include::../description.adoc[]

== Noncompliant Code Example

----
$data = $_GET["data"];
$object = unserialize($data);
// ...
----

== Compliant Solution

----
$data = $_GET["data"];

list($hash, $data) = explode('|', $data, 2);
$hash_confirm = hash_hmac("sha256", $data, "secret-key");

// Confirm that the data integrity is not compromised
if ($hash === $hash_confirm) {
  $object = unserialize($data);
  // ...
}
----

include::../see.adoc[]
ifdef::env-github,rspecator-view[]

'''
== Implementation Specification
(visible only on this page)

include::../message.adoc[]

include::../highlighting.adoc[]

endif::env-github,rspecator-view[]