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      1 /*############################################################################
      2 # Copyright 2017 Intel Corporation
      3 #
      4 # Licensed under the Apache License, Version 2.0 (the "License");
      5 # you may not use this file except in compliance with the License.
      6 # You may obtain a copy of the License at
      7 #
      8 #     http://www.apache.org/licenses/LICENSE-2.0
      9 #
     10 # Unless required by applicable law or agreed to in writing, software
     11 # distributed under the License is distributed on an "AS IS" BASIS,
     12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 # See the License for the specific language governing permissions and
     14 # limitations under the License.
     15 ############################################################################*/
     16 /// Tpm2LoadExternal unit tests.
     17 /*! \file */
     18 
     19 #include <stdint.h>
     20 
     21 #include "epid/common-testhelper/epid2params_wrapper-testhelper.h"
     22 #include "epid/common-testhelper/errors-testhelper.h"
     23 #include "epid/common-testhelper/prng-testhelper.h"
     24 #include "epid/member/tpm2/unittests/tpm2-testhelper.h"
     25 #include "gtest/gtest.h"
     26 
     27 extern "C" {
     28 #include "epid/member/tpm2/load_external.h"
     29 }
     30 
     31 namespace {
     32 TEST_F(EpidTpm2Test, SetHashAlgFailsIfHashAlgNotSupported) {
     33   Prng my_prng;
     34   Epid2ParamsObj epid2params;
     35   FpElemStr f_str = this->kMemberFValue;
     36   Tpm2CtxObj ctx(&Prng::Generate, &my_prng, &f_str, epid2params);
     37   EXPECT_EQ(kEpidHashAlgorithmNotSupported, Tpm2SetHashAlg(ctx, kSha3_256));
     38   EXPECT_EQ(kEpidHashAlgorithmNotSupported, Tpm2SetHashAlg(ctx, kSha3_384));
     39   EXPECT_EQ(kEpidHashAlgorithmNotSupported, Tpm2SetHashAlg(ctx, kSha3_512));
     40 }
     41 //////////////////////////////////////////////////////////////////////////
     42 // Tpm2LoadExternal Tests
     43 TEST_F(EpidTpm2Test, LoadExternalFailsGivenNullParameters) {
     44   Prng my_prng;
     45   Epid2ParamsObj epid2params;
     46   FpElemStr f_str = this->kMemberFValue;
     47   Tpm2CtxObj ctx(&Prng::Generate, &my_prng, &f_str, epid2params);
     48   THROW_ON_EPIDERR(Tpm2SetHashAlg(ctx, kSha256));
     49   EXPECT_EQ(kEpidBadArgErr, Tpm2LoadExternal(nullptr, &f_str));
     50   EXPECT_EQ(kEpidBadArgErr, Tpm2LoadExternal(ctx, nullptr));
     51 }
     52 TEST_F(EpidTpm2Test, LoadExternalCanLoadFValueSha256) {
     53   Prng my_prng;
     54   Epid2ParamsObj epid2params;
     55   FpElemStr f_str = this->kMemberFValue;
     56   Tpm2CtxObj ctx(&Prng::Generate, &my_prng, &f_str, epid2params);
     57   THROW_ON_EPIDERR(Tpm2SetHashAlg(ctx, kSha256));
     58   EXPECT_EQ(kEpidNoErr, Tpm2LoadExternal(ctx, &f_str));
     59 }
     60 }  // namespace
     61