use core::convert::TryInto;
use core::ops::Index;
use core::slice::SliceIndex;
use core::{cmp, str};
use crate::{FromSliceError, HashEngine as _};
crate::internal_macros::hash_type! {
160,
false,
"Output of the RIPEMD160 hash function.",
"crate::util::json_hex_string::len_20"
}
#[cfg(not(hashes_fuzz))]
fn from_engine(mut e: HashEngine) -> Hash {
let data_len = e.length as u64;
let zeroes = [0; BLOCK_SIZE - 8];
e.input(&[0x80]);
if e.length % BLOCK_SIZE > zeroes.len() {
e.input(&zeroes);
}
let pad_length = zeroes.len() - (e.length % BLOCK_SIZE);
e.input(&zeroes[..pad_length]);
debug_assert_eq!(e.length % BLOCK_SIZE, zeroes.len());
e.input(&(8 * data_len).to_le_bytes());
debug_assert_eq!(e.length % BLOCK_SIZE, 0);
Hash(e.midstate())
}
#[cfg(hashes_fuzz)]
fn from_engine(e: HashEngine) -> Hash {
let mut res = e.midstate();
res[0] ^= (e.length & 0xff) as u8;
Hash(res)
}
const BLOCK_SIZE: usize = 64;
#[derive(Clone)]
pub struct HashEngine {
buffer: [u8; BLOCK_SIZE],
h: [u32; 5],
length: usize,
}
impl Default for HashEngine {
fn default() -> Self {
HashEngine {
h: [0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0],
length: 0,
buffer: [0; BLOCK_SIZE],
}
}
}
impl crate::HashEngine for HashEngine {
type MidState = [u8; 20];
#[cfg(not(hashes_fuzz))]
fn midstate(&self) -> [u8; 20] {
let mut ret = [0; 20];
for (val, ret_bytes) in self.h.iter().zip(ret.chunks_exact_mut(4)) {
ret_bytes.copy_from_slice(&(*val).to_le_bytes());
}
ret
}
#[cfg(hashes_fuzz)]
fn midstate(&self) -> [u8; 20] {
let mut ret = [0; 20];
ret.copy_from_slice(&self.buffer[..20]);
ret
}
const BLOCK_SIZE: usize = 64;
fn n_bytes_hashed(&self) -> usize { self.length }
engine_input_impl!();
}
#[cfg(feature = "small-hash")]
#[macro_use]
mod small_hash {
#[rustfmt::skip]
pub(super) fn round(a: u32, _b: u32, c: u32, _d: u32, e: u32,
x: u32, bits: u32, add: u32, round: u32,
) -> (u32, u32) {
let a = a.wrapping_add(round).wrapping_add(x).wrapping_add(add);
let a = a.rotate_left(bits).wrapping_add(e);
let c = c.rotate_left(10);
(a, c)
}
macro_rules! round(
($a:expr, $b:expr, $c:expr, $d:expr, $e:expr,
$x:expr, $bits:expr, $add:expr, $round:expr) => ({
let updates = small_hash::round($a, $b, $c, $d, $e, $x, $bits, $add, $round);
$a = updates.0;
$c = updates.1;
});
);
}
#[cfg(not(feature = "small-hash"))]
macro_rules! round(
($a:expr, $b:expr, $c:expr, $d:expr, $e:expr,
$x:expr, $bits:expr, $add:expr, $round:expr) => ({
$a = $a.wrapping_add($round).wrapping_add($x).wrapping_add($add);
$a = $a.rotate_left($bits).wrapping_add($e);
$c = $c.rotate_left(10);
});
);
macro_rules! process_block(
($h:expr, $data:expr,
$( round1: h_ordering $f0:expr, $f1:expr, $f2:expr, $f3:expr, $f4:expr;
data_index $data_index1:expr; roll_shift $bits1:expr; )*
$( round2: h_ordering $g0:expr, $g1:expr, $g2:expr, $g3:expr, $g4:expr;
