diff --git a/.github/.DS_Store b/.github/.DS_Store
new file mode 100644
index 0000000..2fadcff
Binary files /dev/null and b/.github/.DS_Store differ
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000..a16912a
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1 @@
+* @adeherysh
diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
new file mode 100644
index 0000000..0dd0a78
--- /dev/null
+++ b/.github/pull_request_template.md
@@ -0,0 +1,20 @@
+## What does this PR do?
+_Place what this pull request changes and anything affected. If your PR block or require another PR, also need to mention here_
+
+## Why are we doing this? Any context or related work?
+_You may put your link or another here_
+
+## Where should a reviewer start?
+_optional -- if your changes affected so much files, it is encouraged to give helper for reviewer_
+
+## Screenshots
+_optional -- You may put the database, sequence or any diagram needed_
+
+## Manual testing steps?
+_Steps to do tests. including all possible that can hape_
+
+## Config changes
+_optional -- If there's config changes, put it here_
+
+## Deployment instructions
+_optional -- Better to put it if there's some 'special case' for deployment_
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..d537d1f
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,39 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: rustfmt
+
+      - name: Install wasm-pack
+        run: cargo install wasm-pack
+
+      - name: Build WASM package
+        run: wasm-pack build --target bundler
+
+  semgrep:
+    runs-on: ubuntu-latest
+    if: github.actor != 'kitabisaengineer' && !endsWith(github.actor, '[bot]')
+    container:
+      image: semgrep/semgrep
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Run Semgrep
+        run: semgrep scan --config auto
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
new file mode 100644
index 0000000..a5331b6
--- /dev/null
+++ b/.github/workflows/publish.yaml
@@ -0,0 +1,38 @@
+name: Publish
+
+on:
+  release:
+    types: [released]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: rustfmt
+
+      - name: Install wasm-pack
+        run: cargo install wasm-pack
+
+      - name: Build WASM package
+        run: wasm-pack build --target bundler
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Install dependencies
+        working-directory: pkg
+        run: npm install
+
+      - name: Publish to npm
+        working-directory: pkg
+        run: npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPMJS_TOKEN }}
diff --git a/.github/workflows/release-please.yaml b/.github/workflows/release-please.yaml
new file mode 100644
index 0000000..08ff9ae
--- /dev/null
+++ b/.github/workflows/release-please.yaml
@@ -0,0 +1,16 @@
+name: Release Please
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Release please
+        uses: googleapis/release-please-action@v4
+        with:
+          release-type: rust
+          token: ${{ secrets.RELEASE_PLEASE_TOKEN }}
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..ddb2b4f
--- /dev/null
+++ b/Cargo.lock
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..507fe77
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,24 @@
+[package]
+name = "jwe-wasm"
+version = "0.1.0"
+authors = ["Ade Hery Shopyan <adeheryshopyan@gmail.com>"]
+edition = "2021"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+ring = { version = "0.17.8", features = ["wasm32_unknown_unknown_js"] }
+biscuit = "0.7"
+num-bigint = "0.4"
+wasm-bindgen = "0.2"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+base64 = "0.13"
+getrandom = { version = "0.2", features = ["js"] }
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3"
+
