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NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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gnutls_cipher_decrypt2(3) gnutls gnutls_cipher_decrypt2(3)
gnutls_cipher_decrypt2 - API function
#include <gnutls/crypto.h>
int gnutls_cipher_decrypt2(gnutls_cipher_hd_t handle, const void *
ctext, size_t ctext_len, void * ptext, size_t ptext_len);
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
This function will decrypt the given data using the algorithm
specified by the context. For block ciphers the ctext_len must be a
multiple of the block size. For the supported ciphers the plaintext
data length will equal the ciphertext size.
Note that in AEAD ciphers, this will not check the tag. You will need
to compare the tag sent with the value returned from
gnutls_cipher_tag().
Zero or a negative error code on error.
2.12.0
Report bugs to <bugs@gnutls.org>.
Home page: http://www.gnutls.org
Copyright © 2001-2017 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.
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/
This page is part of the GnuTLS (GnuTLS Transport Layer Security
Library) project. Information about the project can be found at
⟨http://www.gnutls.org/⟩. If you have a bug report for this manual
page, send it to bugs@gnutls.org.. This page was obtained from the
tarball gnutls-3.6.1.tar.xz fetched from
⟨http://www.gnutls.org/download.html⟩ on 2018-02-02. If you discover
any rendering problems in this HTML version of the page, or you
believe there is a better or more up-to-date source for the page, or
you have corrections or improvements to the information in this
COLOPHON (which is not part of the original manual page), send a mail
to man-pages@man7.org
gnutls 3.6.1 gnutls_cipher_decrypt2(3)
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