monero/tests/hash/main.cpp

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2014-03-03 22:07:58 +00:00
// Copyright (c) 2012-2013 The Cryptonote developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <cstddef>
#include <fstream>
#include <iomanip>
#include <ios>
#include <string>
#include "warnings.h"
#include "crypto/hash.h"
#include "../io.h"
using namespace std;
using namespace crypto;
typedef crypto::hash chash;
PUSH_WARNINGS
DISABLE_VS_WARNINGS(4297)
extern "C" {
static void hash_tree(const void *data, size_t length, char *hash) {
if ((length & 31) != 0) {
throw ios_base::failure("Invalid input length for tree_hash");
}
tree_hash((const char (*)[32]) data, length >> 5, hash);
}
}
POP_WARNINGS
extern "C" typedef void hash_f(const void *, size_t, char *);
struct hash_func {
const string name;
hash_f &f;
} hashes[] = {{"fast", cn_fast_hash}, {"slow", cn_slow_hash}, {"tree", hash_tree},
{"extra-blake", hash_extra_blake}, {"extra-groestl", hash_extra_groestl},
{"extra-jh", hash_extra_jh}, {"extra-skein", hash_extra_skein}};
int main(int argc, char *argv[]) {
hash_f *f;
hash_func *hf;
fstream input;
vector<char> data;
chash expected, actual;
size_t test = 0;
bool error = false;
if (argc != 3) {
cerr << "Wrong number of arguments" << endl;
return 1;
}
for (hf = hashes;; hf++) {
if (hf >= &hashes[sizeof(hashes) / sizeof(hash_func)]) {
cerr << "Unknown function" << endl;
return 1;
}
if (argv[1] == hf->name) {
f = &hf->f;
break;
}
}
input.open(argv[2], ios_base::in);
for (;;) {
++test;
input.exceptions(ios_base::badbit);
get(input, expected);
if (input.rdstate() & ios_base::eofbit) {
break;
}
input.exceptions(ios_base::badbit | ios_base::failbit | ios_base::eofbit);
input.clear(input.rdstate());
get(input, data);
f(data.data(), data.size(), (char *) &actual);
if (expected != actual) {
size_t i;
cerr << "Hash mismatch on test " << test << endl << "Input: ";
if (data.size() == 0) {
cerr << "empty";
} else {
for (i = 0; i < data.size(); i++) {
cerr << setbase(16) << setw(2) << setfill('0') << int(static_cast<unsigned char>(data[i]));
}
}
cerr << endl << "Expected hash: ";
for (i = 0; i < 32; i++) {
cerr << setbase(16) << setw(2) << setfill('0') << int(reinterpret_cast<unsigned char *>(&expected)[i]);
}
cerr << endl << "Actual hash: ";
for (i = 0; i < 32; i++) {
cerr << setbase(16) << setw(2) << setfill('0') << int(reinterpret_cast<unsigned char *>(&actual)[i]);
}
cerr << endl;
error = true;
}
}
return error ? 1 : 0;
}