+[package.metadata.wasm-bindgen]
+name = "jwe-wasm"
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..a4152f5
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Kitabisa
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..7cbda77
--- /dev/null
+++ b/README.md
@@ -0,0 +1,31 @@
+<p align="center">
+  <a href="https://kitabisa.com">
+    jwe-wasm
+  </a>
+</p>
+
+<p align="center">
+  Library for encryption / decryption JWE using <a href="https://github.com/lawliet89/biscuit">Biscuit</a>
+</p>
+
+<p align="center">
+  <a href="https://github.com/kitabisa/jwe-wasm/actions/workflows/ci.yaml"><img src="https://img.shields.io/github/actions/workflow/status/kitabisa/jwe-wasm/ci.yaml?branch=main" alt="Build Status"></a>
+  <a href="https://www.npmjs.com/package/@kitabisa/jwe-wasm"><img src="https://img.shields.io/npm/dt/@kitabisa/jwe-wasm.svg" alt="NPM Downloads"></a>
+  <a href="https://github.com/kitabisa/jwe-wasm/releases"><img src="https://img.shields.io/github/v/release/kitabisa/jwe-wasm" alt="Latest Release"></a>
+  <a href="https://github.com/kitabisa/jwe-wasm/blob/main/LICENSE"><img src="https://img.shields.io/npm/l/@kitabisa/jwe-wasm.svg" alt="License"></a>
+</p>
+
+------
+
+## Features
+
+ * Written in [Rust](https://github.com/rust-lang/rust)
+ * Build with [Wasm-Pack](https://github.com/rustwasm/wasm-pack)
+
+## Getting Started
+
+Setup jwe-wasm with npm
+
+```
+$ npm install @kitabisa/jwe-wasm
+```
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..441f5b4
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,56 @@
+use wasm_bindgen::prelude::*;
+use biscuit::Empty;
+use biscuit::jwk::JWK;
+use biscuit::jwe;
+use biscuit::jwa::{EncryptionOptions, KeyManagementAlgorithm, ContentEncryptionAlgorithm};
+use num_bigint::BigUint;
+use base64;
+use serde_json;
+
+#[wasm_bindgen]
+pub fn encrypt(payload: &str, key: &str) -> Result<JsValue, JsValue> {
+  let jwk_key: JWK<Empty> = serde_json::from_str(key).map_err(|e| e.to_string())?;
+  
+  let jwe = jwe::Compact::new_decrypted(
+    From::from(jwe::RegisteredHeader {
+      cek_algorithm: KeyManagementAlgorithm::A256GCMKW,
+      enc_algorithm: ContentEncryptionAlgorithm::A256GCM,
+      ..Default::default()
+    }),
+    payload.as_bytes().to_vec(),
+  );
+
+  let nonce_counter = BigUint::from_bytes_le(&vec![0; 96 / 8]);
+  assert!(nonce_counter.bits() <= 96);
+  let mut nonce_bytes = nonce_counter.to_bytes_le();
+  nonce_bytes.resize(96 / 8, 0);
+  let options = EncryptionOptions::AES_GCM { nonce: nonce_bytes };
+
+  let encrypted_jwe = jwe.encrypt(&jwk_key, &options).map_err(|e| e.to_string())?;
+  let encrypted_jwe_str = serde_json::to_string(&encrypted_jwe).map_err(|e| e.to_string())?;
+  let encrypted_jwe_base64 = base64::encode(&encrypted_jwe_str);
+
+  Ok(JsValue::from_str(&encrypted_jwe_base64))
+}
+
+#[wasm_bindgen]
+pub fn decrypt(encrypted_jwe: &str, key: &str) -> Result<String, JsValue> {
+  let encrypted_jwe_str = base64::decode(encrypted_jwe).map_err(|e| e.to_string())?;
+  let encrypted_jwe_json = String::from_utf8(encrypted_jwe_str).map_err(|e| e.to_string())?;
+  
+  let jwk_key: JWK<Empty> = serde_json::from_str(key).map_err(|e| e.to_string())?;
+  let encrypted_jwe: jwe::Compact<Vec<u8>, Empty> = serde_json::from_str(&encrypted_jwe_json).map_err(|e| e.to_string())?;
+
+  let decrypted_jwe = encrypted_jwe
+    .decrypt(
+      &jwk_key,
+      KeyManagementAlgorithm::A256GCMKW,
+      ContentEncryptionAlgorithm::A256GCM,
+    )
+    .map_err(|e| e.to_string())?;
+
+  let decrypted_payload: &Vec<u8> = decrypted_jwe.payload().unwrap();
+  let decrypted_str = std::str::from_utf8(&*decrypted_payload).map_err(|e| e.to_string())?;
+  
+  Ok(decrypted_str.to_string())
+}