rust-secp256k1-unsafe-fast/CHANGELOG.md

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# 0.24.1 - 2022-10-25
* [Fix broken deserialization logic of `KeyPair`](https://github.com/rust-bitcoin/rust-secp256k1/issues/491) that previously always panicked. After the patch deserialization only panics if neither the `global-context` nor the `alloc` (default) feature is active.
# 0.24.0 - 2022-07-20
* Upgrade to new release of [bitcoin_hashes](https://github.com/rust-bitcoin/bitcoin_hashes/releases/tag/0.11.0).
2022-07-14 14:10:59 +00:00
# 0.23.4 - 2022-07-14
* [Disable automatic rerandomization of contexts under WASM](https://github.com/rust-bitcoin/rust-secp256k1/pull/474)
# 0.23.3 - 2022-06-29
* [Add must_use for mut self key manipulation methods](https://github.com/rust-bitcoin/rust-secp256k1/pull/465)
* [Fix fuzzing feature guard](https://github.com/rust-bitcoin/rust-secp256k1/pull/466)
# 0.23.2 - 2022-06-27
* [Move `cbor` to dev-dependencies](https://github.com/rust-bitcoin/rust-secp256k1/pull/461)
* [Derive `Hash` for `RecoverableSignature`](https://github.com/rust-bitcoin/rust-secp256k1/pull/462)
# 0.23.1 - 2022-06-24
[Enable "rand/std_rng" feature](https://github.com/rust-bitcoin/rust-secp256k1/pull/460) when the crate's "rnd-std" feature is enabled.
# 0.23.0 - 2022-06-21
The major change in this version is the increase of the Minimum Supported Rust Version (MSRV) from 1.29 to 1.41.1, this is a big change because it introduces Rust Edition 2018 to the codebase along with all the benefits that brings.
## Breaking changes
* [MSRV bumped to 1.41.1 and edition changed to 2018](https://github.com/rust-bitcoin/rust-secp256k1/pull/331)
* serde implements serialize [fixed-width arrays](https://github.com/rust-bitcoin/rust-secp256k1/pull/406) as tuples in binary formats to avoid encoding the length
* Key tweaking methods renamed and refactored to use a more [functional-style](https://github.com/rust-bitcoin/rust-secp256k1/pull/406), they now accept a [new Scalar](https://github.com/rust-bitcoin/rust-secp256k1/pull/445) type instead of raw slices
* Update [`rand` dependency to 0.8](https://github.com/rust-bitcoin/rust-secp256k1/pull/331)
* `KeyPair::from_secret_key` [borrows SecretKey](https://github.com/rust-bitcoin/rust-secp256k1/pull/430) instead of taking ownership
* `SerializedSignature` no longer implements `Default`
## New features/APIs
* Several convenience/conversion methods between [keys](https://github.com/rust-bitcoin/rust-secp256k1/pull/430)
* [`sign_ecdsa_with_noncedata` and `sign_ecdsa_recoverable_with_noncedata`](https://github.com/rust-bitcoin/rust-secp256k1/pull/425) can be used to add additional entropy to ECDSA signatures
* Errors now display their sources if std is unavailable, with std they rely on the consumer to use the source() method
* [Implemented `TryFrom` for `Parity`](https://github.com/rust-bitcoin/rust-secp256k1/pull/409)
* The [alloc feature](https://github.com/rust-bitcoin/rust-secp256k1/pull/331) can be used on targets with allocators without a standard library
* `SharedSecret` can be created from a slice, parsed from a hex string, or [(de)serialized using serde](https://github.com/rust-bitcoin/rust-secp256k1/pull/418)
* `SerializedSignature` implements `IntoIterator` (both owned and shared reference)
* We now [derive `std::hash::Hash` for `Signature`](https://github.com/rust-bitcoin/rust-secp256k1/pull/441)
## Other improvements
* `global-context` feature now activates `global-context-less-secure`.
