107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
#include <iostream>
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#include <fstream>
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#include <vector>
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#include <iterator>
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#include <cstdlib>
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#include <cstring>
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#include "hash/adler.hpp"
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#include "hash/bsdsum.cpp"
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#include "hash/crc.hpp"
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#include "hash/fletcher.hpp"
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#include "hash/md2.hpp"
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#include "hash/md4.hpp"
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#include "hash/md5.hpp"
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#include "hash/ripemd.hpp"
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#include "hash/sha1.hpp"
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#include "hash/sha2.hpp"
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static const char* NAMES[] = {
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"adler32",
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"bsdsum",
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"crc32",
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"fletcher"
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"MD2",
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"MD4",
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"MD5",
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"RIPEMD",
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"SHA1",
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"SHA256",
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};
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static void
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compute (std::istream &is, const char *name) {
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std::vector<uint8_t> data {
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std::istream_iterator<uint8_t> (is),
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std::istream_iterator<uint8_t> ( )
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};
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#define simple(FUNC) do { \
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if (std::strcmp (name, #FUNC)) \
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break; \
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\
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std::cout << std::hex << FUNC (data.data (), data.size ()) << "\n"; \
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} while (0)
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simple (adler32);
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simple (bsdsum);
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simple (crc32);
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#undef simple
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#define stream(TYPE) do { \
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if (std::strcmp (name, #TYPE)) \
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break; \
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\
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util::hash::TYPE accum; \
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accum.update (data.data (), data.size ()); \
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accum.finish (); \
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\
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std::cout << std::hex; \
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for (auto c: accum.digest ()) \
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std::cout << unsigned (c >> 4) << unsigned(c & 0x0F); \
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std::cout << std::dec << "\n"; \
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return; \
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} while (0);
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stream (MD2);
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stream (MD4);
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stream (MD5);
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stream (RIPEMD);
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stream (SHA1);
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stream (SHA256);
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#undef stream
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}
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enum {
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ARG_CMD,
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ARG_HASH,
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ARG_INPUT,
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};
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int
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main (int argc, char **argv) {
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if (argc < ARG_INPUT) {
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std::cerr << argv[ARG_CMD] << " [";
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for (auto name: NAMES)
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std::cerr << name << "|";
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std::cerr << "] <input>\n";
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return EXIT_FAILURE;
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}
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if (strcmp (argv[ARG_INPUT], "-")) {
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std::cerr << "stdin only currently\n";
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return EXIT_FAILURE;
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}
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compute (std::cin, argv[ARG_HASH]);
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return EXIT_SUCCESS;
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}
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