[#PKCS12_PBE_keyivgen]
= PKCS12_PBE_keyivgen
:mrdocs:

Initialise a cipher context for PKCS#12 PBE encryption or decryption.

== Synopsis

Declared in `<openssl/pkcs12.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
PKCS12_PBE_keyivgen(
    xref:EVP_CIPHER_CTX.adoc[EVP_CIPHER_CTX]* ctx,
    char const* pass,
    int passlen,
    xref:ASN1_TYPE.adoc[ASN1_TYPE]* param,
    xref:EVP_CIPHER-07.adoc[EVP_CIPHER] const* cipher,
    xref:EVP_MD.adoc[EVP_MD] const* md_type,
    int en_de);
----

== Return Value

1 on success, 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Cipher context to initialise.
| *pass*
| Passphrase (treated as a byte sequence).
| *passlen*
| Length of `pass,` or ‐1 to use strlen().
| *param*
| PBE algorithm parameters.
| *cipher*
| Cipher for the operation.
| *md_type*
| Message digest for key derivation.
| *en_de*
| 1 to encrypt, 0 to decrypt.
|===


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