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Encrypted Files in Jetpack Security
// Although you can define your own key generation parameter specification, it's
// recommended that you use the value specified here.
val keyGenParameterSpec = MasterKeys.AES256_GCM_SPEC
val mainKeyAlias = MasterKeys.getOrCreate(keyGenParameterSpec)
val encrypFile = EncryptedFile.Builder(
File(directoryPath, "file_name"),
* For write use openFileOutput
* For Read use openFileInput
//Write in file
encrypFile.openFileOutput().bufferedWriter().use { writer->
writer.write("your data")
//Read from file
val dataFile = encrypFile.openFileInput().bufferedReader().useLines { reader ->
// Read data
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