Added GOST94

This commit is contained in:
Артём Павлов [Artyom Pavlov]
2016-11-17 22:05:43 +03:00
parent ba3383dd40
commit d9f02c0eb3
51 changed files with 802 additions and 0 deletions

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@@ -16,6 +16,7 @@ as the Rust compiler.
## Supported algorithms
* [BLAKE2](https://en.wikipedia.org/wiki/BLAKE_(hash_function)#BLAKE2)
* [GOST94](https://en.wikipedia.org/wiki/GOST_(hash_function)) (GOST R 34.11-94)
* [MD4](https://en.wikipedia.org/wiki/MD4)
* [MD5](https://en.wikipedia.org/wiki/MD5)
* [SHA-1](https://en.wikipedia.org/wiki/SHA-1)

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gost94/Cargo.toml Normal file
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[package]
name = "gost94"
version = "0.1.0"
authors = ["The Rust-Crypto Project Developers"]
license = "MIT/Apache-2.0"
description = "GOST R 34.11-94 hash function"
documentation = "https://docs.rs/gost94"
repository = "https://github.com/RustCrypto/hashes"
keywords = ["crypto", "gost94", "gost", "hash", "digest"]
[dependencies]
digest-buffer = "0.1"
byte-tools = "0.1"
generic-array = "0.5"
digest = "0.3"
[dev-dependencies]
crypto-tests = "0.2"

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gost94/LICENSE-APACHE Normal file
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25
gost94/LICENSE-MIT Normal file
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@@ -0,0 +1,25 @@
Copyright (c) 2016 Artyom Pavlov
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DEALINGS IN THE SOFTWARE.

7
gost94/benches/lib.rs Normal file
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#![no_std]
#![feature(test)]
#[macro_use]
extern crate crypto_tests;
extern crate gost94;
bench_digest!(gost94::Gost94Test);

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extern crate gost94;
use gost94::{Gost94CryptoPro, Digest};
use std::env;
use std::fs;
use std::io::{self, Read};
const BUFFER_SIZE: usize = 1024;
/// Print digest result as hex string and name pair
fn print_result(sum: &[u8], name: &str) {
for byte in sum {
print!("{:02x}", byte);
}
println!("\t{}", name);
}
/// Compute digest value for given `Reader` and print it
/// On any error simply return without doing anything
fn process<D: Digest + Default, R: Read>(reader: &mut R, name: &str) {
let mut sh = D::default();
let mut buffer = [0u8; BUFFER_SIZE];
loop {
let n = match reader.read(&mut buffer) {
Ok(n) => n,
Err(_) => return,
};
sh.input(&buffer[..n]);
if n == 0 || n < BUFFER_SIZE {
break;
}
}
print_result(&sh.result(), name);
}
fn main() {
let args = env::args();
// Process files listed in command line arguments one by one
// If no files provided process input from stdin
if args.len() > 1 {
for path in args.skip(1) {
if let Ok(mut file) = fs::File::open(&path) {
process::<Gost94CryptoPro, _>(&mut file, &path);
}
}
} else {
process::<Gost94CryptoPro, _>(&mut io::stdin(), "-");
}
}

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extern crate gost94;
use gost94::{Gost94Test, Digest};
use std::env;
use std::fs;
use std::io::{self, Read};
const BUFFER_SIZE: usize = 1024;
/// Print digest result as hex string and name pair
fn print_result(sum: &[u8], name: &str) {
for byte in sum {
print!("{:02x}", byte);
}
println!("\t{}", name);
}
/// Compute digest value for given `Reader` and print it
/// On any error simply return without doing anything
fn process<D: Digest + Default, R: Read>(reader: &mut R, name: &str) {
let mut sh = D::default();
let mut buffer = [0u8; BUFFER_SIZE];
loop {
let n = match reader.read(&mut buffer) {
Ok(n) => n,
Err(_) => return,
};
sh.input(&buffer[..n]);
if n == 0 || n < BUFFER_SIZE {
break;
}
}
print_result(&sh.result(), name);
}
fn main() {
let args = env::args();
// Process files listed in command line arguments one by one
// If no files provided process input from stdin
if args.len() > 1 {
for path in args.skip(1) {
if let Ok(mut file) = fs::File::open(&path) {
process::<Gost94Test, _>(&mut file, &path);
}
}
} else {
process::<Gost94Test, _>(&mut io::stdin(), "-");
}
}

