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Man Pages


Manual Reference Pages  -  GNUTLS_AEAD_CIPHER_DECRYPT (3)

NAME

gnutls_aead_cipher_decrypt - API function

CONTENTS

Synopsis
Arguments
Copyright

SYNOPSIS

#include <gnutls/crypto.h>

int gnutls_aead_cipher_decrypt(gnutls_aead_cipher_hd_t handle, const void * nonce, size_t nonce_len, const void * auth, size_t auth_len, size_t tag_size, const void * ctext, size_t ctext_len, void * ptext, size_t * ptext_len);

ARGUMENTS

gnutls_aead_cipher_hd_t handle is a gnutls_aead_cipher_hd_t type.
const void * nonce the nonce to set
size_t nonce_len The length of the nonce
const void * auth the data to be authenticated
size_t auth_len The length of the data
size_t tag_size The size of the tag to use (use zero for the default)
const void * ctext the data to decrypt
size_t ctext_len the length of data to decrypt (includes tag size)
void * ptext the decrypted data
size_t * ptext_len the length of decrypted data (initially must hold the maximum available size)

DESCRIPTION

This function will decrypt the given data using the algorithm specified by the context. This function must be provided the whole data to be decrypted, including the tag, and will fail if the tag verification fails.

RETURNS

Zero or a negative error code on error.

SINCE

3.4.0

REPORTING BUGS

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

COPYRIGHT

Copyright © 2001-2016 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
http://www.gnutls.org/manual/
Search for    or go to Top of page |  Section 3 |  Main Index


gnutls GNUTLS_AEAD_CIPHER_DECRYPT (3) 3.4.9

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