stalingino · January 8, 2024 12:22
diff --git a/SubtleCrypto.html b/SubtleCrypto.html
 <!DOCTYPE html>
 <html lang="en">
 <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
 </head>
 <body>
    <p id="enc" style="word-wrap: break-word;"></p>
    <p id="dec"></p>
    <script type="module">
        var keys = {
            privateKey: "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",
            publicKey: "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvjYWAiZgMlX5PwyjjKc9ATnC73na1IT9XToHxoHVtiz1aS9h6GBhD6aN2Iceaj5T1Nby5XJf/HG1cD7DwMQnn31rnJoE1OAE5s4YJW0vdM4vwsbODd6XoQK3i/1orn+26R12bFjyFUbXBSlJO45955pihfKLYdOpjwRvkALrJnW4p3MJx8CTF1jdJaG8J2k1sY/wNSVlyEwBFBmqjMxQk2clWqTUV5zG5LOnt2sJ3Onc2WBsH2VcennO7rJ/rDnlBDQ2kfjQ9XSDOovRRv8ETB0wV90Jy5V5ILJxGTFeSpit4YKORmSwhZyOm9R47K5MMaUWNh8BExxs5YOe5wBA6QIDAQAB"
        }
        function base64ToArrayBuffer(base64) {
            const binary_string = atob(base64);
            const len = binary_string.length;
            const bytes = new Uint8Array(len);
            for (let i = 0; i < len; i++) {
                bytes[i] = binary_string.charCodeAt(i);
            }
            return bytes.buffer;
        }
        // Utility function to convert ArrayBuffer to string
        function arrayBufferToString(arrayBuffer) {
            // Convert array buffer to binary string
            let binary = "";
            const bytes = new Uint8Array(arrayBuffer);
            for (let i = 0; i < bytes.byteLength; i++) {
                binary += String.fromCharCode(bytes[i]); 
            }
            // Convert binary string to base64
            return btoa(binary); 
        }
        var hwEnc = new TextEncoder().encode("Hello World")
        
        // Create private CryptoKey
        const privateCryptoKey = await crypto.subtle.importKey(
            "pkcs8",
            base64ToArrayBuffer(keys.privateKey), 
            {  
                name: "RSA-OAEP",
                hash: "SHA-256", 
            },
            true, 
            ["decrypt"]
        );
        
        // Create public CryptoKey 
        const publicCryptoKey = await crypto.subtle.importKey(
            "spki",
            base64ToArrayBuffer(keys.publicKey),
            {
                name: "RSA-OAEP",
                hash: "SHA-256",
            },
            true,
            ["encrypt"]
        );
        
        // browser code
        var encData = await crypto.subtle.encrypt({name: "RSA-OAEP"}, publicCryptoKey, hwEnc)
        document.getElementById('enc').innerHTML = arrayBufferToString(encData)
        
        // server code
        var decData = document.getElementById('enc').innerHTML
        var data = await crypto.subtle.decrypt({name: "RSA-OAEP"}, privateCryptoKey, base64ToArrayBuffer(decData))
        document.getElementById('dec').innerHTML = new TextDecoder().decode(data)
    </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Document</title>
	</head>
	<body>
	<p id="enc" style="word-wrap: break-word;"></p>
	<p id="dec"></p>
	<script type="module">
	var keys = {
	privateKey: "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",
	publicKey: "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvjYWAiZgMlX5PwyjjKc9ATnC73na1IT9XToHxoHVtiz1aS9h6GBhD6aN2Iceaj5T1Nby5XJf/HG1cD7DwMQnn31rnJoE1OAE5s4YJW0vdM4vwsbODd6XoQK3i/1orn+26R12bFjyFUbXBSlJO45955pihfKLYdOpjwRvkALrJnW4p3MJx8CTF1jdJaG8J2k1sY/wNSVlyEwBFBmqjMxQk2clWqTUV5zG5LOnt2sJ3Onc2WBsH2VcennO7rJ/rDnlBDQ2kfjQ9XSDOovRRv8ETB0wV90Jy5V5ILJxGTFeSpit4YKORmSwhZyOm9R47K5MMaUWNh8BExxs5YOe5wBA6QIDAQAB"
	}
	function base64ToArrayBuffer(base64) {
	const binary_string = atob(base64);
	const len = binary_string.length;
	const bytes = new Uint8Array(len);
	for (let i = 0; i < len; i++) {
	bytes[i] = binary_string.charCodeAt(i);
	}
	return bytes.buffer;
	}
	// Utility function to convert ArrayBuffer to string
	function arrayBufferToString(arrayBuffer) {
	// Convert array buffer to binary string
	let binary = "";
	const bytes = new Uint8Array(arrayBuffer);
	for (let i = 0; i < bytes.byteLength; i++) {
	binary += String.fromCharCode(bytes[i]);
	}
	// Convert binary string to base64
	return btoa(binary);
	}
	var hwEnc = new TextEncoder().encode("Hello World")

	// Create private CryptoKey
	const privateCryptoKey = await crypto.subtle.importKey(
	"pkcs8",
	base64ToArrayBuffer(keys.privateKey),
	{
	name: "RSA-OAEP",
	hash: "SHA-256",
	},
	true,
	["decrypt"]
	);

	// Create public CryptoKey
	const publicCryptoKey = await crypto.subtle.importKey(
	"spki",
	base64ToArrayBuffer(keys.publicKey),
	{
	name: "RSA-OAEP",
	hash: "SHA-256",
	},
	true,
	["encrypt"]
	);

	// browser code
	var encData = await crypto.subtle.encrypt({name: "RSA-OAEP"}, publicCryptoKey, hwEnc)
	document.getElementById('enc').innerHTML = arrayBufferToString(encData)

	// server code
	var decData = document.getElementById('enc').innerHTML
	var data = await crypto.subtle.decrypt({name: "RSA-OAEP"}, privateCryptoKey, base64ToArrayBuffer(decData))
	document.getElementById('dec').innerHTML = new TextDecoder().decode(data)
	</script>
	</body>
	</html>