React Native Requires Chilkat v11.0.0+
React Native
Load Encrypted PEM Containing ECC Private Key and Certs and Examine Contents
See more PEM Examples
Loads an encrypted PEM containing an ECC private key and ECC certificate (and chain), and examines the contents.Chilkat React Native Downloads
import { Cert, JsonObject, Pem, PrivateKey, StringBuilder } from '@chilkat/react-native'
function chilkatExample() {
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Create a PEM containing a valid EC private key and certificates.
// The password for this encrypted PEM is "secret123"
const sb = new StringBuilder();
const bCrlf = true;
sb.appendLine('-----BEGIN ENCRYPTED PRIVATE KEY-----', bCrlf);
sb.appendLine('MIGtMEkGCSqGSIb3DQEFDTA8MBsGCSqGSIb3DQEFDDAOBAiweNs9xIWNoAICCAAw', bCrlf);
sb.appendLine('HQYJYIZIAWUDBAECBBCz0IMryNxuJEo5ChMktg9cBGCsKDEeRqGJX4g/X2c6CNtK', bCrlf);
sb.appendLine('I8q7KClUwy9ms7ckHZAw/997WuW9QIGGnJEfHL/jSJsZViDwFAB4sunmdHSOTGMD', bCrlf);
sb.appendLine('3ZINNlkA+XobMaQtj1HNERtb1qskW1mf/X0sauw5aPA=', bCrlf);
sb.appendLine('-----END ENCRYPTED PRIVATE KEY-----', bCrlf);
sb.appendLine('-----BEGIN CERTIFICATE-----', bCrlf);
sb.appendLine('MIICzjCCAlOgAwIBAgIETULS8zAKBggqhkjOPQQDAzBtMQswCQYDVQQGEwJVUzEW', bCrlf);
sb.appendLine('MBQGA1UEChMNRW50cnVzdCwgSW5jLjEfMB0GA1UECxMWRm9yIFRlc3QgUHVycG9z', bCrlf);
sb.appendLine('ZXMgT25seTElMCMGA1UEAxMcRW50cnVzdCBFQ0MgRGVtb25zdHJhdGlvbiBDQTAe', bCrlf);
sb.appendLine('Fw0xNjAzMTgxMjM5MzFaFw0xNjA1MTcxMzA5MzFaMFgxHzAdBgNVBAsTFkZvciBU', bCrlf);
sb.appendLine('ZXN0IFB1cnBvc2VzIE9ubHkxHTAbBgNVBAsTFFBlcnNvbmEgTm90IFZlcmlmaWVk', bCrlf);
sb.appendLine('MRYwFAYDVQQDEw1DaGlsa2F0IEFkbWluMHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE', bCrlf);
sb.appendLine('uB62JGMJKXnp1PNsOOIYKGhrzfLev3O+UuthL6UzEqNNDTd8dEYMUQP/DTS3qk98', bCrlf);
sb.appendLine('gyQEFxdmZUsPF0fFokkZZ1cV6z7QD3MsPvSjrBzB0GUB3r8CLnDK/F4pF2Q995hr', bCrlf);
sb.appendLine('o4HYMIHVMA4GA1UdDwEB/wQEAwIDiDAdBgNVHSUEFjAUBggrBgEFBQcDAgYIKwYB', bCrlf);
sb.appendLine('BQUHAwQwNwYDVR0fBDAwLjAsoCqgKIYmaHR0cDovL2NybC5lbnRydXN0LmNvbS9D', bCrlf);
sb.appendLine('UkwvZWNjZGVtby5jcmwwIAYDVR0RBBkwF4EVYWRtaW5AY2hpbGthdHNvZnQuY29t', bCrlf);
sb.appendLine('MB8GA1UdIwQYMBaAFCQFS+Fkghr4Ccz7eHkh+nDmkzLqMB0GA1UdDgQWBBTB82fm', bCrlf);
sb.appendLine('vrdG2iX5uS/agVW3L4DisjAJBgNVHRMEAjAAMAoGCCqGSM49BAMDA2kAMGYCMQCH', bCrlf);
sb.appendLine('ILghMprWoYPEp9mCE+tpVE7vYwkFV3m0RDzT2BSUezL8Ky78XNk+XPqSB2biT70C', bCrlf);
sb.appendLine('MQDCase1oaPY4AxCmjB+rEB1ir+QS8mrtF+iCSqHVv1aIxT6abQL57BZSdvwIm/T', bCrlf);
