
.Authorization(TAG_NO_AUTH_REQUIRED)
.Authorization(TAG_CERTIFICATE_SERIAL, serial_blob)
.Authorization(TAG_CERTIFICATE_SUBJECT, subject_der)
.SetDefaultValidity(),
attest_key_opt, &key_blob_list[i],
&attested_key_characteristics, &cert_chain_list[i]);
// Strongbox may not support factory provisioned attestation key.
if (SecLevel() == SecurityLevel::STRONGBOX) {
if (result == ErrorCode::ATTESTATION_KEYS_NOT_PROVISIONED) return;
@@ -408,17 +436,17 @@ TEST_P(AttestKeyTest, EcAttestKeyChaining) {
attest_key_opt = attest_key;
}
auto result = GenerateKey(AuthorizationSetBuilder()
.EcdsaKey(EcCurve::P_256)
.AttestKey()
.AttestationChallenge("foo")
.AttestationApplicationId("bar")
.Authorization(TAG_CERTIFICATE_SERIAL, serial_blob)
.Authorization(TAG_CERTIFICATE_SUBJECT, subject_der)
.Authorization(TAG_NO_AUTH_REQUIRED)
.SetDefaultValidity(),
attest_key_opt, &key_blob_list[i], &attested_key_characteristics,
&cert_chain_list[i]);
auto result = GenerateAttestKey(AuthorizationSetBuilder()
.EcdsaKey(EcCurve::P_256)
.AttestKey()
.AttestationChallenge("foo")
.AttestationApplicationId("bar")
.Authorization(TAG_CERTIFICATE_SERIAL, serial_blob)
.Authorization(TAG_CERTIFICATE_SUBJECT, subject_der)
.Authorization(TAG_NO_AUTH_REQUIRED)
.SetDefaultValidity(),
attest_key_opt, &key_blob_list[i],
&attested_key_characteristics, &cert_chain_list[i]);
// Strongbox may not support factory provisioned attestation key.
if (SecLevel() == SecurityLevel::STRONGBOX) {
if (result == ErrorCode::ATTESTATION_KEYS_NOT_PROVISIONED) return;
@@ -513,29 +541,29 @@ TEST_P(AttestKeyTest, AlternateAttestKeyChaining) {
}
ErrorCode result;
if ((i & 0x1) == 1) {
result = GenerateKey(AuthorizationSetBuilder()
.EcdsaKey(EcCurve::P_256)
.AttestKey()
.AttestationChallenge("foo")
.AttestationApplicationId("bar")
.Authorization(TAG_CERTIFICATE_SERIAL, serial_blob)
.Authorization(TAG_CERTIFICATE_SUBJECT, subject_der)
.Authorization(TAG_NO_AUTH_REQUIRED)
.SetDefaultValidity(),
attest_key_opt, &key_blob_list[i], &attested_key_characteristics,
&cert_chain_list[i]);
result = GenerateAttestKey(AuthorizationSetBuilder()
.EcdsaKey(EcCurve::P_256)
.AttestKey()
.AttestationChallenge("foo")
.AttestationApplicationId("bar")
.Authorization(TAG_CERTIFICATE_SERIAL, serial_blob)
.Authorization(TAG_CERTIFICATE_SUBJECT, subject_der)
.Authorization(TAG_NO_AUTH_REQUIRED)
.SetDefaultValidity(),
attest_key_opt, &key_blob_list[i],
&attested_key_characteristics, &cert_chain_list[i]);
} else {
result = GenerateKey(AuthorizationSetBuilder()
.RsaKey(2048, 65537)
.AttestKey()
.AttestationChallenge("foo")
.AttestationApplicationId("bar")
.Authorization(TAG_CERTIFICATE_SERIAL, serial_blob)
.Authorization(TAG_CERTIFICATE_SUBJECT, subject_der)
.Authorization(TAG_NO_AUTH_REQUIRED)
.SetDefaultValidity(),
attest_key_opt, &key_blob_list[i], &attested_key_characteristics,
&cert_chain_list[i]);
result = GenerateAttestKey(AuthorizationSetBuilder()
.RsaKey(2048, 65537)
.AttestKey()
.AttestationChallenge("foo")
.AttestationApplicationId("bar")
.Authorization(TAG_CERTIFICATE_SERIAL, serial_blob)
.Authorization(TAG_CERTIFICATE_SUBJECT, subject_der)
.Authorization(TAG_NO_AUTH_REQUIRED)
.SetDefaultValidity(),
attest_key_opt, &key_blob_list[i],
&attested_key_characteristics, &cert_chain_list[i]);
}
// Strongbox may not support factory provisioned attestation key.
