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React Native

Clear the S/MIME Recipient Certificate List

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Demonstrates ClearEncryptCerts, which empties the recipient-certificate list previously populated by AddEncryptCert. This is useful to start over with a different set of recipients before calling EncryptN.

Background. The recipient list is internal state that accumulates across AddEncryptCert calls. ClearEncryptCerts resets it so a subsequent EncryptN encrypts only for the certificates added afterward.

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

function chilkatExample() {
  const mime = new Mime();
  try {
    mime.setBodyFromPlainText('This message will be encrypted.');
  } catch {
    console.log(mime.lastErrorText);
    return;
  }

  // Add a recipient certificate.
  const cert = new Cert();
  try {
    cert.loadFromFile('qa_data/recipient.cer');
  } catch {
    console.log(cert.lastErrorText);
    return;
  }

  try {
    mime.addEncryptCert(cert);
  } catch {
    console.log(mime.lastErrorText);
    return;
  }

  // ClearEncryptCerts empties the recipient-certificate list, for example to start over with a
  // different set of recipients before calling EncryptN.  It is a void method.
  mime.clearEncryptCerts();

  console.log('Recipient certificate list cleared.');
}