sb.appendLine('T8o=', bCrlf);
sb.appendLine('-----END CERTIFICATE-----', bCrlf);
sb.appendLine('-----BEGIN CERTIFICATE-----', bCrlf);
sb.appendLine('MIICljCCAhugAwIBAgIETUHhezAKBggqhkjOPQQDAzBtMQswCQYDVQQGEwJVUzEW', bCrlf);
sb.appendLine('MBQGA1UEChMNRW50cnVzdCwgSW5jLjEfMB0GA1UECxMWRm9yIFRlc3QgUHVycG9z', bCrlf);
sb.appendLine('ZXMgT25seTElMCMGA1UEAxMcRW50cnVzdCBFQ0MgRGVtb25zdHJhdGlvbiBDQTAe', bCrlf);
sb.appendLine('Fw0xMTAxMjcyMDQ5NTRaFw0zNjAxMjcyMTE5NTRaMG0xCzAJBgNVBAYTAlVTMRYw', bCrlf);
sb.appendLine('FAYDVQQKEw1FbnRydXN0LCBJbmMuMR8wHQYDVQQLExZGb3IgVGVzdCBQdXJwb3Nl', bCrlf);
sb.appendLine('cyBPbmx5MSUwIwYDVQQDExxFbnRydXN0IEVDQyBEZW1vbnN0cmF0aW9uIENBMHYw', bCrlf);
sb.appendLine('EAYHKoZIzj0CAQYFK4EEACIDYgAEhCWBpuJuzvRtQyibkcbCj7EkcwAqS2EqRQ/Q', bCrlf);
sb.appendLine('ntroTdRM2SssEN4TruTxtwcY/7lR64L6Tfjz3+ujrfjNFss3EWVpUlbOJ+xHC3xH', bCrlf);
sb.appendLine('PteNyAGZtHbZO3tVuhP6yX6dFqCCo4GLMIGIMCsGA1UdEAQkMCKADzIwMTEwMTI3', bCrlf);
sb.appendLine('MjA0OTU0WoEPMjAzNjAxMjcyMTE5NTRaMAsGA1UdDwQEAwIBBjAfBgNVHSMEGDAW', bCrlf);
sb.appendLine('gBQkBUvhZIIa+AnM+3h5Ifpw5pMy6jAdBgNVHQ4EFgQUJAVL4WSCGvgJzPt4eSH6', bCrlf);
sb.appendLine('cOaTMuowDAYDVR0TBAUwAwEB/zAKBggqhkjOPQQDAwNpADBmAjEAyAhA70OIb6lb', bCrlf);
sb.appendLine('fN6kOTQloHyCLmihNK+PT5wOuaMR//KSQP2c/H18YhDYnlwMxF9fAjEA0URaJOXM', bCrlf);
sb.appendLine('F0qwdvS2rm7N5PWMLc/4BbeOZyZ94XJiG5u96iTgp6N9JI0MMmCQE87N', bCrlf);
sb.appendLine('-----END CERTIFICATE-----', bCrlf);
const pem = new Pem();
try {
pem.loadPem(sb.getAsString(), 'secret123');
} catch {
console.log(pem.lastErrorText);
return;
}
// Get the private key and examine it in JSON Web Key form (JWK)
const privKey = new PrivateKey();
try {
pem.privateKeyAt(0, privKey);
} catch {
console.log(pem.lastErrorText);
return;
}
const json = new JsonObject();
json.load(privKey.getJwk());
json.emitCompact = false;
console.log(json.emit());
// JWK output:
// {
// "kty": "EC",
// "crv": "P-384",
// "x": "uB62JGMJKXnp1PNsOOIYKGhrzfLev3O-UuthL6UzEqNNDTd8dEYMUQP_DTS3qk98",
// "y": "gyQEFxdmZUsPF0fFokkZZ1cV6z7QD3MsPvSjrBzB0GUB3r8CLnDK_F4pF2Q995hr",
// "d": "ugTy2ZpuQqv1uQyLSgz1SPRvngzrd5vLyzU2ICaJd25zZRIxxlNR-uFo9UWC6llt"
// }
// Now get 1st certificate and examine in XML format:
const cert = new Cert();
try {
pem.certAt(0, cert);
} catch {
console.log(pem.lastErrorText);
return;
}
const certXml = cert.exportCertXml();
console.log(certXml);
// XML output:
// <?xml version="1.0" encoding="utf-8" ?>
// <sequence>
// <sequence>
// <contextSpecific tag="0" constructed="1">
// <int>02</int>
// </contextSpecific>
// <int>4D42D2F3</int>