* `githooks/` directory added for contributors
* [Clippy is now used in CI](https://github.com/rust-bitcoin/rust-secp256k1/pull/448) and the code is clippy-compliant
* Various documentation improvements
* Various CI/development improvements
* Various code quality improvements/refactors
2022-03-10 15:29:13 +00:00
# 0.22.1 - 2022-03-10
* [Reintroduce](https://github.com/rust-bitcoin/rust-secp256k1/pull/417) accidentally removed possibility to create `SharedSecret` from byte serialization
2022-03-08 19:44:22 +00:00
# 0.22.0 - 2022-03-08
* Disable `bitcoin_hashes/std` by default; [add `bitcoin-hashes-std` feature to re-enable it](https://github.com/rust-bitcoin/rust-secp256k1/pull/410)
* Rename [more `schnorrsig` methods to `schnorr`](https://github.com/rust-bitcoin/rust-secp256k1/pull/411)
* [Obfuscate `SharedSecret` string serialization](https://github.com/rust-bitcoin/rust-secp256k1/pull/396)
* [Simplify `SharedSecret` API](https://github.com/rust-bitcoin/rust-secp256k1/pull/402) to use a 32-byte buffer; users of custom hashes should now use bare arrays rather than this type.
* Change [serde serialization of `Parity`](https://github.com/rust-bitcoin/rust-secp256k1/pull/401) from `i32` to `u8`; clean up [error handling](https://github.com/rust-bitcoin/rust-secp256k1/pull/403)
2022-01-31 13:28:28 +00:00
# 0.21.3 - 2022-01-31
* Several documentation improvements ([#366](https://github.com/rust-bitcoin/rust-secp256k1/pull/366), [#365](https://github.com/rust-bitcoin/rust-secp256k1/pull/365), [#373](https://github.com/rust-bitcoin/rust-secp256k1/pull/373), [#381](https://github.com/rust-bitcoin/rust-secp256k1/pull/381), [#369](https://github.com/rust-bitcoin/rust-secp256k1/pull/369), [#389](https://github.com/rust-bitcoin/rust-secp256k1/pull/389), [#391](https://github.com/rust-bitcoin/rust-secp256k1/pull/391), [#397](https://github.com/rust-bitcoin/rust-secp256k1/pull/397), [#399](https://github.com/rust-bitcoin/rust-secp256k1/pull/399), [#340](https://github.com/rust-bitcoin/rust-secp256k1/pull/365))
* Deprecate the [`generate_schnorrsig_keypair` method](https://github.com/rust-bitcoin/rust-secp256k1/pull/372) (unclear value)
* Add [serde traits to `KeyPair`](https://github.com/rust-bitcoin/rust-secp256k1/pull/379)
* Redo the [API of the new `Parity` type](https://github.com/rust-bitcoin/rust-secp256k1/pull/382) to more clearly match our desired semantics; **the `From<i32>` impl on this type is now deprecated**. Also [#400](https://github.com/rust-bitcoin/rust-secp256k1/pull/400).
* Randomize [the global context on creation](https://github.com/rust-bitcoin/rust-secp256k1/pull/385) when possible; weaken [`global-context-less-secure` feature accordingly](https://github.com/rust-bitcoin/rust-secp256k1/pull/407).
