sha256 encryption javascript code example

Example 1: sha256 javascript

async function sha256(message) {
    // encode as UTF-8
    const msgBuffer = new TextEncoder().encode(message);                    
    // hash the message
    const hashBuffer = await crypto.subtle.digest('SHA-256', msgBuffer);
    // convert ArrayBuffer to Array
    const hashArray = Array.from(new Uint8Array(hashBuffer));
    // convert bytes to hex string                  
    const hashHex = hashArray.map(b => ('00' + b.toString(16)).slice(-2)).join('');
    return hashHex;
}

Example 2: Sha256 decrypt javascript

<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/rollups/aes.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9/sha256.js"></script>