gnutls\_pkcs7\_export(3) gnutls gnutls\_pkcs7\_export(3)

# [NAME](#NAME)

gnutls\_pkcs7\_export - API function

# [SYNOPSIS](#SYNOPSIS)

**#include <gnutls/pkcs7.h>**

**int gnutls\_pkcs7\_export(gnutls\_pkcs7\_t pkcs7, gnutls\_x509\_crt\_fmt\_t format, void * output\_data, size\_t * output\_data\_size);**

# [ARGUMENTS](#ARGUMENTS)

[gnutls\_pkcs7\_t pkcs7](#gnutls_pkcs7_t)

The pkcs7 type

[gnutls\_x509\_crt\_fmt\_t format](#gnutls_x509_crt_fmt_t)

the format of output params. One of PEM or DER.

[void * output\_data](#void)

will contain a structure PEM or DER encoded

[size\_t * output\_data\_size](#size_t)

holds the size of output\_data (and will be replaced by the actual size of parameters)

# [DESCRIPTION](#DESCRIPTION)

This function will export the pkcs7 structure to DER or PEM format.

If the buffer provided is not long enough to hold the output, then * *output\_data\_size* is updated and **GNUTLS\_E\_SHORT\_MEMORY\_BUFFER** will be returned.

If the structure is PEM encoded, it will have a header of "BEGIN PKCS7".

# [RETURNS](#RETURNS)

On success, **GNUTLS\_E\_SUCCESS** (0) is returned, otherwise a negative error value.

# [REPORTING BUGS](#REPORTING_BUGS)

Report bugs to <bugs@gnutls.org>.  
Home page: https://www.gnutls.org

# [COPYRIGHT](#COPYRIGHT)

Copyright © 2001-2023 Free Software Foundation, Inc., and others.  
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.

# [SEE ALSO](#SEE_ALSO)

The full documentation for **gnutls** is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit

[https://www.gnutls.org/manual/](https://www.gnutls.org/manual/)

3.8.13 gnutls

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Document: gnutls_pkcs7_export(3) from gnutls 3.8.13-r3 (Chainguard OS)
Source: https://gitlab.com/gnutls/gnutls