[#EVP_MD_CTX_reset]
= EVP_MD_CTX_reset
:mrdocs:

Reset `ctx` so it can be reused with EVP_DigestInit_ex() without freeing it.

== Synopsis

Declared in `<openssl/evp.h>`

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

== Return Value

1 on success, or 0 on error.

== Parameters

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


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