update README

README.md

@@ -1,16 +1,19 @@
-# Kotlin OTP
+# otp-kt
 
-This library provides various [One-Time Password](https://en.wikipedia.org/wiki/One-time_password)
-implementations in Kotlin Multiplatform.
+`otp-kt` is a Kotlin Multiplatform library that provides common one-time password implementations.
 
-## Features
+Supported implementations:
+- HOTP
+- TOTP
 
-* [HOTP](https://en.wikipedia.org/wiki/HMAC-based_one-time_password)
-* [TOTP](https://en.wikipedia.org/wiki/Time-based_one-time_password)
-* Multiplatform support
-    * JVM
-    * JavaScript
-    * Native (Linux)
+## Targets
+
+| Target           | Status        |
+|------------------|---------------|
+| JVM              | Supported     |
+| JavaScript       | Supported     |
+| Native (Linux)   | Supported     |
+| Native (Windows) | Not Supported |
 
 ## Installation
 
@@ -22,21 +25,23 @@ repositories {
 }
 
 dependencies {
-    implementation("com.infendro:otp:1.1.1")
+    implementation("com.infendro:otp:1.2.1")
 }
 ```
 
 ## Usage
 
 ```kotlin
-import com.infendro.hash.SHA1
+import com.infendro.hash.sha1.SHA1
 import com.infendro.otp.SecretGenerator
 import com.infendro.otp.TOTP
+import com.infendro.random.csprng.CSPRNG
 import kotlin.time.Clock.System.now
 import kotlin.time.Duration.Companion.seconds
 
 fun main() {
-    // create a TOTP instance using SHA1, a length of 6, and a period of 30 seconds
+    // create a SecretGenerator and TOTP instance
+    val generator = SecretGenerator(CSPRNG.HMAC(SHA1))
     val totp = TOTP(
         function = SHA1,
         length = 6,
@@ -44,7 +49,7 @@ fun main() {
     )
 
     // generate a secret using SHA1
-    val secret = SecretGenerator.generate(SHA1)
+    val secret = generator.generate()
 
     // generate an OTP
     val otp = totp.generate(secret, now())