#include <bits/stdc++.h>
#include <openssl/sha.h>
using namespace std;

// result should be a char array lengthed 32
void SHA256(char *source, unsigned char *result)
{
    SHA256_CTX sha256;
    SHA256_Init(&sha256);
    SHA256_Update(&sha256, source, strlen(source));
    SHA256_Final(result, &sha256);
}

int main()
{
    unsigned char result[32];
    char source[10240];
    cout << "Enter information: ";
    cin.getline(source, 10240);
    SHA256(source, result);
    for (int i = 0; i < 32; ++i)
        printf("%02x", result[i]);
    cout << endl;
    return 0;
}