(C++) PKCS11 Find all Public Keys

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Demonstrates how to list all public keys on an HSM.

Note: This example requires Chilkat v9.5.0.96 or later.

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#include <CkPkcs11.h>
#include <CkJsonObject.h>

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

    // Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

    CkPkcs11 pkcs11;

    // Use the PKCS11 driver (.dll, .so, .dylib) for your particular HSM.
    // (The format of the path will change with the operating system.  Obviously, "C:/" is not used on non-Windows systems.
    pkcs11.put_SharedLibPath("C:/Program Files (x86)/Gemalto/IDGo 800 PKCS#11/IDPrimePKCS1164.dll");

    // Establish a logged-on session. (We can typically skip the login by passing an empty PIN if only needing to list public keys)
    // Use your actual PIN here, or an empty string to skip login.
    const char *pin = "0000";
    int userType = 1;
    bool success = pkcs11.QuickSession(userType,pin);
    if (success == false) {
        std::cout << pkcs11.lastErrorText() << "\r\n";
        return;
    }

    // Note: To find public keys, we need a session, but it doesn't necessarily need to be logged-on.

    CkJsonObject json;
    json.put_EmitCompact(false);

    success = pkcs11.FindAllKeys("public",json);
    if (success == false) {
        std::cout << pkcs11.lastErrorText() << "\r\n";
        return;
    }

    std::cout << json.emit() << "\r\n";

    // Sample output, with parsing code below..

    // {
    //   "keys": [
    //     {
    //       "handle": 74842125,
    //       "id": "0001020304",
    //       "key_type": "RSA",
    //       "label": "Chilkat Software, Inc.",
    //       "modulus": "twVRf6O ... Rwa1ebFY0=",
    //       "exponent": "AAEAAQ=="
    //     },
    //     {
    //       "handle": 18415630,
    //       "id": "010203040A0B0C0D0E0F",
    //       "key_type": "RSA",
    //       "label": "ehealth private key",
    //       "modulus": "qdKjhOwA1 ... A4MtX8BYgHmLw==",
    //       "exponent": "AAEAAQ=="
    //     },
    //     {
    //       "handle": 3735567,
    //       "id": "D531B4B8F308489DA58350596178845973A4562E",
    //       "key_type": "RSA",
    //       "label": "d531b4b8-f308-489d-a583-505961788459",
    //       "modulus": "r0MmXRKBP ... HAd1kUPsNyzcQ==",
    //       "exponent": "AAEAAQ=="
    //     },
    //     {
    //       "handle": 238092304,
    //       "id": "0A0B0C0D01020304",
    //       "key_type": "RSA",
    //       "label": "MySshKey",
    //       "modulus": "ykFHcfBFOq ... rfXBK/6g9t+S6UjJ1kUQ==",
    //       "exponent": "AAEAAQ=="
    //     },
    //     {
    //       "handle": 49348625,
    //       "id": "48656C6C6F",
    //       "key_type": "RSA",
    //       "label": "2048-bit RSA key for testing",
    //       "modulus": "vReVaJzXZYIOB ... kamD/8iNvhAKlKbQ==",
    //       "exponent": "AAEAAQ=="
    //     }
    //   ]
    // }

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    int handle;
    const char *id = 0;
    const char *key_type = 0;
    const char *label = 0;
    const char *modulus = 0;
    const char *exponent = 0;

    int i = 0;
    int count_i = json.SizeOfArray("keys");
    while (i < count_i) {
        json.put_I(i);
        handle = json.IntOf("keys[i].handle");
        id = json.stringOf("keys[i].id");
        key_type = json.stringOf("keys[i].key_type");
        label = json.stringOf("keys[i].label");
        modulus = json.stringOf("keys[i].modulus");
        exponent = json.stringOf("keys[i].exponent");
        i = i + 1;
    }

    pkcs11.Logout();
    pkcs11.CloseSession();
    }