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use gost94::{Gost94, SBox, BLOCK_SIZE};
use generic_array::typenum::U32;
use digest::Digest;
use generic_array::GenericArray;
const S_CRYPTO_PRO: SBox = [
[10, 4, 5, 6, 8, 1, 3, 7, 13, 12, 14, 0, 9, 2, 11, 15],
[5, 15, 4, 0, 2, 13, 11, 9, 1, 7, 6, 3, 12, 14, 10, 8],
[7, 15, 12, 14, 9, 4, 1, 0, 3, 11, 5, 2, 6, 10, 8, 13],
[4, 10, 7, 12, 0, 15, 2, 8, 14, 1, 6, 5, 13, 11, 9, 3],
[7, 6, 4, 11, 9, 12, 2, 10, 1, 8, 0, 14, 15, 13, 3, 5],
[7, 6, 2, 4, 13, 9, 15, 0, 10, 1, 5, 11, 8, 14, 12, 3],
[13, 14, 4, 1, 7, 0, 5, 10, 3, 12, 8, 15, 6, 2, 9, 11],
[1, 3, 10, 9, 5, 11, 4, 15, 8, 6, 7, 14, 13, 0, 2, 12],
];
#[derive(Clone, Copy)]
pub struct Gost94CryptoPro {
sh: Gost94
}
impl Gost94CryptoPro {
pub fn new() -> Self {
Self{sh: Gost94::new(S_CRYPTO_PRO, [0; BLOCK_SIZE])}
}
}
impl Default for Gost94CryptoPro {
fn default() -> Self {
Self::new()
}
}
impl Digest for Gost94CryptoPro {
type OutputSize = U32;
type BlockSize = U32;
fn input(&mut self, input: &[u8]) {
self.sh.input(input);
}
fn result(self) -> GenericArray<u8, Self::OutputSize> {
self.sh.result()
}
}

