Function validateJwk

lib/internal/crypto/webcrypto_util.js:145–206

(keyData, kty, extractable, usagesSet, expectedUse)

}

function validateJwk(keyData, kty, extractable, usagesSet, expectedUse) {
  if (typeof keyData.kty !== 'string')
    throw lazyDOMException('Invalid keyData', 'DataError');
  if (keyData.kty !== kty)
    throw lazyDOMException('Invalid JWK "kty" Parameter', 'DataError');
  switch (kty) {
    case 'RSA':
      if (typeof keyData.n !== 'string' ||
          typeof keyData.e !== 'string' ||
          (keyData.d !== undefined && typeof keyData.d !== 'string'))
        throw lazyDOMException('Invalid keyData', 'DataError');
      if (typeof keyData.d === 'string' &&
          (typeof keyData.p !== 'string' ||
           typeof keyData.q !== 'string' ||
           typeof keyData.dp !== 'string' ||
           typeof keyData.dq !== 'string' ||
           typeof keyData.qi !== 'string'))
        throw lazyDOMException('Invalid keyData', 'DataError');
      break;
    case 'EC':
      if (typeof keyData.crv !== 'string' ||
          typeof keyData.x !== 'string' ||
          typeof keyData.y !== 'string' ||
          (keyData.d !== undefined && typeof keyData.d !== 'string'))
        throw lazyDOMException('Invalid keyData', 'DataError');
      break;
    case 'OKP':
      if (typeof keyData.crv !== 'string' ||
          typeof keyData.x !== 'string' ||
          (keyData.d !== undefined && typeof keyData.d !== 'string'))
        throw lazyDOMException('Invalid keyData', 'DataError');
      break;
    case 'oct':
      if (typeof keyData.k !== 'string')
        throw lazyDOMException('Invalid keyData', 'DataError');
      break;
    case 'AKP':
      if (typeof keyData.alg !== 'string' ||
          typeof keyData.pub !== 'string' ||
          (keyData.priv !== undefined && typeof keyData.priv !== 'string'))
        throw lazyDOMException('Invalid keyData', 'DataError');
      break;
    /* c8 ignore start */
    default: {
      const assert = require('internal/assert');
      assert.fail('Unreachable code');
    }
    /* c8 ignore stop */
  }
  if (usagesSet.size > 0 && keyData.use !== undefined) {
    if (keyData.use !== expectedUse)
      throw lazyDOMException('Invalid JWK "use" Parameter', 'DataError');
  }
  validateKeyOps(keyData.key_ops, usagesSet);
  if (keyData.ext !== undefined &&
      keyData.ext === false &&
      extractable === true) {
    throw lazyDOMException(