OpenDDS::Security::SSL Namespace Reference

Classes
struct	cache_dsign_algo_impl
class	Certificate
struct	deserialize_impl
class	DH_2048_MODP_256_PRIME
class	dh_constructor
struct	DH_Handle
class	dh_shared_secret
class	DHAlgorithm
class	DiffieHellman
struct	EC_Handle
class	ecdh_constructor
class	ECDH_PRIME_256_V1_CEUM
class	ecdh_pubkey_as_octets
class	ecdh_shared_secret_from_octets
class	hash_serialized_impl
class	PrivateKey
class	sign_implementation
class	SignedDocument
class	SubjectName
class	verify_implementation
class	verify_signature_impl

Functions
std::ostream &	operator<< (std::ostream &lhs, const Certificate &rhs)
bool	operator== (const Certificate &lhs, const Certificate &rhs)
bool	operator== (const PrivateKey &lhs, const PrivateKey &rhs)
bool	operator== (const SignedDocument &lhs, const SignedDocument &rhs)
int	make_adjusted_guid (const OpenDDS::DCPS::GUID_t &src, OpenDDS::DCPS::GUID_t &dst, const Certificate &target)
template<size_t Bits>
int	make_nonce (std::vector< unsigned char > &nonce)
int	make_nonce_256 (std::vector< unsigned char > &nonce)
int	make_nonce_256 (DDS::OctetSeq &nonce)
unsigned char	offset_1bit (const unsigned char array[], size_t i)
	Gets byte from array as though it were shifted right one bit. More...
int	hash (const std::vector< const DDS::OctetSeq *> &src, DDS::OctetSeq &dst)
int	hash_serialized (const DDS::BinaryPropertySeq &src, DDS::OctetSeq &dst)
int	sign_serialized (const DDS::BinaryPropertySeq &src, const PrivateKey &key, DDS::OctetSeq &dst)
int	verify_serialized (const DDS::BinaryPropertySeq &src, const Certificate &key, const DDS::OctetSeq &signed_data)

Variables
const char	DH_2048_MODP_256_PRIME_STR [] = "DH+MODP-2048-256"
const char	ECDH_PRIME_256_V1_CEUM_STR [] = "ECDH+prime256v1-CEUM"

Function Documentation

hash()

OpenDDS_Security_Export int OpenDDS::Security::SSL::hash	(	const std::vector< const DDS::OctetSeq * > &	src,
		DDS::OctetSeq &	dst
	)

Returns

int 0 on success; 1 on failure.

Definition at line 132 of file Utils.cpp.

References EVP_MD_CTX_free, EVP_MD_CTX_new, and OPENDDS_SSL_LOG_ERR.

Referenced by OpenDDS::Security::AuthenticationBuiltInImpl::begin_handshake_reply(), OpenDDS::Security::AuthenticationBuiltInImpl::begin_handshake_request(), OPENDDS_BEGIN_VERSIONED_NAMESPACE_DECL::hash_endpoint(), OPENDDS_BEGIN_VERSIONED_NAMESPACE_DECL::hash_endpoints(), hash_serialized(), OpenDDS::Security::SSL::DHAlgorithm::hash_shared_secret(), make_adjusted_guid(), and OpenDDS::Security::AuthenticationBuiltInImpl::process_handshake_reply().

{
  EVP_MD_CTX* hash_ctx = EVP_MD_CTX_new();
  if (!hash_ctx) {
    OPENDDS_SSL_LOG_ERR("EVP_MD_CTX_new failed");
    return 1;
  }

  EVP_DigestInit_ex(hash_ctx, EVP_sha256(), 0);

  unsigned char hash[EVP_MAX_MD_SIZE] = { 0 };
  unsigned int len = 0u;

  std::vector<const DDS::OctetSeq*>::const_iterator i, n = src.end();
  for (i = src.begin(); i != n; ++i) {
    EVP_DigestUpdate(hash_ctx, (*i)->get_buffer(), (*i)->length());
  }

  EVP_DigestFinal_ex(hash_ctx, hash, &len);

  dst.length(len);
  std::memcpy(dst.get_buffer(), hash, len);

  EVP_MD_CTX_free(hash_ctx);

  return 0;
}

hash_serialized()

OpenDDS_Security_Export int OpenDDS::Security::SSL::hash_serialized	(	const DDS::BinaryPropertySeq &	src,
		DDS::OctetSeq &	dst
	)

Returns

int 0 on success; 1 on failure.

