[#PEM_X509_INFO_write_bio]
= PEM_X509_INFO_write_bio
:mrdocs:

Write the certificate, CRL, and/or private key from an X509_INFO as PEM.

== Synopsis

Declared in `<openssl/pem.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
PEM_X509_INFO_write_bio(
    xref:BIO.adoc[BIO]* bp,
    xref:X509_INFO.adoc[X509_INFO] const* xi,
    xref:EVP_CIPHER-07.adoc[EVP_CIPHER]* enc,
    unsigned char const* kstr,
    int klen,
    xref:pem_password_cb.adoc[pem_password_cb]* cd,
    void* u);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bp*
| BIO to write to.
| *xi*
| Bundle whose non‐NULL members are encoded.
| *enc*
| Optional cipher for encrypting a private key, or NULL.
| *kstr*
| Optional key material for `enc,` or NULL to prompt via `cd.`
| *klen*
| Length of `kstr` in bytes.
| *cd*
| Password callback used when encrypting without `kstr,` or NULL.
| *u*
| Application data passed to `cd.`
|===


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