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Merge "Request rollback resistance for FBE keys."

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am: aae52f4816

Change-Id: Ie2143da9b9b1d2e76faa958d1a04d2be6b0045e7
This commit is contained in:
Shawn Willden 2019-09-12 09:29:15 -07:00 committed by android-build-merger
commit 0b895c13bc
1 changed files with 7 additions and 1 deletions
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8
KeyStorage.cpp
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@ -126,7 +126,13 @@ static bool generateKeymasterKey(Keymaster& keymaster, const KeyAuthentication&
paramBuilder.Authorization(km::TAG_USER_AUTH_TYPE, km::HardwareAuthenticatorType::PASSWORD);
paramBuilder.Authorization(km::TAG_AUTH_TIMEOUT, AUTH_TIMEOUT);
}
return keymaster.generateKey(paramBuilder, key);
auto paramsWithRollback = paramBuilder;
paramsWithRollback.Authorization(km::TAG_ROLLBACK_RESISTANCE);
// Generate rollback-resistant key if possible.
return keymaster.generateKey(paramsWithRollback, key) ||
keymaster.generateKey(paramBuilder, key);
}
static std::pair<km::AuthorizationSet, km::HardwareAuthToken> beginParams(