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# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased]
### Added
- C# .NET 8.0 library wrapper for noscrypt
- Full NIP44 vector testing for encryption
## [0.1.5]
### Added
- `NCUtilContextAlloc()` and `NCUtilContextFree()` utilities for dynamic library context allocation
### Changed
- Public and Secret key structure definition names have been correctly namespaced __(no breaking changes)__
## [0.1.4]
### Fixed
- [#8](https://www.vaughnnugent.com/resources/software/modules/noscrypt-issues?id=51) - an issue where nip44 encryption fails on reusable cipher instances
## [0.1.3]
### Added
- Utilities sidecar library for easy note encryption [(noscryptutil.h)](https://github.com/VnUgE/noscrypt/blob/v0.1.3/include/noscryptutil.h)
- Utilities for padding calculations
- Prints the name of the configured crypto backend during build
- Many internal hardening improvments (span pass-by-value, span validation functions)
- `NCEncryptionGetIvSize()` function to determine the size of the IV for a chosen encryption spec (nip04 or nip44)
### Fixed
- OpenSSL EVP incorrect cipher initialization vector
- OpenSSL HKDF incorrect key derivation when switching to EVP api
- Some missing calling convention macros for public api functions
### Changed
- Updated libsecp256k1 to v0.5.1
- Updated OpenSSL to v3.3.1
- Converted `NCToSecKey()` and `NCToPubKey()` to a explicitly named macros
- Converted error code helper functions from header-only functions to standard api
- Added helper functions to alter the `NCEncryptionArgs` api. Altering fields directly is now deprecated.
- Public API visibility for non-Windows platforms now defaults to `extern`
- **Breaking:** Changed the `nonce32` and `hmacKeyOut32` properties of the `NCEncryptionArgs` struct to `nonceData` and `keyData` respectively. ABI is still compatible, but API has changed. Again mutating this structure manually is now deprecated.
- Unified some API naming conventions for better consistency
### Removed
- `NC_ENCRYPTION_NONCE_SIZE` macro for better forward compatability
- `NC_NIP04_AES_IV_SIZE` macro for better forward compatability
## [0.1.2]
### Added
- `NCGetSharedContext()` to get a process-wide shared context.
- C++ extern wrappers noscrypt.h public api
- Integrated test exe to cmake ctest
### Fixed
- Potential memory leak for openssl evp contexts during error conditions.
- mbedtls dependency compilation when using fetch for release builds.
- fPIC errors for libsecp256k1.
### Changed
- Update libsecp256k1 to v0.5.0.
- **Breaking:** `NCValidateSecretKey()` retruns NC_SUCCESS instead of 1.
- Builds using OpenSSL as a crypto backend no longer require the monocypher dependency.
### Removed
- NCContext structure defintion.
- Internal headers from the public include directory.
[unreleased]: https://github.com/VnUgE/noscrypt/compare/v0.1.5...HEAD
[0.1.5]: https://github.com/VnUgE/noscrypt/compare/v0.1.4...v0.1.5
[0.1.4]: https://github.com/VnUgE/noscrypt/compare/v0.1.3...v0.1.4
[0.1.3]: https://github.com/VnUgE/noscrypt/compare/v0.1.2...v0.1.3
[0.1.2]: https://github.com/VnUgE/noscrypt/compare/v0.1.1...v0.1.2
[0.1.1]: https://github.com/VnUgE/noscrypt/compare/v0.1.0...v0.1.1
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