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React Native

Decrypt2

See more MIME Examples

Demonstrates how to decrypt MIME using a certificate and private key where the certificate and its corresponding private key are stored in separate files -- a .cer for the certificate, and a .pem for the private key.

Chilkat React Native Downloads

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

function chilkatExample() {
  // This example assumes the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  const mime = new Mime();

  // Load the certificate from a .cer file.
  const cert = new Cert();
  try {
    cert.loadFromFile('aaworkarea/myCert.cer');
  } catch {
    console.log(cert.lastErrorText);
    return;
  }

  // Load the private key from an encrypted PEM file.
  // (A private key can be loaded from other file formats also..)
  const privKey = new PrivateKey();
  try {
    privKey.loadEncryptedPemFile('aaworkarea/myPrivateKey.pem', 'myPassword');
  } catch {
    console.log(privKey.lastErrorText);
    return;
  }

  try {
    mime.loadMimeFile('aaworkarea/encryptedMime.txt');
  } catch {
    console.log(mime.lastErrorText);
    return;
  }

  // Decrypt using the cert and associated private key
  try {
    mime.decrypt2(cert, privKey);
  } catch {
    console.log(mime.lastErrorText);
    return;
  }

  // Save the S/MIME to a file.
  try {
    mime.saveMime('aaworkarea/decryptedMime.txt');
  } catch {
    console.log(mime.lastErrorText);
    return;
  }

  console.log('success!');
}