mirror of
https://github.com/rspamd/rspamd.git
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333 lines
8.8 KiB
C
333 lines
8.8 KiB
C
/*
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* Copyright (c) 2015, Vsevolod Stakhov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "main.h"
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#include "shingles.h"
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#include "fstring.h"
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#include "ottery.h"
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#include "cryptobox.h"
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static const int mapping_size = 64 * 8192 + 1;
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static const int max_seg = 32;
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static const int random_fuzz_cnt = 10000;
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static void *
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create_mapping (int mapping_len, guchar **beg, guchar **end)
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{
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void *map;
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int psize = getpagesize ();
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map = mmap (NULL, mapping_len + psize * 3, PROT_READ|PROT_WRITE,
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MAP_ANON|MAP_SHARED, -1, 0);
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g_assert (map != 0);
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memset (map, 0, mapping_len + psize * 3);
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mprotect (map, psize, PROT_NONE);
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/* Misalign pointer */
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*beg = ((guchar *)map) + psize + 1;
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*end = *beg + mapping_len;
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mprotect (*beg + mapping_len - 1 + psize, psize, PROT_NONE);
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return map;
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}
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static void
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check_result (const rspamd_nm_t key, const rspamd_nonce_t nonce,
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const rspamd_sig_t mac, guchar *begin, guchar *end)
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{
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guint64 *t = (guint64 *)begin;
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g_assert (rspamd_cryptobox_decrypt_nm_inplace (begin, end - begin, nonce, key,
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mac));
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while (t < (guint64 *)end) {
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g_assert (*t == 0);
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t ++;
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}
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}
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static int
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create_random_split (struct rspamd_cryptobox_segment *seg, int mseg,
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guchar *begin, guchar *end)
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{
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gsize remain = end - begin;
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gint used = 0;
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while (remain > 0 && used < mseg - 1) {
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seg->data = begin;
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seg->len = ottery_rand_range (remain - 1) + 1;
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begin += seg->len;
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remain -= seg->len;
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used ++;
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seg ++;
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}
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if (remain > 0) {
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seg->data = begin;
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seg->len = remain;
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used ++;
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}
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return used;
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}
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static int
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create_realistic_split (struct rspamd_cryptobox_segment *seg, int mseg,
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guchar *begin, guchar *end)
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{
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gsize remain = end - begin;
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gint used = 0;
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static const int small_seg = 512, medium_seg = 2048;
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while (remain > 0 && used < mseg - 1) {
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seg->data = begin;
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if (ottery_rand_uint32 () % 2 == 0) {
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seg->len = ottery_rand_range (small_seg) + 1;
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}
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else {
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seg->len = ottery_rand_range (medium_seg) +
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small_seg;
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}
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if (seg->len > remain) {
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seg->len = remain;
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}
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begin += seg->len;
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remain -= seg->len;
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used ++;
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seg ++;
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}
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if (remain > 0) {
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seg->data = begin;
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seg->len = remain;
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used ++;
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}
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return used;
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}
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static int
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create_constrainted_split (struct rspamd_cryptobox_segment *seg, int mseg,
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int constraint,
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guchar *begin, guchar *end)
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{
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gsize remain = end - begin;
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gint used = 0;
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while (remain > 0 && used < mseg - 1) {
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seg->data = begin;
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seg->len = constraint;
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if (seg->len > remain) {
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seg->len = remain;
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}
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begin += seg->len;
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remain -= seg->len;
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used ++;
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seg ++;
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}
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if (remain > 0) {
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seg->data = begin;
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seg->len = remain;
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used ++;
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}
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return used;
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}
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void
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rspamd_cryptobox_test_func (void)
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{
