update tiny-keccak (#4093)

* update tiny-keccak

* fix

* Update Cargo.toml

* update Cargo.lock

* remove keccak-hasher

substrate/core/executor/Cargo.toml

@@ -21,8 +21,7 @@ runtime-interface = { package = "substrate-runtime-interface", path = "../runtim
 externalities = { package = "substrate-externalities", path = "../externalities" }
 parking_lot = "0.9.0"
 log = "0.4.8"
-libsecp256k1 = "0.3.0"
-tiny-keccak = "1.5.0"
+libsecp256k1 = "0.3.2"
 
 cranelift-codegen = { version = "0.46.1", optional = true }
 cranelift-entity = { version = "0.46.1", optional = true }

substrate/core/executor/src/deprecated_host_interface.rs

@@ -19,7 +19,7 @@
 use codec::Encode;
 use std::{convert::TryFrom, str};
 use primitives::{
-	blake2_128, blake2_256, twox_64, twox_128, twox_256, ed25519, sr25519, Blake2Hasher, Pair,
+	blake2_128, blake2_256, twox_64, twox_128, twox_256, ed25519, sr25519, keccak_256, Blake2Hasher, Pair,
 	crypto::KeyTypeId, offchain,
 };
 use trie::{TrieConfiguration, trie_types::Layout};
@@ -538,11 +538,11 @@ impl_wasm_host_interface! {
 
 		ext_keccak_256(data: Pointer<u8>, len: WordSize, out: Pointer<u8>) {
 			let result: [u8; 32] = if len == 0 {
-				tiny_keccak::keccak256(&[0u8; 0])
+				keccak_256(&[0u8; 0])
 			} else {
 				let mem = context.read_memory(data, len)
 					.map_err(|_| "Invalid attempt to get data in ext_keccak_256")?;
-				tiny_keccak::keccak256(&mem)
+				keccak_256(&mem)
 			};
 			context.write_memory(out, &result)
 				.map_err(|_| "Invalid attempt to set result in ext_keccak_256")?;

substrate/core/primitives/Cargo.toml

@@ -32,7 +32,7 @@ zeroize = { version = "0.10.1", default-features = false }
 lazy_static = { version = "1.4.0", default-features = false, optional = true }
 parking_lot = { version = "0.9.0", optional = true }
 libsecp256k1 = { version = "0.3.0", default-features = false, optional = true }
-tiny-keccak = { version = "1.5.0", optional = true }
+tiny-keccak = { version = "2.0.1", features = ["keccak"], optional = true }
 substrate-debug-derive = { version = "2.0.0", path = "./debug-derive" }
 externalities = { package = "substrate-externalities", path = "../externalities", optional = true }
 primitives-storage = { package = "substrate-primitives-storage", path = "storage", default-features = false }
@@ -100,6 +100,7 @@ std = [
 full_crypto = [
 	"ed25519-dalek",
 	"blake2-rfc",
+	"tiny-keccak",
 	"schnorrkel",
 	"libsecp256k1",
 	"hex",

substrate/core/primitives/src/hashing.rs

@@ -17,6 +17,7 @@
 //! Hashing functions.
 
 use blake2_rfc;
+use tiny_keccak::{Hasher, Keccak};
 use twox_hash;
 
 /// Do a Blake2 512-bit hash and place result in `dest`.
@@ -121,3 +122,12 @@ pub fn twox_256(data: &[u8]) -> [u8; 32] {
 	twox_256_into(data, &mut r);
 	r
 }
+
+/// Do a keccak 256 hash and return result.
+pub fn keccak_256(data: &[u8]) -> [u8; 32] {
+	let mut keccak = Keccak::v256();
+	keccak.update(data);
+	let mut output = [0u8; 32];
+	keccak.finalize(&mut output);
+	output
+}

substrate/core/primitives/src/lib.rs

@@ -50,7 +50,7 @@ pub use impl_serde::serialize as bytes;
 #[cfg(feature = "full_crypto")]
 pub mod hashing;
 #[cfg(feature = "full_crypto")]
-pub use hashing::{blake2_128, blake2_256, twox_64, twox_128, twox_256};
+pub use hashing::{blake2_128, blake2_256, twox_64, twox_128, twox_256, keccak_256};
 #[cfg(feature = "std")]
 pub mod hexdisplay;
 pub mod crypto;

substrate/core/sr-io/Cargo.toml

@@ -10,7 +10,6 @@ hash-db = { version = "0.15.2", default-features = false }
 primitives = { package = "substrate-primitives", path = "../primitives", default-features = false }
 rstd = { package = "sr-std", path = "../sr-std", default-features = false }
 libsecp256k1 = { version = "0.3.0", optional = true }
-tiny-keccak = { version = "1.5.0", optional = true }
 substrate-state-machine = { path = "../state-machine", optional = true }
 runtime-interface = { package = "substrate-runtime-interface", path = "../runtime-interface", default-features = false }
 trie = { package = "substrate-trie", path = "../trie", optional = true }
@@ -27,7 +26,6 @@ std = [
 	"trie",
 	"substrate-state-machine",
 	"libsecp256k1",
-	"tiny-keccak",
 	"runtime-interface/std",
 	"externalities",
 	"log",

substrate/core/sr-io/src/lib.rs

@@ -376,7 +376,7 @@ pub trait Crypto {
 pub trait Hashing {
 	/// Conduct a 256-bit Keccak hash.
 	fn keccak_256(data: &[u8]) -> [u8; 32] {
-		tiny_keccak::keccak256(data)
+		primitives::hashing::keccak_256(data)
 	}
 
 	/// Conduct a 128-bit Blake2 hash.

substrate/core/trie/Cargo.toml

@@ -23,7 +23,6 @@ primitives = { package = "substrate-primitives",  path = "../primitives", defaul
 [dev-dependencies]
 trie-bench = "0.16.2"
 trie-standardmap = "0.15.2"
-keccak-hasher = "0.15.2"
 criterion = "0.2.11"
 hex-literal = "0.2.1"