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Prevent optimizations

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This commit is contained in:
Manuel Thalmann 2023-12-12 19:23:10 +01:00
parent ba48c564ce
commit ff140ca40e
1 changed files with 3 additions and 2 deletions
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5
aes-32bit/aes.cpp
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@ -188,6 +188,8 @@ void aes(uint8_t *in, uint8_t *out, uint8_t *skey)
int main(int argc, char* argv[]) int main(int argc, char* argv[])
{ {
uint32_t cycles = 1000000; uint32_t cycles = 1000000;
uint8_t key[16] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
uint8_t in[16] = { 0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67, 0x89};
if (argc > 2) { if (argc > 2) {
std::cerr << "Invalid number of arguments\n"; std::cerr << "Invalid number of arguments\n";
@ -199,8 +201,6 @@ int main(int argc, char* argv[])
const auto start{std::chrono::steady_clock::now()}; const auto start{std::chrono::steady_clock::now()};
{ {
for (int i = 0; i < cycles; i++) { for (int i = 0; i < cycles; i++) {
uint8_t key[16] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
uint8_t in[16] = { 0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67, 0x89};
aes(in, in, key); aes(in, in, key);
} }
} }
@ -210,4 +210,5 @@ int main(int argc, char* argv[])
std::cout << "AES (" << cycles << " runs)\nElapsed time: "; std::cout << "AES (" << cycles << " runs)\nElapsed time: ";
std::cout << milliseconds << "ms\n"; // Before C++20 std::cout << milliseconds << "ms\n"; // Before C++20
exit(in[0]);
} }