> Implement a check for the blacklisted low order points, ala the X25519 has_small_order() function in libsodium
(#3010 (comment))
resolves first half of #3010
* crypto: revert to mainline Go crypto lib
We used to use a fork for a modified bcrypt so we could pass our own
randomness but this was largely unecessary, unused, and a burden.
So now we just use the mainline Go crypto lib.
* changelog
* fix tests
* version and changelog
Fixes#2715
In crawlPeersRoutine, which is performed when seedMode is run, there is
logic that disconnects the peer's state information at 3-hour intervals
through the duration value. The duration value is calculated by
referring to the created value of MConnection. When MConnection is
created for the first time, the created value is not initiated, so it is
not disconnected every 3 hours but every time it is disconnected. So,
normal nodes are connected to seedNode and disconnected immediately, so
address exchange does not work properly.
https://github.com/tendermint/tendermint/blob/master/p2p/pex/pex_reactor.go#L629
This point is not work correctly.
I think,
https://github.com/tendermint/tendermint/blob/master/p2p/conn/connection.go#L148
created variable is missing the current time setting.
* p2p/conn: FlushStop. Use in pex. Closes#2092
In seed mode, we call StopPeer immediately after Send.
Since flushing msgs to the peer happens in the background,
the peer connection is often closed before the messages are
actually sent out. The new FlushStop method allows all msgs
to first be written and flushed out on the conn before it is closed.
* fix dummy peer
* typo
* fixes from review
* more comments
* ensure pex doesn't call FlushStop more than once
FlushStop is not safe to call more than once,
but we call it from Receive in a go-routine so Receive
doesn't block.
To ensure we only call it once, we use the lastReceivedRequests
map - if an entry already exists, then FlushStop should already have
been called and we can return.
* Disable transitioning to new round upon 2/3+ of Precommit nils
Pull in ensureVote test function from https://github.com/tendermint/tendermint/pull/2132
* Add several ensureX test methods to wrap channel read with timeout
* Revert panic in tests
* update secret connection to use a little endian encoded nonce
* update encoding of chunk length to be little endian, too
* update comment
* Change comment slightly to trigger circelci
This now uses one hkdf on the X25519 shared secret to create
a key for the sender and receiver.
The hkdf call is now just called upon the computed shared
secret, since the shared secret is a function of the pubkeys.
The nonces now start at 0, as we are using chacha as a stream
cipher, and the sender and receiver now have different keys.
Generate keys with HKDF instead of hash functions, which provides better security properties.
Add xchacha20poly1305 to secret connection. (Due to rebasing, this code has been removed)
Currently the top level directory contains basically all of the code
for the crypto package. This PR moves the crypto code into submodules
in a similar manner to what `golang/x/crypto` does. This improves code
organization.
Ref discussion: https://github.com/tendermint/tendermint/pull/1966Closes#1956
except now we calculate the max size using the maxPacketMsgSize()
function, which frees developers from having to know amino encoding
details.
plus, 10 additional bytes are added to leave the room for amino upgrades
(both making it more efficient / less efficient)
As both configs are concerned with the p2p packaage and PeerConfig is
only used inside of the package there is no good reason to keep the
couple of fields separate, therefore it is collapsed into the more
general P2PConifg. This is a stepping stone towards a setup where the
components inside of p2p do not have any knowledge about the config.
follow-up to #1325
* use increment and decrement operators.
* remove unnecessary else branches.
* fix package comment with leading space.
* fix receiver names.
* fix error strings.
* remove omittable code.
* remove redundant return statement.
* Revert changes (code is generated.)
* use cfg as receiver name for all config-related types.
* use lsi as the receiver name for the LastSignedInfo type.
Ismail Khoffi
Thane Thomson
Ethan Buchman
Anton Kaliaev
Zarko Milosevic
Matthew Slipper
Dev Ojha
ValarDragon
Zaki Manian
Zach Ramsay
Liamsi
Alexander Simmerl
Jae Kwon
Thomas Corbière