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Code Issues Releases Wiki Activity

Removed unnecessary values in BiometricManager

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Corewala 2022-05-17 13:25:49 -04:00
parent 93191e67c4
commit 55db823420
1 changed files with 5 additions and 7 deletions
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12
app/src/main/java/corewala/buran/io/keymanager/BuranBiometricManager.kt
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@ -1,5 +1,6 @@
package corewala.buran.io.keymanager
import android.app.Activity
import android.content.Context
import android.os.Build
import android.security.keystore.KeyGenParameterSpec
@ -8,6 +9,7 @@ import androidx.annotation.RequiresApi
import androidx.biometric.BiometricPrompt
import androidx.core.content.ContextCompat
import androidx.fragment.app.Fragment
import androidx.fragment.app.FragmentActivity
import corewala.buran.Buran
import corewala.buran.R
import java.nio.charset.Charset
@ -25,10 +27,6 @@ class BuranBiometricManager {
private lateinit var biometricPrompt: BiometricPrompt
private lateinit var promptInfo: BiometricPrompt.PromptInfo
private val ENCRYPTION_BLOCK_MODE = KeyProperties.BLOCK_MODE_GCM
private val ENCRYPTION_PADDING = KeyProperties.ENCRYPTION_PADDING_NONE
private val ENCRYPTION_ALGORITHM = KeyProperties.KEY_ALGORITHM_AES
fun createBiometricPrompt(context: Context, fragment: Fragment, callback: BiometricPrompt.AuthenticationCallback){
val executor = ContextCompat.getMainExecutor(context)
biometricPrompt = BiometricPrompt(fragment, executor, callback)
@ -76,7 +74,7 @@ class BuranBiometricManager {
}
private fun getCipher(): Cipher {
val transformation = "$ENCRYPTION_ALGORITHM/$ENCRYPTION_BLOCK_MODE/$ENCRYPTION_PADDING"
val transformation = "${KeyProperties.KEY_ALGORITHM_AES}/${KeyProperties.BLOCK_MODE_GCM}/${KeyProperties.ENCRYPTION_PADDING_NONE}"
return Cipher.getInstance(transformation)
}
@ -90,8 +88,8 @@ class BuranBiometricManager {
keyName,
KeyProperties.PURPOSE_ENCRYPT or KeyProperties.PURPOSE_DECRYPT
).apply {
setBlockModes(ENCRYPTION_BLOCK_MODE)
setEncryptionPaddings(ENCRYPTION_PADDING)
setBlockModes(KeyProperties.BLOCK_MODE_GCM)
setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_NONE)
setKeySize(256)
setUserAuthenticationRequired(true)
}.build()