React Native

ScMinidriver - List Certificates on a Smart Card or USB Token

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Gets a list of certificates contained on a smart card or USB token. React Native

import { ScMinidriver, StringTable } from '@chilkat/react-native'

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

  const scmd = new ScMinidriver();

  // Reader names (smart card readers or USB tokens) can be discovered
  // via PCSC List Readers or PCSC Find Smart Cards
  const readerName = 'SCM Microsystems Inc. SCR33x USB Smart Card Reader 0';
  try {
    scmd.acquireContext(readerName);
  } catch {
    console.log(scmd.lastErrorText);
    return;
  }

  const stCerts = new StringTable();

  // We can choose one of the following items of information to get for each certificate:
  // "subjectDN" -- Return the full distinguished name of the cert.
  // "subjectDN_withTags" -- Same as above, but in a format that includes the subject part tags, such as the "CN=" in "CN=something"
  // "subjectCN" -- Return just the common name part of the certificate's subject.
  // "serial" -- Return the certificate serial number.
  // "serial:issuerCN" -- return the certificate serial number + the issuer's common name, delimited with a colon char.
  const certPart = 'subjectCN';

  try {
    scmd.listCerts(certPart, stCerts);
  } catch {
    console.log(scmd.lastErrorText);
    return;
  }

  const numCerts = stCerts.count;
  let i = 0;
  while (i < numCerts) {
    console.log(`${i}: ${stCerts.stringAt(i)}`);
    i++;
  }

  // Delete the context when finished with the card.
  try {
    scmd.deleteContext();
  } catch {
    console.log(scmd.lastErrorText);
  }
}