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secp256k1/CHANGELOG.md

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doc: add CHANGELOG template
2021-07-06 21:51:36 +00:00
# Changelog
Mention semantic versioning in changelog
2022-12-13 16:50:32 +00:00
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
doc: add CHANGELOG template
2021-07-06 21:51:36 +00:00
## [Unreleased]
release: prepare for initial release 0.2.0 There are plenty of unreleased variants of libsecp256k1 version 0.1.0 (libsecp256k1.so.0.0.0) in the wild. We choose a new version number to allow a clear distinction. There are variants of 0.1.0 that are incompatible with the initial release, hence we increase the minor version to arrive at version number 0.2.0. For the same reason, we increase the LIB_VERSION_CURRENT and keep AGE at 0. The changelog for 0.2.0 consists of the relevant changes since 2021-12-25, which is the date when the initial release process PR was merged (and the library version was set to a pre-release, see 423b6d19d373f1224fd671a982584d7e7900bc93). This is somewhat arbitrary but at least points readers to relevant changes.
2021-12-23 22:13:11 +00:00
## [0.2.0] - 2022-12-12
changelog: make order of change types match keepachangelog.com
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### Added
Add more changelog entries
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- Added usage examples for common use cases in a new `examples/` directory.
changelog: make order of change types match keepachangelog.com
2022-12-12 14:16:48 +00:00
- Added `secp256k1_selftest`, to be used in conjunction with `secp256k1_context_static`.
Add more changelog entries
2022-12-13 17:05:10 +00:00
- Added support for 128-bit wide multiplication on MSVC for x86_64 and arm64, giving roughly a 20% speedup on those platforms.
changelog: make order of change types match keepachangelog.com
2022-12-12 14:16:48 +00:00
build: Enable some modules by default We don't enable the ECDSA recovery module, because we don't recommend ECDSA recovery for new protocols. In particular, the recovery API is prone to misuse: It invites the caller to forget to check the public key (and the verification function always returns 1). In general, we also don't recommend ordinary ECDSA for new protocols. But disabling the ECDSA functions is not possible because they're not in a module, and let's be honest: disabling ECDSA would mean to ignore reality blatantly.
2021-10-19 12:03:01 +00:00
### Changed
release: prepare for initial release 0.2.0 There are plenty of unreleased variants of libsecp256k1 version 0.1.0 (libsecp256k1.so.0.0.0) in the wild. We choose a new version number to allow a clear distinction. There are variants of 0.1.0 that are incompatible with the initial release, hence we increase the minor version to arrive at version number 0.2.0. For the same reason, we increase the LIB_VERSION_CURRENT and keep AGE at 0. The changelog for 0.2.0 consists of the relevant changes since 2021-12-25, which is the date when the initial release process PR was merged (and the library version was set to a pre-release, see 423b6d19d373f1224fd671a982584d7e7900bc93). This is somewhat arbitrary but at least points readers to relevant changes.
2021-12-23 22:13:11 +00:00
- Enabled modules schnorrsig, extrakeys and ECDH by default in `./configure`.
Add more changelog entries
2022-12-13 17:05:10 +00:00
- The `secp256k1_nonce_function_rfc6979` nonce function, used by default by `secp256k1_ecdsa_sign`, now reduces the message hash modulo the group order to match the specification. This only affects improper use of ECDSA signing API.
build: Enable some modules by default We don't enable the ECDSA recovery module, because we don't recommend ECDSA recovery for new protocols. In particular, the recovery API is prone to misuse: It invites the caller to forget to check the public key (and the verification function always returns 1). In general, we also don't recommend ordinary ECDSA for new protocols. But disabling the ECDSA functions is not possible because they're not in a module, and let's be honest: disabling ECDSA would mean to ignore reality blatantly.
2021-10-19 12:03:01 +00:00
contexts: Deprecate all context flags except SECP256K1_CONTEXT_NONE
2022-07-06 08:39:14 +00:00
### Deprecated
- Deprecated context flags `SECP256K1_CONTEXT_VERIFY` and `SECP256K1_CONTEXT_SIGN`. Use `SECP256K1_CONTEXT_NONE` instead.
contexts: Rename static context
2022-07-06 15:09:31 +00:00
- Renamed `secp256k1_context_no_precomp` to `secp256k1_context_static`.
Add more changelog entries
2022-12-13 17:05:10 +00:00
- Renamed `secp256k1_schnorrsig_sign` to `secp256k1_schnorrsig_sign32`.
contexts: Deprecate all context flags except SECP256K1_CONTEXT_NONE
2022-07-06 08:39:14 +00:00
release: prepare for initial release 0.2.0 There are plenty of unreleased variants of libsecp256k1 version 0.1.0 (libsecp256k1.so.0.0.0) in the wild. We choose a new version number to allow a clear distinction. There are variants of 0.1.0 that are incompatible with the initial release, hence we increase the minor version to arrive at version number 0.2.0. For the same reason, we increase the LIB_VERSION_CURRENT and keep AGE at 0. The changelog for 0.2.0 consists of the relevant changes since 2021-12-25, which is the date when the initial release process PR was merged (and the library version was set to a pre-release, see 423b6d19d373f1224fd671a982584d7e7900bc93). This is somewhat arbitrary but at least points readers to relevant changes.
2021-12-23 22:13:11 +00:00
### ABI Compatibility
Since this is the first release, we do not compare application binary interfaces.
However, there are unreleased versions of libsecp256k1 that are *not* ABI compatible with this version.
## [0.1.0] - 2013-03-05 to 2021-12-25
doc: add CHANGELOG template
2021-07-06 21:51:36 +00:00
release: prepare for initial release 0.2.0 There are plenty of unreleased variants of libsecp256k1 version 0.1.0 (libsecp256k1.so.0.0.0) in the wild. We choose a new version number to allow a clear distinction. There are variants of 0.1.0 that are incompatible with the initial release, hence we increase the minor version to arrive at version number 0.2.0. For the same reason, we increase the LIB_VERSION_CURRENT and keep AGE at 0. The changelog for 0.2.0 consists of the relevant changes since 2021-12-25, which is the date when the initial release process PR was merged (and the library version was set to a pre-release, see 423b6d19d373f1224fd671a982584d7e7900bc93). This is somewhat arbitrary but at least points readers to relevant changes.
2021-12-23 22:13:11 +00:00
This version was in fact never released.
The number was given by the build system since the introduction of autotools in Jan 2014 (ea0fe5a5bf0c04f9cc955b2966b614f5f378c6f6).
Therefore, this version number does not uniquely identify a set of source files.
Add links to diffs to changelog
2022-12-13 16:53:50 +00:00
[unreleased]: https://github.com/bitcoin-core/secp256k1/compare/v0.2.0...HEAD
[0.2.0]: https://github.com/bitcoin-core/secp256k1/compare/423b6d19d373f1224fd671a982584d7e7900bc93..v0.2.0
[0.1.0]: https://github.com/bitcoin-core/secp256k1/commit/423b6d19d373f1224fd671a982584d7e7900bc93