HPPC

Multivariate · HFE · csrc.nist.gov(opens in a new tab)

Programmes
On-ramp R1
Latest version
Round 1 ·
Security flags
Broken (all sets)

Parameter sets

Round 1 · 1 Jun 2023

Parameter sets of HPPC
Parameter setLevelpk (B)sig (B)pk+sig (B)SignVerify
256 Broken51,028,000331,028,0331.20 s25.10 ms
192 Broken4434,25025434,2751.00 s10.70 ms
128 Broken2129,00021129,021689.75 ms3.18 ms

Wall-clock times vary between runs and machines (CPU frequency scaling, other tenants on cloud VMs); cycle counts are the steadier basis for comparison.

Security flags

  • Broken (all parameter sets): 2^64 collision / universal forgery attack

Only one version of HPPC is recorded, so there is nothing to compare yet.

History

  1. New version

    Round 1

Full timeline →