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shishi_dr(3) shishi shishi_dr(3)

NAME

shishi_dr - API function

SYNOPSIS

#include <shishi.h>

int shishi_dr(Shishi * handle, Shishi_key * key, const char * prfconstant, size_t prfconstantlen, char * derivedrandom, size_t derivedrandomlen);

ARGUMENTS

shishi handle as allocated by shishi_init().
input array with cryptographic key to use.
input array with the constant string.
size of input array with the constant string.
output array with derived random data.
size of output array with derived random data.

DESCRIPTION

Derive "random" data from a key and a constant thusly: DR(KEY, PRFCONSTANT) = TRUNCATE(DERIVEDRANDOMLEN, SHISHI_ENCRYPT(KEY, PRFCONSTANT)).

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.

SEE ALSO

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

info shishi

should give you access to the complete manual.

1.0.3 shishi