[#EVP_RAND_CTX_new]
= EVP_RAND_CTX_new
:mrdocs:

Create a RAND context for `rand,` optionally chaining from a parent DRBG.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:EVP_RAND_CTX.adoc[EVP_RAND_CTX]*
EVP_RAND_CTX_new(
    xref:EVP_RAND.adoc[EVP_RAND]* rand,
    xref:EVP_RAND_CTX.adoc[EVP_RAND_CTX]* parent);
----

== Return Value

New EVP_RAND_CTX, or NULL on failure; free with EVP_RAND_CTX_free().

== Parameters

[cols="1,4"]
|===
| Name| Description
| *rand*
| Fetched EVP_RAND implementation (reference count is incremented).
| *parent*
| Optional parent EVP_RAND_CTX used as entropy source, or NULL.
|===


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