9c748550b4
Currently we have a few problems with our feature gating, attempt to audit all feature gating and fix it by doing: 1. Do not enable features on optional dependencies (`rand` and `bitcoin-hashes`) in dev-dependencies, doing so hides broken feature gating in unit tests. 2. Do not use unnecessary feature combinations when one feature enables another e.g. `any(feature = "std", feature = "alloc")`. 3. Enable "std" from "rand-std" and "bitcoin-std" (and fix features gating as for point 2). 4. Clean up code around `rand::thread_rng`, this is part of this patch because `thread_rng` requires the "rand-std" feature. 5. Clean up CI test script to test each feature individually now that "rand-std" and "bitcoin-hashes-std" enable "std". |
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| .github/workflows | ||
| contrib | ||
| examples | ||
| githooks | ||
| no_std_test | ||
| secp256k1-sys | ||
| src | ||
| tests | ||
| .gitignore | ||
| CHANGELOG.md | ||
| Cargo.toml | ||
| LICENSE | ||
| README.md | ||
| clippy.toml | ||
| rustfmt.toml | ||
README.md
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
libsecp256k1functions - 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.
Githooks
To assist devs in catching errors before running CI we provide some githooks. If you do not already have locally configured githooks you can use the ones in this repository by running, in the root directory of the repository:
git config --local core.hooksPath githooks/
Alternatively add symlinks in your .git/hooks directory to any of the githooks we provide.
Benchmarks
We use a custom Rust compiler configuration conditional to guard the bench mark code. To run the
bench marks use: RUSTFLAGS='--cfg=bench' cargo +nightly bench --features=recovery.
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.