Zig

Find Certificate by Serial Number

See more Cert Store Examples

Demonstrates how to find a certificate having the specified hexadecimal serial number.

Note: Requires Chilkat v10.1.2 or later.

Zig

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

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

    const cert_store = try chilkat.CertStore.init();
    defer cert_store.deinit();

    // This example will search the certs on connected USB tokens and smartcards.
    const arg_not_used = "";
    cert_store.openSmartcard(arg_not_used) catch {
        std.debug.print("{s}\n", .{try cert_store.getLastErrorText(alloc)});
        return;
    };

    // Find the certificate having a serial number = "48FC93B46055948D36A7C98A89D69416".
    const hex_serial = "48FC93B46055948D36A7C98A89D69416";
    const json = try chilkat.JsonObject.init();
    defer json.deinit();
    json.updateString("serial", hex_serial) catch {};

    const cert = try chilkat.Cert.init();
    defer cert.deinit();
    if (cert_store.findCert(json, cert)) {
        // Show the serial number and subject CN
        std.debug.print("Found: {s}, {s}\n", .{ try cert.getSerialNumber(alloc), try cert.getSubjectCN(alloc) });
    } else |_| {
        std.debug.print("Not found.\n", .{});
    }
}