data_index $data_index2:expr; roll_shift $bits2:expr; )*
$( round3: h_ordering $h0:expr, $h1:expr, $h2:expr, $h3:expr, $h4:expr;
data_index $data_index3:expr; roll_shift $bits3:expr; )*
$( round4: h_ordering $i0:expr, $i1:expr, $i2:expr, $i3:expr, $i4:expr;
data_index $data_index4:expr; roll_shift $bits4:expr; )*
$( round5: h_ordering $j0:expr, $j1:expr, $j2:expr, $j3:expr, $j4:expr;
data_index $data_index5:expr; roll_shift $bits5:expr; )*
$( par_round1: h_ordering $pj0:expr, $pj1:expr, $pj2:expr, $pj3:expr, $pj4:expr;
data_index $pdata_index1:expr; roll_shift $pbits1:expr; )*
$( par_round2: h_ordering $pi0:expr, $pi1:expr, $pi2:expr, $pi3:expr, $pi4:expr;
data_index $pdata_index2:expr; roll_shift $pbits2:expr; )*
$( par_round3: h_ordering $ph0:expr, $ph1:expr, $ph2:expr, $ph3:expr, $ph4:expr;
data_index $pdata_index3:expr; roll_shift $pbits3:expr; )*
$( par_round4: h_ordering $pg0:expr, $pg1:expr, $pg2:expr, $pg3:expr, $pg4:expr;
data_index $pdata_index4:expr; roll_shift $pbits4:expr; )*
$( par_round5: h_ordering $pf0:expr, $pf1:expr, $pf2:expr, $pf3:expr, $pf4:expr;
data_index $pdata_index5:expr; roll_shift $pbits5:expr; )*
) => ({
let mut bb = $h;
let mut bbb = $h;
$( round!(bb[$f0], bb[$f1], bb[$f2], bb[$f3], bb[$f4],
$data[$data_index1], $bits1, 0x00000000,
bb[$f1] ^ bb[$f2] ^ bb[$f3]); )*
$( round!(bb[$g0], bb[$g1], bb[$g2], bb[$g3], bb[$g4],
$data[$data_index2], $bits2, 0x5a827999,
(bb[$g1] & bb[$g2]) | (!bb[$g1] & bb[$g3])); )*
$( round!(bb[$h0], bb[$h1], bb[$h2], bb[$h3], bb[$h4],
$data[$data_index3], $bits3, 0x6ed9eba1,
(bb[$h1] | !bb[$h2]) ^ bb[$h3]); )*
$( round!(bb[$i0], bb[$i1], bb[$i2], bb[$i3], bb[$i4],
$data[$data_index4], $bits4, 0x8f1bbcdc,
(bb[$i1] & bb[$i3]) | (bb[$i2] & !bb[$i3])); )*
$( round!(bb[$j0], bb[$j1], bb[$j2], bb[$j3], bb[$j4],
$data[$data_index5], $bits5, 0xa953fd4e,
bb[$j1] ^ (bb[$j2] | !bb[$j3])); )*
$( round!(bbb[$pj0], bbb[$pj1], bbb[$pj2], bbb[$pj3], bbb[$pj4],
$data[$pdata_index1], $pbits1, 0x50a28be6,
bbb[$pj1] ^ (bbb[$pj2] | !bbb[$pj3])); )*
$( round!(bbb[$pi0], bbb[$pi1], bbb[$pi2], bbb[$pi3], bbb[$pi4],
$data[$pdata_index2], $pbits2, 0x5c4dd124,
(bbb[$pi1] & bbb[$pi3]) | (bbb[$pi2] & !bbb[$pi3])); )*
$( round!(bbb[$ph0], bbb[$ph1], bbb[$ph2], bbb[$ph3], bbb[$ph4],
$data[$pdata_index3], $pbits3, 0x6d703ef3,
(bbb[$ph1] | !bbb[$ph2]) ^ bbb[$ph3]); )*
$( round!(bbb[$pg0], bbb[$pg1], bbb[$pg2], bbb[$pg3], bbb[$pg4],
$data[$pdata_index4], $pbits4, 0x7a6d76e9,
(bbb[$pg1] & bbb[$pg2]) | (!bbb[$pg1] & bbb[$pg3])); )*
$( round!(bbb[$pf0], bbb[$pf1], bbb[$pf2], bbb[$pf3], bbb[$pf4],
$data[$pdata_index5], $pbits5, 0x00000000,
bbb[$pf1] ^ bbb[$pf2] ^ bbb[$pf3]); )*
bbb[3] = bbb[3].wrapping_add($h[1]).wrapping_add(bb[2]);
$h[1] = $h[2].wrapping_add(bb[3]).wrapping_add(bbb[4]);
$h[2] = $h[3].wrapping_add(bb[4]).wrapping_add(bbb[0]);
