ProtossPAKEBench

Implementation of Protoss in C (libsodium), C++ (libsodium), Rust (Dalek), and Python, including comparisons with CPace.

Protoss PAKE

For the theoretical details of Protoss, refer to Protoss paper by Di Giandomenico, E., Li, Y. and Schäge, S.

Structure

• libsodium-c/: C implementation of Protoss using libsodium's Ristretto255 operations. Benchmarking code provided.
• libsodium-cpp/: C++ implementation of Protoss using libsodium. Benchmarking code provided.
• dalek-rust/: Rust implementation of Protoss using curve25519-dalek. Benchmarking code provided.
• python/: Python implementation of Protoss via ctypes bindings with libsodium. Benchmarking code provided.
• cpace-protoss-comparison/: Benchmarks comparing CPace and Protoss in C (libsodium), C++ (libsodium), and Rust (Dalek). Benchmarking code provided.

Licensing

• This project is licensed under the BSD 2-Clause.
• The CPACE library, used in cpace-protoss-comparison/, is licensed under the BSD 2-Clause License by Frank Denis (2020-2021). See licenses-used-libraries/LICENSE-CPACE for details.
• The SODIUM library, used for the C and C++ implementations of Protoss and the comparison with CPace, is licensed under the ISC License by Frank Denis (2013-2025). See licenses-used-libraries/LICENSE-LIBSODIUM for details.