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Custom fork of rust-secp256k1 with unsafe modifications for higher speed. Unsuitable for production.
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Tobin Harding 97524b2da7 Deprecate generate_schnorrsig_keypair 
We have deprecated all other functions that use the identifier
'schnorrsig' but we missed `generate_schnorrsig_keypair`.

This function is purely a helper function and serves no real purpose
other than to reduce two lines of code to a single line. Downstream
users can write this function themselves if they need it.

Also, we recently added a new public method to `KeyPair` to get the
public key in a slightly more ergonomic fashion. Use `kp.public_key()`
when replacing usage of now deprecated `generate_schnorrsig_keypair`
function.
 		2022-01-12 18:23:40 +11:00
.github/workflows disable illumos and netbsd 2021-10-28 12:10:46 +02:00
contrib New alloc feature 2021-06-08 20:41:49 +02:00
examples Move `Signature` and `SerializedSignature` to new `ecdsa` module 2021-11-11 13:43:48 +11:00
no_std_test Move `Signature` and `SerializedSignature` to new `ecdsa` module 2021-11-11 13:43:48 +11:00
secp256k1-sys Use hyperlinks 2022-01-11 17:41:11 +11:00
src Deprecate generate_schnorrsig_keypair 2022-01-12 18:23:40 +11:00
.gitignore Added ECMULT window size 2019-07-03 17:48:35 -04:00
CHANGELOG.md Release 0.21.0 2022-01-04 14:30:00 +00:00
Cargo.toml Added missing features to docs.rs config 2022-01-07 01:12:41 +01:00
LICENSE Remove the MIT/CC0 license in favor of just CC0 2015-03-25 18:36:30 -05:00
README.md rename `rust_secp_fuzz` to `fuzzing` 2021-01-11 19:14:42 +00:00

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 1.29.

A note on Rust 1.29 support

The build dependency cc might require a more recent version of the Rust compiler. To ensure compilation with Rust 1.29.0, pin its version in your Cargo.lock with cargo update -p cc --precise 1.0.41. If you're using secp256k1 in a library, to make sure it compiles in CI, you'll need to generate a lockfile first. Example for Travis CI:

before_script:
  - if [ "$TRAVIS_RUST_VERSION" == "1.29.0" ]; then
    cargo generate-lockfile --verbose && cargo update -p cc --precise "1.0.41" --verbose;
    fi

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.