OpenDDS::Security::SSL::DHAlgorithm Class Reference

#include <DiffieHellman.h>

Inheritance diagram for OpenDDS::Security::SSL::DHAlgorithm:

Public Types
typedef DCPS::unique_ptr < DHAlgorithm >	unique_ptr
Public Member Functions
	DHAlgorithm ()
virtual	~DHAlgorithm ()
virtual int	init ()=0
virtual int	pub_key (DDS::OctetSeq &dst)=0
virtual int	gen_shared_secret (const DDS::OctetSeq &pub_key)
virtual const DDS::OctetSeq &	get_shared_secret () const
virtual bool	cmp_shared_secret (const DHAlgorithm &other) const
virtual const char *	kagree_algo () const =0
Protected Member Functions
virtual int	compute_shared_secret (const DDS::OctetSeq &pub_key)=0
int	hash_shared_secret ()
Protected Attributes
EVP_PKEY *	k_
DDS::OctetSeq	shared_secret_

Detailed Description

Definition at line 18 of file DiffieHellman.h.

Member Typedef Documentation

typedef DCPS::unique_ptr<DHAlgorithm> OpenDDS::Security::SSL::DHAlgorithm::unique_ptr

Definition at line 21 of file DiffieHellman.h.

Constructor & Destructor Documentation

OpenDDS::Security::SSL::DHAlgorithm::DHAlgorithm ( ) [inline]

Definition at line 23 of file DiffieHellman.h.

00023 : k_(NULL) {}

OpenDDS::Security::SSL::DHAlgorithm::~DHAlgorithm ( ) [virtual]

Definition at line 35 of file DiffieHellman.cpp.

References k_.

00035 { EVP_PKEY_free(k_); }

Member Function Documentation

bool OpenDDS::Security::SSL::DHAlgorithm::cmp_shared_secret ( const DHAlgorithm & other ) const [virtual]

Definition at line 37 of file DiffieHellman.cpp.

References get_shared_secret(), and shared_secret_.

00038   {
00039     if (shared_secret_.length() != other.get_shared_secret().length()) {
00040       return false;
00041     }
00042     return (0 == std::memcmp(shared_secret_.get_buffer(),
00043                              other.get_shared_secret().get_buffer(),
00044                              shared_secret_.length()));
00045   }

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virtual int OpenDDS::Security::SSL::DHAlgorithm::compute_shared_secret ( const DDS::OctetSeq & pub_key ) [protected, pure virtual]

Implemented in OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME, and OpenDDS::Security::SSL::ECDH_PRIME_256_V1_CEUM.

virtual int OpenDDS::Security::SSL::DHAlgorithm::gen_shared_secret ( const DDS::OctetSeq & pub_key ) [inline, virtual]

Definition at line 29 of file DiffieHellman.h.

00030     {
00031       int err = compute_shared_secret(pub_key) || hash_shared_secret();
00032       return err;
00033     }

virtual const DDS::OctetSeq& OpenDDS::Security::SSL::DHAlgorithm::get_shared_secret ( ) const [inline, virtual]

Definition at line 34 of file DiffieHellman.h.

Referenced by cmp_shared_secret().

00035     {
00036       return shared_secret_;
00037     }

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int OpenDDS::Security::SSL::DHAlgorithm::hash_shared_secret ( ) [protected]

Definition at line 47 of file DiffieHellman.cpp.

References OpenDDS::Security::SSL::hash(), and shared_secret_.

00048   {
00049     DDS::OctetSeq tmp = shared_secret_;
00050     std::vector<const DDS::OctetSeq*> hash_data;
00051     hash_data.push_back(&tmp);
00052     return SSL::hash(hash_data, shared_secret_);
00053   }

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