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use digest::Digest;
use digest_buffer::DigestBuffer;
use generic_array::GenericArray;
use generic_array::typenum::U32;
use byte_tools::{read_u32v_le, read_u32_le, write_u32v_le, copy_memory};
pub const BLOCK_SIZE: usize = 32;
const C:Block = [0, 255, 0, 255, 0, 255, 0, 255, 255, 0, 255, 0, 255, 0,
255, 0, 0, 255, 255, 0, 255, 0, 0, 255, 255, 0, 0, 0, 255, 255, 0, 255];
pub type SBox = [[u8; 16]; 8];
type Block = [u8; 32];
fn sbox(a: u32, s: &SBox) -> u32 {
let mut v = 0;
for i in 0..8 {
let shft = 4*i;
let k = ((a & (0b1111u32 << shft) ) >> shft) as usize;
v += (s[i][k] as u32) << shft;
}
v
}
fn g(a: u32, k: u32, s: &SBox) -> u32 {
sbox(a.wrapping_add(k), s).rotate_left(11)
}
fn encrypt(msg: &mut [u8], key: Block, sbox: &SBox) {
let mut k = [0u32; 8];
let mut a = read_u32_le(&msg[0..4]);
let mut b = read_u32_le(&msg[4..8]);
read_u32v_le(&mut k, &key);
for _ in 0..3 {
for i in 0..8 {
let t = b ^ g(a, k[i], sbox);
b = a;
a = t;
}
}
for i in (0..8).rev() {
let t = b ^ g(a, k[i], sbox);
b = a;
a = t;
}
write_u32v_le(msg, &[b, a]);
}
fn x(a: &Block, b: &Block) -> Block {
let mut out = [0; 32];
for i in 0..32 {
out[i] = a[i]^b[i];
}
out
}
fn x_mut(a: &mut Block, b: &Block) {
for i in 0..32 {
a[i] ^= b[i];
}
}
fn a(x: Block) -> Block {
let mut out = [0; 32];
for i in 0..24 {
out[i] = x[i+8];
}
for i in 0..8 {
out[24+i] = x[i]^x[i+8];
}
out
}
fn p(y: Block) -> Block {
let mut out = [0; 32];
for i in 0..4 {
for k in 0..8 {
out[i+4*k] = y[8*i+k];
}
}
out
}
fn psi(block: &mut Block) {
let mut out = [0u8; 32];
copy_memory(&block[2..], &mut out[..30]);
copy_memory(&block[..2], &mut out[30..]);
for i in [1usize, 2, 3, 12, 15].iter() {
out[30] ^= block[2*i];
out[31] ^= block[2*i+1];
}
copy_memory(&out, block);
}
#[derive(Clone, Copy)]
struct Gost94State {
s: SBox,
h: Block,
n: Block,
sigma: Block,
}
impl Gost94State {
fn shuffle(&mut self, m: &Block, s: &Block) {
let mut res = [0u8; 32];
copy_memory(s, &mut res);
for _ in 0..12 {
psi(&mut res);
}
x_mut(&mut res, m);
psi(&mut res);
x_mut(&mut self.h, &res);
for _ in 0..61 {
psi(&mut self.h);
}
}
fn f(&mut self, m: &Block) {
let mut s = [0u8; 32];
copy_memory(&self.h, &mut s);
let k = p(x(&self.h, m));
encrypt(&mut s[0..8], k, &self.s);
let u = a(self.h);
let v = a(a(*m));
let k = p(x(&u, &v));
encrypt(&mut s[8..16], k, &self.s);
let mut u = a(u);
x_mut(&mut u, &C);
let v = a(a(v));
let k = p(x(&u, &v));
encrypt(&mut s[16..24], k, &self.s);
let u = a(u);
let v = a(a(v));
let k = p(x(&u, &v));
encrypt(&mut s[24..32], k, &self.s);
self.shuffle(m, &s);
}
fn update_sigma(&mut self, m: &[u8]) {
let mut over = 0u16;
for (a, b) in self.sigma.iter_mut().zip(m.iter()) {
let res = (*a as u16) + (*b as u16) + over;
*a = (res & 0xff) as u8;
over = res >> 8;
}
}
fn update_n(&mut self, m_len: u8) {
let res = (self.n[0] as u16) + ((m_len as u16) << 3);
self.n[0] = (res & 0xff) as u8;
let mut over = res >> 8;
for a in self.n.iter_mut().skip(1) {
let res = (*a as u16) + over;
*a = (res & 0xff) as u8;
over = res >> 8;
if over == 0 { return; }
}
}
fn process_block(&mut self, block: &[u8], msg_len: u8) {
let mut buf = [0u8; 32];
copy_memory(block, &mut buf);
self.f(&buf);
self.update_n(msg_len);
self.update_sigma(block);
}
}
#[derive(Clone, Copy)]
pub struct Gost94 {
buffer: DigestBuffer<U32>,
state: Gost94State,
}
impl Gost94 {
pub fn new(s: SBox, h: Block) -> Self {
Gost94{
buffer: Default::default(),
state: Gost94State{
s: s,
h: h,
n: [0; BLOCK_SIZE],
sigma: [0; BLOCK_SIZE],
}
}
}
}
impl Digest for Gost94 {
type OutputSize = U32;
type BlockSize = U32;
fn input(&mut self, input: &[u8]) {
let self_state = &mut self.state;
self.buffer.input(input, |d: &[u8]| {
self_state.process_block(d, 32);
});
}
fn result(mut self) -> GenericArray<u8, Self::OutputSize> {
let self_state = &mut self.state;
let buf = self.buffer.current_buffer();
if buf.len() != 0 {
let mut block = [0u8; BLOCK_SIZE];
copy_memory(&buf, &mut block[..buf.len()]);
self_state.process_block(&block, buf.len() as u8);
}
let n = self_state.n;
self_state.f(&n);
let sigma = self_state.sigma;
self_state.f(&sigma);
let mut out = GenericArray::new();
copy_memory(&self_state.h, &mut out);
out
}
}