Definition at line 214 of file Utils.cpp.

References hash().

Referenced by OpenDDS::Security::CredentialHash::operator()().

{
  hash_serialized_impl hash;
  return hash(src, dst);
}

make_adjusted_guid()

OpenDDS_Security_Export int OpenDDS::Security::SSL::make_adjusted_guid	(	const OpenDDS::DCPS::GUID_t &	src,
		OpenDDS::DCPS::GUID_t &	dst,
		const Certificate &	target
	)

Definition at line 41 of file Utils.cpp.

References OpenDDS::DCPS::GUID_t::entityId, EVP_MD_CTX_free, EVP_MD_CTX_new, OpenDDS::DCPS::GUID_UNKNOWN, hash(), offset_1bit(), and OpenDDS::Security::SSL::Certificate::subject_name_digest().

Referenced by OpenDDS::Security::AuthenticationBuiltInImpl::validate_local_identity().

{
  dst = OpenDDS::DCPS::GUID_UNKNOWN;
  dst.entityId = src.entityId;

  std::vector<unsigned char> hash;
  int result = target.subject_name_digest(hash);

  if (result == 0 && hash.size() >= 6) {
    unsigned char* bytes = reinterpret_cast<unsigned char*>(&dst);

    for (size_t i = 0; i < 6; ++i) {  // First 6 bytes of guid prefix
      bytes[i] = offset_1bit(&hash[0], i);
    }

    bytes[0] |= 0x80;

    // Last 6 bytes of guid prefix = hash of src guid (candidate guid)

    unsigned char hash2[EVP_MAX_MD_SIZE] = {0};
    unsigned int len = 0u;

    EVP_MD_CTX* hash_ctx = EVP_MD_CTX_new();
    if (hash_ctx) {
      EVP_DigestInit_ex(hash_ctx, EVP_sha256(), 0);
      EVP_DigestUpdate(hash_ctx, &src, sizeof(OpenDDS::DCPS::GUID_t));
      EVP_DigestFinal_ex(hash_ctx, hash2, &len);
      if (len > 5) {
        std::memcpy(bytes + 6, hash2, 6);
      } else {
        result = 1;
      }

      EVP_MD_CTX_free(hash_ctx);
    }
  }

  return result;
}

make_nonce()

template<size_t Bits>

int OpenDDS::Security::SSL::make_nonce

(

std::vector< unsigned char > &

nonce

)

Definition at line 84 of file Utils.cpp.

References ACE_ERROR, ACE_TEXT(), and LM_ERROR.

{
  nonce.clear();

  unsigned char tmp[Bits / 8] = { 0 };

  if (RAND_bytes(tmp, sizeof tmp) == 1) {
    nonce.insert(nonce.begin(), tmp, tmp + sizeof tmp);

    return 0;

  } else {
    unsigned long err = ERR_get_error();
    char msg[256] = { 0 };
    ERR_error_string_n(err, msg, sizeof(msg));

    ACE_ERROR((LM_ERROR,
               ACE_TEXT("(%P|%t) SSL::make_nonce: ERROR '%C' returned by RAND_bytes(...)\n"),
               msg));
  }

  return 1;
}

make_nonce_256() [1/2]

OpenDDS_Security_Export int OpenDDS::Security::SSL::make_nonce_256

(

std::vector< unsigned char > &

nonce

)

Returns

int 0 on success; 1 on failure.

Definition at line 108 of file Utils.cpp.