* Improve [the global context API](https://github.com/rust-bitcoin/rust-secp256k1/pull/392)
* Fix [the `Debug` impl](https://github.com/rust-bitcoin/rust-secp256k1/pull/393) for `RecoverableSignature`
* Implement [`LowerHex` and `Display`](https://github.com/rust-bitcoin/rust-secp256k1/pull/398)
2022-01-02 23:54:45 +00:00
# 0.21.0 - 2022-01-02
2022-01-02 23:54:45 +00:00
* Fix `KeyPair::from_seckey_slice` [error return value](https://github.com/rust-bitcoin/rust-secp256k1/pull/316)
* Reduce the `lowmemory` [precomp table size](https://github.com/rust-bitcoin/rust-secp256k1/pull/323)
* [Add `KeyPair::serialize_sec`](https://github.com/rust-bitcoin/rust-secp256k1/pull/308)
* Increase [`bitcoin_hashes` version to 0.10](https://github.com/rust-bitcoin/rust-secp256k1/pull/326); rename `secp256k1::bitcoin_hashes` module to `secp256k1::hashes` to align with `bitcoin` crate naming
* Add new [error variant for `PublicKey::combine_keys`](https://github.com/rust-bitcoin/rust-secp256k1/pull/304)
* Change `Display` and `Debug` for secret keys to [only output a truncated hash](https://github.com/rust-bitcoin/rust-secp256k1/pull/312)
* [Improve documentation](https://github.com/rust-bitcoin/rust-secp256k1/pull/307)
* [Implement `Hash` for `schnorrsig::Signature`](https://github.com/rust-bitcoin/rust-secp256k1/pull/335)
* Refactor modules to put [Schnorr and ECDSA on more equal footing](https://github.com/rust-bitcoin/rust-secp256k1/pull/327)
* Add serde traits [for `KeyPair` type](https://github.com/rust-bitcoin/rust-secp256k1/pull/313)
* Fix [context bound requirements for a few methods](https://github.com/rust-bitcoin/rust-secp256k1/pull/342)
* Add a [static immutable-zero aligned type](https://github.com/rust-bitcoin/rust-secp256k1/pull/345)
* Change `tweak_add_assign` and `tweak_add_check` to [use an opaque `Parity` type rather than a boolean](https://github.com/rust-bitcoin/rust-secp256k1/pull/344/)
2019-09-06 16:15:49 +00:00
2021-06-10 14:46:30 +00:00
# 0.20.3 - 2021-06-10
* Fix [`SecretKey` validation in `from_str`](https://github.com/rust-bitcoin/rust-secp256k1/pull/296)
* Add [`global-context-less-secure` feature](https://github.com/rust-bitcoin/rust-secp256k1/pull/279) which creates a non-randomized global context (and does not require `rand` or `std`)
* Add [`schnorrsig::KeyPair::from_secret_key` convenience function](https://github.com/rust-bitcoin/rust-secp256k1/pull/294)
* Add [`combine_keys` function to `PublicKey`](https://github.com/rust-bitcoin/rust-secp256k1/pull/291)
* [Reduce symbol visibility in C compilation to allow LTO to work](https://github.com/rust-bitcoin/rust-secp256k1/pull/289)
* Add [`alloc` feature](https://github.com/rust-bitcoin/rust-secp256k1/pull/300) **requiring rustc 1.36+** to enable context creation without std
* [Rewrite stubbed-out-for-fuzzing version of the library](https://github.com/rust-bitcoin/rust-secp256k1/pull/282) to improve fuzzer accessibility
2021-04-27 22:16:58 +00:00
# 0.20.2 - 2021-04-27
* Fix some WASM build issues
* Add [some missing `#derive`s to `Error`](https://github.com/rust-bitcoin/rust-secp256k1/pull/277/)
* Add [serde support for Schnorr signatures and for deserializing from owned types](https://github.com/rust-bitcoin/rust-secp256k1/pull/270/)
2020-12-21 22:16:23 +00:00
# 0.20.0 - 2020-12-21
* [remove `ffi::PublicKey::blank`](https://github.com/rust-bitcoin/rust-secp256k1/pull/232) and replace with unsafe [`ffi::PublicKey::new` and `ffi::PublicKey::from_array_unchecked`](https://github.com/rust-bitcoin/rust-secp256k1/pull/253/); similar for all other FFI types
* [support wasm32-wasi target](https://github.com/rust-bitcoin/rust-secp256k1/pull/242)