$h[3] = $h[4].wrapping_add(bb[0]).wrapping_add(bbb[1]);
$h[4] = $h[0].wrapping_add(bb[1]).wrapping_add(bbb[2]);
$h[0] = bbb[3];
});
);
impl HashEngine {
fn process_block(&mut self) {
debug_assert_eq!(self.buffer.len(), BLOCK_SIZE);
let mut w = [0u32; 16];
for (w_val, buff_bytes) in w.iter_mut().zip(self.buffer.chunks_exact(4)) {
*w_val = u32::from_le_bytes(buff_bytes.try_into().expect("4 byte slice"))
}
process_block!(self.h, w,
round1: h_ordering 0, 1, 2, 3, 4; data_index 0; roll_shift 11;
round1: h_ordering 4, 0, 1, 2, 3; data_index 1; roll_shift 14;
round1: h_ordering 3, 4, 0, 1, 2; data_index 2; roll_shift 15;
round1: h_ordering 2, 3, 4, 0, 1; data_index 3; roll_shift 12;
round1: h_ordering 1, 2, 3, 4, 0; data_index 4; roll_shift 5;
round1: h_ordering 0, 1, 2, 3, 4; data_index 5; roll_shift 8;
round1: h_ordering 4, 0, 1, 2, 3; data_index 6; roll_shift 7;
round1: h_ordering 3, 4, 0, 1, 2; data_index 7; roll_shift 9;
round1: h_ordering 2, 3, 4, 0, 1; data_index 8; roll_shift 11;
round1: h_ordering 1, 2, 3, 4, 0; data_index 9; roll_shift 13;
round1: h_ordering 0, 1, 2, 3, 4; data_index 10; roll_shift 14;
round1: h_ordering 4, 0, 1, 2, 3; data_index 11; roll_shift 15;
round1: h_ordering 3, 4, 0, 1, 2; data_index 12; roll_shift 6;
round1: h_ordering 2, 3, 4, 0, 1; data_index 13; roll_shift 7;
round1: h_ordering 1, 2, 3, 4, 0; data_index 14; roll_shift 9;
round1: h_ordering 0, 1, 2, 3, 4; data_index 15; roll_shift 8;
round2: h_ordering 4, 0, 1, 2, 3; data_index 7; roll_shift 7;
round2: h_ordering 3, 4, 0, 1, 2; data_index 4; roll_shift 6;
round2: h_ordering 2, 3, 4, 0, 1; data_index 13; roll_shift 8;
round2: h_ordering 1, 2, 3, 4, 0; data_index 1; roll_shift 13;
round2: h_ordering 0, 1, 2, 3, 4; data_index 10; roll_shift 11;
round2: h_ordering 4, 0, 1, 2, 3; data_index 6; roll_shift 9;
round2: h_ordering 3, 4, 0, 1, 2; data_index 15; roll_shift 7;
round2: h_ordering 2, 3, 4, 0, 1; data_index 3; roll_shift 15;
round2: h_ordering 1, 2, 3, 4, 0; data_index 12; roll_shift 7;
round2: h_ordering 0, 1, 2, 3, 4; data_index 0; roll_shift 12;
round2: h_ordering 4, 0, 1, 2, 3; data_index 9; roll_shift 15;
round2: h_ordering 3, 4, 0, 1, 2; data_index 5; roll_shift 9;
round2: h_ordering 2, 3, 4, 0, 1; data_index 2; roll_shift 11;
round2: h_ordering 1, 2, 3, 4, 0; data_index 14; roll_shift 7;
round2: h_ordering 0, 1, 2, 3, 4; data_index 11; roll_shift 13;
round2: h_ordering 4, 0, 1, 2, 3; data_index 8; roll_shift 12;
round3: h_ordering 3, 4, 0, 1, 2; data_index 3; roll_shift 11;
round3: h_ordering 2, 3, 4, 0, 1; data_index 10; roll_shift 13;
round3: h_ordering 1, 2, 3, 4, 0; data_index 14; roll_shift 6;
round3: h_ordering 0, 1, 2, 3, 4; data_index 4; roll_shift 7;
round3: h_ordering 4, 0, 1, 2, 3; data_index 9; roll_shift 14;
round3: h_ordering 3, 4, 0, 1, 2; data_index 15; roll_shift 9;
