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* update poulpy_arch.svg * update main readme * update lib_diagram.png & main readme * update poulpy-core readme * update backend readmes * update poulpy-hal readme * update poulpy-schemes readme * update CHANGELOG.md
105 lines
4.6 KiB
Markdown
105 lines
4.6 KiB
Markdown
# CHANGELOG
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## [0.4.0] - 2025-10-27
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### Summary
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- Full support for base2k operations.
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- Many improvments to BDD arithmetic.
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- Removal of **poulpy-backend** & spqlios backend.
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- Addition of individual crates for each specific backend.
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- Some minor bug fixes.
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### `poulpy-hal`
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- Add cross-base2k normalization
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### `poulpy-core`
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- Add full support for automatic cross-base2k operations & updated tests accordingly.
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- Updated noise helper API.
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- Fixed many tests that didn't assess noise correctly.
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- Fixed decoding function to use arithmetic rounded division instead of arithmetic right shift.
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- Fixed packing to clean values correctly.
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### `poulpy-schemes`
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- Renamed `tfhe` crate to `bin_fhe`.
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- Improved support & API for BDD arithmetic, including multi-thread acceleration.
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- Updated crate to support cross-base2k operations.
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- Add additional operations, such as splice_u8, splice_u16 and sign extension.
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- Add `GLWEBlindRetriever` and `GLWEBlindRetrieval`: a `GGSW`-based blind reversible retrieval (enables to instantiate encrypted ROM/RAM like object).
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- Improved Cmux speed
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### `poulpy-cpu-ref`
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- A new crate that provides the refernce CPU implementation of **poulpy-hal**. This replaces the previous **poulpy-backend/cpu_ref**.
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### `poulpy-cpu-avx`
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- A new crate that provides an AVX/FMA accelerated CPU implementation of **poulpy-hal**. This replaces the previous **poulpy-backend/cpu_avx**.
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### `poulpy-schemes`
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- Added `sign` argument to GGSW-based blind rotation, which enables to choose the rotation direction of the test vector.
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## [0.3.2] - 2025-10-27
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### `poulpy-hal`
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- Improved convolution functionality
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### `poulpy-core`
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- Rename `GLWEToLWESwitchingKey` to `GLWEToLWEKey`.
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- Rename `LWEToGLWESwitchingKey` to `LWEToGLWEKey`.
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- Add `GLWESecretTensor` which stores the flattened upper right of the tensor matrix of the pairs `sk[i] * sk[j]`.
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- Add `GGLWEToGGSWKey`, `GGLWEToGGSWKeyPrepared`, `GGLWEToGGSWKeyCompressed`, which encrypts the full tensor matrix of all pairs `sk[i] * sk[j]`, with one `GGLWE` per row.
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- Update `GGLWEToGGSW` API to take `GGLWEToGGSWKey` instead of the `GLWETensorKey`
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- Add `GLWETensor`, the result of tensoring two `GLWE` of identical rank.
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- Changed `GLWETensorKey` to be an encryption of `GLWESecretTensor` (preliminary work for `GLWEFromGLWETensor`, a.k.a relinearization).
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### `poulpy-schemes`
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- Add `GLWEBlindRotation`, a `GGSW`-based blind rotation that evaluates `GLWE <- GLWE * X^{((k>>bit_rsh) % 2^bit_mask) << bit_lsh}.` (`k` = `FheUintBlocksPrepared`).
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- Add `GGSWBlindRotation`, a `GGSW`-based blind rotation that evaluates `GGSW <- (GGSW or ScalarZnx) * X^{((k>>bit_rsh) % 2^bit_mask) << bit_lsh}.` (`k` = `FheUintBlocksPrepared`).
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## [0.3.1] - 2025-10-24
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### `poulpy-hal`
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- Add bivariate convolution (X, Y) / (X^{N} + 1) with Y = 2^-K
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### `poulpy-core`
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- Fix typo in impl of GGLWEToRef for GLWEAutomorphismKey that required the data to be mutable.
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## [0.3.0] - 2025-10-23
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- Fixed builds on MACOS
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### Breaking changes
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- The changes to `poulpy-core` required to break some of the existing API. For example the API `prepare_alloc` has been removed and the trait `Prepare<...>` has been broken down for each different ciphertext type (e.g. GLWEPrepare). To achieve the same functionality, the user must allocated the prepared ciphertext, and then call prepare on it.
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### `poulpy-hal`
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- Added cross-base2k normalization
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### `poulpy-core`
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- Added functionality-based traits, which removes the need to import the low-levels traits of `poulpy-hal` and makes backend agnostic code much cleaner. For example instead of having to import each individual traits required for the encryption of a GLWE, only the trait `GLWEEncryptSk` is needed.
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### `poulpy-schemes`
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- Added basic framework for binary decicion circuit (BDD) arithmetic along with some operations.
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## [0.2.0] - 2025-09-15
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### Breaking changes
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- Updated the trait `FillUniform` to take `log_bound`.
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### `poulpy-hal`
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- Added pure Rust reference code for `vec_znx` and `fft64` backend.
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- Added cross-backend generic test suite along with macros.
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- Added benchmark generic test suite.
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### `poulpy-backend`
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- Added `FFTRef` backend, which provides an implementation relying on the reference code of `poulpy-hal`.
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- Added `FFTAvx` backend, which provides a pure Rust AVX/FMA accelerated implementation of `FFTRef` backend.
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- Added cross-backend tests between `FFTRef` and `FFTAvx`.
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- Added cross-backend tests between `FFTRef` and `FFT64Spqlios`.
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### `poulpy-core`
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- Removed unsafe blocks.
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- Added tests suite for `FFTRef` and `FFTAvx` backends.
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### Other
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- Fixed a few minor bugs.
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## [0.1.0] - 2025-08-25
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- Initial release. |