mii/RustySecrets
1
0
Fork 0
mirror of https://github.com/mii443/RustySecrets.git synced 2025-08-22 16:25:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

Preliminary implementation of deterministic secret sharing

Browse Source 
#32
This commit is contained in:
Romain Ruetschi
2018-02-11 22:17:07 +01:00
committed by GitHub
parent d857157efd
commit 40f6190a9b
93 changed files with 6075 additions and 1573 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
build.rs
View File

@ -17,38 +17,38 @@ fn mask(bit: u8) -> u8 {
/// of the polynomial division with POLY as divisor
#[inline]
fn xtimes(poly: u8) -> u8 {
(poly << 1) ^ (mask(poly >> 7) & POLY)
(poly << 1) ^ (mask(poly >> 7) & POLY)
}
struct Tables {
exp: [u8; 256],
log: [u8; 256],
exp: [u8; 256],
log: [u8; 256],
}
fn generate_tables(mut file: &File) {
let mut tabs = Tables {
exp: [0; 256],
log: [0; 256],
exp: [0; 256],
log: [0; 256],
};
let mut tmp = 1;
for power in 0..255usize {
tabs.exp[power] = tmp;
tabs.log[tmp as usize] = power as u8;
tmp = xtimes(tmp);
tabs.exp[power] = tmp;
tabs.log[tmp as usize] = power as u8;
tmp = xtimes(tmp);
}
tabs.exp[255] = 1;
match write!(file, "{}", tabs) {
Ok(()) => {}
Err(_) => panic!("Could not format the table. Aborting build.")
Err(_) => panic!("Could not format the table. Aborting build."),
};
}
fn farray(array: [u8; 256], f: &mut fmt::Formatter) -> fmt::Result {
for (index, value) in array.into_iter().enumerate() {
try!(write!(f, "{}", value));
if index != array.len()-1 {
if index != array.len() - 1 {
try!(write!(f, ","));
}
}
@ -75,12 +75,15 @@ fn main() {
let mut f = File::create(&dest).unwrap();
write!(f, "pub struct Tables {{
pub exp: [u8; 256],
pub log: [u8; 256]
}}
pub static TABLES: Tables = ");
write!(
f,
"pub struct Tables {{ \
pub exp: [u8; 256], \
pub log: [u8; 256] \
}} \
\
pub static TABLES: Tables = "
);
generate_tables(&f);
}