Microsoft SEAL

Microsoft SEAL

Established 2017

12/2/2018: SEAL 3.1.0 released on GitHub under MIT license

February 22, 2019

In addition to the license change, this release brings many internal and a few API updates.

  • Changed to use Google Test framework for unit tests
  • Added support for 32-bit platforms
  • Cleaned up source code from unnecessary files and functions; improved build time
  • Changed directory structure to be more descriptive
  • Visual Studio solution now uses CMake to configure SEAL on Windows
  • Fixed multiple bugs
  • New capabilities, including:
    • Option of not expanding modulus chain when it is not needed
    • Easier to generate Galois keys for specific rotations
    • Loading now validates the correctness of plaintexts, ciphertexts, and keys for given SEALContext
    • New EncryptionParameterQualifiers flag indicating HomomorphicEncryption.org security standard compliance for parameters; option of enforcing the security standard
    • Secret key data is now cleared automatically from memory by destructors of SecretKey, KeyGenerator, and Decryptor