1 /*
2 * (C) 2009 Jack Lloyd
3 *
4 * Distributed under the terms of the Botan license
5 */
6 
7 #include <iostream>
8 #include <fstream>
9 #include <botan/botan.h>
10 
main(int argc,char * argv[])11 int main(int argc, char* argv[])
12    {
13    if(argc < 3)
14       {
15       std::cout << "Usage: " << argv[0] << " digest <filenames>" << std::endl;
16       return 1;
17       }
18 
19    Botan::LibraryInitializer init;
20 
21    std::string hash = argv[1];
22    /* a couple of special cases, kind of a crock */
23    if(hash == "sha1") hash = "SHA-1";
24    if(hash == "md5")  hash = "MD5";
25 
26    try {
27       if(!Botan::have_hash(hash))
28          {
29          std::cout << "Unknown hash \"" << argv[1] << "\"" << std::endl;
30          return 1;
31          }
32 
33       Botan::Pipe pipe(new Botan::Hash_Filter(hash),
34                        new Botan::Hex_Encoder);
35 
36       int skipped = 0;
37       for(int j = 2; argv[j] != 0; j++)
38          {
39          std::ifstream file(argv[j], std::ios::binary);
40          if(!file)
41             {
42             std::cout << "ERROR: could not open " << argv[j] << std::endl;
43             skipped++;
44             continue;
45             }
46          pipe.start_msg();
47          file >> pipe;
48          pipe.end_msg();
49          pipe.set_default_msg(j-2-skipped);
50          std::cout << pipe << "  " << argv[j] << std::endl;
51          }
52    }
53    catch(std::exception& e)
54       {
55       std::cout << "Exception caught: " << e.what() << std::endl;
56       }
57    return 0;
58    }
59