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Commit 1d524385 authored by Ilya Matyukhin's avatar Ilya Matyukhin
Browse files

IFingerprint: update default implementation 

Bug: 166800618
Test: atest VtsHalBiometricsFingerprintTargetTest
Change-Id: I0ac3a019081f4f5db6943fc019165ad1aa2e0bc8
parent 53bd75df

biometrics/fingerprint/aidl/default/include/FakeFingerprintEngine.h

+14 −2
Original line number Diff line number Diff line
@@ -17,14 +17,19 @@ 
#pragma once



#include <android-base/logging.h>

#include <random>



namespace aidl::android::hardware::biometrics::fingerprint {



class FakeFingerprintEngine {

  public:

    FakeFingerprintEngine() : mRandom(std::mt19937::default_seed) {}



    void generateChallengeImpl(ISessionCallback* cb) {

        LOG(INFO) << "generateChallengeImpl";

        cb->onChallengeGenerated(0 /* challenge */);

        std::uniform_int_distribution<int64_t> dist;

        auto challenge = dist(mRandom);

        cb->onChallengeGenerated(challenge);

    }



    void revokeChallengeImpl(ISessionCallback* cb, int64_t challenge) {
@@ -32,8 +37,13 @@ class FakeFingerprintEngine { 
        cb->onChallengeRevoked(challenge);

    }



    void enrollImpl(ISessionCallback* cb, const keymaster::HardwareAuthToken& /*hat*/) {

    void enrollImpl(ISessionCallback* cb, const keymaster::HardwareAuthToken& hat) {

        LOG(INFO) << "enrollImpl";

        // Do proper HAT verification in the real implementation.

        if (hat.mac.empty()) {

            cb->onError(Error::UNABLE_TO_PROCESS, 0 /* vendorError */);

            return;

        }

        cb->onEnrollmentProgress(0 /* enrollmentId */, 0 /* remaining */);

    }
@@ -71,6 +81,8 @@ class FakeFingerprintEngine { 
        LOG(INFO) << "resetLockoutImpl";

        cb->onLockoutCleared();

    }



    std::mt19937 mRandom;

};



}  // namespace aidl::android::hardware::biometrics::fingerprint