Adds libgcrypt implementation for elgamal in multiplicative group.

Also adapts the API to both handle sodium and gcrypt libraries.

1 files changed, 12 insertions, 6 deletions

diff --git a/libcmix-crypto/curve25519/null/null_curve25519.c b/libcmix-crypto/curve25519/null/null_curve25519.c
index 63280ec..33fb963 100644
--- a/libcmix-crypto/curve25519/null/null_curve25519.c
+++ b/libcmix-crypto/curve25519/null/null_curve25519.c
@@ -4,22 +4,28 @@
 #include <stddef.h>
 #include <stdbool.h>
 
-void curve25519_keypair_deleter(struct KeyPair p) {}
+void curve25519_initialize(void){}
 
-struct KeyPair curve25519_create_keypair() {
+struct KeyPair curve25519_create_keypair(void) {
 	return (struct KeyPair){
 		NULL,
 		NULL,
-		0,
-		0
 	};
 }
 
-void curve25519_shared_key_deleter(struct SharedKey s) {}
+void curve25519_keypair_deleter(struct KeyPair* p) {}
+
+void curve25519_get_key_array(char** buffer, size_t* len, void* key) {}
+
+void curve25519_add_public_share(char** buffer, size_t* len_out, char const* share, size_t in_len, void* pubkey) {}
+
+void curve25519_shared_key_deleter(struct SharedKey* s) {}
+
 
 struct SharedKey curve25519_derive_shared_key(struct KeyPair pair, unsigned char const* pub_key, bool swap_pub_order) {
 	return (struct SharedKey){
 		NULL,
-		0
 	};
 }
+
+void curve25519_deinitialize(void){}
\ No newline at end of file