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#![no_std]
extern crate byte_tools;
extern crate digest_buffer;
extern crate generic_array;
extern crate digest;
mod gost94;
mod s2015;
mod cryptopro;
mod test_param;
pub use digest::Digest;
pub use gost94::Gost94;
pub use s2015::Gost94s2015;
pub use cryptopro::Gost94CryptoPro;
pub use test_param::Gost94Test;

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gost94/src/s2015.rs Normal file
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use gost94::{Gost94, SBox, BLOCK_SIZE};
use generic_array::typenum::U32;
use digest::Digest;
use generic_array::GenericArray;
const S2015: SBox = [
[12, 4, 6, 2, 10, 5, 11, 9, 14, 8, 13, 7, 0, 3, 15, 1],
[6, 8, 2, 3, 9, 10, 5, 12, 1, 14, 4, 7, 11, 13, 0, 15],
[11, 3, 5, 8, 2, 15, 10, 13, 14, 1, 7, 4, 12, 9, 6, 0],
[12, 8, 2, 1, 13, 4, 15, 6, 7, 0, 10, 5, 3, 14, 9, 11],
[7, 15, 5, 10, 8, 1, 6, 13, 0, 9, 3, 14, 11, 4, 2, 12],
[5, 13, 15, 6, 9, 2, 12, 10, 11, 7, 8, 1, 4, 3, 14, 0],
[8, 14, 2, 5, 6, 9, 1, 12, 15, 4, 11, 0, 13, 10, 3, 7],
[1, 7, 14, 13, 0, 5, 8, 3, 4, 15, 10, 6, 9, 12, 11, 2],
];
#[derive(Clone, Copy)]
pub struct Gost94s2015 {
sh: Gost94
}
impl Gost94s2015 {
pub fn new() -> Self {
Self{sh: Gost94::new(S2015, [0; BLOCK_SIZE])}
}
}
impl Default for Gost94s2015 {
fn default() -> Self {
Self::new()
}
}
impl Digest for Gost94s2015 {
type OutputSize = U32;
type BlockSize = U32;
fn input(&mut self, input: &[u8]) {
self.sh.input(input);
}
fn result(self) -> GenericArray<u8, Self::OutputSize> {
self.sh.result()
}
}

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use gost94::{Gost94, SBox, BLOCK_SIZE};
use generic_array::typenum::U32;
use digest::Digest;
use generic_array::GenericArray;
const S_TEST: SBox = [
[4,10,9,2,13,8,0,14,6,11,1,12,7,15,5,3],
[14,11,4,12,6,13,15,10,2,3,8,1,0,7,5,9],
[5,8,1,13,10,3,4,2,14,15,12,7,6,0,9,11],
[7,13,10,1,0,8,9,15,14,4,6,12,11,2,5,3],
[6,12,7,1,5,15,13,8,4,10,9,14,0,3,11,2],
[4,11,10,0,7,2,1,13,3,6,8,5,9,12,15,14],
[13,11,4,1,3,15,5,9,0,10,14,7,6,8,2,12],
[1,15,13,0,5,7,10,4,9,2,3,14,6,11,8,12],
];
#[derive(Clone, Copy)]
pub struct Gost94Test {
sh: Gost94
}
impl Gost94Test {
pub fn new() -> Self {
Self{sh: Gost94::new(S_TEST, [0; BLOCK_SIZE])}
}
}
impl Default for Gost94Test {
fn default() -> Self {
Self::new()
}
}
impl Digest for Gost94Test {
type OutputSize = U32;
type BlockSize = U32;
fn input(&mut self, input: &[u8]) {
self.sh.input(input);
}
fn result(self) -> GenericArray<u8, Self::OutputSize> {
self.sh.result()
}
}