* [make the global-context feature depend on the rand-std feature](https://github.com/rust-bitcoin/rust-secp256k1/pull/246)
* [add a lexicographic ordering to `PublicKey`](https://github.com/rust-bitcoin/rust-secp256k1/pull/248) which does **not** match the ordering used by Bitcoin Core (matching this would be impossible as it requires tracking a compressedness flag, which libsecp256k1 does not have)
* [implement BIP340 Schnorr signatures](https://github.com/rust-bitcoin/rust-secp256k1/pull/237)
* [require use of new `AlignedType` in preallocated-context API to enforce alignment requirements](https://github.com/rust-bitcoin/rust-secp256k1/pull/233); previously it was possible to get UB by using misaligned memory stores
* [enforce correct alignment when using preallocated context API](https://github.com/rust-bitcoin/rust-secp256k1/pull/233)
* [stop using cargo features for dangerous build-breaking options, require setting `RUSTFLAGS` instead](https://github.com/rust-bitcoin/rust-secp256k1/pull/263)
* [implement low-R signing and function to grind even smaller signatures](https://github.com/rust-bitcoin/rust-secp256k1/pull/259)
* [remove endomorphism feature, following upstream in enabling it by default](https://github.com/rust-bitcoin/rust-secp256k1/pull/257)
# 0.19.0 - 2020-08-27
* **Update MSRV to 1.29.0**
2020-08-26 20:26:14 +00:00
# 0.18.0 - 2020-08-26
* Add feature-gated `bitcoin_hashes` dependency and [`ThirtyTwoByteHash` trait](https://github.com/rust-bitcoin/rust-secp256k1/pull/206/)
* Add feature-gated [global static context](https://github.com/rust-bitcoin/rust-secp256k1/pull/224)
2020-08-26 20:26:14 +00:00
* Allow [all-zero messages](https://github.com/rust-bitcoin/rust-secp256k1/pull/207) to be constructed
* Bump rust-secp-sys to 0.2.0
2020-01-09 15:08:39 +00:00
# 0.17.2
- Fix linking in the `fuzztarget` feature.
2019-12-11 17:50:23 +00:00
# 0.17.1
- Correctly prefix the secp256k1-sys links field in Cargo.toml.
2019-12-05 15:17:08 +00:00
# 0.17.0
- Move FFI into secp256k1-sys crate.
- Add `external-symbols` feature for not building upstream.
- Add functions to create a context from a raw pointer.
- Support passing custom hash functions to ECDH.
- Wrap Secp256k1 from raw context in a ManuallyDrop.
2019-09-06 16:15:49 +00:00
# 0.15.4 - 2019-09-06
- Add `rand-std` feature.
- Pin the cc build-dep version to `< 1.0.42` to remain
compatible with rustc 1.22.0.
- Changed all `as_*ptr()` to a new safer `CPtr` trait
# 0.15.2 - 2019-08-08
- Add feature `lowmemory` that reduces the EC mult window size to require
significantly less memory for the validation context (~680B instead of
~520kB), at the cost of slower validation. It does not affect the speed of
signing, nor the size of the signing context.
2019-07-25 13:06:07 +00:00
# 0.15.0 - 2019-07-25
* Implement hex human-readable serde for PublicKey
* Implement fmt::LowerHex for SecretKey and PublicKey
* Relax `cc` dependency requirements
* Add links manifest key to prevent cross-version linkage
2019-07-14 20:19:21 +00:00
# 0.14.1 - 2019-07-14
* Implemented FFI functions: `secp256k1_context_create` and `secp256k1_context_destroy` in rust.
2019-07-08 13:57:52 +00:00
# 0.14.0 - 2019-07-08
* [Feature-gate endormorphism optimization](https://github.com/rust-bitcoin/rust-secp256k1/pull/120)
because of a lack of clarity with respect to patents
* Got full no-std support including eliminating all use of libc in C bindings.
[PR 1](https://github.com/rust-bitcoin/rust-secp256k1/pull/115)
[PR 2](https://github.com/rust-bitcoin/rust-secp256k1/pull/125).
This library should be usable in bare-metal environments and with rust-wasm.
