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23 Commits

Author SHA1 Message Date
Felix Lange 0255951587 crypto: replace ToECDSAPub with error-checking func UnmarshalPubkey (#16932) 
ToECDSAPub was unsafe because it returned a non-nil key with nil X, Y in
case of invalid input. This change replaces ToECDSAPub with
UnmarshalPubkey across the codebase.
 2018-06-12 15:26:08 +02:00
David Huie 23ac783332 ecies: drop randomness parameter from `PrivateKey.Decrypt` (#16374) 
The parameter `rand` is unused in `PrivateKey.Decrypt`. Decryption in
the ECIES encryption scheme is deterministic, so randomness isn't
needed.
 2018-03-26 13:46:18 +03:00
JU HYEONG PARK 61c9730b2d p2p: fix doEncHandshake documentation (#16184) 2018-02-26 17:22:46 +01:00
Anton Evangelatov 1e457b6599 p2p: don't send DiscReason when using net.Pipe (#16004) 2018-02-22 11:41:06 +01:00
Péter Szilágyi 2ee885958b p2p: snappy encoding for devp2p (version bump to 5) (#15106) 
* p2p: snappy encoding for devp2p (version bump to 5)

* p2p: remove lazy decompression, enforce 16MB limit
 2017-09-26 16:54:49 +03:00
Felix Lange 9b0af51386 crypto: add btcec fallback for sign/recover without cgo (#3680) 
* vendor: add github.com/btcsuite/btcd/btcec

* crypto: add btcec fallback for sign/recover without cgo

This commit adds a non-cgo fallback implementation of secp256k1
operations.

* crypto, core/vm: remove wrappers for sha256, ripemd160
 2017-02-18 09:24:12 +01:00
Felix Lange b9b3efb09f all: fix ineffectual assignments and remove uses of crypto.Sha3 
go get github.com/gordonklaus/ineffassign
ineffassign .
 2017-01-09 16:24:42 +01:00
Felix Lange 659c0cb9e8 p2p: enable EIP-8 handshake sending 
With the Ethereum Homestead fork is now behind us, we can
assume that everyone runs an EIP-8 capable client.
 2016-04-03 23:10:11 +02:00
Ricardo Catalinas Jiménez 436fc8d76a all: Rename crypto.Sha3{,Hash}() to crypto.Keccak256{,Hash}() 
As we aren't really using the standarized SHA-3
 2016-02-21 22:34:34 +00:00
Felix Lange 7d8155714b p2p: EIP-8 changes 2016-02-19 11:14:48 +01:00
Gustav Simonsson c8ad64f33c crypto, crypto/ecies, crypto/secp256k1: libsecp256k1 scalar mult 
thanks to Felix Lange (fjl) for help with design & impl
 2015-11-30 13:43:32 +01:00
Felix Lange a89cfe92cc Merge pull request #1470 from ebuchman/encHandshake 
p2p: validate recovered ephemeral pubkey
 2015-08-13 11:59:27 +02:00
Felix Lange bfbcfbe4a9 all: fix license headers one more time 
I forgot to update one instance of "go-ethereum" in commit 3f047be5a.
 2015-07-23 18:35:11 +02:00
Felix Lange 3f047be5aa all: update license headers to distiguish GPL/LGPL 
All code outside of cmd/ is licensed as LGPL. The headers
now reflect this by calling the whole work "the go-ethereum library".
 2015-07-22 18:51:45 +02:00
Ethan Buchman 37efd08b42 p2p: validate recovered ephemeral pubkey against checksum in decodeAuthMsg 2015-07-14 03:06:44 +00:00
Felix Lange ea54283b30 all: update license information 2015-07-07 14:12:44 +02:00
Péter Szilágyi ff84352fb7 p2p: fix close data race 2015-06-09 16:12:24 +03:00
Felix Lange 1440f9a37a p2p: new dialer, peer management without locks 
The most visible change is event-based dialing, which should be an
improvement over the timer-based system that we have at the moment.
The dialer gets a chance to compute new tasks whenever peers change or
dials complete. This is better than checking peers on a timer because
dials happen faster. The dialer can now make more precise decisions
about whom to dial based on the peer set and we can test those
decisions without actually opening any sockets.

Peer management is easier to test because the tests can inject
connections at checkpoints (after enc handshake, after protocol
handshake).

Most of the handshake stuff is now part of the RLPx code. It could be
exported or move to its own package because it is no longer entangled
with Server logic.
 2015-05-25 01:17:14 +02:00
Felix Lange 429828cd92 p2p: reject messages that cannot be written as simple RLPx frames 
Until chunked frames are implemented we cannot send messages
with a size overflowing uint24.
 2015-03-04 16:42:01 +01:00
Felix Lange 22659a7fea p2p: restore read/write timeouts 
They got lost in the transition to rlpxFrameRW.
 2015-03-04 16:42:00 +01:00
Felix Lange d344054e5a p2p: make RLPx frame MAC 16 bytes as defined in the spec 2015-03-04 12:27:24 +01:00
Felix Lange 51e01cceca p2p: encrypted and authenticated RLPx frame I/O 2015-03-04 12:27:23 +01:00
Felix Lange 936dd0f3bc p2p: add basic RLPx frame I/O 2015-03-04 12:27:23 +01:00