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, 2 insertions, 4 deletions

diff --git a/libcmix-crypto/curve25519/sodium/libsodium_curve25519.c b/libcmix-crypto/curve25519/sodium/libsodium_curve25519.c
index 6c3fe13..2405442 100644
--- a/libcmix-crypto/curve25519/sodium/libsodium_curve25519.c
+++ b/libcmix-crypto/curve25519/sodium/libsodium_curve25519.c
@@ -47,7 +47,7 @@ void curve25519_add_public_share(char** buffer, size_t* out_len, char const* sha
 
 }
 
-struct SharedKey curve25519_derive_shared_key(struct KeyPair pair, unsigned char const* other_pub, size_t pub_len, unsigned char const* value, size_t value_len, void* priv_value, bool swap_pub_order) {
+GroupElement curve25519_derive_shared_key(struct KeyPair pair, unsigned char const* other_pub, size_t pub_len, unsigned char const* value, size_t value_len, void* priv_value, bool swap_pub_order) {
 	unsigned char* shared = (unsigned char*) sodium_malloc(crypto_generichash_BYTES);
 
 	crypto_generichash_state h;
@@ -71,9 +71,7 @@ struct SharedKey curve25519_derive_shared_key(struct KeyPair pair, unsigned char
 
 	sodium_free(scalarmult_q);
 
-	return (struct SharedKey){
-		shared,
-	};
+	return shared;
 }
 
 void curve25519_deinitialize(void) {}