static void usage( const char * exe_name )
{
if( NULL == exe_name )
return;
_fprintf_p( stderr,
"Usage:\n"
" %1$s gen-key < 128 | 192 | 256 > <key_file>\n"
"\n"
" %1$s <base64_command> [options]\n"
"\n"
" base64_command:\n"
" base64-enc: encode\n"
" base64-dec: decode\n"
"\n"
" options:\n"
" --in <path_in>\n"
" --out <path_out>\n"
"\n"
" %1$s <aes_command> --key <base64_encoded_key_data> [options]\n"
" %1$s <aes_command> --key-file <key_file> [options]\n"
"\n"
" aes_command:\n"
" aes-enc: encrypt\n"
" aes-dec: decrypt\n"
"\n"
" options:\n"
" --ecb: use ecb mode instead of cbc\n"
" --in <path_in>\n"
" --out <path_out>\n"
"\n",
exe_name
);
}
HRESULT hrCheck(HRESULT exp, LPCTSTR expStr)
{
if (FAILED(exp)) {
_fprintf_p(stderr, _T("%s faild: 0x%08lx\n"), expStr, exp);
}
return exp;
}
