shishi_checksum(3)

API function

Section 3 shishi-doc bookworm source

Description

shishi_checksum

NAME

shishi_checksum - API function

SYNOPSIS

#include <shishi.h>

int shishi_checksum(Shishi * handle, Shishi_key * key, int keyusage, int cksumtype, const char * in, size_t inlen, char ** out, size_t * outlen);

ARGUMENTS

Shishi * handle

shishi handle as allocated by shishi_init().

Shishi_key * key

key to compute checksum with.

int keyusage

integer specifying what this key is used for.

int cksumtype

the checksum algorithm to use.

const char * in

input array with data to integrity protect.

	size_t inlen	size of input array with data to integrity protect.
	char ** out	output array with newly allocated integrity protected data.

size_t * outlen

output variable with length of output array with checksum.

DESCRIPTION

Integrity protect data using key, possibly altered by supplied key usage. If key usage is 0, no key derivation is used. The OUT buffer must be deallocated by the caller.

RETURN VALUE

Returns SHISHI_OK iff successful.

REPORTING BUGS

Report bugs to <bug-shishi@gnu.org>. GNU Shishi home page: http://www.gnu.org/software/shishi/ General help using GNU software: http://www.gnu.org/gethelp/

COPYRIGHT

Copyright © 2002-2022 Simon Josefsson.
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.