if (SecLevel() == SecurityLevel::STRONGBOX) {
@@ -581,12 +609,13 @@ TEST_P(AttestKeyTest, MissingChallenge) {
AttestationKey attest_key;
vector<KeyCharacteristics> attest_key_characteristics;
vector<Certificate> attest_key_cert_chain;
ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
.RsaKey(size, 65537)
.AttestKey()
.SetDefaultValidity(),
{} /* attestation signing key */, &attest_key.keyBlob,
&attest_key_characteristics, &attest_key_cert_chain));
ASSERT_EQ(ErrorCode::OK,
GenerateAttestKey(AuthorizationSetBuilder()
.RsaKey(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;
@@ -630,7 +659,7 @@ TEST_P(AttestKeyTest, AllEcCurves) {
vector<Certificate> attest_key_cert_chain;
ASSERT_EQ(
ErrorCode::OK,
GenerateKey(
GenerateAttestKey(
AuthorizationSetBuilder().EcdsaKey(curve).AttestKey().SetDefaultValidity(),
{} /* attestation signing key */, &attest_key.keyBlob,
&attest_key_characteristics, &attest_key_cert_chain));
@@ -752,12 +781,13 @@ TEST_P(AttestKeyTest, EcdsaAttestationID) {
AttestationKey attest_key;
vector<KeyCharacteristics> attest_key_characteristics;
vector<Certificate> attest_key_cert_chain;
ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
.EcdsaKey(EcCurve::P_256)
.AttestKey()
.SetDefaultValidity(),
{} /* attestation signing key */, &attest_key.keyBlob,
&attest_key_characteristics, &attest_key_cert_chain));
ASSERT_EQ(ErrorCode::OK,
GenerateAttestKey(AuthorizationSetBuilder()
.EcdsaKey(EcCurve::P_256)
.AttestKey()
.SetDefaultValidity(),
{} /* attestation signing key */, &attest_key.keyBlob,
&attest_key_characteristics, &attest_key_cert_chain));
attest_key.issuerSubjectName = make_name_from_str("Android Keystore Key");
ASSERT_GT(attest_key_cert_chain.size(), 0);
EXPECT_EQ(attest_key_cert_chain.size(), 1);
@@ -816,12 +846,13 @@ TEST_P(AttestKeyTest, EcdsaAttestationMismatchID) {
AttestationKey attest_key;
vector<KeyCharacteristics> attest_key_characteristics;
vector<Certificate> attest_key_cert_chain;
ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
.EcdsaKey(EcCurve::P_256)
.AttestKey()
.SetDefaultValidity(),
{} /* attestation signing key */, &attest_key.keyBlob,
&attest_key_characteristics, &attest_key_cert_chain));
ASSERT_EQ(ErrorCode::OK,
GenerateAttestKey(AuthorizationSetBuilder()
.EcdsaKey(EcCurve::P_256)
.AttestKey()
.SetDefaultValidity(),
{} /* attestation signing key */, &attest_key.keyBlob,
&attest_key_characteristics, &attest_key_cert_chain));
attest_key.issuerSubjectName = make_name_from_str("Android Keystore Key");
ASSERT_GT(attest_key_cert_chain.size(), 0);
EXPECT_EQ(attest_key_cert_chain.size(), 1);