/* Measure the performance of a hashing primitive */
static void perf_hash(int id)
{
NoiseHashState *hash;
uint8_t data[BLOCK_SIZE];
timestamp_t start, end;
int count;
double elapsed;
if (noise_hashstate_new_by_id(&hash, id) != NOISE_ERROR_NONE)
return;
memset(data, 0xAA, sizeof(data));
noise_hashstate_reset(hash);
start = current_timestamp();
for (count = 0; count < (MB_COUNT * BLOCKS_PER_MB); ++count)
noise_hashstate_update(hash, data, sizeof(data));
end = current_timestamp();
elapsed = elapsed_to_seconds(start, end) / (double)MB_COUNT;
printf("%-20s%8.2f %8.2f\n",
noise_id_to_name(NOISE_HASH_CATEGORY, id),
1.0 / elapsed, units / elapsed);
noise_hashstate_free(hash);
}
/**
* \brief Frees a SymmetricState object after destroying all sensitive material.
*
* \param state The SymmetricState object to free.
*
* \return NOISE_ERROR_NONE on success.
* \return NOISE_ERROR_INVALID_PARAM if \a state is NULL.
*
* \sa noise_symmetricstate_new_by_id(), noise_symmetricstate_new_by_name()
*/
int noise_symmetricstate_free(NoiseSymmetricState *state)
{
/* Bail out if no symmetric state */
if (!state)
return NOISE_ERROR_INVALID_PARAM;
/* Free the sub objects that are hanging off the symmetricstate */
if (state->cipher)
noise_cipherstate_free(state->cipher);
if (state->hash)
noise_hashstate_free(state->hash);
/* Clean and free the memory for "state" */
noise_free(state, state->size);
return NOISE_ERROR_NONE;
}
