C++ (Cpp) init_rsa_context_with_public_key Exemples

Exemple #1

Fichier : spark_protocol.cpp Projet : adeeshag/particle_project

int SparkProtocol::handshake(void)
{
  memcpy(queue + 40, device_id, 12);
  int err = blocking_receive(queue, 40);
  if (0 > err) return err;

  parse_device_pubkey_from_privkey(queue+52, core_private_key);

  rsa_context rsa;
  init_rsa_context_with_public_key(&rsa, server_public_key);
  const int len = 52+MAX_DEVICE_PUBLIC_KEY_LENGTH;
  err = rsa_pkcs1_encrypt(&rsa, RSA_PUBLIC, len, queue, queue + len);
  rsa_free(&rsa);

  if (err) return err;

  blocking_send(queue + len, 256);
  err = blocking_receive(queue, 384);
  if (0 > err) return err;

  err = set_key(queue);
  if (err) return err;

  queue[0] = 0x00;
  queue[1] = 0x10;
  hello(queue + 2, descriptor.was_ota_upgrade_successful());

  err = blocking_send(queue, 18);
  if (0 > err) return err;

  if (!event_loop())        // read the hello message from the server
      return -1;

  return 0;
}

Exemple #2

Fichier : handshake.cpp Projet : Darma/core-communication-lib

int verify_signature(const unsigned char *signature,
                     const unsigned char *pubkey,
                     const unsigned char *expected_hmac)
{
  rsa_context rsa;
  init_rsa_context_with_public_key(&rsa, pubkey);

  int ret = rsa_pkcs1_verify(&rsa, RSA_PUBLIC, RSA_RAW, 20,
                             expected_hmac, signature);
  rsa_free(&rsa);
  return ret;
}

Exemple #3

Fichier : handshake.cpp Projet : Darma/core-communication-lib

int ciphertext_from_nonce_and_id(const unsigned char *nonce,
                                 const unsigned char *id,
                                 const unsigned char *pubkey,
                                 unsigned char *ciphertext)
{
  unsigned char plaintext[52];

  memcpy(plaintext, nonce, 40);
  memcpy(plaintext + 40, id, 12);

  rsa_context rsa;
  init_rsa_context_with_public_key(&rsa, pubkey);

  int ret = rsa_pkcs1_encrypt(&rsa, RSA_PUBLIC, 52, plaintext, ciphertext);
  rsa_free(&rsa);
  return ret;
}

Exemple #4

Fichier : handshake.cpp Projet : hpssjellis/firmware

int verify_signature(const unsigned char *signature,
                     const unsigned char *pubkey,
                     const unsigned char *expected_hmac)
{
  rsa_context rsa;
  init_rsa_context_with_public_key(&rsa, pubkey);

#ifdef USE_MBEDTLS
  int ret = mbedtls_rsa_pkcs1_verify(&rsa, mbedtls_default_rng, nullptr, MBEDTLS_RSA_PUBLIC, MBEDTLS_MD_NONE, 20,
                             expected_hmac, signature);
#else
  int ret = rsa_pkcs1_verify(&rsa, (rsa_mode_t)RSA_PUBLIC, (rsa_hash_id_t)RSA_RAW, 20,
                             expected_hmac, signature);
#endif

  rsa_free(&rsa);
  return ret;
}

Exemple #5

Fichier : handshake.cpp Projet : hpssjellis/firmware

int ciphertext_from_nonce_and_id(const unsigned char *nonce,
                                 const unsigned char *id,
                                 const unsigned char *pubkey,
                                 unsigned char *ciphertext)
{
  unsigned char plaintext[52];

  memcpy(plaintext, nonce, 40);
  memcpy(plaintext + 40, id, 12);

  rsa_context rsa;
  init_rsa_context_with_public_key(&rsa, pubkey);

#ifdef USE_MBEDTLS
  int ret = mbedtls_rsa_pkcs1_encrypt(&rsa, mbedtls_default_rng, nullptr, MBEDTLS_RSA_PUBLIC, 52, plaintext, ciphertext);
#else
  int ret = rsa_pkcs1_encrypt(&rsa, RSA_PUBLIC, 52, plaintext, ciphertext);
#endif
  rsa_free(&rsa);
  return ret;
}

Exemple #6

Fichier : TestHandshake.cpp Projet : Na2l/spark-websocket-server

TEST_FIXTURE(HandshakeFixture, FixturePublicKeyIsValid)
{
  rsa_context rsa;
  init_rsa_context_with_public_key(&rsa, pubkey);
  CHECK_EQUAL(0, rsa_check_pubkey(&rsa));
}