shishi_checksum - API function

       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.

       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.

       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.

       shishi_checksum - API function

       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/

       Returns SHISHI_OK iff successful.

       The full documentation for shishi is maintained as a Texinfo manual.  If the info and shishi programs are
       properly installed at your site, the command

              infoshishi

       should give you access to the complete manual.

shishi                                                1.0.3                                   shishi_checksum(3)

#include<shishi.h>intshishi_checksum(Shishi*handle,Shishi_key*key,intkeyusage,intcksumtype,constchar*in,size_tinlen,char**out,size_t*outlen);