diff --git a/pwhash/Cargo.lock b/pwhash/Cargo.lock
new file mode 100644
index 0000000..8af837d
--- /dev/null
+++ b/pwhash/Cargo.lock
@@ -0,0 +1,246 @@
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+# It is not intended for manual editing.
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diff --git a/pwhash/Cargo.toml b/pwhash/Cargo.toml
new file mode 100644
index 0000000..e813343
--- /dev/null
+++ b/pwhash/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "pwhash"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+pwhash = "0.3"
+
+
diff --git a/pwhash/src/main.rs b/pwhash/src/main.rs
new file mode 100644
index 0000000..01defff
--- /dev/null
+++ b/pwhash/src/main.rs
@@ -0,0 +1,11 @@
+use pwhash::bcrypt;
+
+fn main() {
+    // Hash a password with default parameters.
+    let h_new = bcrypt::hash("password").unwrap();
+
+    // Verify a password against an existing hash.
+    let h = "$2y$05$bvIG6Nmid91Mu9RcmmWZfO\
+         5HJIMCT8riNW0hEp8f6/FuA2/mHZFpe";
+    assert!(bcrypt::verify("password", h));
+}