143 lines
6.6 KiB
Markdown
143 lines
6.6 KiB
Markdown
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# 0.20.0 - 2020-12-21
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* [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
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* [support wasm32-wasi target](https://github.com/rust-bitcoin/rust-secp256k1/pull/242)
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* [make the global-context feature depend on the rand-std feature](https://github.com/rust-bitcoin/rust-secp256k1/pull/246)
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* [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)
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* [implement BIP340 Schnorr signatures](https://github.com/rust-bitcoin/rust-secp256k1/pull/237)
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* [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
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* [enforce correct alignment when using preallocated context API](https://github.com/rust-bitcoin/rust-secp256k1/pull/233)
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* [stop using cargo features for dangerous build-breaking options, require setting `RUSTFLAGS` instead](https://github.com/rust-bitcoin/rust-secp256k1/pull/263)
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* [implement low-R signing and function to grind even smaller signatures](https://github.com/rust-bitcoin/rust-secp256k1/pull/259)
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* [remove endomorphism feature, following upstream in enabling it by default](https://github.com/rust-bitcoin/rust-secp256k1/pull/257)
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# 0.19.0 - 2020-08-27
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* **Update MSRV to 1.29.0**
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# 0.18.0 - 2020-08-26
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* Add feature-gated `bitcoin_hashes` dependency and [`ThirtyTwoByteHash` trait](https://github.com/rust-bitcoin/rust-secp256k1/pull/206/)
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* Add feature-gated [global static context](https://github.com/rust-bitcoin/rust-secp256k1/pull/224)
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* Allow [all-zero messages](https://github.com/rust-bitcoin/rust-secp256k1/pull/207) to be constructed
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* Bump rust-secp-sys to 0.2.0
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# 0.17.2
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- Fix linking in the `fuzztarget` feature.
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# 0.17.1
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- Correctly prefix the secp256k1-sys links field in Cargo.toml.
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# 0.17.0
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- Move FFI into secp256k1-sys crate.
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- Add `external-symbols` feature for not building upstream.
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- Add functions to create a context from a raw pointer.
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- Support passing custom hash functions to ECDH.
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- Wrap Secp256k1 from raw context in a ManuallyDrop.
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# 0.15.4 - 2019-09-06
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- Add `rand-std` feature.
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- Pin the cc build-dep version to `< 1.0.42` to remain
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compatible with rustc 1.22.0.
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- Changed all `as_*ptr()` to a new safer `CPtr` trait
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# 0.15.2 - 2019-08-08
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- Add feature `lowmemory` that reduces the EC mult window size to require
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significantly less memory for the validation context (~680B instead of
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~520kB), at the cost of slower validation. It does not affect the speed of
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signing, nor the size of the signing context.
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# 0.15.0 - 2019-07-25
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* Implement hex human-readable serde for PublicKey
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* Implement fmt::LowerHex for SecretKey and PublicKey
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* Relax `cc` dependency requirements
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* Add links manifest key to prevent cross-version linkage
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# 0.14.1 - 2019-07-14
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* Implemented FFI functions: `secp256k1_context_create` and `secp256k1_context_destroy` in rust.
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# 0.14.0 - 2019-07-08
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* [Feature-gate endormorphism optimization](https://github.com/rust-bitcoin/rust-secp256k1/pull/120)
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because of a lack of clarity with respect to patents
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* Got full no-std support including eliminating all use of libc in C bindings.
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[PR 1](https://github.com/rust-bitcoin/rust-secp256k1/pull/115)
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[PR 2](https://github.com/rust-bitcoin/rust-secp256k1/pull/125).
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This library should be usable in bare-metal environments and with rust-wasm.
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Thanks to Elichai Turkel for driving this forward!
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* Update upstream libsecp256k1 version to 143dc6e9ee31852a60321b23eea407d2006171da
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# 0.13.0 - 2019-05-21
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* Update minimum supported rust compiler 1.22.
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* Replace `serialize_der` function with `SerializedSignature` struct.
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* Allow building without a standard library (`no_std`). `std` feature is on by default.
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* Add human readable serialization to `Signatures` and `SecretKeys`.
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* Stop displaying 0 bytes if a `Signature` is less than 72 bytes.
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* Only compile recovery module if feature `recovery` is set (non-default).
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* Update `rand` dependency from 0.4 to 0.6 and add `rand_core` 0.4 dependency.
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* Relax `cc` dependency requirements.
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# 0.12.2 - 2019-01-18
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* Fuzzer bug fix
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# 0.12.1 - 2019-01-15
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* Minor bug fixes
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* Fixed `cc` crate version to maintain minimum compiler version without breakage
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* Removed `libc` dependency as it our uses have been subsumed into stdlib
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# 0.12.0 - 2018-12-03
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* **Overhaul API to remove context object when no precomputation is needed**
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* Add `ThirtyTwoByteHash` trait which allows infallible conversions to `Message`s
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* Disallow 0-valued `Message` objects since signatures on them are forgeable for all keys
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* Remove `ops::Index` implementations for `Signature`
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* Remove depecated constants and unsafe `ZERO_KEY` constant
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# 0.11.5 - 2018-11-09
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* Use `pub extern crate` to export dependencies whose types are exported
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# 0.11.4 - 2018-11-04
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* Add `FromStr` and `Display` for `Signature` and both key types
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* Fix `build.rs` for Windows and rustfmt configuration for docs.rs
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* Correct endianness issue for `Signature` `Debug` output
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# 0.11.3 - 2018-10-28
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* No changes, just fixed docs.rs configuration
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# 0.11.2 - 2018-09-11
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* Correct endianness issue in RFC6979 nonce generation
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# 0.11.1 - 2018-08-22
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* Put `PublicKey::combine` back because it is currently needed to implement Lightning BOLT 3
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# 0.11.0 - 2018-08-22
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* 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.)
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* Remove `PublicKey::combine` from API since it cannot be used with anything else in the API
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* Detect whether 64-bit compilation is possible, and do it if we can (big performance improvement)
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# 0.10.0 - 2018-07-25
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* A [complete API overhaul](https://github.com/rust-bitcoin/rust-secp256k1/pull/27) to move many runtime errors into compiletime errors
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* Update [libsecp256k1 to `1e6f1f5ad5e7f1e3ef79313ec02023902bf8`](https://github.com/rust-bitcoin/rust-secp256k1/pull/32). Should be no visible changes.
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* [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
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* [Reintroduce serde support](https://github.com/rust-bitcoin/rust-secp256k1/pull/38) behind a feature gate using serde 1.0
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* Clean up build process and various typos
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