Difference between revisions of "LOTUS-KEM"

Variant
Description	Learning with errors ;
Assumption	LWE
Functionality	PKE
Public Key ; (bytes)	L1 ; 658950, L3; 1025000, L5; 1471000
Secret Key ; (bytes)	L1; 700420, L3; 1101000, L5; 1590800
CIPH/SIG ; (bytes)	L1; 1144, L3; 1456, L5; 1768
Attacks - Comment	It is shown that KEM LOTUS 128 fails to achieve CCA security. The claim is confirmed by the designers and the proposal is revised. It is claimed by the designers that previously proposed attack does not apply anymore.
Security Discussions	IND-CCA2
Challenges
Notes
Updated	[

Latest revision as of 23:34, 12 May 2021

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Variant
Description	Learning with errors
Assumption	LWE
Functionality	PKE
Public Key (bytes)	L1 ; 658950, L3; 1025000, L5; 1471000
Secret Key (bytes)	L1; 700420, L3; 1101000, L5; 1590800
CIPH/SIG (bytes)	L1; 1144, L3; 1456, L5; 1768
Attacks - Comment	It is shown that KEM LOTUS 128 fails to achieve CCA security. The claim is confirmed by the designers and the proposal is revised. It is claimed by the designers that previously proposed attack does not apply anymore.
Security Discussions	IND-CCA2
Challenges
Notes
Updated	[