add totp

totp/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "totp"
+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]
+time = "0.1.42"
+otpauth = "0.2.7"

totp/src/main.rs

@@ -0,0 +1,13 @@
+extern crate otpauth;
+extern crate time;
+
+use otpauth::TOTP;
+
+fn main() {
+    let auth = TOTP::new("python");
+    let timestamp1 = time::now().to_timespec().sec as usize;
+    let code = auth.generate(30, timestamp1);
+    let timestamp2 = time::now().to_timespec().sec as usize;
+    println!("code: {}", code);
+    assert_eq!(true, auth.verify(code, 30, timestamp2));
+}