112 lines
4.9 KiB
HTML
112 lines
4.9 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
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<!-- Bootstrap CSS -->
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<link rel="stylesheet" href="../public/css/styles.min.css">
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<meta name="theme-color" content="#ffffff">
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<title>CSR generation in browser</title>
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</head>
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<body>
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<div class="container">
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<h1>CSR generation in browser</h1>
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<div class="row">
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<div class="col-12">
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<form id="csr-form">
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<div class="form-group">
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<label for="nameInput">Your name</label>
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<input type="text" class="form-control" id="nameInput" aria-describedby="nameHelp" required
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minlength="3">
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<small id="nameHelp" class="form-text text-muted">Please input your name as it should be added to
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your certificate</small>
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</div>
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<fieldset class="form-group">
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<legend>RSA Key Size</legend>
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<div class="form-check">
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<input class="form-check-input" type="radio" name="keySize" id="size3072" value="3072"
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checked>
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<label class="form-check-label" for="size3072">3072 Bit</label>
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</div>
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<div class="form-check">
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<input class="form-check-input" type="radio" name="keySize" id="size2048" value="2048">
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<label class="form-check-label" for="size2048">2048 Bit (not recommended)</label>
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</div>
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<div class="form-check">
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<input class="form-check-input" type="radio" name="keySize" id="size4096" value="4096">
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<label class="form-check-label" for="size4096">4096 Bit</label>
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</div>
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<small id="keySizeHelp" class="form-text text-muted">An RSA key pair will be generated in your
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browser. Longer key sizes provide better security but take longer to generate.</small>
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</fieldset>
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<button type="submit" id="gen-csr-button" class="btn btn-primary">Generate Signing Request</button>
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</form>
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</div>
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</div>
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<div id="status-block" class="d-none row">
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<div class="col-12">
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<div class="d-flex align-items-center">
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<strong id="status-text">Loading ...</strong>
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<div class="spinner-border ml-auto" id="status-spinner" role="status" aria-hidden="true"></div>
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</div>
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</div>
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</div>
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<pre id="key"></pre>
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<pre id="csr"></pre>
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</div>
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<script src="../public/js/jquery.slim.min.js"></script>
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<script src="../public/js/forge.all.min.js"></script>
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<script src="../public/js/bootstrap.bundle.min.js"></script>
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<script>
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const keyElement = document.getElementById('key');
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document.getElementById('csr-form').onsubmit = function (event) {
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const subject = event.target["nameInput"].value;
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const keySize = parseInt(event.target["keySize"].value);
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if (isNaN(keySize)) {
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return false;
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}
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const spinner = document.getElementById('status-spinner');
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const statusText = document.getElementById('status-text');
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const statusBlock = document.getElementById('status-block');
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statusBlock.classList.remove('d-none');
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spinner.classList.remove('d-none');
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const state = forge.pki.rsa.createKeyPairGenerationState(keySize, 0x10001);
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statusText.innerHTML = 'started key generation';
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const startDate = new Date();
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const step = function () {
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let duration = (new Date()).getTime() - startDate.getTime();
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let seconds = Math.floor(duration / 100) / 10;
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if (!forge.pki.rsa.stepKeyPairGenerationState(state, 100)) {
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setTimeout(step, 1);
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statusText.innerHTML = `key generation running for ${seconds} seconds`;
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} else {
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statusText.innerHTML = `key generated in ${seconds} seconds`
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spinner.classList.add('d-none');
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const keys = state.keys;
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keyElement.innerHTML = forge.pki.privateKeyToPem(keys.privateKey);
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const csr = forge.pki.createCertificationRequest();
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csr.publicKey = keys.publicKey;
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csr.setSubject([{
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name: 'commonName',
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value: subject,
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valueTagClass: forge.asn1.Type.UTF8,
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}]);
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csr.sign(keys.privateKey, forge.md.sha256.create());
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const verified = csr.verify();
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if (verified) {
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document.getElementById("csr").innerHTML = forge.pki.certificationRequestToPem(csr);
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}
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}
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};
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setTimeout(step);
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return false;
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};
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</script>
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</body>
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</html>
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