Referenced by OpenDDS::Security::AuthenticationBuiltInImpl::begin_handshake_reply(), OpenDDS::Security::AuthenticationBuiltInImpl::begin_handshake_request(), and OpenDDS::Security::AuthenticationBuiltInImpl::validate_remote_identity().

{
  return make_nonce<256>(nonce);
}

make_nonce_256() [2/2]

OpenDDS_Security_Export int OpenDDS::Security::SSL::make_nonce_256

(

DDS::OctetSeq &

nonce

)

Returns

int 0 on success; 1 on failure.

Definition at line 113 of file Utils.cpp.

{
  /* A bit slower but the impl. for vectors is already complete */
  std::vector<unsigned char> tmp;
  int err = make_nonce<256>(tmp);
  if (!err) {
    nonce.length(static_cast<unsigned int>(tmp.size()));
    for (size_t i = 0; i < tmp.size(); ++i) {
      nonce[static_cast<unsigned int>(i)] = tmp[i];
    }
  }
  return err;
}

offset_1bit()

OpenDDS_Security_Export unsigned char OpenDDS::Security::SSL::offset_1bit	(	const unsigned char	array[],
		size_t	i
	)

Gets byte from array as though it were shifted right one bit.

Definition at line 127 of file Utils.cpp.

Referenced by make_adjusted_guid(), and OpenDDS::Security::validate_topic_data_guid().

{
  return (array[i] >> 1) | (i == 0 ? 0 : ((array[i - 1] & 1) ? 0x80 : 0));
}

operator<<()

OpenDDS_Security_Export std::ostream & OpenDDS::Security::SSL::operator<<	(	std::ostream &	lhs,
		const Certificate &	rhs
	)

Definition at line 623 of file Certificate.cpp.

References OpenDDS::Security::SSL::Certificate::x_.

{
  if (rhs.x_) {
    lhs << "Certificate: { is_ca? '"
        << (X509_check_ca(rhs.x_) ? "yes" : "no") << "'; }";

  } else {
    lhs << "NULL";
  }
  return lhs;
}

operator==() [1/3]

OpenDDS_Security_Export bool OpenDDS::Security::SSL::operator==	(	const PrivateKey &	lhs,
		const PrivateKey &	rhs
	)

Definition at line 231 of file PrivateKey.cpp.

References OpenDDS::Security::SSL::PrivateKey::k_, and OPENDDS_END_VERSIONED_NAMESPACE_DECL.

{
  if (lhs.k_ && rhs.k_) {
    return (1 == EVP_PKEY_cmp(lhs.k_, rhs.k_));
  }
  return lhs.k_ == rhs.k_;
}

operator==() [2/3]

OpenDDS_Security_Export bool OpenDDS::Security::SSL::operator==	(	const SignedDocument &	lhs,
		const SignedDocument &	rhs
	)

Definition at line 394 of file SignedDocument.cpp.

References OPENDDS_END_VERSIONED_NAMESPACE_DECL, OpenDDS::Security::SSL::SignedDocument::original_, and OpenDDS::Security::SSL::SignedDocument::verifiable_.

{
  return lhs.original_ == rhs.original_ && lhs.verifiable_ == rhs.verifiable_;
}

operator==() [3/3]

OpenDDS_Security_Export bool OpenDDS::Security::SSL::operator==	(	const Certificate &	lhs,
		const Certificate &	rhs
	)

Definition at line 635 of file Certificate.cpp.

References OPENDDS_END_VERSIONED_NAMESPACE_DECL, OpenDDS::Security::SSL::Certificate::original_bytes_, and OpenDDS::Security::SSL::Certificate::x_.

