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 /// TPM Context unit tests. 17 /*! \file */ 18 19 #include <limits.h> 20 #include <stdint.h> 21 #include "gtest/gtest.h" 22 23 #include "epid/common-testhelper/epid2params_wrapper-testhelper.h" 24 #include "epid/member/tpm2/unittests/tpm2-testhelper.h" 25 26 extern "C" { 27 #include "epid/member/tpm2/context.h" 28 #include "epid/member/tpm2/getrandom.h" 29 } 30 31 namespace { 32 33 TEST_F(EpidTpm2Test, GetRandomOnTssReturnsDifferentBufs) { 34 Epid2ParamsObj epid2params; 35 Tpm2CtxObj tss(nullptr, nullptr, nullptr, epid2params); 36 size_t length = 10; 37 std::vector<uint8_t> buf1(length, (uint8_t)0); 38 std::vector<uint8_t> buf2(length, (uint8_t)0); 39 EXPECT_EQ(kEpidNoErr, Tpm2GetRandom(tss, length * CHAR_BIT, buf1.data())); 40 EXPECT_EQ(kEpidNoErr, Tpm2GetRandom(tss, length * CHAR_BIT, buf2.data())); 41 EXPECT_NE(buf1, buf2); 42 } 43 44 } // namespace 45