src/third_party/trace-viewer/third_party/tvcm/third_party/Promises/reworked_APIs/WebCrypto/example/before.html

   1 <!DOCTYPE html>
   2 <html>
   3   <head>
   4     <title></title>
   5     <script>
   6       "use strict";
   7
   8       // Algorithm Object
   9       var algorithmKeyGen = {
  10         name: "RSASSA-PKCS1-v1_5",
  11         params: {
  12           modulusLength: 2048,
  13           publicExponent: new Uint8Array([0x01, 0x00, 0x01]),  // Equivalent to 65537
  14         }
  15       };
  16
  17       var algorithmSign = {
  18         name: "RSASSA-PKCS1-v1_5",
  19         params: { hash: { name: "SHA-256" } }
  20       };
  21
  22       var keyGen = this.crypto.generateKey(algorithmKeyGen, false, ["sign"]);
  23
  24       keyGen.oncomplete = function(event) {
  25         // Because we are not supplying data to .sign(), a multi-part
  26         // CryptoOperation will be returned, which requires us to call .process()
  27         // and .finish().
  28         var signer = window.crypt.sign(algorithmSign, event.target.result.privateKey);
  29         signer.oncomplete = function(event) {
  30           console.log("The signature is: " + event.target.result);
  31         }
  32         signer.onerror = function(event) {
  33           console.error("Unable to sign");
  34         }
  35
  36         var dataPart1 = convertPlainTextToArrayBufferView("hello,");
  37         var dataPart2 = convertPlainTextToArrayBufferView(" world!");
  38         // TODO: create example utility function that converts text -> ArrayBufferView
  39
  40         signer.process(dataPart1);
  41         signer.process(dataPart2);
  42         signer.finish();
  43       };
  44
  45       keyGen.onerror = function(event) {
  46         console.error("Unable to generate a key.");
  47       };
  48
  49     </script>
  50   </head>
  51   <body></body>
  52 </html>