Adds libgcrypt implementation for elgamal in multiplicative group.

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

1 files changed, 10 insertions, 5 deletions

diff --git a/libcmix-crypto/elgamal/null/null_elgamal.c b/libcmix-crypto/elgamal/null/null_elgamal.c
index 285e2fd..17478e1 100644
--- a/libcmix-crypto/elgamal/null/null_elgamal.c
+++ b/libcmix-crypto/elgamal/null/null_elgamal.c
@@ -4,22 +4,27 @@
 #include <stddef.h>
 #include <stdbool.h>
 
+void elgamal_initialize(void) {}
+
 void elgamal_keypair_deleter(struct KeyPair p) {}
 
 struct KeyPair elgamal_create_keypair() {
 	return (struct KeyPair){
 		NULL,
 		NULL,
-		0,
-		0
 	};
 }
 
-void elgamal_shared_key_deleter(struct SharedKey s) {}
+void elgamal_get_key_array(char** buffer, size_t* len, void* pubkey) {}
+
+void elgamal_add_public_share(char** buffer, size_t* out_len, char const* share, size_t in_len, void* pubkey) {}
 
-struct SharedKey elgamal_derive_shared_key(struct KeyPair pair, unsigned char const* pub_key, bool swap_pub_order) {
+struct SharedKey elgamal_derive_shared_key(struct KeyPair pair, void const* pub_key, bool swap_pub_order) {
 	return (struct SharedKey){
 		NULL,
-		0
 	};
 }
+
+void elgamal_shared_key_deleter(struct SharedKey* s) {}
+
+void elgamal_deinitialize(void) {}