hashing.cpp

#include <node.h>
#include <node_buffer.h>
#include <stdint.h>
#include <v8.h>

extern "C" {
#include "yescrypt.h"
}

using namespace node;
using namespace v8;

// NODE_MAJOR_VERSION >=13

void yescrypt(const FunctionCallbackInfo<Value> &args) {
  v8::Isolate *isolate = args.GetIsolate();

  if (args.Length() < 1) {
    do {
      isolate->ThrowException(Exception::Error(
          String::NewFromUtf8(isolate, "You must provide one argument.")
              .ToLocalChecked()));
      return;
    } while (0);
  }

  Local<Context> context = isolate->GetCurrentContext();

  Local<Object> target = args[0]->ToObject(context).ToLocalChecked();
  if (!Buffer::HasInstance(target)) {
    do {
      isolate->ThrowException(Exception::Error(
          String::NewFromUtf8(isolate, "Argument should be a buffer object.")
              .ToLocalChecked()));
      return;
    } while (0);
  }

  char *input = Buffer::Data(target);
  char output[32];
  uint32_t input_len = Buffer::Length(target);

  yescrypt_hash(input, output);

  args.GetReturnValue().Set(Buffer::Copy(isolate, output, 32).ToLocalChecked());
}

void init(Local<Object> exports) { NODE_SET_METHOD(exports, "hash", yescrypt); }

NODE_MODULE(hashing, init)