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Quickstart

Sign a PDF with a .pfx (or .p12 / .pem) and a visible green-tick appearance.

sign.php
<?php
require 'vendor/autoload.php';

use Aniketc068\ATick\Atick;

$pdf = file_get_contents("doc.pdf");
$pfx = file_get_contents("my.pfx");

$signed = Atick::signPfx($pdf, $pfx, [
    "password" => "••••", "cn" => "Axonate Tech", "reason" => "Approved",
    "green_tick" => true, "page" => 1, "rect" => [300, 55, 575, 175],
    "pades" => true, "timestamp" => true, "ltv" => true,   // PAdES-B-LT
]);

file_put_contents("signed.pdf", $signed);

Open signed.pdf in Adobe Reader — for a trusted certificate it shows a valid green tick and “Signed and all signatures are valid.”

Options as a JSON string

$options is a PHP associative array (preferred), but a JSON string works too:

sign.php
<?php
require 'vendor/autoload.php';

use Aniketc068\ATick\Atick;

$signed = Atick::signPfx(file_get_contents("doc.pdf"), file_get_contents("my.pfx"),
    json_encode(["password" => "••••", "cn" => "Aniket", "pades" => true, "page" => 1, "rect" => [300, 55, 575, 175]]));
file_put_contents("signed.pdf", $signed);

A minimal, invisible signature

sign.php
$signed = Atick::signPfx($pdf, $pfx, ["password" => "••••", "placements" => [], "pades" => true]);

Catching errors

sign.php
use Aniketc068\ATick\AtickException;

try {
    Atick::signPfx($pdf, $pfx, ["password" => "wrong"]);
} catch (AtickException $e) {
    fwrite(STDERR, "signing failed: " . $e->getMessage() . "\n");
}

Next: see Signing for all the options, or the API reference.

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