round3: h_ordering 2, 3, 4, 0, 1; data_index 8; roll_shift 13;
round3: h_ordering 1, 2, 3, 4, 0; data_index 1; roll_shift 15;
round3: h_ordering 0, 1, 2, 3, 4; data_index 2; roll_shift 14;
round3: h_ordering 4, 0, 1, 2, 3; data_index 7; roll_shift 8;
round3: h_ordering 3, 4, 0, 1, 2; data_index 0; roll_shift 13;
round3: h_ordering 2, 3, 4, 0, 1; data_index 6; roll_shift 6;
round3: h_ordering 1, 2, 3, 4, 0; data_index 13; roll_shift 5;
round3: h_ordering 0, 1, 2, 3, 4; data_index 11; roll_shift 12;
round3: h_ordering 4, 0, 1, 2, 3; data_index 5; roll_shift 7;
round3: h_ordering 3, 4, 0, 1, 2; data_index 12; roll_shift 5;
round4: h_ordering 2, 3, 4, 0, 1; data_index 1; roll_shift 11;
round4: h_ordering 1, 2, 3, 4, 0; data_index 9; roll_shift 12;
round4: h_ordering 0, 1, 2, 3, 4; data_index 11; roll_shift 14;
round4: h_ordering 4, 0, 1, 2, 3; data_index 10; roll_shift 15;
round4: h_ordering 3, 4, 0, 1, 2; data_index 0; roll_shift 14;
round4: h_ordering 2, 3, 4, 0, 1; data_index 8; roll_shift 15;
round4: h_ordering 1, 2, 3, 4, 0; data_index 12; roll_shift 9;
round4: h_ordering 0, 1, 2, 3, 4; data_index 4; roll_shift 8;
round4: h_ordering 4, 0, 1, 2, 3; data_index 13; roll_shift 9;
round4: h_ordering 3, 4, 0, 1, 2; data_index 3; roll_shift 14;
round4: h_ordering 2, 3, 4, 0, 1; data_index 7; roll_shift 5;
round4: h_ordering 1, 2, 3, 4, 0; data_index 15; roll_shift 6;
round4: h_ordering 0, 1, 2, 3, 4; data_index 14; roll_shift 8;
round4: h_ordering 4, 0, 1, 2, 3; data_index 5; roll_shift 6;
round4: h_ordering 3, 4, 0, 1, 2; data_index 6; roll_shift 5;
round4: h_ordering 2, 3, 4, 0, 1; data_index 2; roll_shift 12;
round5: h_ordering 1, 2, 3, 4, 0; data_index 4; roll_shift 9;
round5: h_ordering 0, 1, 2, 3, 4; data_index 0; roll_shift 15;
round5: h_ordering 4, 0, 1, 2, 3; data_index 5; roll_shift 5;
round5: h_ordering 3, 4, 0, 1, 2; data_index 9; roll_shift 11;
round5: h_ordering 2, 3, 4, 0, 1; data_index 7; roll_shift 6;
round5: h_ordering 1, 2, 3, 4, 0; data_index 12; roll_shift 8;
round5: h_ordering 0, 1, 2, 3, 4; data_index 2; roll_shift 13;
round5: h_ordering 4, 0, 1, 2, 3; data_index 10; roll_shift 12;
round5: h_ordering 3, 4, 0, 1, 2; data_index 14; roll_shift 5;
round5: h_ordering 2, 3, 4, 0, 1; data_index 1; roll_shift 12;
round5: h_ordering 1, 2, 3, 4, 0; data_index 3; roll_shift 13;
round5: h_ordering 0, 1, 2, 3, 4; data_index 8; roll_shift 14;
round5: h_ordering 4, 0, 1, 2, 3; data_index 11; roll_shift 11;
round5: h_ordering 3, 4, 0, 1, 2; data_index 6; roll_shift 8;
round5: h_ordering 2, 3, 4, 0, 1; data_index 15; roll_shift 5;
round5: h_ordering 1, 2, 3, 4, 0; data_index 13; roll_shift 6;
par_round1: h_ordering 0, 1, 2, 3, 4; data_index 5; roll_shift 8;
par_round1: h_ordering 4, 0, 1, 2, 3; data_index 14; roll_shift 9;
