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`new_nonce` has been an alias for `random_nonce` for a while now. Having
two names for the same operation is confusing. `random_nonce` better
expresses the intent. The documentation for `new_nonce` talks about
guaranteeing that the nonce is different from previous ones, which is
incorrect, it's just quite likely to be different.
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It is still C code, so still compatible with C compilers as well. This
change lets us see more clearly where implicit conversions occur by
making them explicit.
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It now enforces a bit more formatting. In particular, padding inside
parentheses is removed. I would like it to remove padding after unary
operators, but there seems to be no option for that.
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1. Current module (if C file).
2. Headers from current library.
3. Headers from other library (e.g. toxcore includes in toxav).
4. System headers.
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See #27 and #40 for details.
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fix: make increment_nonce & increment_nonce_number independent of user-controlled input
fix: make crypto_core more stable agains null ptr dereference
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Rename array in Node_format from client_id to public_key.
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They are now all uint16_t instead of sometimes being uint32_t.
Replaced some other uint32_t with unsigned ints.
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for the auto tests.
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with only the first byte set to 1 instead of 0 and the public key set
to the one of the reciever as a valid response packet.
This breaks network compatibility with all previous cores.
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that require sending ping type packets.
Made ping packets use it.
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Started writing the code.
Astyled some files.
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Moved Bunch of functions from net_crypto to crypto_core.
decrypt_data_fast and decrypt_data_symmetric were the same thing
therefore, removed decrypt_data_fast.
Replaced all the crypto_secretbox_* defines with the equivalent
crypto_box_* one.
New define: crypto_box_KEYBYTES that is equal to
crypto_box_BEFORENMBYTES.
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Use get_shared_key() in more places.
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Shared keys for recieved DHT packets are now stored in a special array
so that they don't need to be recomputed for nodes that send us lots of
packets.
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Same idea as last commit.
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Only compute the shared key once instead of twice for received DHT
requests/responses.
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Fixed a couple of issues related to that.
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building toxcore
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entries).
id_hash() was not at all working as expected for very small bucket size (when (size / 4) was zero). Simplified to be trivially correct.
Also added a used flag on adding an entry, which is set by callers if they have that association in active use. Those get priority over unused entries on collision.
Fleshed out test to be at least elementary useful.
Each group chat now uses an own, small assoc (80 entries).
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Besides acknowledging timeouts, the module isn't trying to do anything fancy with the data besides storing and retrieving.
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Conflicts:
toxcore/DHT.c
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Avoids a DOS of sending a copy of a valid response with an invalid IP.
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Also removed some old, useless loading code.
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cleanup_unix_time_id_eq_cpy_is_timeout
Conflicts:
toxcore/net_crypto.c
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unix_time():
- returns local value for current epoch
- value is updated explicitly with unix_time_update() called at new_DHT()/doMessenger()/do_DHT()
is_timeout():
- uses the local value for current epoch
id_cpy()/id_eq() => id_copy()/id_equal():
- centralized duplicate definitions
- replaced (most) memcpy()/memcmp() of (*, *, CLIENT_ID_SIZE) with id_copy()/id_equal()
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clients were connected.
Increased the number of ports tried per interval of time.
Also astyled the files.
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DHT.*, ping.*:
- moved stuff from struct DHT into struct PING: toping, last_toping
- moved functions add_toping(), do_toping()
- made id_closest() publicly accessible
- send_ping_request(): killed (Net_Crypto *c) parameter in favor of copying it into (PING *) on new_ping()
group_chats.c:
- killed local 1:1 copy in favor of DHT.c::id_closest()
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