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Release_Notes.md

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06/25/2024: OpenFHE 1.2.0 (stable) is released

  • Updates the lattice parameters tables to support the ring dimension of 2^{16} and 2^{17} for ternary and Gaussian secrets (#806)
  • Adds application specifications validator for BGV, BFV, and CKKS (#710)
  • Updates the parameter sets for CGGI/DM/LMKCDEY; adds low-probability-of-failure parameter sets (below 2^{-120}) (#673)
  • Adds several optimizations for BFV, including support for modulus switching during computation (#682, #715, #731)
  • Fixes parameter estimation bugs for BGV, BFV, and CKKS (insecure configurations were possible for scenarios with hybrid key switching) (#785, #786)
  • Includes several fixes related to handling the map of automorphism keys for various EvalSum*KeyGen operations (#756, #773, #783, #797)
  • Add support for selective serialization/deserialization of automorphism/rotation keys (#775)
  • Updates the HRA-Secure BGV PRE implementation based on https://eprint.iacr.org/2024/681 (#767)
  • Includes many other bug fixes

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.2.0%22

03/08/2024: OpenFHE 1.1.4 (stable) is released

  • Fixes a bug affecting the Google C++ Transpiler code generation (#701)
  • Adds serialization backwards compatibility down to 1.0.4 for the JSON encoding (#571)
  • Shows more information when an exception is thrown (#702)

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.1.4%22

03/04/2024: OpenFHE 1.1.3 (stable) is released

  • One internal map is now used for all rotation keys, which reduces memory footprint and key generation time for BGV-like schemes (#546)
  • New mechanism for OpenFHE exceptions is added; the old one is still available, but will be removed in a later major release (#668)
  • Low-level optimizations for polynomial arithmetic (minor efficiency improvements for BGV-like schemes)
  • Scheme switching code improvements; note that the API for scheme switching has changed! (#631)
  • Improves runtime for systems with a large number of threads/cores (#617)
  • Fast rotations are now fully operations in BFV (#569)
  • Includes fixes for 18 bugs

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.1.3%22

12/16/2023: OpenFHE 1.1.2 (stable) is released

  • Improves the performance of secret-key encryption and key generation for all schemes (#598)
  • Improves the efficiency of X(N)OR gates for FHEW/TFHE (#578)
  • Adds an article explaining how to configure OpenFHE for best performance (#549)
  • Includes 18 bug fixes

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/issues?q=is%3Aissue+milestone%3A%22Release+1.1.2%22

08/23/2023: OpenFHE 1.1.1 (development) is released

  • Fixes the CMake files (binfhe module is now a dependency for the pke module) [#525, #538]
  • Fixes a bug in EvalChebyshevFunction (#530)
  • Adds documentation for threshold FHE (#457)
  • Includes several other bug fixes

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/pulls?q=is%3Apr+milestone%3A%22Release+1.1.1%22

07/28/2023: OpenFHE 1.1.0 (development) is released

  • Adds scheme switching between CKKS and FHEW/TFHE
  • Adds comparison and (arg)min evaluation in CKKS via scheme switching to FHEW/FHEW
  • Implements a new FHEW/TFHE bootstrapping method proposed in https://eprint.iacr.org/2022/198 (EUROCRYPT'23)
  • Adds support for multi-input Boolean gates
  • Adds a parameter selection tool for FHEW/TFHE based on the lattice estimator (see https://github.com/openfheorg/openfhe-lattice-estimator)
  • Implements interactive CKKS bootstrapping based on threshold FHE
  • Includes many optimizations for all FHE schemes, e.g., FHEW/TFHE bootstrapping is now 2x faster (takes 26 ms on a commodity laptop)
  • Improves the Hardware Abstraction Layer
  • Many bug fixes and documentation changes

The detailed list of changes is available at https://github.com/openfheorg/openfhe-development/pulls?q=is%3Apr+milestone%3A%22Release+1.1.0%22

06/19/2023: OpenFHE 1.0.4 (stable) is released

  • Optimizes hybrid key switching (#377)
  • Several bugfixes for BFV (#422, #432)
  • Several bugfixes for CKKS (#424, #436)
  • Adds security work factors for the ring dimension of 64K (#439)
  • Fixes examples for FHEW/TFHE (#335, #357)
  • Adds support for gcc/g++ 13 (#430)
  • Other bugfixes and small documentation changes

03/17/2023: OpenFHE 1.0.3 (stable) is released

  • Corrects the noise estimation for BGV/BFV multiparty scenarios (#273)
  • Adjusts the logic when trying to bootstrap CKKS ciphertexts with remaining levels (#305)
  • Adds exception handling for several reported issues
  • Fixes several examples
  • Includes several documentation fixes

The detailed list is available at https://github.com/openfheorg/openfhe-development/pulls?q=is%3Apr+is%3Aclosed+milestone%3A%22Release+1.0.3%22

12/23/2022: OpenFHE 1.0.2 (stable) is released

  • Fixes several compilation errors affecting selected environments
  • Includes several documentation fixes

11/30/2022: OpenFHE 1.0.1 (stable) is released

  • Fixed the serialization bug affecting DM/CGGI schemes (binfhe module)
  • Added support for the Emscripten compiler (for WebAssembly compilation)

11/03/2022: OpenFHE 1.0.0 (development) is released

  • Doubles the precision of CKKS bootstrapping
  • Adds support for evaluating arbitrary smooth functions, including logistic function, sine, cosine, and division
  • Implements recommendations for INDCPA^D secure implemementation of CKKS proposed in https://eprint.iacr.org/2022/816 (CRYPTO'22)
  • Adds a new security mode for threshold FHE
  • Fixes many bugs

10/17/2022: OpenFHE 0.9.5 (development) is released

  • Improves precision of CKKS bootstrapping
  • Fixes a building error in MacOS
  • Includes other small bug fixes

10/05/2022: OpenFHE 0.9.4 (development) is released

  • Fixes build errors for NATIVE_SIZE=32
  • Includes other small bug fixes

09/16/2022: OpenFHE 0.9.3 (development) is released

  • Fixes build errors in MinGW
  • Fixes a compilation error with g++ 12
  • Includes fixes for the Proxy Re-Encryption functionality

08/18/2022: OpenFHE 0.9.2 (development) is released

  • Fixes a compilation error for some versions of MacOS
  • Fixes a problem with docker configuration
  • Includes bug fixes from PALISADE v1.11.7
  • Adds support for RISC-V architecture
  • Small optimizations for some of the CKKS operations

07/21/2022: OpenFHE 0.9.1 (development) is released

  • Fixes a compilation error for NATIVE_SIZE=128 in MacOS
  • Fixes small bugs

07/19/2022: OpenFHE 0.9.0 (development) is released

Includes all prior FHE functionality of PALISADE. Also adds the following new features:

Note: OpenFHE stems off of PALISADE. Refer to the following for PALISADE release notes