OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME Class Reference

#include <DiffieHellman.h>

Inheritance diagram for OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME:

Collaboration diagram for OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME:

Public Member Functions
	DH_2048_MODP_256_PRIME ()
	~DH_2048_MODP_256_PRIME ()
int	init ()
int	pub_key (DDS::OctetSeq &dst)
int	compute_shared_secret (const DDS::OctetSeq &pub_key)
const char *	kagree_algo () const
Public Member Functions inherited from OpenDDS::Security::SSL::DHAlgorithm
	DHAlgorithm ()
virtual	~DHAlgorithm ()
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

Additional Inherited Members
Public Types inherited from OpenDDS::Security::SSL::DHAlgorithm
typedef DCPS::unique_ptr< DHAlgorithm >	unique_ptr
Protected Member Functions inherited from OpenDDS::Security::SSL::DHAlgorithm
int	hash_shared_secret ()
Protected Attributes inherited from OpenDDS::Security::SSL::DHAlgorithm
EVP_PKEY *	k_
DDS::OctetSeq	shared_secret_

Detailed Description

Definition at line 57 of file DiffieHellman.h.

Constructor & Destructor Documentation

DH_2048_MODP_256_PRIME()

OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME::DH_2048_MODP_256_PRIME

(

)

Definition at line 76 of file DiffieHellman.cpp.

References init().

{ init(); }

~DH_2048_MODP_256_PRIME()

OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME::~DH_2048_MODP_256_PRIME

(

)

Definition at line 78 of file DiffieHellman.cpp.

{}

Member Function Documentation

compute_shared_secret()

int OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME::compute_shared_secret ( const DDS::OctetSeq &  pub_key )

virtual

Returns

int 0 on success; 1 on failure.

Implements OpenDDS::Security::SSL::DHAlgorithm.

Definition at line 334 of file DiffieHellman.cpp.

{
  dh_shared_secret secret(k_);
  return secret(pub_key, shared_secret_);
}

init()

int OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME::init ( void  )

virtual

Returns

int 0 on success; 1 on failure.

Implements OpenDDS::Security::SSL::DHAlgorithm.

Definition at line 150 of file DiffieHellman.cpp.

References OpenDDS::Security::SSL::dh_constructor::get_key().

{
  if (k_) return 0;

  dh_constructor dh;
  k_ = dh.get_key();
  return k_ ? 0 : 1;
}

kagree_algo()

const char* OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME::kagree_algo ( ) const

inlinevirtual

Implements OpenDDS::Security::SSL::DHAlgorithm.

Definition at line 77 of file DiffieHellman.h.

References OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME_STR.

{ return DH_2048_MODP_256_PRIME_STR; }

pub_key()

int OpenDDS::Security::SSL::DH_2048_MODP_256_PRIME::pub_key ( DDS::OctetSeq &  dst )

virtual

Returns

int 0 on success; 1 on failure.

Implements OpenDDS::Security::SSL::DHAlgorithm.

Definition at line 159 of file DiffieHellman.cpp.

References DH_get0_key(), and OPENDDS_SSL_LOG_ERR.

{
  int result = 1;

  if (k_) {
#ifndef OPENSSL_V_3_0
    DH_Handle dh(k_);
    if (dh) {
      const BIGNUM *pubkey = 0, *privkey = 0;
      DH_get0_key(dh, &pubkey, &privkey);
      if (pubkey) {
        dst.length(BN_num_bytes(pubkey));
        if (0 < BN_bn2bin(pubkey, dst.get_buffer())) {
          result = 0;
        } else {
          OPENDDS_SSL_LOG_ERR("BN_bn2bin failed");
        }
      } else {
        OPENDDS_SSL_LOG_ERR("DH_get0_key failed");
      }
    }
#else
    BIGNUM* pubkey = 0;
    if (EVP_PKEY_get_bn_param(k_, OSSL_PKEY_PARAM_PUB_KEY, &pubkey)) {
      dst.length(BN_num_bytes(pubkey));
      if (0 < BN_bn2bin(pubkey, dst.get_buffer())) {
        result = 0;
      } else {
        OPENDDS_SSL_LOG_ERR("BN_bn2bin failed");
      }
    } else {
      OPENDDS_SSL_LOG_ERR("EVP_PKEY_get_bn_param failed");
    }
    BN_free(pubkey);
#endif
  }
  return result;
}

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

• DiffieHellman.h
• DiffieHellman.cpp