Aigis-Enc+

Lattices · MLWE · niccs.org.cn(opens in a new tab)

Programmes
NGCC R1
Status
NGCC round 1
Security flags
Implementation findings (all sets)

Third-party findings: full report on ngcc.dev(opens in a new tab).

Parameter sets

Parameter sets of Aigis-Enc+
Parameter setLevelpk (B)ct (B)pk+ct (B)KeygenEncapsDecaps
Aigis-Enc+-I Implementation findings128-bit6568961,55263.2 µs71.1 µs72.0 µs
Aigis-Enc+-II Implementation findings256-bit1,3121,6642,97696.6 µs115.0 µs117.5 µs
Aigis-Enc+-III Implementation findings512-bit2,6243,5846,208217.9 µs257.3 µs270.9 µs

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

  • Implementation findings (all parameter sets): Implicit rejection in the submitted decapsulation has no effect, so many modified ciphertexts return the original shared secret, breaking IND-CCA security (Saarinen). Full findings report(opens in a new tab)

History

No events recorded for this scheme yet.

Full timeline →