forgot to add a file

src/data.zig

@@ -0,0 +1,20 @@
+const std = @import("std");
+const c = @cImport({
+    @cInclude("neonucleus.h");
+});
+
+pub export fn nn_data_crc32(inBuf: [*]const u8, len: usize, outBuf: [*]u8) void {
+    var digest = std.hash.Crc32.hash(inBuf[0..len]);
+    digest = std.mem.nativeToLittle(u32, digest);
+
+    const digestBuf: [4]u8 = @bitCast(digest);
+    std.mem.copyForwards(u8, outBuf[0..4], &digestBuf);
+}
+
+pub export fn nn_data_md5(inBuf: [*]const u8, len: usize, outBuf: [*]u8) void {
+    std.crypto.hash.Md5.hash(inBuf[0..len], @ptrCast(outBuf), .{});
+}
+
+pub export fn nn_data_sha256(inBuf: [*]const u8, len: usize, outBuf: [*]u8) void {
+    std.crypto.hash.sha2.Sha256.hash(inBuf[0..len], @ptrCast(outBuf), .{});
+}