Moves cmix calculation stuff outisde of the node class.

Moves the computations and cryptography to the the libcmix library
where we can group and memory manage the underlying crypto-library.

1 files changed, 10 insertions, 4 deletions

diff --git a/libcmix-crypto/api.h b/libcmix-crypto/api.h
index 8c40d23..6d701d7 100644
--- a/libcmix-crypto/api.h
+++ b/libcmix-crypto/api.h
@@ -32,7 +32,7 @@ typedef void (*KeyPairDeleter)(struct KeyPair*);
  * \brief Defines how a Derived Shared Key function should look like.
  *        Used to store a pointer to function to a implementation.
  */
-typedef struct SharedKey (*SharedKeyDeriver)(struct KeyPair, unsigned char const*, size_t, unsigned char const*, size_t, GroupElement, bool);
+typedef GroupElement (*SharedKeyDeriver)(struct KeyPair, unsigned char const*, size_t, unsigned char const*, size_t, GroupElement, bool);
 
 /*!
  * \brief Defines how a Derived Shared Key deleter function should look like.
@@ -63,7 +63,7 @@ typedef GroupElement(*ArrayToElement)(char const*, size_t size, bool);
 /*!
  * \brief PublicShareAdder typedef
  */
-typedef void(*PublicShareAdder)(char**, size_t*, char const*, size_t, GroupElement);
+typedef void(*PublicShareAdder)(GroupElement*, char const*, size_t, GroupElement);
 
 /*!
  *
@@ -83,6 +83,11 @@ typedef GroupElement(*GroupElementMultiplier)(GroupElement, GroupElement, bool);
 /*!
  *
  */
+typedef size_t(*GroupElementArraySizeGetter)();
+
+/*!
+ *
+ */
 typedef void(*GroupElementDeleter)(GroupElement);
 
 /*!
@@ -95,12 +100,13 @@ typedef void (*Encrypter)(GroupElement*, GroupElement*, GroupElement, GroupEleme
  */
 struct Api {
 	Initializer initialize; ///< Function that will initialize the crypto library.
-	KeyPairCreator create_key_pair; ///< Pointer to keypair creation function
-	KeyPairDeleter free_key_pair; ///< Pointer to keypair deletor function
+	KeyPairCreator create_keypair; ///< Pointer to keypair creation function
+	KeyPairDeleter free_keypair; ///< Pointer to keypair deletor function
 	ElementToArray element_to_array; ///< Get the array representation of a public key
 	BufferDeleter free_buffer; ///< frees library allocated buffers.
 	ArrayToElement array_to_element; ///< The the GroupElement representation of this array;
 	GroupElementGetter get_group_element; ///< get group element
+	GroupElementArraySizeGetter get_group_element_array_size; ///< Return the size required to store a groupelement in an array;
 	GroupElementDeleter free_group_element; ///< frees a base type of the cryptolibrary.
 	KeyExchangeValueGetter get_key_exchange_value; ///< get generator *op* group element.
 	GroupElementMultiplier multiply; ///< Multiplies two groupelements modulo group.