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Introduce better hashing.

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- Blake2 for secure hashing
- XX for fast hashing
This commit is contained in:
Gav
2018-01-19 14:17:56 +01:00
parent 748ee54870
commit c29313c618
24 changed files with 307 additions and 98 deletions
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substrate/executor/src/wasm_executor.rs
+56 -10
View File
@@ -26,8 +26,7 @@ use state_machine::{Externalities, CodeExecutor};
use error::{Error, ErrorKind, Result};
use wasm_utils::{MemoryInstance, UserDefinedElements,
AddModuleWithoutFullDependentInstance};
use tiny_keccak;
use primitives::ed25519;
use primitives::{ed25519, blake2_256, twox_128, twox_256};
struct Heap {
end: u32,
@@ -141,10 +140,28 @@ impl_function_executor!(this: FunctionExecutor<'e, E>,
ext_chain_id() -> u64 => {
this.ext.chain_id()
},
ext_keccak256(data: *const u8, len: u32, out: *mut u8) => {
ext_twox_128(data: *const u8, len: u32, out: *mut u8) => {
let result =
if let Ok(value) = this.memory.get(data, len as usize) {
tiny_keccak::keccak256(&value)
twox_128(&value)
} else {
[0; 16]
};
let _ = this.memory.set(out, &result);
},
ext_twox_256(data: *const u8, len: u32, out: *mut u8) => {
let result =
if let Ok(value) = this.memory.get(data, len as usize) {
twox_256(&value)
} else {
[0; 32]
};
let _ = this.memory.set(out, &result);
},
ext_blake2_256(data: *const u8, len: u32, out: *mut u8) => {
let result =
if let Ok(value) = this.memory.get(data, len as usize) {
blake2_256(&value)
} else {
[0; 32]
};
@@ -223,6 +240,7 @@ mod tests {
use super::*;
use rustc_hex::FromHex;
use primitives::ed25519::hexdisplay::HexDisplay;
#[derive(Debug, Default)]
struct TestExternalities {
@@ -261,16 +279,44 @@ mod tests {
}
#[test]
fn keccak256_should_work() {
fn blake2_256_should_work() {
let mut ext = TestExternalities::default();
let test_code = include_bytes!("../../wasm-runtime/target/wasm32-unknown-unknown/release/runtime_test.compact.wasm");
assert_eq!(
WasmExecutor.call(&mut ext, &test_code[..], "test_keccak256", &CallData(b"".to_vec())).unwrap(),
FromHex::from_hex("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470").unwrap()
WasmExecutor.call(&mut ext, &test_code[..], "test_blake2_256", &CallData(b"".to_vec())).unwrap(),
FromHex::from_hex("0e5751c026e543b2e8ab2eb06099daa1d1e5df47778f7787faab45cdf12fe3a8").unwrap()
);
assert_eq!(
WasmExecutor.call(&mut ext, &test_code[..], "test_keccak256", &CallData(b"Hello world!".to_vec())).unwrap(),
FromHex::from_hex("ecd0e108a98e192af1d2c25055f4e3bed784b5c877204e73219a5203251feaab").unwrap()
WasmExecutor.call(&mut ext, &test_code[..], "test_blake2_256", &CallData(b"Hello world!".to_vec())).unwrap(),
FromHex::from_hex("3fbc092db9350757e2ab4f7ee9792bfcd2f5220ada5a4bc684487f60c6034369").unwrap()
);
}
#[test]
fn twox_256_should_work() {
let mut ext = TestExternalities::default();
let test_code = include_bytes!("../../wasm-runtime/target/wasm32-unknown-unknown/release/runtime_test.compact.wasm");
assert_eq!(
WasmExecutor.call(&mut ext, &test_code[..], "test_twox_256", &CallData(b"".to_vec())).unwrap(),
FromHex::from_hex("99e9d85137db46ef4bbea33613baafd56f963c64b1f3685a4eb4abd67ff6203a").unwrap()
);
assert_eq!(
WasmExecutor.call(&mut ext, &test_code[..], "test_twox_256", &CallData(b"Hello world!".to_vec())).unwrap(),
FromHex::from_hex("b27dfd7f223f177f2a13647b533599af0c07f68bda23d96d059da2b451a35a74").unwrap()
);
}
#[test]
fn twox_128_should_work() {
let mut ext = TestExternalities::default();
let test_code = include_bytes!("../../wasm-runtime/target/wasm32-unknown-unknown/release/runtime_test.compact.wasm");
assert_eq!(
WasmExecutor.call(&mut ext, &test_code[..], "test_twox_128", &CallData(b"".to_vec())).unwrap(),
FromHex::from_hex("99e9d85137db46ef4bbea33613baafd5").unwrap()
);
assert_eq!(
WasmExecutor.call(&mut ext, &test_code[..], "test_twox_128", &CallData(b"Hello world!".to_vec())).unwrap(),
FromHex::from_hex("b27dfd7f223f177f2a13647b533599af").unwrap()
);
}
@@ -278,7 +324,7 @@ mod tests {
fn ed25519_verify_should_work() {
let mut ext = TestExternalities::default();
let test_code = include_bytes!("../../wasm-runtime/target/wasm32-unknown-unknown/release/runtime_test.compact.wasm");
let key = ed25519::Pair::from_seed(&tiny_keccak::keccak256(b"test"));
let key = ed25519::Pair::from_seed(&blake2_256(b"test"));
let sig = key.sign(b"all ok!");
let mut calldata = vec![];
calldata.extend_from_slice(key.public().as_ref());