gnutls_decode_ber_digest_info(3)

API function

Section 3 gnutls-doc bookworm source

Description

gnutls_decode_ber_digest_info

NAME

gnutls_decode_ber_digest_info - API function

SYNOPSIS

#include <gnutls/crypto.h>

int gnutls_decode_ber_digest_info(const gnutls_datum_t * info, gnutls_digest_algorithm_t * hash, unsigned char * digest, unsigned int * digest_size);

ARGUMENTS

const gnutls_datum_t * info

an RSA BER encoded DigestInfo structure

gnutls_digest_algorithm_t * hash

will contain the hash algorithm of the structure

unsigned char * digest

will contain the hash output of the structure

unsigned int * digest_size

will contain the hash size of the structure; initially must hold the maximum size of digest

DESCRIPTION

This function will parse an RSA PKCS1 1.5 DigestInfo structure and report the hash algorithm used as well as the digest data.

RETURNS

On success, GNUTLS_E_SUCCESS (0) is returned, otherwise an error code is returned.

SINCE

3.5.0

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 notice and this notice are preserved.