New benchmarks, removed native zig implemntation (#3)

* libsecp256k1 wrapper

* rm no need ptr

* latest benches

* bdhke tests

* new benchmark, rm native impl

build.zig

@@ -47,6 +47,7 @@ pub fn build(b: *std.Build) !void {
         .target = target,
         .optimize = optimize,
     });
+    exe.linkLibrary(libsecp256k1);
 
     b.installArtifact(exe);
 
@@ -90,6 +91,8 @@ pub fn build(b: *std.Build) !void {
     });
 
     bench.linkLibrary(libsecp256k1);
+    bench.root_module.addImport("zul", b.dependency("zul", .{}).module("zul"));
+
     const run_bench = b.addRunArtifact(bench);
 
     // Add option for report generation

build.zig.zon

@@ -23,44 +23,11 @@
     // Once all dependencies are fetched, `zig build` no longer requires
     // internet connectivity.
     .dependencies = .{
-        // See `zig fetch --save <url>` for a command-line interface for adding dependencies.
-        //.example = .{
-        //    // When updating this field to a new URL, be sure to delete the corresponding
-        //    // `hash`, otherwise you are communicating that you expect to find the old hash at
-        //    // the new URL.
-        //    .url = "https://example.com/foo.tar.gz",
-        //
-        //    // This is computed from the file contents of the directory of files that is
-        //    // obtained after fetching `url` and applying the inclusion rules given by
-        //    // `paths`.
-        //    //
-        //    // This field is the source of truth; packages do not come from a `url`; they
-        //    // come from a `hash`. `url` is just one of many possible mirrors for how to
-        //    // obtain a package matching this `hash`.
-        //    //
-        //    // Uses the [multihash](https://multiformats.io/multihash/) format.
-        //    .hash = "...",
-        //
-        //    // When this is provided, the package is found in a directory relative to the
-        //    // build root. In this case the package's hash is irrelevant and therefore not
-        //    // computed. This field and `url` are mutually exclusive.
-        //    .path = "foo",
-        //
-        //    // When this is set to `true`, a package is declared to be lazily
-        //    // fetched. This makes the dependency only get fetched if it is
-        //    // actually used.
-        //    .lazy = false,
-        //},
+        .zul = .{
+            .url = "https://github.com/karlseguin/zul/archive/ae0c27350c0db6b460f22cba30b6b0c4a02d1ffd.zip",
+            .hash = "1220457e2c8867f6734520d9b335f01e1d851d6fe7adaa7f6f0756158acaf6c5e87f",
+        },
     },
-
-    // Specifies the set of files and directories that are included in this package.
-    // Only files and directories listed here are included in the `hash` that
-    // is computed for this package. Only files listed here will remain on disk
-    // when using the zig package manager. As a rule of thumb, one should list
-    // files required for compilation plus any license(s).
-    // Paths are relative to the build root. Use the empty string (`""`) to refer to
-    // the build root itself.
-    // A directory listed here means that all files within, recursively, are included.
     .paths = .{
         "build.zig",
         "build.zig.zon",