ceph/src/test/testcrypto.cc

   1 #include "auth/Crypto.h"
   2 #include "common/Clock.h"
   3
   4 #include "common/config.h"
   5 #include "common/debug.h"
   6
   7 #define dout_subsys ceph_subsys_auth
   8
   9 #define AES_KEY_LEN     16
  10
  11 #define dout_context g_ceph_context
  12
  13 int main(int argc, char *argv[])
  14 {
  15   char aes_key[AES_KEY_LEN];
  16   memset(aes_key, 0x77, sizeof(aes_key));
  17   bufferptr keybuf(aes_key, sizeof(aes_key));
  18   CryptoKey key(CEPH_CRYPTO_AES, ceph_clock_now(), keybuf);
  19
  20   const char *msg="hello! this is a message\n";
  21   char pad[16];
  22   memset(pad, 0, 16);
  23   bufferptr ptr(msg, strlen(msg));
  24   bufferlist enc_in;
  25   enc_in.append(ptr);
  26   enc_in.append(msg, strlen(msg));
  27
  28   bufferlist enc_out;
  29   std::string error;
  30   if (key.encrypt(g_ceph_context, enc_in, enc_out, &error) < 0) {
  31     assert(!error.empty());
  32     dout(0) << "couldn't encode! error " << error << dendl;
  33     exit(1);
  34   }
  35
  36   const char *enc_buf = enc_out.c_str();
  37   for (unsigned i=0; i<enc_out.length(); i++) {
  38     std::cout << hex << (int)(unsigned char)enc_buf[i] << dec << " ";
  39     if (i && !(i%16))
  40       std::cout << std::endl;
  41   }
  42
  43   bufferlist dec_in, dec_out;
  44
  45   dec_in = enc_out;
  46
  47   if (key.decrypt(g_ceph_context, dec_in, dec_out, &error) < 0) {
  48     assert(!error.empty());
  49     dout(0) << "couldn't decode! error " << error << dendl;
  50     exit(1);
  51   }
  52
  53   dout(0) << "decoded len: " << dec_out.length() << dendl;
  54   dout(0) << "decoded msg: " << dec_out.c_str() << dendl;
  55
  56   return 0;
  57 }
  58