[#EVP_PBE_alg_add]
= EVP_PBE_alg_add
:mrdocs:

Register a password‐based encryption algorithm by NID with cipher, digest, and keygen.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_PBE_alg_add(
    int nid,
    xref:EVP_CIPHER-07.adoc[EVP_CIPHER] const* cipher,
    xref:EVP_MD.adoc[EVP_MD] const* md,
    xref:EVP_PBE_KEYGEN.adoc[EVP_PBE_KEYGEN]* keygen);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *nid*
| NID of the PBE algorithm OID being registered.
| *cipher*
| Cipher used by the algorithm, or NULL if none.
| *md*
| Digest used by the algorithm, or NULL if none.
| *keygen*
| Key/IV derivation callback invoked for this PBE algorithm.
|===


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