extra/libkeccak_state_wipe_sponge.c


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/* See LICENSE file for copyright and license details. */
#include "../common.h"


/**
 * Wipe data in the state's sponge without freeing any data
 * 
 * @param  state  The state that should be wipe
 */
void
libkeccak_state_wipe_sponge(volatile struct libkeccak_state *state)
{
	volatile uint64_t *restrict S = state->S.w64;
	size_t i;

	for (i = 0; i < 25; i++)
		S[i] = 0;
}