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Changelog
Diego F. Aranha edited this page Jun 19, 2022
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- Implemented faster subgroup membership tests for pairing-friendly curves
- Added const correctness to the whole library
- New pairing-friendly curves (BLS24 family)
- Improved multithreading support
- Added several laconic Private Set Intersection (PSI) protocols from https://eprint.iacr.org/2022/529
- Added Extendable (Threshold) Ring Signature Protocols from https://eprint.iacr.org/2021/1240
- Added pairing delegation protocols from https://eprint.iacr.org/2021/1029
- Added Bernstein-Yang constant-time field inversion protocol as described in https://eprint.iacr.org/2021/549
- Added Shamir's secret sharing and triples for MPC in pairing groups as in https://eprint.iacr.org/2020/691
- Many other fixes and improvements
- Added multiple protocols for linearly homomorphic signatures.
- New pairing-friendly curves (BLS12, Cocks-Pinch with k = 8, BLS48, KSS54).
- Added support to finite field arithmetic generated by Fiat-crypto.
- Heavy refactoring of the internal symbols to reduce collisions with other libraries.
- Heavy refactoring of the presets for clarity.
- Simplified memory management by removing STATIC allocator.
- Added indifferentiable hashing to BN and BLS12 curves.
- Removed SHA-1.
- Better support to Edwards curves.
- Lots of other minor fixes and improvements under the hood.
- Extended const-correctness to arithmetic backends.
- Improve side-channel resistance of some algorithms.
- Refactored extension field arithmetic.
- Refactored support for Koblitz and other curves with endomorphisms.
- Removed support for supersingular binary curves.
- Improved multithreading support.
- Added new random number generators.
- Added input/output support for many modules.
- Expanded coverage of PC module.
- Uncountable bugfixes and minor polishing.
- Fixed installation support.
- Added partial const-correctness across the library.
- Added support for simultaneous linking of multiple libraries.
- Added support for pairings defined over supersingular prime curves.
- Deprecated PB module and support to TinyPBC due to improved discrete log algorithms in small characteristic.
- Removed support for hyperelliptic supersingular curves, due to the same reason.
- As always, plenty of polishing and bug fixes.
- Added constant-time comparisons for verifying digital signatures.
- Added support for Android and updated support for Windows.
- Added explicit library context to make library thread-friendlier and support multiple configurations.
- Added support for BLS12 at the 192-bit security level curve and updated formulas for line functions in pairing computation.
- Added preliminary support for library fixes. Full support should come in next version (0.4.0).
- Lots of bug fixes and polishing.
- Licensing change.
- RSA is now able to sign a precomputed hash.
- Refactored code for pairings over binary and prime fields.
- Faster GMP backend.
- Released backends for TI MSP430 platform.
- Added a new backend for instantiating TinyPBC at the 80-bit security level on AVR sensors.
- Added a new backend for primitive CURVE2251 on SSE-capable platforms and the corresponding preset.
- Improved compatibility with Windows platforms.
- Minor speedups in pairing code and new parameters at the 192-bit security level.
- Square roots can now be computed when p = 1 mod 4.
- Added pairings defined over supersingular genus-2 curves over binary fields.
- Added ECMQV protocol.
- Fixed MANY bugs and memory leaks.
- Faster pairings over BN curves using lazy reduction (more to come on 0.3.1!).
- First bits of ternary field arithmetic and time-space trade-offs for computing fixed powers of binary fields.
- Support for supersingular genus-2 curves over binary fields.
- Elliptic curve Schnorr signatures and BLS and Boneh-Boyen short signature schemes.
- Better standards-compliance and new padding schemes for RSA.
- Fixed MANY bugs.
- Fixed a TinyPBC integration bug.
- Updated the TinyPBC AVR profile and released the arithmetic backend for fast binary field arithmetic and fast pairing computation on AVR devices.
- Added a new faster memory allocator called AUTO. It is now the default and will replace the STACK allocator in the next releases.
- Several bugs fixed.
- Added support for prime fields and standard NIST curves over prime fields.
- Added support for Barreto-Naehrig pairing-friendly curves and the R-ate pairing.
- Added an abstraction layer so that protocols can be implemented over a generic pairing e : G_1 x G_2 -> G_T.
- Fixed several OSX-only bugs.
- Included support for TinyPBC targets.
- Initial release supporting multi-precision arithmetic, binary fields, NIST binary curves and the nT pairing over supersingular curves.