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extract out all primitives

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Robert Habermeier
2018-02-01 11:13:55 +01:00
parent a3b9c2af7d
commit 188332cc4b
17 changed files with 386 additions and 87 deletions
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substrate/primitives/src/hashing.rs
+4 -4
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@@ -57,7 +57,7 @@ pub fn blake2_128(data: &[u8]) -> [u8; 16] {
/// Do a XX 128-bit hash and place result in `dest`.
pub fn twox_128_into(data: &[u8], dest: &mut [u8; 16]) {
use ::std::hash::Hasher;
use ::core::hash::Hasher;
let mut h0 = twox_hash::XxHash::with_seed(0);
let mut h1 = twox_hash::XxHash::with_seed(1);
h0.write(data);
@@ -71,14 +71,14 @@ pub fn twox_128_into(data: &[u8], dest: &mut [u8; 16]) {
/// Do a XX 128-bit hash and return result.
pub fn twox_128(data: &[u8]) -> [u8; 16] {
let mut r: [u8; 16] = unsafe { ::std::mem::uninitialized() };
let mut r: [u8; 16] = [0; 16];
twox_128_into(data, &mut r);
r
}
/// Do a XX 256-bit hash and place result in `dest`.
pub fn twox_256_into(data: &[u8], dest: &mut [u8; 32]) {
use ::std::hash::Hasher;
use ::core::hash::Hasher;
use byteorder::{ByteOrder, LittleEndian};
let mut h0 = twox_hash::XxHash::with_seed(0);
let mut h1 = twox_hash::XxHash::with_seed(1);
@@ -100,7 +100,7 @@ pub fn twox_256_into(data: &[u8], dest: &mut [u8; 32]) {
/// Do a XX 256-bit hash and return result.
pub fn twox_256(data: &[u8]) -> [u8; 32] {
let mut r: [u8; 32] = unsafe { ::std::mem::uninitialized() };
let mut r: [u8; 32] = [0; 32];
twox_256_into(data, &mut r);
r
}