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void *map;
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guchar *begin, *end;
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rspamd_nm_t key;
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rspamd_nonce_t nonce;
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rspamd_sig_t mac;
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struct rspamd_cryptobox_segment *seg;
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double t1, t2;
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gint i, cnt, ms;
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map = create_mapping (mapping_size, &begin, &end);
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ottery_rand_bytes (key, sizeof (key));
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ottery_rand_bytes (nonce, sizeof (nonce));
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memset (mac, 0, sizeof (mac));
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seg = g_slice_alloc0 (sizeof (*seg) * max_seg * 10);
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/* Test baseline */
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encrypt_nm_inplace (begin, end - begin, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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msg_info ("baseline encryption: %.6f", t2 - t1);
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/* A single chunk as vector */
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seg[0].data = begin;
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seg[0].len = end - begin;
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encryptv_nm_inplace (seg, 1, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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msg_info ("bulk encryption: %.6f", t2 - t1);
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/* Two chunks as vector */
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seg[0].data = begin;
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seg[0].len = (end - begin) / 2;
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seg[1].data = begin + seg[0].len;
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seg[1].len = (end - begin) - seg[0].len;
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encryptv_nm_inplace (seg, 2, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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msg_info ("2 equal chunks encryption: %.6f", t2 - t1);
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seg[0].data = begin;
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seg[0].len = 1;
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seg[1].data = begin + seg[0].len;
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seg[1].len = (end - begin) - seg[0].len;
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encryptv_nm_inplace (seg, 2, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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msg_info ("small and large chunks encryption: %.6f", t2 - t1);
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seg[0].data = begin;
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seg[0].len = (end - begin) - 3;
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seg[1].data = begin + seg[0].len;
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seg[1].len = (end - begin) - seg[0].len;
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encryptv_nm_inplace (seg, 2, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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msg_info ("large and small chunks encryption: %.6f", t2 - t1);
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/* Random two chunks as vector */
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seg[0].data = begin;
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seg[0].len = ottery_rand_range (end - begin - 1) + 1;
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seg[1].data = begin + seg[0].len;
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seg[1].len = (end - begin) - seg[0].len;
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encryptv_nm_inplace (seg, 2, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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msg_info ("random 2 chunks encryption: %.6f", t2 - t1);
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/* 3 specific chunks */
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seg[0].data = begin;
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seg[0].len = 2;
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seg[1].data = begin + seg[0].len;
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seg[1].len = 2049;
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seg[2].data = begin + seg[0].len + seg[1].len;
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seg[2].len = (end - begin) - seg[0].len - seg[1].len;
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encryptv_nm_inplace (seg, 3, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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msg_info ("small, medium and large chunks encryption: %.6f", t2 - t1);
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cnt = create_random_split (seg, max_seg, begin, end);
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encryptv_nm_inplace (seg, cnt, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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msg_info ("random split of %d chunks encryption: %.6f", cnt, t2 - t1);
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cnt = create_realistic_split (seg, max_seg, begin, end);
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encryptv_nm_inplace (seg, cnt, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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msg_info ("realistic split of %d chunks encryption: %.6f", cnt, t2 - t1);
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cnt = create_constrainted_split (seg, max_seg + 1, 32, begin, end);
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encryptv_nm_inplace (seg, cnt, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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msg_info ("constrainted split of %d chunks encryption: %.6f", cnt, t2 - t1);
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for (i = 0; i < random_fuzz_cnt; i ++) {
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ms = ottery_rand_range (i % max_seg * 2) + 1;
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cnt = create_random_split (seg, ms, begin, end);
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encryptv_nm_inplace (seg, cnt, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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if (i % 1000 == 0) {
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msg_info ("random fuzz iterations: %d", i);
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}
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}
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for (i = 0; i < random_fuzz_cnt; i ++) {
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ms = ottery_rand_range (i % max_seg * 2) + 1;
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cnt = create_realistic_split (seg, ms, begin, end);
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encryptv_nm_inplace (seg, cnt, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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if (i % 1000 == 0) {
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msg_info ("realistic fuzz iterations: %d", i);
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}
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}
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for (i = 0; i < random_fuzz_cnt; i ++) {
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ms = ottery_rand_range (i % max_seg * 10) + 1;
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cnt = create_constrainted_split (seg, ms, i, begin, end);
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t1 = rspamd_get_ticks ();
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rspamd_cryptobox_encryptv_nm_inplace (seg, cnt, nonce, key, mac);
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t2 = rspamd_get_ticks ();
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check_result (key, nonce, mac, begin, end);
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if (i % 1000 == 0) {
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msg_info ("constrainted fuzz iterations: %d", i);
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}
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}
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}
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