Closed
Description
This issue will be updated to reflect the current state of BIP324 integration.
PRs ready for review:
Overall plan:
- ElligatorSwift integration in Bitcoin Core (formerly 23432, 23561)
- Dependency: Jacobi symbol support in libsecp256k1: Native jacobi symbol algorithm bitcoin-core/secp256k1#979
- Dependency: ElligatorSwift support in libsecp256k1: ElligatorSwift + integrated x-only DH bitcoin-core/secp256k1#1129
- Dependency: update libsecp256k1 subtree: currently part of 27479.
- Main feature: BIP324: ElligatorSwift integrations #27479
- Cipher suite implementation (formerly 25361):
- Dependency: support for not wasting ChaCha20 stream bytes: Reduce wasted pseudorandom bytes in ChaCha20 + various improvements #26153
- Dependency: support for RFC8439 variant of ChaCha20: Add support for RFC8439 variant of ChaCha20 #27985
- Dependency: support for incremental Poly1305 computation: Make poly1305 support incremental computation + modernize #27993
- Main feature: BIP324 ciphersuite #28008
- Follow-up: crypto: BIP324 ciphersuite follow-up #28267
- Follow-up: Add fuzz test for FSChaCha20Poly1305, AEADChacha20Poly1305 #28263
- P2P v2 connection support (formerly 25361, 23233, 24545):
- Dependency: P2P transport abstraction: net: transport abstraction #28165
- Main feature: BIP324 connection support #28196
- Follow up: Follow-up to BIP324 connection support #28433
- Bugfix: tests: fix incorrect assumption in v2transport_test #28489
- Follow up: BIP change: net: Drop v2 garbage authentication packet #28525
- Follow up: BIP change: net: raise V1_PREFIX_LEN from 12 to 16 #28577
- Potential follow-up: decide how to report handshake/decoy bytes in per-message stats: BIP324 integration #28331 (comment)
- P2P v2 signalling/integration (formerly 24545):
- Main feature: BIP324 integration #28331
- Follow up test: test: BIP324: add checks for v1 prefix matching / wrong network magic detection #28588
- Follow up: make all functional tests compatible with v2: test: Make existing functional tests compatible with --v2transport #28805
- Potential follow-up: integrated connect/add/reconnect logic: BIP324 integration #28331 (comment)
- Potential follow-up: reuse
CNodeobjects on reconnect: BIP324 integration #28331 (comment) - Potential follow-up: use
V2Transportfor everything, dropping abstract class: BIP324 integration #28331 (comment) - Enable V2 by default: net: enable v2transport by default #29347
- BIP324 functional tests:
- Dependency: ElligatorSwift support in functional tests: test: add python implementation of Elligator swift #24005
- Dependency: Field element support in functional tests: Introduce secp256k1 module with field and group classes to test framework #26222
- Dependency: Python cryptography test: python cryptography required for BIP 324 functional tests #28374
- Main feature: test/BIP324: functional tests for v2 P2P encryption #24748
- P2P_V2 service flag support in DNS seeder:
- Main feature: Add NODE_P2P_V2 to filters sipa/bitcoin-seeder#102
Older stuff:
-
Prehistory:
- CKey negation (no longer needed): Add HKDF_HMAC256_L32 and method to negate a private key #14047
- ChaCha20 encryption: Add ChaCha20 encryption option (XOR) #15512
- Poly1305 authentication: Add Poly1305 implementation #15519
- Old ChaCha20Poly1305@Bitcoin cipher: Add ChaCha20Poly1305@Bitcoin AEAD #15649
- Preparing for multiple transport layers:
- Fuzz tests for various components:
- tests: Add fuzzing harness for V1TransportDeserializer (P2P transport) #17771
- tests: Add fuzzing harness for AES{CBC,}256{Encrypt,Decrypt}, poly1305_auth, CHKDF_HMAC_SHA256_L32, ChaCha20 and ChaCha20Poly1305AEAD #19296
- [fuzz] Improve transport deserialization fuzz test coverage #22029
- fuzz: Differential fuzzing to compare Bitcoin Core's and D. J. Bernstein's implementation of ChaCha20 #22704
- fuzz: follow up for #22704 #23806
- Miscellaneous fixes:
- ChaCha20 performance: Unroll the ChaCha20 inner loop for performance #24946
-
Superseded:
- Add p2p layer encryption with ECDH/ChaCha20Poly1305 #14032
- net: Refactor message parsing (CNetMessage), adds flexibility #14046
- Enable libsecp256k1 ecdh module, add ECDH function to CKey #14049
- Add chacha20/poly1305 and chacha20poly1305_AEAD from openssh #14050
- Add BIP324 encrypted p2p transport de-/serializer (only used in tests) #18242
- Alter the ChaCha20Poly1305@Bitcoin AEAD to the new specification #20962
- BIP324: Add encrypted p2p transport {de}serializer #23233
- [Fuzz] Poly1305 differential fuzzing against Floodyberry's implementation #23322
- BIP324: CKey encode/decode to elligator-swift #23432
- fuzz: Differential fuzzing for ChaCha20Forward4064-Poly1305@bitcoin cipher suite #23441
- rpc: p2p_v2 rpc argument for addnode #23900
- BIP324: Handshake prerequisites #23561
- BIP324: Enable v2 P2P encrypted transport #24545
- BIP324: Cipher suite #25361
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