nann-cheng/legendre-oprf

A communication-less distributed Legendre-OPRF protocol from general replicated secret sharing

Legendre-OPRF

An ARM64 arithmetic library for the Legendre PRF based distributed OPRF

Run make which will compile arithmetic tests and benchmarks for 64,128,192,256,512 bit sized prime fields. The executables are main64, main128, main192, main256, main512.

By running make main64 you will only compile the 64 bit prime arithmetic (and respectively for 128, 192, 256, 512)

By running make main64 OPT_LEVEL=FAST you will compile ARM64 assembly code which is optimised. It speeds up the multiplications, modular reduction, etc. For other prime sizes use main128, etc. respectively. Currently assembly is only implemented for 64 and 128 bits. (Some functions are faster without the "FAST" flag due to the compiler unwrapping some loops and speeding up some functions, which it doesn't do when compiling assembly. This only happens for cryptographically irrelevant sized primes (64) due to cache being large enough to allow the compiler to do this speedup.)

FASTER WAY TO RUN

Another way to do all tests is to give execution priviledges to go.sh chmod +x go.sh

This script cleans, compiles and runs the program. Make sure execution priviledges are provided for the directory.

./go.sh Makes all prime sizes and runs all tests and benchmarks

./go.sh FAST Makes all prime sizes with ARM64 assebly, and runs all tests and benchmark

./go.sh X Makes X bit prime arithmetic, runs all tests and benchmark

./go.sh X FAST Makes X bit prime arithmetic with assembly, runs all tests and benchmarks

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Copyright 2024 NOVAK KALUĐEROVIĆ

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