[#EVP_MD_CTX_get0_md_data]
= EVP_MD_CTX_get0_md_data
:mrdocs:

Return the digest method's private data pointer for a context.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void*
EVP_MD_CTX_get0_md_data(xref:EVP_MD_CTX.adoc[EVP_MD_CTX] const* ctx);
----

== Return Value

Implementation‐specific data pointer (do not free), or NULL if unavailable.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Digest context to query.
|===


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