[#EVP_PKEY_CTX_set1_scrypt_salt]
= EVP_PKEY_CTX_set1_scrypt_salt
:mrdocs:

Set the scrypt salt on a KDF key context (copies `salt).`

== Synopsis

Declared in `<openssl/kdf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_PKEY_CTX_set1_scrypt_salt(
    xref:EVP_PKEY_CTX.adoc[EVP_PKEY_CTX]* ctx,
    unsigned char const* salt,
    int saltlen);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Context configured for the scrypt algorithm.
| *salt*
| Salt octets to copy.
| *saltlen*
| Length of `salt` in bytes.
|===


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