libkeccak_hmac_marshal3
Marshals an hmac-hashing state
Usage
#include <libkeccak.h> size_t libkeccak_hmac_marshal(const struct libkeccak_hmac_state *state, void *data);
Link with -lkeccak.
Overview
The libkeccak_hmac_marshal() function marshals *state into the beginning of data.
Specific NULL as data to get minimum usable allocation size for data.
Return values
The libkeccak_hmac_marshal() returns the number of bytes written to data.
Errors
The libkeccak_hmac_marshal() function cannot fail.