Hi everybody! On behalf of the VIFF Development Team, it is my pleasure to declare that we have reached VIFF version 1.0. The current code is useful, flexible and unlikely to change radically. Please download it here:
Tar/GZ: http://viff.dk/release/viff-1.0.tar.gz Tar/BZ2: http://viff.dk/release/viff-1.0.tar.bz2 Zip: http://viff.dk/release/viff-1.0.zip Exe: http://viff.dk/release/viff-1.0.win32.exe Thanks to all contributors who have helped create this release! The largest changes since 0.7.1 are summarized below: Version 1.0, released on 2009-12-14 ----------------------------------- The central class named Runtime was renamed to PassiveRuntime. All runtime classes now uses the common method names input and output for providing data to and retrieving data from the computation. A multiparty version of AES was added: it allows parties to encrypt a Shamir secret shared message under a secret shared AES key to obtain a secret shared ciphertext. * Moved the crypto-related code from the viff.runtime.Runtime class to a new class called viff.passive.PassiveRuntime. This is a backwards incompatible change. Please update your import statements to import PassiveRuntime instead of Runtime. * Introduced input method in PassiveRuntime and PaillierRuntime. This method should be used instead of shamir_share and share unless there is a particular reason to select a secret sharing strategy. * Introduced output method in Runtime classes. This method should be used instead of the open method, which will go away in a future release. * Renamed random seed environment variable from SEED to VIFF_SEED. * Made viff.prss.PRF produce consistent output on both 32-bit and 64-bit systems. * Exponentiation of shares by square-and-multiply for public exponents. This means that if x is a Share, x**7 now works. * Added multiparty AES encryption. A highly optimized version of AES has been added to viff.aes. It allows multiparty encryption of a secret shared message using a secret shared AES key. * Introduced our own Twisted reactor. This increases throughput by sending data sooner, rather than later. * Added new full-threshold actively secure runtime in viff.orlandi. It currently relies on a third-party proprietary library for computing commitments over elliptic curves, so it cannot be use with a plain VIFF installation. * Issue 4: Replace the marshal module. The marshal module is not safe to use for malicious data, so we now use the struct module to parse a fixed length format instead. * Issue 62: Proper error message when no SSL certificate present. * Issue 75: Test without local computations. The new FakeFieldElement class has the interface of a FieldElement but does no computations. A new --fake flag for benchmark.py enables these elements. -- Martin Geisler
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