libkeccak_state_duplicate3
Allocate a duplicate hash state
Usage
#include <libkeccak.h> struct libkeccak_state *libkeccak_state_duplicate(const struct libkeccak_state *src);
Link with -lkeccakP.
Overview
The libkeccak_state_duplicate() function allocates a new hash state and initialises it to be identical to *src. This includes all members of the struct libkeccak_state structure, including the state of the sponge and the message chunk buffer.
Return values
The libkeccak_state_duplicate() function returns a newly allocated struct libkeccak_state* (of one initialised element) upon successful completion. On error, NULL is returned and errno is set to describe the error.
Errors
The libkeccak_state_duplicate() function may fail for any specified for the function malloc(3).