254 lines
15 KiB
Markdown
254 lines
15 KiB
Markdown
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# 0.24.0 - 2022-07-20
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* Upgrade to new release of [bitcoin_hashes](https://github.com/rust-bitcoin/bitcoin_hashes/releases/tag/0.11.0).
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# 0.23.4 - 2022-07-14
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* [Disable automatic rerandomization of contexts under WASM](https://github.com/rust-bitcoin/rust-secp256k1/pull/474)
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# 0.23.3 - 2022-06-29
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* [Add must_use for mut self key manipulation methods](https://github.com/rust-bitcoin/rust-secp256k1/pull/465)
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* [Fix fuzzing feature guard](https://github.com/rust-bitcoin/rust-secp256k1/pull/466)
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# 0.23.2 - 2022-06-27
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* [Move `cbor` to dev-dependencies](https://github.com/rust-bitcoin/rust-secp256k1/pull/461)
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* [Derive `Hash` for `RecoverableSignature`](https://github.com/rust-bitcoin/rust-secp256k1/pull/462)
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# 0.23.1 - 2022-06-24
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[Enable "rand/std_rng" feature](https://github.com/rust-bitcoin/rust-secp256k1/pull/460) when the crate's "rnd-std" feature is enabled.
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# 0.23.0 - 2022-06-21
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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.
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## Breaking changes
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* [MSRV bumped to 1.41.1 and edition changed to 2018](https://github.com/rust-bitcoin/rust-secp256k1/pull/331)
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* 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
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* 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
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* Update [`rand` dependency to 0.8](https://github.com/rust-bitcoin/rust-secp256k1/pull/331)
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* `KeyPair::from_secret_key` [borrows SecretKey](https://github.com/rust-bitcoin/rust-secp256k1/pull/430) instead of taking ownership
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* `SerializedSignature` no longer implements `Default`
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## New features/APIs
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* Several convenience/conversion methods between [keys](https://github.com/rust-bitcoin/rust-secp256k1/pull/430)
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* [`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
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* Errors now display their sources if std is unavailable, with std they rely on the consumer to use the source() method
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* [Implemented `TryFrom` for `Parity`](https://github.com/rust-bitcoin/rust-secp256k1/pull/409)
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* The [alloc feature](https://github.com/rust-bitcoin/rust-secp256k1/pull/331) can be used on targets with allocators without a standard library
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* `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)
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* `SerializedSignature` implements `IntoIterator` (both owned and shared reference)
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* We now [derive `std::hash::Hash` for `Signature`](https://github.com/rust-bitcoin/rust-secp256k1/pull/441)
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## Other improvements
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* `global-context` feature now activates `global-context-less-secure`.
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* `githooks/` directory added for contributors
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* [Clippy is now used in CI](https://github.com/rust-bitcoin/rust-secp256k1/pull/448) and the code is clippy-compliant
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* Various documentation improvements
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* Various CI/development improvements
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* Various code quality improvements/refactors
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# 0.22.1 - 2022-03-10
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* [Reintroduce](https://github.com/rust-bitcoin/rust-secp256k1/pull/417) accidentally removed possibility to create `SharedSecret` from byte serialization
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# 0.22.0 - 2022-03-08
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* Disable `bitcoin_hashes/std` by default; [add `bitcoin-hashes-std` feature to re-enable it](https://github.com/rust-bitcoin/rust-secp256k1/pull/410)
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* Rename [more `schnorrsig` methods to `schnorr`](https://github.com/rust-bitcoin/rust-secp256k1/pull/411)
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* [Obfuscate `SharedSecret` string serialization](https://github.com/rust-bitcoin/rust-secp256k1/pull/396)
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* [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.
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* 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)
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# 0.21.3 - 2022-01-31
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* 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))
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* Deprecate the [`generate_schnorrsig_keypair` method](https://github.com/rust-bitcoin/rust-secp256k1/pull/372) (unclear value)
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* Add [serde traits to `KeyPair`](https://github.com/rust-bitcoin/rust-secp256k1/pull/379)
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* 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).
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* 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).
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* Improve [the global context API](https://github.com/rust-bitcoin/rust-secp256k1/pull/392)
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* Fix [the `Debug` impl](https://github.com/rust-bitcoin/rust-secp256k1/pull/393) for `RecoverableSignature`
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* Implement [`LowerHex` and `Display`](https://github.com/rust-bitcoin/rust-secp256k1/pull/398)
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# 0.21.0 - 2022-01-02
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* Fix `KeyPair::from_seckey_slice` [error return value](https://github.com/rust-bitcoin/rust-secp256k1/pull/316)
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* Reduce the `lowmemory` [precomp table size](https://github.com/rust-bitcoin/rust-secp256k1/pull/323)
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* [Add `KeyPair::serialize_sec`](https://github.com/rust-bitcoin/rust-secp256k1/pull/308)
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* 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
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* Add new [error variant for `PublicKey::combine_keys`](https://github.com/rust-bitcoin/rust-secp256k1/pull/304)
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* Change `Display` and `Debug` for secret keys to [only output a truncated hash](https://github.com/rust-bitcoin/rust-secp256k1/pull/312)
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* [Improve documentation](https://github.com/rust-bitcoin/rust-secp256k1/pull/307)
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* [Implement `Hash` for `schnorrsig::Signature`](https://github.com/rust-bitcoin/rust-secp256k1/pull/335)
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* Refactor modules to put [Schnorr and ECDSA on more equal footing](https://github.com/rust-bitcoin/rust-secp256k1/pull/327)
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* Add serde traits [for `KeyPair` type](https://github.com/rust-bitcoin/rust-secp256k1/pull/313)
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* Fix [context bound requirements for a few methods](https://github.com/rust-bitcoin/rust-secp256k1/pull/342)
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* Add a [static immutable-zero aligned type](https://github.com/rust-bitcoin/rust-secp256k1/pull/345)
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* 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/)
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# 0.20.3 - 2021-06-10
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* Fix [`SecretKey` validation in `from_str`](https://github.com/rust-bitcoin/rust-secp256k1/pull/296)
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* 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`)
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* Add [`schnorrsig::KeyPair::from_secret_key` convenience function](https://github.com/rust-bitcoin/rust-secp256k1/pull/294)
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* Add [`combine_keys` function to `PublicKey`](https://github.com/rust-bitcoin/rust-secp256k1/pull/291)
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* [Reduce symbol visibility in C compilation to allow LTO to work](https://github.com/rust-bitcoin/rust-secp256k1/pull/289)
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* Add [`alloc` feature](https://github.com/rust-bitcoin/rust-secp256k1/pull/300) **requiring rustc 1.36+** to enable context creation without std
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* [Rewrite stubbed-out-for-fuzzing version of the library](https://github.com/rust-bitcoin/rust-secp256k1/pull/282) to improve fuzzer accessibility
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# 0.20.2 - 2021-04-27
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* Fix some WASM build issues
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* Add [some missing `#derive`s to `Error`](https://github.com/rust-bitcoin/rust-secp256k1/pull/277/)
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* Add [serde support for Schnorr signatures and for deserializing from owned types](https://github.com/rust-bitcoin/rust-secp256k1/pull/270/)
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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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