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Zig Requires Chilkat v11.0.0+

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.

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Zig
const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    // 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 = try chilkat.StringBuilder.init();
    defer sb.deinit();
    const b_crlf = true;
    sb.appendLine("-----BEGIN ENCRYPTED PRIVATE KEY-----", b_crlf) catch {};
    sb.appendLine("MIGtMEkGCSqGSIb3DQEFDTA8MBsGCSqGSIb3DQEFDDAOBAiweNs9xIWNoAICCAAw", b_crlf) catch {};
    sb.appendLine("HQYJYIZIAWUDBAECBBCz0IMryNxuJEo5ChMktg9cBGCsKDEeRqGJX4g/X2c6CNtK", b_crlf) catch {};
    sb.appendLine("I8q7KClUwy9ms7ckHZAw/997WuW9QIGGnJEfHL/jSJsZViDwFAB4sunmdHSOTGMD", b_crlf) catch {};
    sb.appendLine("3ZINNlkA+XobMaQtj1HNERtb1qskW1mf/X0sauw5aPA=", b_crlf) catch {};
    sb.appendLine("-----END ENCRYPTED PRIVATE KEY-----", b_crlf) catch {};
    sb.appendLine("-----BEGIN CERTIFICATE-----", b_crlf) catch {};
    sb.appendLine("MIICzjCCAlOgAwIBAgIETULS8zAKBggqhkjOPQQDAzBtMQswCQYDVQQGEwJVUzEW", b_crlf) catch {};
    sb.appendLine("MBQGA1UEChMNRW50cnVzdCwgSW5jLjEfMB0GA1UECxMWRm9yIFRlc3QgUHVycG9z", b_crlf) catch {};
    sb.appendLine("ZXMgT25seTElMCMGA1UEAxMcRW50cnVzdCBFQ0MgRGVtb25zdHJhdGlvbiBDQTAe", b_crlf) catch {};
    sb.appendLine("Fw0xNjAzMTgxMjM5MzFaFw0xNjA1MTcxMzA5MzFaMFgxHzAdBgNVBAsTFkZvciBU", b_crlf) catch {};
    sb.appendLine("ZXN0IFB1cnBvc2VzIE9ubHkxHTAbBgNVBAsTFFBlcnNvbmEgTm90IFZlcmlmaWVk", b_crlf) catch {};
    sb.appendLine("MRYwFAYDVQQDEw1DaGlsa2F0IEFkbWluMHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE", b_crlf) catch {};
    sb.appendLine("uB62JGMJKXnp1PNsOOIYKGhrzfLev3O+UuthL6UzEqNNDTd8dEYMUQP/DTS3qk98", b_crlf) catch {};
    sb.appendLine("gyQEFxdmZUsPF0fFokkZZ1cV6z7QD3MsPvSjrBzB0GUB3r8CLnDK/F4pF2Q995hr", b_crlf) catch {};
    sb.appendLine("o4HYMIHVMA4GA1UdDwEB/wQEAwIDiDAdBgNVHSUEFjAUBggrBgEFBQcDAgYIKwYB", b_crlf) catch {};
    sb.appendLine("BQUHAwQwNwYDVR0fBDAwLjAsoCqgKIYmaHR0cDovL2NybC5lbnRydXN0LmNvbS9D", b_crlf) catch {};
    sb.appendLine("UkwvZWNjZGVtby5jcmwwIAYDVR0RBBkwF4EVYWRtaW5AY2hpbGthdHNvZnQuY29t", b_crlf) catch {};
    sb.appendLine("MB8GA1UdIwQYMBaAFCQFS+Fkghr4Ccz7eHkh+nDmkzLqMB0GA1UdDgQWBBTB82fm", b_crlf) catch {};
    sb.appendLine("vrdG2iX5uS/agVW3L4DisjAJBgNVHRMEAjAAMAoGCCqGSM49BAMDA2kAMGYCMQCH", b_crlf) catch {};
    sb.appendLine("ILghMprWoYPEp9mCE+tpVE7vYwkFV3m0RDzT2BSUezL8Ky78XNk+XPqSB2biT70C", b_crlf) catch {};
    sb.appendLine("MQDCase1oaPY4AxCmjB+rEB1ir+QS8mrtF+iCSqHVv1aIxT6abQL57BZSdvwIm/T", b_crlf) catch {};
    sb.appendLine("T8o=", b_crlf) catch {};
    sb.appendLine("-----END CERTIFICATE-----", b_crlf) catch {};
