143 lines
3.9 KiB
C++
143 lines
3.9 KiB
C++
/*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* Copyright:
|
|
* 2014-2016, Danny Robson <danny@nerdcruft.net>
|
|
*/
|
|
|
|
#include <iostream>
|
|
#include <fstream>
|
|
#include <vector>
|
|
#include <iterator>
|
|
|
|
#include <cstdlib>
|
|
#include <cstring>
|
|
|
|
#include "hash/adler.hpp"
|
|
#include "hash/bsdsum.cpp"
|
|
#include "hash/crc.hpp"
|
|
#include "hash/fletcher.hpp"
|
|
#include "hash/md2.hpp"
|
|
#include "hash/md4.hpp"
|
|
#include "hash/md5.hpp"
|
|
#include "hash/ripemd.hpp"
|
|
#include "hash/sha1.hpp"
|
|
#include "hash/sha2.hpp"
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
static
|
|
const char* NAMES[] = {
|
|
"adler32",
|
|
"bsdsum",
|
|
"crc32",
|
|
"fletcher"
|
|
"MD2",
|
|
"MD4",
|
|
"MD5",
|
|
"RIPEMD",
|
|
"SHA1",
|
|
"SHA256",
|
|
};
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
static
|
|
void
|
|
compute (std::istream &is, const char *name)
|
|
{
|
|
std::vector<uint8_t> data {
|
|
std::istream_iterator<uint8_t> (is),
|
|
std::istream_iterator<uint8_t> ( )
|
|
};
|
|
|
|
#define simple(FUNC) do { \
|
|
if (std::strcmp (name, #FUNC)) \
|
|
break; \
|
|
\
|
|
std::cout << std::hex << FUNC (data.data (), data.size ()) << "\n"; \
|
|
} while (0)
|
|
|
|
simple (adler32);
|
|
simple (bsdsum);
|
|
simple (crc32);
|
|
|
|
#undef simple
|
|
|
|
#define stream(TYPE) do { \
|
|
if (std::strcmp (name, #TYPE)) \
|
|
break; \
|
|
\
|
|
util::hash::TYPE accum; \
|
|
accum.update (data.data (), data.size ()); \
|
|
accum.finish (); \
|
|
\
|
|
std::cout << std::hex; \
|
|
for (auto c: accum.digest ()) \
|
|
std::cout << unsigned (c >> 4) << unsigned(c & 0x0F); \
|
|
std::cout << std::dec << "\n"; \
|
|
return; \
|
|
} while (0);
|
|
|
|
stream (MD2);
|
|
stream (MD4);
|
|
stream (MD5);
|
|
stream (RIPEMD);
|
|
stream (SHA1);
|
|
stream (SHA256);
|
|
|
|
#undef stream
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
enum {
|
|
ARG_CMD,
|
|
ARG_HASH,
|
|
ARG_INPUT,
|
|
|
|
NUM_ARGS
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void
|
|
print_usage (int argc, char **argv)
|
|
{
|
|
(void)argc;
|
|
|
|
std::cerr << argv[ARG_CMD] << " [";
|
|
for (auto name: NAMES)
|
|
std::cerr << name << "|";
|
|
std::cerr << "] <input>\n";
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
if (argc != NUM_ARGS) {
|
|
print_usage (argc, argv);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (strcmp (argv[ARG_INPUT], "-")) {
|
|
std::cerr << "stdin only currently\n";
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
compute (std::cin, argv[ARG_HASH]);
|
|
return EXIT_SUCCESS;
|
|
}
|