[#SHA256AutoDetect]
= SHA256AutoDetect
:mrdocs:

Autodetect the best available SHA256 implementation. Returns the name of the implementation.

== Synopsis

Declared in `<crypto/sha256.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::string
SHA256AutoDetect(xref:sha256_implementation/UseImplementation.adoc[sha256_implementation::UseImplementation] use_implementation = sha256_implementation::USE_ALL);
----

== Return Value

The name of the chosen implementation.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *use_implementation*
| Bit flags limiting which accelerated implementations may be selected.
|===


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