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React Native

Convert to DER encoded X.509 Certificate (.cer, .crt)

See more Certificates Examples

Loads a digital certificate from any format and saves to a binary DER encoded X.509 Certificate (.cer, .crt).

Chilkat React Native Downloads

React Native
import { Cert } from '@chilkat/react-native'

function chilkatExample() {
  const cert = new Cert();

  // LoadFromFile will load virtually any certificate format file.
  // It will auto-recognize the format and load appropiately.
  // In this case, load a PEM format certificate and convert to DER.
  try {
    cert.loadFromFile('/Users/chilkat/testData/pem/chilkat.pem');
  } catch {
    console.log(cert.lastErrorText);
    return;
  }

  try {
    cert.exportCertDerFile('chilkat.der');
  } catch {
    console.log(cert.lastErrorText);
    return;
  }

  console.log('Converted certificate from PEM to DER format.');
}