From: Dongsoo Lee
> Sent: 12 January 2024 02:29
>
> For the x86_64 environment, we use AVX-512F/AVX2/SSE2 instructions.
> Since LEA uses 128-bit blocks of four 32-bit integers, for optimization,
> SSE2 encrypts 4 blocks, AVX2 encrypts 4/8 blocks, and AVX-512F encrypts
> 4/8/16 blocks at a time.
>
> Our submission provides a optimized implementation of ECB, CBC
> decryption, CTR, and XTS cipher operation modes on x86_64 CPUs
> supporting.
Given you say in 0/0:
The LEA algorithm is a lightweight block cipher that processes data blocks of
128-bits and has three different key lengths, each with a different number of
rounds:
Just how big is it ?
Doesn't look 'lightweight' to me.
David
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