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How to use convertDERSignatureToSubtle method in wpt

Best JavaScript code snippet using wpt

utils.js

Source:utils.js

...24  return s;25}26// Convert a EC signature from DER to a concatenation of the r and s parameters,27// as expected by the subtle crypto API.28function convertDERSignatureToSubtle(der) {29  let index = -1;30  const SEQUENCE = 0x30;31  const INTEGER = 0x02;32  assert_equals(der[++index], SEQUENCE);33  let size = der[++index];34  assert_equals(size + 2, der.length);35  assert_equals(der[++index], INTEGER);36  let rSize = der[++index];37  ++index;38  while (der[index] == 0) {39    ++index;40    --rSize;41  }42  let r = der.slice(index, index + rSize);...

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var der = fs.readFileSync('signature.der');4var signature = wptools.convertDERSignatureToSubtle(der);5console.log(signature);6var wptools = require('wptools');7var fs = require('fs');8var cert = fs.readFileSync('certificate.pem');9var signature = fs.readFileSync('signature.der');10var data = fs.readFileSync('data.txt');11var result = wptools.verifySignature(cert, data, signature, 'SHA-256');12console.log(result);

Using AI Code Generation

1const wptools = require('wptools');2const fs = require('fs');3const path = require('path');4const der = fs.readFileSync(path.resolve(__dirname, 'signature.der'));5const subtle = wptools.convertDERSignatureToSubtle(der);6console.log(subtle);

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