[#PKCS5_pbe_set0_algor]
= PKCS5_pbe_set0_algor
:mrdocs:

Set a PKCS#5 PBE algorithm OID and parameters into an existing X509_ALGOR.

== Synopsis

Declared in `<openssl/x509.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
PKCS5_pbe_set0_algor(
    xref:X509_ALGOR.adoc[X509_ALGOR]* algor,
    int alg,
    int iter,
    unsigned char const* salt,
    int saltlen);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *algor*
| AlgorithmIdentifier to update in place.
| *alg*
| PBE algorithm NID (for example NID_pbeWithMD5AndDES_CBC).
| *iter*
| PBKDF iteration count.
| *salt*
| Optional salt bytes, or NULL to generate `saltlen` random bytes (0 uses a default length).
| *saltlen*
| Salt length in bytes, or size to generate when `salt` is NULL.
|===


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