Implement meshlink_sign() and _verify().

[meshlink] / src / meshlink.c

diff --git a/src/meshlink.c b/src/meshlink.c
index e5982721d533aadd2cafb8e775f6dcb7b1555916..61fe1cbe5fefaa797dde8db81626c0967725a189 100644 (file)
--- a/src/meshlink.c
+++ b/src/meshlink.c
@@ -927,12 +927,23 @@ size_t meshlink_get_all_nodes(meshlink_handle_t *mesh, meshlink_node_t **nodes,
        return i;
 }
 
-char *meshlink_sign(meshlink_handle_t *mesh, const char *data, size_t len) {
-       return NULL;
+bool meshlink_sign(meshlink_handle_t *mesh, const void *data, size_t len, void *signature, size_t *siglen) {
+       if(*siglen < MESHLINK_SIGLEN)
+               return false;
+       if(!ecdsa_sign(mesh->self->connection->ecdsa, data, len, signature))
+               return false;
+       *siglen = MESHLINK_SIGLEN;
+       return true;
 }
 
-bool meshlink_verify(meshlink_handle_t *mesh, meshlink_node_t *source, const char *data, size_t len, const char *signature) {
-       return false;
+bool meshlink_verify(meshlink_handle_t *mesh, meshlink_node_t *source, const void *data, size_t len, const void *signature, size_t siglen) {
+       if(siglen != MESHLINK_SIGLEN)
+               return false;
+       struct node_t *n = (struct node_t *)source;
+       node_read_ecdsa_public_key(mesh, n);
+       if(!n->ecdsa)
+               return false;
+       return ecdsa_verify(((struct node_t *)source)->ecdsa, data, len, signature);
 }
 
 static bool refresh_invitation_key(meshlink_handle_t *mesh) {