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Test that the password isn't truncated

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Test that Gatekeeper doesn't truncate passwords, either due to them
containing NUL bytes or being long.

Bug: 238919794
Test: atest VtsHalGatekeeperV1_0TargetTest # on Cuttlefish
Change-Id: I8dd40c66bbe5cd8d309a6461053389b479fa0745
This commit is contained in:
Eric Biggers
2022-07-13 20:44:22 +00:00
parent 6a9f697dfe
commit 1396f237d1
1 changed files with 41 additions and 0 deletions
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41
gatekeeper/1.0/vts/functional/VtsHalGatekeeperV1_0TargetTest.cpp
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@@ -243,6 +243,47 @@ TEST_P(GatekeeperHidlTest, VerifySuccess) {
ALOGI("Testing Enroll+Verify done");
}
/**
* Ensure that passwords containing a NUL byte aren't truncated
*/
TEST_P(GatekeeperHidlTest, PasswordIsBinaryData) {
GatekeeperResponse enrollRsp;
GatekeeperResponse verifyRsp;
hidl_vec<uint8_t> rightPassword = {'A', 'B', 'C', '\0', 'D', 'E', 'F'};
hidl_vec<uint8_t> wrongPassword = {'A', 'B', 'C', '\0', '\0', '\0', '\0'};
ALOGI("Testing Enroll+Verify of password with embedded NUL (expected success)");
enrollNewPassword(rightPassword, enrollRsp, true);
verifyPassword(rightPassword, enrollRsp.data, 1, verifyRsp, true);
ALOGI("Testing Verify of wrong password (expected failure)");
verifyPassword(wrongPassword, enrollRsp.data, 1, verifyRsp, false);
ALOGI("PasswordIsBinaryData test done");
}
/**
* Ensure that long passwords aren't truncated
*/
TEST_P(GatekeeperHidlTest, LongPassword) {
GatekeeperResponse enrollRsp;
GatekeeperResponse verifyRsp;
hidl_vec<uint8_t> password;
password.resize(64); // maximum length used by Android
memset(password.data(), 'A', password.size());
ALOGI("Testing Enroll+Verify of long password (expected success)");
enrollNewPassword(password, enrollRsp, true);
verifyPassword(password, enrollRsp.data, 1, verifyRsp, true);
ALOGI("Testing Verify of wrong password (expected failure)");
password[password.size() - 1] ^= 1;
verifyPassword(password, enrollRsp.data, 1, verifyRsp, false);
ALOGI("LongPassword test done");
}
/**
* Ensure we can securely update password (keep the same
* secure user_id) if we prove we know old password