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fixslice64.rs

Contains an unbounded block loopSource references XOR syntax

SHA-256f3ad77958dcf873af432732abe292a82049dbc53e2cdc2311d4be0f99ac926b1

Evidence

English function-word token "the" lines 1–5

1:3… ! Fixsliced implementations of AES-128, AES-192 and AES-256 (64-bit)
2//! adapted from the C implementation.
3//!
4//! All implementations are fully bitsliced and do not rely on any
5//! Lo …

imports cipher::consts::U16 lines 14–28

14:11… ally licensed MIT. Relicensed as Apache 2.0+MIT with permission.
15
16#![allow(clippy::unreadable_literal)]
17
18use crate::Block;
19use cipher::{
20    consts::{U16, U24, U32},
21    generic_array::GenericArray,
22};
23
24/// AES block batch size for this implementation
25pub(crate) const FIXSLICE_BLOCKS: usize = 4;
26
27/// AES-128 round keys
28pub(crate)  …

Contains an unbounded block loop lines 102–113

102:52… ..], &key[8..]);
103
104    let mut rcon = 0;
105    let mut rk_off = 8;
106
⋯7 lines

Source references XOR syntax lines 132–136

27… 0f000f000f & (ui >> 12);
          tmp[i] = ti
              ^ (0xfff0fff0fff0fff0 & (ti << 4))
              ^ (0xff00ff00ff00ff00 & (ti << 8))
              ^ (0xf000f000f000f000 & (ti  …

XOR-mutates an indexed byte lines 980–989

980:18… (state: &mut [u64]) {
981    debug_assert_eq!(state.len(), 8);
982    state[0] ^= 0xffffffffffffffff;
983    state[1] ^= 0xffffffffffffffff;
984    state[5] ^= 0xffffffffffffffff;
985    state[6] ^= 0xffffffffffffffff;
986}
987
988/// Computation of the MixColumns transformation in the fixsliced representation, with different
989/// rotation …