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Commit 396bc3f9 authored by Shawn Willden's avatar Shawn Willden
Browse files

Implement GetRootOfTrust 

Bug: 219076736
Test: VtsAidlKeyMintTargetTest
Change-Id: I8485360f253ca20f008c5df5090e79c1781fbb4f
parent bed6eea3

trusty/keymaster/TrustyKeymaster.cpp

+6 −0
Original line number Diff line number Diff line
@@ -279,4 +279,10 @@ ConfigureVendorPatchlevelResponse TrustyKeymaster::ConfigureVendorPatchlevel( 
    return response;

}



GetRootOfTrustResponse TrustyKeymaster::GetRootOfTrust(const GetRootOfTrustRequest& request) {

    GetRootOfTrustResponse response(message_version());

    ForwardCommand(KM_GET_ROOT_OF_TRUST, request, &response);

    return response;

}



}  // namespace keymaster

trusty/keymaster/include/trusty_keymaster/TrustyKeymaster.h

+1 −0
Original line number Diff line number Diff line
@@ -66,6 +66,7 @@ class TrustyKeymaster { 
    DeviceLockedResponse DeviceLocked(const DeviceLockedRequest& request);

    ConfigureVendorPatchlevelResponse ConfigureVendorPatchlevel(

            const ConfigureVendorPatchlevelRequest& request);

    GetRootOfTrustResponse GetRootOfTrust(const GetRootOfTrustRequest& request);



    uint32_t message_version() const { return message_version_; }

trusty/keymaster/include/trusty_keymaster/ipc/keymaster_ipc.h

+1 −0
Original line number Diff line number Diff line
@@ -59,6 +59,7 @@ enum keymaster_command : uint32_t { 
    KM_GENERATE_RKP_KEY             = (31 << KEYMASTER_REQ_SHIFT),

    KM_GENERATE_CSR                 = (32 << KEYMASTER_REQ_SHIFT),

    KM_CONFIGURE_VENDOR_PATCHLEVEL  = (33 << KEYMASTER_REQ_SHIFT),

    KM_GET_ROOT_OF_TRUST            = (34 << KEYMASTER_REQ_SHIFT),



    // Bootloader/provisioning calls.

    KM_SET_BOOT_PARAMS = (0x1000 << KEYMASTER_REQ_SHIFT),

trusty/keymaster/keymint/TrustyKeyMintDevice.cpp

+14 −3
Original line number Diff line number Diff line
@@ -325,9 +325,20 @@ ScopedAStatus TrustyKeyMintDevice::getRootOfTrustChallenge(array<uint8_t, 16>* / 
    return kmError2ScopedAStatus(KM_ERROR_UNIMPLEMENTED);

}



ScopedAStatus TrustyKeyMintDevice::getRootOfTrust(const array<uint8_t, 16>& /* challenge */,

                                                  vector<uint8_t>* /* rootOfTrust */) {

    return kmError2ScopedAStatus(KM_ERROR_UNIMPLEMENTED);

ScopedAStatus TrustyKeyMintDevice::getRootOfTrust(const array<uint8_t, 16>& challenge,

                                                  vector<uint8_t>* rootOfTrust) {

    if (!rootOfTrust) {

        return kmError2ScopedAStatus(KM_ERROR_UNEXPECTED_NULL_POINTER);

    }

    keymaster::GetRootOfTrustRequest request(impl_->message_version(),

                                             {challenge.begin(), challenge.end()});

    keymaster::GetRootOfTrustResponse response = impl_->GetRootOfTrust(request);

    if (response.error != KM_ERROR_OK) {

        return kmError2ScopedAStatus(response.error);

    }



    *rootOfTrust = std::move(response.rootOfTrust);

    return ScopedAStatus::ok();

}



ScopedAStatus TrustyKeyMintDevice::sendRootOfTrust(const vector<uint8_t>& /* rootOfTrust */) {