Thanks to Elichai Turkel for driving this forward!
* Update upstream libsecp256k1 version to 143dc6e9ee31852a60321b23eea407d2006171da
2019-07-08 13:57:52 +00:00
2019-05-21 18:15:07 +00:00
# 0.13.0 - 2019-05-21
* Update minimum supported rust compiler 1.22.
* Replace `serialize_der` function with `SerializedSignature` struct.
* Allow building without a standard library (`no_std`). `std` feature is on by default.
* Add human readable serialization to `Signatures` and `SecretKeys`.
* Stop displaying 0 bytes if a `Signature` is less than 72 bytes.
* Only compile recovery module if feature `recovery` is set (non-default).
2019-08-05 13:39:23 +00:00
* Update `rand` dependency from 0.4 to 0.6 and add `rand_core` 0.4 dependency.
2019-05-21 18:15:07 +00:00
* Relax `cc` dependency requirements.
2019-01-18 15:35:44 +00:00
# 0.12.2 - 2019-01-18
* Fuzzer bug fix
2019-01-15 16:32:55 +00:00
# 0.12.1 - 2019-01-15
* Minor bug fixes
* Fixed `cc` crate version to maintain minimum compiler version without breakage
* Removed `libc` dependency as it our uses have been subsumed into stdlib
2018-12-03 13:51:42 +00:00
# 0.12.0 - 2018-12-03
2018-12-03 13:51:42 +00:00
* **Overhaul API to remove context object when no precomputation is needed**
* Add `ThirtyTwoByteHash` trait which allows infallible conversions to `Message`s
* Disallow 0-valued `Message` objects since signatures on them are forgeable for all keys
* Remove `ops::Index` implementations for `Signature`
2018-12-03 13:51:42 +00:00
* Remove depecated constants and unsafe `ZERO_KEY` constant
# 0.11.5 - 2018-11-09
* Use `pub extern crate` to export dependencies whose types are exported
2018-11-04 13:17:18 +00:00
# 0.11.4 - 2018-11-04
* Add `FromStr` and `Display` for `Signature` and both key types
* Fix `build.rs` for Windows and rustfmt configuration for docs.rs
* Correct endianness issue for `Signature` `Debug` output
# 0.11.3 - 2018-10-28
* No changes, just fixed docs.rs configuration
2018-09-11 18:06:12 +00:00
# 0.11.2 - 2018-09-11
* Correct endianness issue in RFC6979 nonce generation
# 0.11.1 - 2018-08-22
* Put `PublicKey::combine` back because it is currently needed to implement Lightning BOLT 3
2018-08-22 16:39:36 +00:00
# 0.11.0 - 2018-08-22
2018-07-30 03:03:20 +00:00
* Update `rand` to 0.4 and `gcc` 0.3 to `cc` 1.0. (`rand` 0.5 exists but has a lot of breaking changes and no longer compiles with 1.14.0.)
2018-08-15 16:29:23 +00:00
* Remove `PublicKey::combine` from API since it cannot be used with anything else in the API
* Detect whether 64-bit compilation is possible, and do it if we can (big performance improvement)
2018-07-30 03:03:20 +00:00
# 0.10.0 - 2018-07-25
* A [complete API overhaul](https://github.com/rust-bitcoin/rust-secp256k1/pull/27) to move many runtime errors into compiletime errors
* Update [libsecp256k1 to `1e6f1f5ad5e7f1e3ef79313ec02023902bf8`](https://github.com/rust-bitcoin/rust-secp256k1/pull/32). Should be no visible changes.
* [Remove `PublicKey::new()` and `PublicKey::is_valid()`](https://github.com/rust-bitcoin/rust-secp256k1/pull/37) since `new` was unsafe and it should now be impossible to create invalid `PublicKey` objects through the API
* [Reintroduce serde support](https://github.com/rust-bitcoin/rust-secp256k1/pull/38) behind a feature gate using serde 1.0
* Clean up build process and various typos