43 lines
1.0 KiB
C++
43 lines
1.0 KiB
C++
#include "../hmac_sha256.h"
|
|
|
|
#include <vector>
|
|
#include <string>
|
|
#include <iostream>
|
|
#include <sstream>
|
|
#include <iomanip>
|
|
#include <cassert>
|
|
|
|
#define SHA256_HASH_SIZE 32
|
|
|
|
int main() {
|
|
const std::string str_data = "Hello World!";
|
|
const std::string str_key = "super-secret-key";
|
|
std::stringstream ss_result;
|
|
|
|
// Allocate memory for the HMAC
|
|
std::vector<uint8_t> out(SHA256_HASH_SIZE);
|
|
|
|
// Call hmac-sha256 function
|
|
hmac_sha256(
|
|
str_key.data(), str_key.size(),
|
|
str_data.data(), str_data.size(),
|
|
out.data(), out.size()
|
|
);
|
|
|
|
// Convert `out` to string with std::hex
|
|
for (uint8_t x : out) {
|
|
ss_result << std::hex << std::setfill('0') << std::setw(2) << (int)x;
|
|
}
|
|
|
|
// Print out the result
|
|
std::cout << "Message: " << str_data << std::endl;
|
|
std::cout << "HMAC: " << ss_result.str() << std::endl;
|
|
|
|
// This assertion fails if something went wrong
|
|
assert(
|
|
ss_result.str() ==
|
|
"4b393abced1c497f8048860ba1ede46a23f1ff5209b18e9c428bddfbb690aad8"
|
|
);
|
|
return 0;
|
|
}
|