---
name: "gnutls_cipher_decrypt3"
section: "3"
platform: "linux"
package: "gnutls"
version: "3.8.13-3"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/gnutls_cipher_decrypt3"
---

# gnutls\_cipher\_decrypt3(3)

API function

## NAME

gnutls\_cipher\_decrypt3 - API function

## SYNOPSIS

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

**int gnutls\_cipher\_decrypt3(gnutls\_cipher\_hd\_t** *handle***, const void \*** *ctext***, size\_t** *ctext\_len***, void \*** *ptext***, size\_t \*** *ptext\_len***, unsigned** *flags***);**

## ARGUMENTS

- gnutls\_cipher\_hd\_t handle

  is a **gnutls\_cipher\_hd\_t** type

- const void \* ctext

  the data to decrypt

- size\_t ctext\_len

  the length of data to decrypt

- void \* ptext

  the decrypted data

- size\_t \* ptext\_len

  the available length for decrypted data

- unsigned flags

  flags for padding

## DESCRIPTION

This function will decrypt the given data using the algorithm specified by the context. If  *flags* is specified, padding for the decrypted data will be removed accordingly and  *ptext\_len* will be updated.

## RETURNS

Zero or a negative error code on error.

## SINCE

3\.7.7

## REPORTING BUGS

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

## 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

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/