Decryptor/Decryptor/ECDHKeypair.cpp

#include <stdint.h> 
#include "ECDHKeypair.h"
#include"Openssl_crypto.h"
uint32_t ECDHKeypair::generate_keypair()
  {
    return ecdh_key_gen(public_key, public_key+SGX_ECP256_KEY_SIZE, private_key);
  }

  void ECDHKeypair::get_public_key(uint8_t* op_public_key)
  {
	uint32_t counter; 
	for(counter=0 ; counter<ECDH_PUBLIC_KEY_SIZE; counter++) 
		op_public_key[counter] = public_key[counter]; 
  }

  void ECDHKeypair::get_private_key(uint8_t* op_private_key)
  {
	uint32_t counter; 
	for(counter=0; counter<ECDH_PRIVATE_KEY_SIZE; counter++) 
		op_private_key[counter] = private_key[counter]; 
  }

  void ECDHKeypair::set_private_public_key(uint8_t* ip_private_key, uint8_t* ip_public_key)
  {
	// TODO: DO SOME CHECKS HERE - TO MAKE SURE THAT IT IS A VALID KEYPAIR
	// IT SHOULD BE AS IT WOULD HAVE BEEN GENERATED BY THIS MODULE AND IF IT HAD BEEN TAMPERED (WHILE BEING SEALED), THEN THE MAC WOULD NOT HAVE WORKED OUT. 
	// BUT STILL... 
        uint32_t counter; 
        for(counter=0; counter<ECDH_PRIVATE_KEY_SIZE; counter++) 
                private_key[counter] = ip_private_key[counter]; 
        for(counter=0 ; counter<ECDH_PUBLIC_KEY_SIZE; counter++) 
                public_key[counter] = ip_public_key[counter]; 
  }