diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 4b929b38a..d51be22ea 100755
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -6,7 +6,7 @@
           android:versionName="1.4.3">
 
     <uses-sdk
-        android:minSdkVersion="16"
+        android:minSdkVersion="26"
         android:targetSdkVersion="28"/>
 
     <uses-permission android:name="android.permission.INTERNET"/>
diff --git a/chiffrement/chiffrement.java b/chiffrement/chiffrement.java
index 0afa6ad8f..ad479387d 100644
--- a/chiffrement/chiffrement.java
+++ b/chiffrement/chiffrement.java
@@ -62,7 +62,7 @@ public class chiffrement {
 					byte[] saltByte = removeUselessByte(saltHex.toByteArray(), 8);
 					byte[] ivByte = removeUselessByte(ivHex.toByteArray(), 16);
 
-					SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithSHA256AND256BITAES-CBC-BC");
+					SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2withHmacSHA256");
 					KeySpec keySpec = new PBEKeySpec(password.toCharArray(), saltByte, 10000, 128);
 					SecretKey tmpSecretKey = factory.generateSecret(keySpec);
 					SecretKeySpec secretKeySpec = new SecretKeySpec(tmpSecretKey.getEncoded(), "AES");
@@ -87,7 +87,7 @@ public class chiffrement {
 					byte[] salt = removeUselessByte(saltHex.toByteArray(), 8);
 					byte[] iv = removeUselessByte(ivHex.toByteArray(), 16);
 
-					SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithSHA256AND256BITAES-CBC-BC");
+					SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2withHmacSHA256");
 					KeySpec spec = new PBEKeySpec(password.toCharArray(), salt, 10000, 128);
 					SecretKey tmp = factory.generateSecret(spec);
 					SecretKeySpec secretKey = new SecretKeySpec(tmp.getEncoded(), "AES");
diff --git a/src/android/org/linphone/assistant/RemoteProvisioningLoginActivity.java b/src/android/org/linphone/assistant/RemoteProvisioningLoginActivity.java
index 536c2027c..3881a8a86 100644
--- a/src/android/org/linphone/assistant/RemoteProvisioningLoginActivity.java
+++ b/src/android/org/linphone/assistant/RemoteProvisioningLoginActivity.java
@@ -378,7 +378,7 @@ public class RemoteProvisioningLoginActivity extends Activity implements OnClick
 			byte[] saltByte = removeUselessByte(saltHex.toByteArray(), 8);
 			byte[] ivByte = removeUselessByte(ivHex.toByteArray(), 16);
 
-			SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithSHA256AND256BITAES-CBC-BC");
+			SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2withHmacSHA256");
 			KeySpec keySpec = new PBEKeySpec(code_sms.getText().toString().toCharArray(), saltByte, 10000, 128);
 			SecretKey tmpSecretKey = factory.generateSecret(keySpec);
 			SecretKeySpec secretKeySpec = new SecretKeySpec(tmpSecretKey.getEncoded(), "AES");