feat: add the crypto crate

Some common crypto utilities, signatures, verify, and hash functions for elliptic curve.

Cargo.toml

@@ -9,9 +9,10 @@ members = [
     "crates/accumulator",
     "crates/vlc",
     "crates/cops",
+    "crates/crypto",
     "demos/test_conflict",
     "demos/coll-tx",
-    "demos/vlc-dag"
+    "demos/vlc-dag",
 ]
 
 [profile.release]
@@ -37,4 +38,3 @@ tokio-util = "0.7.10"
 [lib]
 name = "chronos"
 path = "src/lib.rs"
-

crates/README.md

@@ -20,3 +20,6 @@ The crates folder of Chronos includes core functional code crates and utility li
 - The data store maintains a set of key-value pairs. 
 - It provides causal consistency to clients.
 
+## [crypto](./crypto/)
+
+- Some common crypto utilities, signatures, verify, and hash functions for elliptic curve.

crates/crypto/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "crypto"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+derive_more = "0.99.17"
+derive-where = "1.2.7"
+bincode = "1.3.3"
+serde = { version = "1.0.195", features = ["derive"] }
+schnorrkel = { version = "0.11.4", features = ["serde"] }
+secp256k1 = { version = "0.29.0", features = ["rand-std", "serde", "recovery"] }
+nix = { version = "0.28.0", features = ["socket", "sched", "resource"] }
+serde_json = "1.0.114"
+sha2 = "0.10.8"
+sha3 = "0.10.1"
+hex = "0.4.3"
+blake2 = "0.10.6"
+rand = "0.8.5"
+primitive-types = { version = "0.12.2", features = ["serde"] }
+anyhow = { version = "1.0.79", features = ["backtrace"] }