acw/simple_crypto
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Split the CryptoNum trait into pieces, in preparation for negative numbers.

Browse Source
This commit is contained in:
Adam Wick
2018-03-10 18:04:56 -08:00
parent 17da7a43d6
commit ded93767ed
2 changed files with 18 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/cryptonum/builder.rs
View File

@@ -225,9 +225,7 @@ macro_rules! construct_unsigned {
}
}
impl CryptoNum for $type {
type BarrettMu = $barrett;
impl CryptoNumBase for $type {
fn zero() -> $type {
$type { contents: [0; $count] }
}
@@ -257,12 +255,10 @@ macro_rules! construct_unsigned {
from_to!($type, $count, u16, from_u16, to_u16);
from_to!($type, $count, u32, from_u32, to_u32);
from_to!($type, $count, u64, from_u64, to_u64);
}
fn divmod(&self, a: &$type, q: &mut $type, r: &mut $type) {
generic_div(&self.contents, &a.contents,
&mut q.contents, &mut r.contents);
}
impl CryptoNumSerialization for $type {
fn to_bytes(&self) -> Vec<u8> {
let mut res = Vec::with_capacity($count * 8);
for x in self.contents.iter() {
@@ -298,6 +294,10 @@ macro_rules! construct_unsigned {
assert!(i == $count);
res
}
}
impl CryptoNumFastMod for $type {
type BarrettMu = $barrett;
fn barrett_mu(&self) -> Option<$barrett> {
// Step #0: Don't divide by 0.