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<EFBFBD>_<Ł <>„űC>¬VśXJÄ<4A>#LÖVŔ

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a

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abc

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╡┘в9-vw6∙$щttYМ│C≥~;)├Ы/т,

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message digest

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¼`AÝ*¤ëún˜†sAtþ½´rš©rÖTšÃ)r 

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UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU

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JÇaF»ô'ú#!kèñ

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The quick brown fox jumps over the lazy dog

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<EFBFBD>)J6PŚXoĺ=tgeçvTrxnGpŐe<C590>
v

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The quick brown fox jumps over the lazy cog

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╘1$У©,m┐ц╩В"╪UV⌠$\╔∙uAТшвъ╞│7ФР

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This is message, length=32 bytes

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,ïÂ÷·½ÅᎥ§OóWçúÖRÇ_iËç‰>ÞHë

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Suppose the original message has length = 50 bytes

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Ãs \¼ÊÏgo!è½N÷S1Ù@^_aÜ10¦P

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†“(z¦/”x÷Ë1.À†klNJAèôÿÍ'ÝUO

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Î…ąśÄgR˙ţă\«š{´ÂŇ\˙hZô,IIŤ

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a

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Ô,Sž6|féÈŠ€fI4œ!‡CDÆ¥søIýÎbóÝ

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abc

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óCHÄO±²¢wrž"…ëµË^)Éu¼u;pI|¤Õ

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message digest

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­D4ì±<EFBFBD>,™¶ ¾Yì=$iX+e'?HÞrÛ/Þ¤ˆšM

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UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU

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S££ν% ο  t'>U%f
*RΩ&©θώW3¤

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The quick brown fox jumps over the lazy dog

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w·úA šÅŠ%ô›Ê}hÉ)e)1^¬§kÑ¡7mB”

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@@ -0,0 +1 @@
The quick brown fox jumps over the lazy cog

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@@ -0,0 +1 @@
<EFBFBD><EFBFBD><EFBFBD>ڪ<EFBFBD><EFBFBD> <0B>1ڵszg<7F>g

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This is message, length=32 bytes

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±ÄfÓu¸<19>Ÿó%•àG¢Œ¶ø>ÿi¨¦7ÿú

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Suppose the original message has length = 50 bytes

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GşW¦
w

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33
gost94/tests/lib.rs Normal file
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#![no_std]
#[macro_use]
extern crate crypto_tests;
extern crate gost94;
use crypto_tests::hash::{Test, main_test, one_million_a};
#[test]
fn gost94_test_main() {
let tests = new_tests!("test/1", "test/2", "test/3", "test/4", "test/5",
"test/6", "test/7", "test/8", "test/9");
main_test::<gost94::Gost94Test>(&tests);
}
#[test]
fn gost94_cryptopro_main() {
let tests = new_tests!("cryptopro/1", "cryptopro/2", "cryptopro/3",
"cryptopro/4", "cryptopro/5", "cryptopro/6",
"cryptopro/7", "cryptopro/8", "cryptopro/9");
main_test::<gost94::Gost94CryptoPro>(&tests);
}
#[test]
fn gost94_test_1million_a() {
let output = include_bytes!("data/test/one_million_a.output.bin");
one_million_a::<gost94::Gost94Test>(output);
}
#[test]
fn gost94_cryptopro_1million_a() {
let output = include_bytes!("data/cryptopro/one_million_a.output.bin");
one_million_a::<gost94::Gost94CryptoPro>(output);
}