Feat: add vault module

vault/Cargo.toml

@@ -8,8 +8,31 @@ path = "src/lib.rs"
 
 [dependencies]
 kvstore = { path = "../kvstore" }
+scrypt = "0.11"
+sha2 = "0.10"
+aes-gcm = "0.10"
+pbkdf2 = "0.12"
+signature = "2.2"
 async-trait = "0.1"
 chacha20poly1305 = "0.10"
-k256 = "0.13"
+k256 = { version = "0.13", features = ["ecdsa"] }
+ed25519-dalek = "2.1"
 rand_core = "0.6"
 thiserror = "1"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1.0"
+hex = "0.4"
+
+[dev-dependencies]
+console_error_panic_hook = "0.1"
+tokio = { version = "1.0", features = ["rt", "macros"] }
+async-std = { version = "1", features = ["attributes"] }
+wasm-bindgen-test = "0.3"
+chrono = "0.4"
+
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+getrandom = { version = "0.2", features = ["js"] }
+wasm-bindgen = "0.2"
+js-sys = "0.3"
+console_error_panic_hook = "0.1"
+