// <sequence>
// <oid>1.2.840.10045.4.3.3</oid>
// </sequence>
// <sequence>
// <set>
// <sequence>
// <oid>2.5.4.6</oid>
// <printable>US</printable>
// </sequence>
// </set>
// <set>
// <sequence>
// <oid>2.5.4.10</oid>
// <printable>Entrust, Inc.</printable>
// </sequence>
// </set>
// <set>
// <sequence>
// <oid>2.5.4.11</oid>
// <printable>For Test Purposes Only</printable>
// </sequence>
// </set>
// <set>
// <sequence>
// <oid>2.5.4.3</oid>
// <printable>Entrust ECC Demonstration CA</printable>
// </sequence>
// </set>
// </sequence>
// <sequence>
// <utctime>160318123931Z</utctime>
// <utctime>160517130931Z</utctime>
// </sequence>
// <sequence>
// <set>
// <sequence>
// <oid>2.5.4.11</oid>
// <printable>For Test Purposes Only</printable>
// </sequence>
// </set>
// <set>
// <sequence>
// <oid>2.5.4.11</oid>
// <printable>Persona Not Verified</printable>
// </sequence>
// </set>
// <set>
// <sequence>
// <oid>2.5.4.3</oid>
// <printable>Chilkat Admin</printable>
// </sequence>
// </set>
// </sequence>
// <sequence>
// <sequence>
// <oid>1.2.840.10045.2.1</oid>
// <oid>1.3.132.0.34</oid>
// </sequence>
// <bits n="776">04B81EB62463092979E9D4F36C38E21828686BCDF2DEBF73BE52EB612FA53312A34D0D377C74460C5103FF0D34B7AA4F7C832404171766654B0F1747C5A24919675715EB3ED00F732C3EF4A3AC1CC1D06501DEBF022E70CAFC5E2917643DF7986B</bits>
// </sequence>
// <contextSpecific tag="3" constructed="1">
// <sequence>
// <sequence>
// <oid>2.5.29.15</oid>
// <bool>1</bool>
// <octets>AwIDiA==</octets>
// </sequence>
// <sequence>
// <oid>2.5.29.37</oid>
// <octets>MBQGCCsGAQUFBwMCBggrBgEFBQcDBA==</octets>
// </sequence>
// <sequence>
// <oid>2.5.29.31</oid>
// <octets>MC4wLKAqoCiGJmh0dHA6Ly9jcmwuZW50cnVzdC5jb20vQ1JML2VjY2RlbW8uY3Js</octets>
// </sequence>
// <sequence>
// <oid>2.5.29.17</oid>
// <octets>MBeBFWFkbWluQGNoaWxrYXRzb2Z0LmNvbQ==</octets>
// </sequence>
// <sequence>
// <oid>2.5.29.35</oid>
// <octets>MBaAFCQFS+Fkghr4Ccz7eHkh+nDmkzLq</octets>
// </sequence>
// <sequence>
// <oid>2.5.29.14</oid>
// <octets>BBTB82fmvrdG2iX5uS/agVW3L4Disg==</octets>
// </sequence>
// <sequence>
// <oid>2.5.29.19</oid>
// <octets>MAA=</octets>
// </sequence>
// </sequence>
// </contextSpecific>
// </sequence>
// <sequence>
// <oid>1.2.840.10045.4.3.3</oid>
// </sequence>
// <bits n="832">30660231008720B821329AD6A183C4A7D98213EB69544EEF6309055779B4443CD3D814947B32FC2B2EFC5CD93E5CFA920766E24FBD023100C26AC7B5A1A3D8E00C429A307EAC40758ABF904BC9ABB45FA2092A8756FD5A2314FA69B40BE7B05949DBF0226FD34FCA</bits>
// </sequence>
//
//
//
}