    sb.appendLine("-----BEGIN CERTIFICATE-----", b_crlf) catch {};
    sb.appendLine("MIICljCCAhugAwIBAgIETUHhezAKBggqhkjOPQQDAzBtMQswCQYDVQQGEwJVUzEW", b_crlf) catch {};
    sb.appendLine("MBQGA1UEChMNRW50cnVzdCwgSW5jLjEfMB0GA1UECxMWRm9yIFRlc3QgUHVycG9z", b_crlf) catch {};
    sb.appendLine("ZXMgT25seTElMCMGA1UEAxMcRW50cnVzdCBFQ0MgRGVtb25zdHJhdGlvbiBDQTAe", b_crlf) catch {};
    sb.appendLine("Fw0xMTAxMjcyMDQ5NTRaFw0zNjAxMjcyMTE5NTRaMG0xCzAJBgNVBAYTAlVTMRYw", b_crlf) catch {};
    sb.appendLine("FAYDVQQKEw1FbnRydXN0LCBJbmMuMR8wHQYDVQQLExZGb3IgVGVzdCBQdXJwb3Nl", b_crlf) catch {};
    sb.appendLine("cyBPbmx5MSUwIwYDVQQDExxFbnRydXN0IEVDQyBEZW1vbnN0cmF0aW9uIENBMHYw", b_crlf) catch {};
    sb.appendLine("EAYHKoZIzj0CAQYFK4EEACIDYgAEhCWBpuJuzvRtQyibkcbCj7EkcwAqS2EqRQ/Q", b_crlf) catch {};
    sb.appendLine("ntroTdRM2SssEN4TruTxtwcY/7lR64L6Tfjz3+ujrfjNFss3EWVpUlbOJ+xHC3xH", b_crlf) catch {};
    sb.appendLine("PteNyAGZtHbZO3tVuhP6yX6dFqCCo4GLMIGIMCsGA1UdEAQkMCKADzIwMTEwMTI3", b_crlf) catch {};
    sb.appendLine("MjA0OTU0WoEPMjAzNjAxMjcyMTE5NTRaMAsGA1UdDwQEAwIBBjAfBgNVHSMEGDAW", b_crlf) catch {};
    sb.appendLine("gBQkBUvhZIIa+AnM+3h5Ifpw5pMy6jAdBgNVHQ4EFgQUJAVL4WSCGvgJzPt4eSH6", b_crlf) catch {};
    sb.appendLine("cOaTMuowDAYDVR0TBAUwAwEB/zAKBggqhkjOPQQDAwNpADBmAjEAyAhA70OIb6lb", b_crlf) catch {};
    sb.appendLine("fN6kOTQloHyCLmihNK+PT5wOuaMR//KSQP2c/H18YhDYnlwMxF9fAjEA0URaJOXM", b_crlf) catch {};
    sb.appendLine("F0qwdvS2rm7N5PWMLc/4BbeOZyZ94XJiG5u96iTgp6N9JI0MMmCQE87N", b_crlf) catch {};
    sb.appendLine("-----END CERTIFICATE-----", b_crlf) catch {};

    const pem = try chilkat.Pem.init();
    defer pem.deinit();
    pem.loadPem(try sb.getAsString(alloc), "secret123") catch {
        std.debug.print("{s}\n", .{try pem.getLastErrorText(alloc)});
        return;
    };

    // Get the private key and examine it in JSON Web Key form (JWK)

    const priv_key = try chilkat.PrivateKey.init();
    defer priv_key.deinit();
    pem.privateKeyAt(0, priv_key) catch {
        std.debug.print("{s}\n", .{try pem.getLastErrorText(alloc)});
        return;
    };

    const json = try chilkat.JsonObject.init();
    defer json.deinit();
    json.load(try priv_key.getJwk(alloc)) catch {};
    json.setEmitCompact(false);
    std.debug.print("{s}\n", .{try json.emit(alloc)});

    // 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 = try chilkat.Cert.init();
    defer cert.deinit();
    pem.certAt(0, cert) catch {
        std.debug.print("{s}\n", .{try pem.getLastErrorText(alloc)});
        return;
    };

    const cert_xml = try cert.exportCertXml(alloc);
    std.debug.print("{s}\n", .{cert_xml});

    // 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>
    //
    //
    //
}