update

Author: Tomaandr

FreeRASPDemoApp/app/src/main/java/com/aheaditec/talsec/demoapp/Utils.kt

@@ -9,47 +9,51 @@ import android.util.Base64
 import java.security.MessageDigest
 
 object Utils {
-    
-    // Helper for obtaining your signing certificate hash used to initialize TalsecConfig
-    fun computeSigningCertificateHash(context: Context): String {
-        val packageInfo = context.packageManager.getPackageInfo(
-            context.packageName,
-            provideSignatureFlagsBaseOnSdk()
-        )
-        return getApkSigningCertificate(packageInfo)[0]
-    }
 
     private fun provideSignatureFlagsBaseOnSdk(): Int {
         return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
             PackageManager.GET_SIGNING_CERTIFICATES
         } else {
+            @Suppress("DEPRECATION")
             PackageManager.GET_SIGNATURES
         }
     }
 
+    /**
+     * Computes the signing certificate hash of the current application.
+     *
+     * Returns a Base64-encoded SHA-256 hash of the app's signing certificate.
+     * This value is used to initialize [TalsecConfig] for security validation.
+     *
+     * @param context The application context used to retrieve package information.
+     * @return Base64-encoded SHA-256 hash of the first signing certificate.
+     */
+    fun computeSigningCertificateHash(context: Context): String {
+        val packageInfo = context.packageManager.getPackageInfo(
+            context.packageName,
+            provideSignatureFlagsBaseOnSdk()
+        )
+        return getApkSigningCertificate(packageInfo)[0]
+    }
+
     private fun getApkSigningCertificate(packageInfo: PackageInfo): List<String> {
         val signingHashes = mutableListOf<String>()
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
             packageInfo.signingInfo?.apply {
                 if (hasMultipleSigners()) {
                     apkContentsSigners?.forEach {
-                        signingHashes.add(
-                            hashCertificate(it)
-                        )
+                        signingHashes.add(hashCertificate(it))
                     }
                 } else {
                     signingCertificateHistory?.forEach {
-                        signingHashes.add(
-                            hashCertificate(it)
-                        )
+                        signingHashes.add(hashCertificate(it))
                     }
                 }
             }
         } else {
+            @Suppress("DEPRECATION")
             packageInfo.signatures?.forEach {
-                signingHashes.add(
-                    hashCertificate(it)
-                )
+                signingHashes.add(hashCertificate(it))
             }
         }
         return signingHashes