gnutls_cipher_decrypt2(3) gnutls gnutls_cipher_decrypt2(3)
NAME
gnutls_cipher_decrypt2 - API function
SYNOPSIS
#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);
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
DESCRIPTION
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_ci-
pher_tag().
RETURNS
Zero or a negative error code on error.
SINCE
2.12.0
REPORTING BUGS
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
COPYRIGHT
Copyright © 2001- 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 no-
tice 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/
gnutls 3.7.3 gnutls_cipher_decrypt2(3)
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