[#EVP_aes_256_xts]
= EVP_aes_256_xts
:mrdocs:

Return the EVP_CIPHER for AES‐256 in XTS mode (IEEE 1619 / NIST SP 800‐38E).

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:EVP_CIPHER-07.adoc[EVP_CIPHER] const*
EVP_aes_256_xts();
----

== Return Value

Pointer to the cipher method (expects a 512‐bit key), or NULL if unavailable in this build.


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