par_round1: h_ordering 3, 4, 0, 1, 2; data_index 7; roll_shift 9;
par_round1: h_ordering 2, 3, 4, 0, 1; data_index 0; roll_shift 11;
par_round1: h_ordering 1, 2, 3, 4, 0; data_index 9; roll_shift 13;
par_round1: h_ordering 0, 1, 2, 3, 4; data_index 2; roll_shift 15;
par_round1: h_ordering 4, 0, 1, 2, 3; data_index 11; roll_shift 15;
par_round1: h_ordering 3, 4, 0, 1, 2; data_index 4; roll_shift 5;
par_round1: h_ordering 2, 3, 4, 0, 1; data_index 13; roll_shift 7;
par_round1: h_ordering 1, 2, 3, 4, 0; data_index 6; roll_shift 7;
par_round1: h_ordering 0, 1, 2, 3, 4; data_index 15; roll_shift 8;
par_round1: h_ordering 4, 0, 1, 2, 3; data_index 8; roll_shift 11;
par_round1: h_ordering 3, 4, 0, 1, 2; data_index 1; roll_shift 14;
par_round1: h_ordering 2, 3, 4, 0, 1; data_index 10; roll_shift 14;
par_round1: h_ordering 1, 2, 3, 4, 0; data_index 3; roll_shift 12;
par_round1: h_ordering 0, 1, 2, 3, 4; data_index 12; roll_shift 6;
par_round2: h_ordering 4, 0, 1, 2, 3; data_index 6; roll_shift 9;
par_round2: h_ordering 3, 4, 0, 1, 2; data_index 11; roll_shift 13;
par_round2: h_ordering 2, 3, 4, 0, 1; data_index 3; roll_shift 15;
par_round2: h_ordering 1, 2, 3, 4, 0; data_index 7; roll_shift 7;
par_round2: h_ordering 0, 1, 2, 3, 4; data_index 0; roll_shift 12;
par_round2: h_ordering 4, 0, 1, 2, 3; data_index 13; roll_shift 8;
par_round2: h_ordering 3, 4, 0, 1, 2; data_index 5; roll_shift 9;
par_round2: h_ordering 2, 3, 4, 0, 1; data_index 10; roll_shift 11;
par_round2: h_ordering 1, 2, 3, 4, 0; data_index 14; roll_shift 7;
par_round2: h_ordering 0, 1, 2, 3, 4; data_index 15; roll_shift 7;
par_round2: h_ordering 4, 0, 1, 2, 3; data_index 8; roll_shift 12;
par_round2: h_ordering 3, 4, 0, 1, 2; data_index 12; roll_shift 7;
par_round2: h_ordering 2, 3, 4, 0, 1; data_index 4; roll_shift 6;
par_round2: h_ordering 1, 2, 3, 4, 0; data_index 9; roll_shift 15;
par_round2: h_ordering 0, 1, 2, 3, 4; data_index 1; roll_shift 13;
par_round2: h_ordering 4, 0, 1, 2, 3; data_index 2; roll_shift 11;
par_round3: h_ordering 3, 4, 0, 1, 2; data_index 15; roll_shift 9;
par_round3: h_ordering 2, 3, 4, 0, 1; data_index 5; roll_shift 7;
par_round3: h_ordering 1, 2, 3, 4, 0; data_index 1; roll_shift 15;
par_round3: h_ordering 0, 1, 2, 3, 4; data_index 3; roll_shift 11;
par_round3: h_ordering 4, 0, 1, 2, 3; data_index 7; roll_shift 8;
par_round3: h_ordering 3, 4, 0, 1, 2; data_index 14; roll_shift 6;
par_round3: h_ordering 2, 3, 4, 0, 1; data_index 6; roll_shift 6;
par_round3: h_ordering 1, 2, 3, 4, 0; data_index 9; roll_shift 14;
par_round3: h_ordering 0, 1, 2, 3, 4; data_index 11; roll_shift 12;
par_round3: h_ordering 4, 0, 1, 2, 3; data_index 8; roll_shift 13;
par_round3: h_ordering 3, 4, 0, 1, 2; data_index 12; roll_shift 5;
par_round3: h_ordering 2, 3, 4, 0, 1; data_index 2; roll_shift 14;
