diff --git a/__crypto/password-hash/Cargo.lock b/__crypto/password-hash/Cargo.lock
new file mode 100644
index 0000000..5b7484d
--- /dev/null
+++ b/__crypto/password-hash/Cargo.lock
@@ -0,0 +1,23 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "base64ct"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22fb38fd6e62e4ceec8543db40ceb714454ff173451a0f2a6c8952fdf39a2d6c"
+
+[[package]]
+name = "password-hash"
+version = "0.1.0"
+dependencies = [
+ "password-hash 0.1.1",
+]
+
+[[package]]
+name = "password-hash"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "721a49e14f1803441886c688ba8b653b52e1dcc926969081d22384e300ea4106"
+dependencies = [
+ "base64ct",
+]
diff --git a/__crypto/password-hash/Cargo.toml b/__crypto/password-hash/Cargo.toml
new file mode 100644
index 0000000..06ae53c
--- /dev/null
+++ b/__crypto/password-hash/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "password-hash"
+version = "0.1.0"
+authors = ["Hatter Jiang@Pixelbook <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+password-hash = "0.1"
\ No newline at end of file
diff --git a/__crypto/password-hash/README.md b/__crypto/password-hash/README.md
new file mode 100644
index 0000000..7915ec6
--- /dev/null
+++ b/__crypto/password-hash/README.md
@@ -0,0 +1,3 @@
+
+
+I really DO NOT how to use this crate
diff --git a/__crypto/password-hash/src/main.rs b/__crypto/password-hash/src/main.rs
new file mode 100644
index 0000000..b6aabbf
--- /dev/null
+++ b/__crypto/password-hash/src/main.rs
@@ -0,0 +1,20 @@
+use password_hash::{PasswordHash, ParamsString, Salt, Ident};
+
+
+
+fn main() {
+    let ph = PasswordHash{
+        algorithm: Ident::new("argon2d"),
+        version:None,
+        params:ParamsString::new(),
+        salt:Some(Salt::new("sample").unwrap()),
+        hash:None,
+    };
+    PasswordHash::generate()
+    let bs = "hello world".as_bytes();
+    let bs_len = ph.encoding().encoded_len(bs);
+    let mut output = vec![0u8; bs_len];
+    let r = ph.encoding().encode("hello world".as_bytes(), &mut output);
+    println!("P: {:?}", r);
+    println!("P: {:?}", output);
+}