A C++ SHA256 implementation.
Just run make all. There are no dependencies.
Provide as many strings as you want. The program will hash all of them in order.
$ ./SHA256 "string" "string2"
473287f8298dba7163a897908958f7c0eae733e25d2e027992ea2edc9bed2fa8
b993212a26658c9077096b804cdfb92ad21cf1e199e272c44eb028e45d07b6e0
#include "SHA256.h"
//...
string s = "hello world";
SHA256 sha;
sha.update(s);
uint8_t * digest = sha.digest();
std::cout << SHA256::toString(digest) << std::endl;
delete[] digest; // Don't forget to free the digest!