par_round3: h_ordering 1, 2, 3, 4, 0; data_index 10; roll_shift 13;
par_round3: h_ordering 0, 1, 2, 3, 4; data_index 0; roll_shift 13;
par_round3: h_ordering 4, 0, 1, 2, 3; data_index 4; roll_shift 7;
par_round3: h_ordering 3, 4, 0, 1, 2; data_index 13; roll_shift 5;
par_round4: h_ordering 2, 3, 4, 0, 1; data_index 8; roll_shift 15;
par_round4: h_ordering 1, 2, 3, 4, 0; data_index 6; roll_shift 5;
par_round4: h_ordering 0, 1, 2, 3, 4; data_index 4; roll_shift 8;
par_round4: h_ordering 4, 0, 1, 2, 3; data_index 1; roll_shift 11;
par_round4: h_ordering 3, 4, 0, 1, 2; data_index 3; roll_shift 14;
par_round4: h_ordering 2, 3, 4, 0, 1; data_index 11; roll_shift 14;
par_round4: h_ordering 1, 2, 3, 4, 0; data_index 15; roll_shift 6;
par_round4: h_ordering 0, 1, 2, 3, 4; data_index 0; roll_shift 14;
par_round4: h_ordering 4, 0, 1, 2, 3; data_index 5; roll_shift 6;
par_round4: h_ordering 3, 4, 0, 1, 2; data_index 12; roll_shift 9;
par_round4: h_ordering 2, 3, 4, 0, 1; data_index 2; roll_shift 12;
par_round4: h_ordering 1, 2, 3, 4, 0; data_index 13; roll_shift 9;
par_round4: h_ordering 0, 1, 2, 3, 4; data_index 9; roll_shift 12;
par_round4: h_ordering 4, 0, 1, 2, 3; data_index 7; roll_shift 5;
par_round4: h_ordering 3, 4, 0, 1, 2; data_index 10; roll_shift 15;
par_round4: h_ordering 2, 3, 4, 0, 1; data_index 14; roll_shift 8;
par_round5: h_ordering 1, 2, 3, 4, 0; data_index 12; roll_shift 8;
par_round5: h_ordering 0, 1, 2, 3, 4; data_index 15; roll_shift 5;
par_round5: h_ordering 4, 0, 1, 2, 3; data_index 10; roll_shift 12;
par_round5: h_ordering 3, 4, 0, 1, 2; data_index 4; roll_shift 9;
par_round5: h_ordering 2, 3, 4, 0, 1; data_index 1; roll_shift 12;
par_round5: h_ordering 1, 2, 3, 4, 0; data_index 5; roll_shift 5;
par_round5: h_ordering 0, 1, 2, 3, 4; data_index 8; roll_shift 14;
par_round5: h_ordering 4, 0, 1, 2, 3; data_index 7; roll_shift 6;
par_round5: h_ordering 3, 4, 0, 1, 2; data_index 6; roll_shift 8;
par_round5: h_ordering 2, 3, 4, 0, 1; data_index 2; roll_shift 13;
par_round5: h_ordering 1, 2, 3, 4, 0; data_index 13; roll_shift 6;
par_round5: h_ordering 0, 1, 2, 3, 4; data_index 14; roll_shift 5;
par_round5: h_ordering 4, 0, 1, 2, 3; data_index 0; roll_shift 15;
par_round5: h_ordering 3, 4, 0, 1, 2; data_index 3; roll_shift 13;
par_round5: h_ordering 2, 3, 4, 0, 1; data_index 9; roll_shift 11;
par_round5: h_ordering 1, 2, 3, 4, 0; data_index 11; roll_shift 11;
);
}
}
#[cfg(test)]
mod tests {
#[test]
#[cfg(feature = "alloc")]
fn test() {
use std::convert::TryFrom;
use crate::{ripemd160, Hash, HashEngine};
#[derive(Clone)]
struct Test {
input: &'static str,
output: Vec<u8>,
output_str: &'static str,
}
#[rustfmt::skip]
let tests = vec![
Test {
input: "abc",
output: vec![
0x8e, 0xb2, 0x08, 0xf7,
0xe0, 0x5d, 0x98, 0x7a,
0x9b, 0x04, 0x4a, 0x8e,
0x98, 0xc6, 0xb0, 0x87,
0xf1, 0x5a, 0x0b, 0xfc,
