microsoft/SEAL v4.1.0

Release 4.1.0

on GitHub

Features

• The BGV scheme now keeps ciphertexts in NTT form. BGV ciphertext multiplication is much faster than version 4.0.0.
• When a BGV ciphertext saved by previous versions is loaded in the current version, it is automatically converted to NTT form.
• Increased SEAL_COEFF_MOD_COUNT_MAX, the maximum number of primes that define the coefficient modulus, from 64 to 256.

Other Fixes

• Fixed typos (PR #590).
• Added $schema to cgmanifest.json (PR #558).
• Fixed typos (PR #512).
• Fixed typos (PR #530).
• Fixed typos (PR #509).
• Added missing const qualifiers (PR #556).
• Added vcpkg installation instructions (PR #562).
• Fixed an issue in specific environments where allocation fails without throwing std::bad_alloc.
• Fixed comments (C++) and C/.NET wrapper implementation of an exception thrown by invariant_noise_budget.

Major API Changes

• Added new public methods mod_reduce_xxx(...) (native) and ModReduceXxx(...) (dotnet) to the class Evaluator.