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Custom fork of rust-secp256k1 with unsafe modifications for higher speed. Unsuitable for production.
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Tobin Harding 6842383161 Use fixed width serde impls for keys 
Currently we serialize keys using the `BytesVisitor`, this causes the
serialized data to contain additional metadata encoding the length (an
extra 8 bytes) when serialized with the `bincode` crate. This extra data
is unnecessary since we know in advance the length of these types.

It would be useful for users of the lib to be able to get a fixed width
binary serialization, this can be done but it depends on the crate used
to do the serialization. We elect to optimise for `bincode` and add docs
noting that other binary serialization crates may differ (rustdocs added
in separate patches).

Implement a tuple based visitor that encodes the keys as fixed width
data.

Do fixed width serde implementations for:

- `SecretKey`
- `PublicKey`
- `KeyPair`
- `XOnlyPublicKey`
 		2022-06-09 16:09:31 +10:00
.github/workflows Update MSRV in CI and Readme from 1.29 to 1.41 2022-05-06 12:19:17 +03:00
contrib Merge rust-bitcoin/rust-secp256k1#422: Fix test script silent failure 2022-04-01 17:12:49 +00:00
examples Update rand to 0.8 and replace CounterRng with mock::StepRng 2022-06-07 23:59:40 +03:00
no_std_test Remove call to deprecated methods 2022-03-01 18:07:36 +00:00
secp256k1-sys Merge rust-bitcoin/rust-secp256k1#331: Update the code to edition 2018, and update dependencies 2022-06-08 20:53:41 +00:00
src Use fixed width serde impls for keys 2022-06-09 16:09:31 +10:00
.gitignore Added ECMULT window size 2019-07-03 17:48:35 -04:00
CHANGELOG.md bump version to 0.22.1 2022-03-10 22:38:25 +01:00
Cargo.toml Fix WASM build 2022-06-07 23:59:44 +03:00
LICENSE Remove the MIT/CC0 license in favor of just CC0 2015-03-25 18:36:30 -05:00
README.md Update MSRV in CI and Readme from 1.29 to 1.41 2022-05-06 12:19:17 +03:00
clippy.toml Update secp256k1 to edition 2018 and fix imports 2022-06-07 23:59:25 +03:00
rustfmt.toml Add a disabled rustfmt.toml 2022-01-21 10:04:46 +11:00

README.md

Build Status

Full documentation

rust-secp256k1

rust-secp256k1 is a wrapper around libsecp256k1, a C library by Pieter Wuille for producing ECDSA signatures using the SECG curve secp256k1. This library

  • exposes type-safe Rust bindings for all libsecp256k1 functions
  • implements key generation
  • implements deterministic nonce generation via RFC6979
  • implements many unit tests, adding to those already present in libsecp256k1
  • makes no allocations (except in unit tests) for efficiency and use in freestanding implementations

Contributing

Contributions to this library are welcome. A few guidelines:

  • Any breaking changes must have an accompanied entry in CHANGELOG.md
  • No new dependencies, please.
  • No crypto should be implemented in Rust, with the possible exception of hash functions. Cryptographic contributions should be directed upstream to libsecp256k1.
  • This library should always compile with any combination of features on Rust 1.41.1.

Fuzzing

If you want to fuzz this library, or any library which depends on it, you will probably want to disable the actual cryptography, since fuzzers are unable to forge signatures and therefore won't test many interesting codepaths. To instead use a trivially-broken but fuzzer-accessible signature scheme, compile with --cfg=fuzzing in your RUSTFLAGS variable.

Note that cargo hfuzz sets this config flag automatically.