fix: reset keystore entries on wallet wipe

Author: ovitrif

app/src/main/java/to/bitkit/data/keychain/AndroidKeyStore.kt

@@ -80,4 +80,10 @@ class AndroidKeyStore(
         val decryptedDataBytes = cipher.doFinal(actualEncryptedData)
         return decryptedDataBytes
     }
+
+    fun deleteEncryptionKey() {
+        if (keyStore.containsAlias(alias)) {
+            keyStore.deleteEntry(alias)
+        }
+    }
 }

app/src/main/java/to/bitkit/data/keychain/Keychain.kt

@@ -96,8 +96,10 @@ class Keychain @Inject constructor(
     suspend fun wipe() {
         val keys = snapshot.asMap().keys
         keychain.edit { it.clear() }
+        keyStore.deleteEncryptionKey()
+        val count = keys.size
 
-        Logger.info("Deleted all keychain entries: ${keys.joinToString()}")
+        Logger.info("Deleted keychain encryption key and all '$count' entries")
     }
 
     private val String.indexed: Preferences.Key<String>