[#Obfuscation-operator_call]
= xref:Obfuscation.adoc[Obfuscation]::operator()
:relfileprefix: ../
:mrdocs:

Obfuscate (or de‐obfuscate) a byte range in place by XORing it with the key.

== Synopsis

Declared in `<util/obfuscation.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
operator()(
    std::span<std::byte> target,
    size_t key_offset = 0) const;
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *target*
| The bytes to transform in place.
| *key_offset*
| Byte offset into the stream, so a range can continue an earlier transformation.
|===


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