@deftypefun {int} {gnutls_aead_cipher_decryptv2} (gnutls_aead_cipher_hd_t @var{handle}, const void * @var{nonce}, size_t @var{nonce_len}, const giovec_t * @var{auth_iov}, int @var{auth_iovcnt}, const giovec_t * @var{iov}, int @var{iovcnt}, void * @var{tag}, size_t @var{tag_size})
@var{handle}: is a @code{gnutls_aead_cipher_hd_t}  type.

@var{nonce}: the nonce to set

@var{nonce_len}: The length of the nonce

@var{auth_iov}: additional data to be authenticated

@var{auth_iovcnt}: The number of buffers in  @code{auth_iov} 

@var{iov}: the data to decrypt

@var{iovcnt}: The number of buffers in  @code{iov} 

@var{tag}: The authentication tag

@var{tag_size}: The size of the tag to use (use zero for the default)

This is similar to @code{gnutls_aead_cipher_decrypt()} , but it performs
in-place encryption on the provided data buffers.

@strong{Returns:} Zero or a negative error code on error.

@strong{Since:} 3.6.10
@end deftypefun