Zig Requires Chilkat v11.0.0+

RSA Import Public Key from Certificate PEM

See more RSA Examples

Uses a certificate's public key for RSA encryption. The public key from the certificate .pem file is used. Zig

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

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

    const cert = try chilkat.Cert.init();
    defer cert.deinit();

    cert.loadFromFile("qa_data/pem/mf_public_rsa.pem") catch {
        std.debug.print("{s}\n", .{try cert.getLastErrorText(alloc)});
        return;
    };

    const pub_key = try chilkat.PublicKey.init();
    defer pub_key.deinit();
    cert.getPublicKey(pub_key) catch {};

    const rsa = try chilkat.Rsa.init();
    defer rsa.deinit();
    rsa.usePublicKey(pub_key) catch {};

    rsa.setEncodingMode("base64");
    const encrypted_str = try rsa.encryptStringENC(alloc, "hello", false);
    std.debug.print("encrypted string = {s}\n", .{encrypted_str});
}