{
  if (lhs.x_ && rhs.x_) {
    return (0 == X509_cmp(lhs.x_, rhs.x_)) &&
      (lhs.original_bytes_ == rhs.original_bytes_);
  }
  return (lhs.x_ == rhs.x_) &&
    (lhs.original_bytes_ == rhs.original_bytes_);
}

sign_serialized()

OpenDDS_Security_Export int OpenDDS::Security::SSL::sign_serialized	(	const DDS::BinaryPropertySeq &	src,
		const PrivateKey &	key,
		DDS::OctetSeq &	dst
	)

Returns

int 0 on success; 1 on failure.

Definition at line 220 of file Utils.cpp.

References ACE_ERROR, ACE_TEXT(), OpenDDS::STUN::encoding(), LM_ERROR, OpenDDS::DCPS::serialized_size(), and OpenDDS::Security::SSL::PrivateKey::sign().

Referenced by OpenDDS::Security::AuthenticationBuiltInImpl::begin_handshake_reply(), and OpenDDS::Security::AuthenticationBuiltInImpl::process_handshake_reply().

{
  const Encoding encoding = get_common_encoding();
  size_t size = 0;
  serialized_size(encoding, size, src);

  DDS::OctetSeq tmp;
  tmp.length(static_cast<unsigned int>(size));
  ACE_Message_Block buffer(reinterpret_cast<const char*>(tmp.get_buffer()),
                           tmp.length());
  Serializer serializer(&buffer, encoding);
  if (!(serializer << src)) {
    ACE_ERROR((LM_ERROR,
               ACE_TEXT("(%P|%t) SSL::sign_serialized: ERROR, failed to serialize "
                        "binary-property-sequence\n")));

    return 1;
  }

  std::vector<const DDS::OctetSeq*> sign_these;
  sign_these.push_back(&tmp);

  return key.sign(sign_these, dst);
}

verify_serialized()

OpenDDS_Security_Export int OpenDDS::Security::SSL::verify_serialized	(	const DDS::BinaryPropertySeq &	src,
		const Certificate &	key,
		const DDS::OctetSeq &	signed_data
	)

Returns

int 0 on success; 1 on failure.

Definition at line 246 of file Utils.cpp.

References ACE_ERROR, ACE_TEXT(), OpenDDS::STUN::encoding(), LM_ERROR, OPENDDS_END_VERSIONED_NAMESPACE_DECL, OpenDDS::DCPS::serialized_size(), and OpenDDS::Security::SSL::Certificate::verify_signature().

Referenced by OpenDDS::Security::AuthenticationBuiltInImpl::process_final_handshake(), and OpenDDS::Security::AuthenticationBuiltInImpl::process_handshake_reply().

{
  const Encoding encoding = get_common_encoding();
  size_t size = 0;
  serialized_size(encoding, size, src);

  DDS::OctetSeq tmp;
  tmp.length(static_cast<unsigned int>(size));
  ACE_Message_Block buffer(reinterpret_cast<const char*>(tmp.get_buffer()),
                           tmp.length());
  Serializer serializer(&buffer, encoding);
  if (!(serializer << src)) {
    ACE_ERROR((LM_ERROR,
               ACE_TEXT("(%P|%t) SSL::verify_serialized: ERROR, failed to serialize binary-property-sequence\n")));

    return 1;
  }

  std::vector<const DDS::OctetSeq*> verify_these;
  verify_these.push_back(&tmp);

  return key.verify_signature(signed_data, verify_these);
}

Variable Documentation

DH_2048_MODP_256_PRIME_STR

const char OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME_STR[] = "DH+MODP-2048-256"

Definition at line 22 of file DiffieHellman.h.

Referenced by OpenDDS::Security::SSL::DiffieHellman::factory(), and OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME::kagree_algo().

ECDH_PRIME_256_V1_CEUM_STR

const char OpenDDS::Security::SSL::ECDH_PRIME_256_V1_CEUM_STR[] = "ECDH+prime256v1-CEUM"

Definition at line 23 of file DiffieHellman.h.

Referenced by OpenDDS::Security::SSL::DiffieHellman::factory(), and OpenDDS::Security::SSL::ECDH_PRIME_256_V1_CEUM::kagree_algo().