Zig Requires Chilkat v11.0.0+

Generate an ECDSA Key

See more ECC Examples

Demonstrates how to generate an ECDSA key. Zig

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

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

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Create a Fortuna PRNG and seed it with system entropy.
    // This will be our source of random data for generating the ECC private key.
    const fortuna = try chilkat.Prng.init();
    defer fortuna.deinit();
    const entropy = try fortuna.getEntropy(alloc, 32, "base64");
    try fortuna.addEntropy(entropy, "base64");

    const ecc = try chilkat.Ecc.init();
    defer ecc.deinit();

    // Generate a random ECC private key on the secp256r1 curve.
    // Chilkat also supports other curves, such as secp384r1, secp521r1, and secp256k1.

    const priv_key = try chilkat.PrivateKey.init();
    defer priv_key.deinit();
    ecc.genKey("secp256r1", fortuna, priv_key) catch {
        std.debug.print("{s}\n", .{try ecc.getLastErrorText(alloc)});
        return;
    };

    std.debug.print("{s}\n", .{try priv_key.getXml(alloc)});

    // Save the private key to PKCS8 encrypted PEM
    // (The private key can be saved in a variety of different formats. See the online reference documentation.)
    priv_key.savePkcs8EncryptedPemFile("pemPassword", "myPemFiles/eccKey123.pem") catch {
        std.debug.print("{s}\n", .{try priv_key.getLastErrorText(alloc)});
    };

    std.debug.print("finished.\n", .{});
}