[#EVP_PKEY_CTX_set_scrypt_p]
= EVP_PKEY_CTX_set_scrypt_p
:mrdocs:

Set the scrypt parallelization parameter p on a PKEY KDF context.

== Synopsis

Declared in `<openssl/kdf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_PKEY_CTX_set_scrypt_p(
    xref:EVP_PKEY_CTX.adoc[EVP_PKEY_CTX]* ctx,
    uint64_t p);
----

== Return Value

1 on success, or a negative value on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Context configured for the scrypt KDF.
| *p*
| Parallelization parameter.
|===


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