OpenDDS::Security::SSL::ecdh_shared_secret_from_octets Class Reference

Collaboration diagram for OpenDDS::Security::SSL::ecdh_shared_secret_from_octets:

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List of all members.

Public Member Functions
	ecdh_shared_secret_from_octets (EVP_PKEY *pkey)
	~ecdh_shared_secret_from_octets ()
int	operator() (const DDS::OctetSeq &src, DDS::OctetSeq &dst)
Private Attributes
EC_Handle	keypair
EC_POINT *	pubkey
const EC_GROUP *	group
BN_CTX *	bignum_ctx

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Detailed Description

Definition at line 365 of file DiffieHellman.cpp.

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Constructor & Destructor Documentation

OpenDDS::Security::SSL::ecdh_shared_secret_from_octets::ecdh_shared_secret_from_octets

(

EVP_PKEY *

pkey

)

[inline]

Definition at line 368 of file DiffieHellman.cpp.

References keypair, and OPENDDS_SSL_LOG_ERR.

      : keypair(pkey), pubkey(NULL), group(NULL), bignum_ctx(NULL)
    {
      if (!keypair) {
        OPENDDS_SSL_LOG_ERR("EVP_PKEY_get0_EC_KEY failed");
      }
    }

OpenDDS::Security::SSL::ecdh_shared_secret_from_octets::~ecdh_shared_secret_from_octets

(

)

[inline]

Definition at line 376 of file DiffieHellman.cpp.

References bignum_ctx, and pubkey.

    {
      EC_POINT_free(pubkey);
      BN_CTX_free(bignum_ctx);
    }

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Member Function Documentation

int OpenDDS::Security::SSL::ecdh_shared_secret_from_octets::operator()	(	const DDS::OctetSeq &	src,
		DDS::OctetSeq &	dst
	)			[inline]

Definition at line 382 of file DiffieHellman.cpp.

References bignum_ctx, group, keypair, len, OPENDDS_SSL_LOG_ERR, and pubkey.

    {
      if (!keypair) return 1;

      if (NULL == (bignum_ctx = BN_CTX_new())) {
        OPENDDS_SSL_LOG_ERR("BN_CTX_new failed");
        return 1;
      }

      if (NULL == (group = EC_KEY_get0_group(keypair))) {
        OPENDDS_SSL_LOG_ERR("EC_KEY_get0_group failed");
        return 1;
      }

      pubkey = EC_POINT_new(group);
      if (1 != EC_POINT_oct2point(group, pubkey, src.get_buffer(),
                                  src.length(), bignum_ctx)) {
        OPENDDS_SSL_LOG_ERR("EC_POINT_point2oct failed");
        return 1;
      }

      int numbits = EC_GROUP_get_degree(group);
      dst.length((numbits + 7) / 8);

      int len = ECDH_compute_key(dst.get_buffer(), dst.length(), pubkey,
                                 keypair, NULL);

      if (0 == len) {
        OPENDDS_SSL_LOG_ERR("ECDH_compute_key failed");
        return 1;
      }

      return 0;
    }

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Member Data Documentation

BN_CTX* OpenDDS::Security::SSL::ecdh_shared_secret_from_octets::bignum_ctx [private]

Definition at line 421 of file DiffieHellman.cpp.

Referenced by operator()(), and ~ecdh_shared_secret_from_octets().

const EC_GROUP* OpenDDS::Security::SSL::ecdh_shared_secret_from_octets::group [private]

Definition at line 420 of file DiffieHellman.cpp.

Referenced by operator()().

EC_Handle OpenDDS::Security::SSL::ecdh_shared_secret_from_octets::keypair [private]

Definition at line 418 of file DiffieHellman.cpp.

Referenced by ecdh_shared_secret_from_octets(), and operator()().

EC_POINT* OpenDDS::Security::SSL::ecdh_shared_secret_from_octets::pubkey [private]

Definition at line 419 of file DiffieHellman.cpp.

Referenced by operator()(), and ~ecdh_shared_secret_from_octets().

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The documentation for this class was generated from the following file:

• DiffieHellman.cpp