diff --git a/.gitignore b/.gitignore
index bb487ee..6eee057 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,9 +4,8 @@
 debug/
 target/
 
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-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
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new file mode 100644
index 0000000..e4fb675
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+checksum = "55cd1f4b4e96b46aeb8d4855db4a7a9bd96eeeb5c6a1ab54593328761642ce2f"
+
+[[package]]
+name = "vec_map"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
+
+[[package]]
+name = "version_check"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
+
+[[package]]
+name = "wasi"
+version = "0.10.2+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "x509-parser"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a76245c48460d72a3e17ad3a01855c3cae98601bb992091c1c1421c77d1cb27c"
+dependencies = [
+ "base64",
+ "chrono",
+ "data-encoding",
+ "der-oid-macro",
+ "der-parser",
+ "lazy_static",
+ "nom",
+ "num-bigint 0.3.2",
+ "rusticata-macros",
+ "rustversion",
+ "thiserror",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..6a1dca4
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "fido2-cli"
+version = "0.1.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+clap = "2.33"
+rust_util = { version = "0.6", features = ["use_clap"] }
+ctap-hid-fido2 = "2.1.3"
+ctap_hmac = "0.4.5"
+
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..521b85b
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,92 @@
+use ctap_hmac::FidoCredentialRequestBuilder;
+use ctap_hmac::FidoAssertionRequestBuilder;
+use ctap_hmac::{FidoDevice, FidoCredentialRequest};
+use ctap_hmac::extensions::HmacExtension;
+use ctap_hid_fido2::{HidParam, InfoParam};
+use ctap_hid_fido2::verifier;
+
+fn main() {
+    match ctap_hid_fido2::get_info(&HidParam::get_default_params()) {
+        Ok(info) => println!("{}", info),
+        Err(err) => println!("Error: {}", err),
+    };
+    println!("{}", "-".repeat(88));
+    match ctap_hid_fido2::get_info_u2f(&HidParam::get_default_params()) {
+        Ok(result) => println!("{:?}", result),
+        Err(e) => println!("error: {:?}", e),
+    }
+    println!("{}", "-".repeat(88));
+    match ctap_hid_fido2::get_pin_retries(&HidParam::get_default_params()) {
+        Ok(retry) => println!("{}", retry),
+        Err(e) => println!("error: {:?}", e),
+    };
+    println!("{}", "-".repeat(88));
+    match ctap_hid_fido2::enable_info_param(&HidParam::get_default_params(), &InfoParam::VersionsFido21Pre) {
+        Ok(result) => println!("FIDO 2.1 PRE = {:?}", result),
+        Err(e) => println!("- error: {:?}", e),
+    };
+
+    println!("----- test-with-pin-non-rk start -----");
+
+    // parameter
+    let rpid = "test.com";
+    let pin = "123456";
+    let challenge = verifier::create_challenge();
+
+    // Register
+    println!("Register - make_credential()");
+    println!("- rpid          = {:?}", rpid);
+    println!(
+        "- challenge({:02}) = {:?}",
+        challenge.len(),
+        &challenge
+    );
+
+    let att = ctap_hid_fido2::make_credential(
+        &HidParam::get_default_params(),
+        rpid,
+        &challenge,
+        Some(pin),
+    ).expect("make cred");
+
+    println!("- Register Success!!");
+    println!("Attestation");
+    println!("{}", att);
+}
+
+fn _main2() {
+    let devices = ctap_hmac::get_devices();
+
+    let mut devices = match devices {
+        Err(e) => {
+            println!("{}", e);
+            return;
+        }
+        Ok(devices) => devices
+    };
+    while let Some(d) = devices.next() {
+        println!("{:?}", d);
+    }
+
+    let device_info = ctap_hmac::get_devices().unwrap().next().unwrap();
+
+    let mut device = FidoDevice::new(&device_info).unwrap();
+
+    device.unlock("123456").unwrap();
+
+    let cred_request = FidoCredentialRequestBuilder::default()
+        .rp_id("rp_id")
+        .user_name("user_name")
+        .build().unwrap();
+
+    let cred = device.make_credential(&cred_request).unwrap();
+    let cred = &&cred;
+
+    println!("{:?}", cred);
+    let assertion_request = FidoAssertionRequestBuilder::default()
+        .rp_id("rp_id")
+        .credential(cred)
+        .build().unwrap();
+
+    let result = device.get_assertion(&assertion_request);
+}