TFHE-rs v0.3.0

TFHE-rs v0.3.0 includes:

• In the High-level API:

  • Scalar_bitwise/div/rem operations
  • Not operator (!)
  • Scalar comparisons
  • Not equal
  • Bit rotations
  • Homomorphic shifts
  • Multibit PBS
  • Impl TryFrom operators for GenericInteger: RadixCiphertext and Vec
  • CompressedPublicKey decompression
  • CompressedServerKey
  • Casting between integer types
  • Use one unique key for integers
  • Trivial encryptions

• In the Integer API:

  • Division by encrypted value
  • Scalar division/remainder
  • Scalar comparisons
  • CastingKey struct to allow users to switch between integer parameter sets
  • Scalar_mul generic over UnsignedInteger
  • Reduced default sub latency
  • Faster scalar add, sub and negation
  • Scalar shift match rust when shift >= bit size
  • Shifts and rotates on encrypted values
  • Decompression of CompressedPublicKey
  • Faster mul and scalar mul
  • Faster parallel algorithms for add/sub
  • Parallelized scalar rotate_left/right
  • Improved scalar shift performance
  • Trivial encryption
  • Scalar bitwise operations
  • Faster eq (==)
  • Not equal operator (!=)

• In the Shortint API:

  • Encrypt_message_and_carry function
  • Possibility to select deterministic execution for multibit PBS
  • CastingKey struct to allow users to change server_key during a circuit execution on the server
  • The possibility to use multi bit PBS

• In the Boolean API:

  • BooleanEngine::replace_thread_local
  • CastingKey struct to allow users to change server_key during a circuit execution on the server
  • CompressedPublicKey

• In the Core Crypto API:

  • Compact Public Key
  • Std multi-bit bootstrapping
  • Deterministic Multibit PBS

• Test Improvements:

  • Test On Noise Variance For LWE Encryption
  • Normality Test Based On Shapiro-Francia

• Applications

  • Trivium application of TFHE
  • Boolean sha256 tutorial
  • Dark market tutorial
  • FHE Regex Pattern Matching Engine

• C / WASM APIs:

  • Safer destroys
  • #[repr(C)] for boolean parameters
  • Parralellism in wasm API and wasm for HLAPI (client side)

• Documentation

  • Refactor of the documentation