---
name: "gnutls_ia_verify_endphase"
section: "3"
platform: "linux"
package: "gnutls-doc"
version: "2.8.6-1+squeeze3"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/gnutls_ia_verify_endphase"
---

# gnutls\_ia\_verify\_endphase(3)

API function

## NAME

gnutls\_ia\_verify\_endphase - API function

## SYNOPSIS

**#include \<gnutls/extra.h\>**

**int gnutls\_ia\_verify\_endphase(gnutls\_session\_t** *session***, const char \*** *checksum***);**

## ARGUMENTS

- gnutls\_session\_t session

  is a **gnutls\_session\_t** structure.

- const char \* checksum

  12-byte checksum data, received from **gnutls\_ia\_recv()**.

## DESCRIPTION

Verify TLS/IA end phase checksum data.  If verification fails, the **GNUTLS\_A\_INNER\_APPLICATION\_VERIFICATION** alert is sent to the other sie.

This function is called when **gnutls\_ia\_recv()** return **GNUTLS\_E\_WARNING\_IA\_IPHF\_RECEIVED** or **GNUTLS\_E\_WARNING\_IA\_FPHF\_RECEIVED**.

## RETURN VALUE

Return 0 on successful verification, or an error code.  If the checksum verification of the end phase message fails, **GNUTLS\_E\_IA\_VERIFY\_FAILED** is returned.

## REPORTING BUGS

Report bugs to \<bug-gnutls@gnu.org\>. GnuTLS home page: http://www.gnu.org/software/gnutls/ General help using GNU software: http://www.gnu.org/gethelp/

## COPYRIGHT

Copyright © 2008 Free Software Foundation.\
 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

The full documentation for **gnutls** is maintained as a Texinfo manual.  If the **info** and **gnutls** programs are properly installed at your site, the command

-

  **info gnutls**

should give you access to the complete manual.