],
output_str: "8eb208f7e05d987a9b044a8e98c6b087f15a0bfc"
},
Test {
input:
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
output: vec![
0x12, 0xa0, 0x53, 0x38,
0x4a, 0x9c, 0x0c, 0x88,
0xe4, 0x05, 0xa0, 0x6c,
0x27, 0xdc, 0xf4, 0x9a,
0xda, 0x62, 0xeb, 0x2b,
],
output_str: "12a053384a9c0c88e405a06c27dcf49ada62eb2b"
},
Test {
input: "The quick brown fox jumps over the lazy dog",
output: vec![
0x37, 0xf3, 0x32, 0xf6,
0x8d, 0xb7, 0x7b, 0xd9,
0xd7, 0xed, 0xd4, 0x96,
0x95, 0x71, 0xad, 0x67,
0x1c, 0xf9, 0xdd, 0x3b,
],
output_str: "37f332f68db77bd9d7edd4969571ad671cf9dd3b",
},
Test {
input: "The quick brown fox jumps over the lazy cog",
output: vec![
0x13, 0x20, 0x72, 0xdf,
0x69, 0x09, 0x33, 0x83,
0x5e, 0xb8, 0xb6, 0xad,
0x0b, 0x77, 0xe7, 0xb6,
0xf1, 0x4a, 0xca, 0xd7,
],
output_str: "132072df690933835eb8b6ad0b77e7b6f14acad7",
},
];
for mut test in tests {
let hash = ripemd160::Hash::hash(test.input.as_bytes());
assert_eq!(hash, test.output_str.parse::<ripemd160::Hash>().expect("parse hex"));
assert_eq!(&hash[..], &test.output[..]);
assert_eq!(&hash.to_string(), &test.output_str);
assert_eq!(
ripemd160::Hash::from_bytes_ref(
<&[u8; 20]>::try_from(&*test.output).expect("known length")
),
&hash
);
assert_eq!(
ripemd160::Hash::from_bytes_mut(
<&mut [u8; 20]>::try_from(&mut *test.output).expect("known length")
),
&hash
);
let mut engine = ripemd160::Hash::engine();
for ch in test.input.as_bytes() {
engine.input(&[*ch]);
}
let manual_hash = ripemd160::Hash::from_engine(engine);
assert_eq!(hash, manual_hash);
assert_eq!(hash.as_byte_array(), test.output.as_slice());
}
}
#[cfg(feature = "serde")]
#[test]
fn ripemd_serde() {
use serde_test::{assert_tokens, Configure, Token};
use crate::{ripemd160, Hash};
#[rustfmt::skip]
static HASH_BYTES: [u8; 20] = [
0x13, 0x20, 0x72, 0xdf,
0x69, 0x09, 0x33, 0x83,
0x5e, 0xb8, 0xb6, 0xad,
0x0b, 0x77, 0xe7, 0xb6,
0xf1, 0x4a, 0xca, 0xd7,
];
let hash = ripemd160::Hash::from_slice(&HASH_BYTES).expect("right number of bytes");
assert_tokens(&hash.compact(), &[Token::BorrowedBytes(&HASH_BYTES[..])]);
assert_tokens(&hash.readable(), &[Token::Str("132072df690933835eb8b6ad0b77e7b6f14acad7")]);
}
}
#[cfg(bench)]
mod benches {
use test::Bencher;
use crate::{ripemd160, Hash, HashEngine};
#[bench]
pub fn ripemd160_10(bh: &mut Bencher) {
let mut engine = ripemd160::Hash::engine();
let bytes = [1u8; 10];
bh.iter(|| {
engine.input(&bytes);
});
bh.bytes = bytes.len() as u64;
}
#[bench]
pub fn ripemd160_1k(bh: &mut Bencher) {
let mut engine = ripemd160::Hash::engine();
let bytes = [1u8; 1024];
bh.iter(|| {
engine.input(&bytes);
});
bh.bytes = bytes.len() as u64;
}
#[bench]
pub fn ripemd160_64k(bh: &mut Bencher) {
let mut engine = ripemd160::Hash::engine();
let bytes = [1u8; 65536];
bh.iter(|| {
engine.input(&bytes);
});
bh.bytes = bytes.len() as u64;
}
}