classic-mceliece-rust 3.1.0

Pure rust implementation of the PQC scheme Classic McEliece
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44

//! Global paramaters for the different Classic McEliece variants

#[cfg(any(feature = "mceliece348864", feature = "mceliece348864f"))]
pub const GFBITS: usize = 12;
#[cfg(any(feature = "mceliece348864", feature = "mceliece348864f"))]
pub const SYS_N: usize = 3488;
#[cfg(any(feature = "mceliece348864", feature = "mceliece348864f"))]
pub const SYS_T: usize = 64;

#[cfg(any(feature = "mceliece460896", feature = "mceliece460896f"))]
pub const GFBITS: usize = 13;
#[cfg(any(feature = "mceliece460896", feature = "mceliece460896f"))]
pub const SYS_N: usize = 4608;
#[cfg(any(feature = "mceliece460896", feature = "mceliece460896f"))]
pub const SYS_T: usize = 96;

#[cfg(any(feature = "mceliece6688128", feature = "mceliece6688128f"))]
pub const GFBITS: usize = 13;
#[cfg(any(feature = "mceliece6688128", feature = "mceliece6688128f"))]
pub const SYS_N: usize = 6688;
#[cfg(any(feature = "mceliece6688128", feature = "mceliece6688128f"))]
pub const SYS_T: usize = 128;

#[cfg(any(feature = "mceliece6960119", feature = "mceliece6960119f"))]
pub const GFBITS: usize = 13;
#[cfg(any(feature = "mceliece6960119", feature = "mceliece6960119f"))]
pub const SYS_N: usize = 6960;
#[cfg(any(feature = "mceliece6960119", feature = "mceliece6960119f"))]
pub const SYS_T: usize = 119;

#[cfg(any(feature = "mceliece8192128", feature = "mceliece8192128f"))]
pub const GFBITS: usize = 13;
#[cfg(any(feature = "mceliece8192128", feature = "mceliece8192128f"))]
pub const SYS_N: usize = 8192;
#[cfg(any(feature = "mceliece8192128", feature = "mceliece8192128f"))]
pub const SYS_T: usize = 128;

pub const COND_BYTES: usize = (1 << (GFBITS - 4)) * (2 * GFBITS - 1);
pub const IRR_BYTES: usize = SYS_T * 2;
pub const PK_NROWS: usize = SYS_T * GFBITS;
pub const PK_NCOLS: usize = SYS_N - PK_NROWS;
pub const PK_ROW_BYTES: usize = PK_NCOLS.div_ceil(8);
pub const SYND_BYTES: usize = PK_NROWS.div_ceil(8);
pub const GFMASK: usize = (1 << GFBITS) - 1;