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-rw-r--r--src/main/java/de/pixart/messenger/crypto/axolotl/XmppAxolotlMessage.java5
-rw-r--r--src/main/java/de/pixart/messenger/utils/Compatibility.java4
2 files changed, 7 insertions, 2 deletions
diff --git a/src/main/java/de/pixart/messenger/crypto/axolotl/XmppAxolotlMessage.java b/src/main/java/de/pixart/messenger/crypto/axolotl/XmppAxolotlMessage.java
index 0adbbe51f..f9b2539c3 100644
--- a/src/main/java/de/pixart/messenger/crypto/axolotl/XmppAxolotlMessage.java
+++ b/src/main/java/de/pixart/messenger/crypto/axolotl/XmppAxolotlMessage.java
@@ -21,6 +21,7 @@ import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import de.pixart.messenger.Config;
+import de.pixart.messenger.utils.Compatibility;
import de.pixart.messenger.xml.Element;
import rocks.xmpp.addr.Jid;
@@ -177,7 +178,7 @@ public class XmppAxolotlMessage {
try {
SecretKey secretKey = new SecretKeySpec(innerKey, KEYTYPE);
IvParameterSpec ivSpec = new IvParameterSpec(iv);
- Cipher cipher = Cipher.getInstance(CIPHERMODE, PROVIDER);
+ Cipher cipher = Compatibility.twentyTwo() ? Cipher.getInstance(CIPHERMODE) : Cipher.getInstance(CIPHERMODE, PROVIDER);
cipher.init(Cipher.ENCRYPT_MODE, secretKey, ivSpec);
this.ciphertext = cipher.doFinal(Config.OMEMO_PADDING ? getPaddedBytes(plaintext) : plaintext.getBytes());
if (Config.PUT_AUTH_TAG_INTO_KEY && this.ciphertext != null) {
@@ -293,7 +294,7 @@ public class XmppAxolotlMessage {
key = newKey;
}
- Cipher cipher = Cipher.getInstance(CIPHERMODE, PROVIDER);
+ Cipher cipher = Compatibility.twentyTwo() ? Cipher.getInstance(CIPHERMODE) : Cipher.getInstance(CIPHERMODE, PROVIDER);
SecretKeySpec keySpec = new SecretKeySpec(key, KEYTYPE);
IvParameterSpec ivSpec = new IvParameterSpec(iv);
diff --git a/src/main/java/de/pixart/messenger/utils/Compatibility.java b/src/main/java/de/pixart/messenger/utils/Compatibility.java
index 95d7b4ef2..640a74083 100644
--- a/src/main/java/de/pixart/messenger/utils/Compatibility.java
+++ b/src/main/java/de/pixart/messenger/utils/Compatibility.java
@@ -30,6 +30,10 @@ public class Compatibility {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.O;
}
+ public static boolean twentyTwo() {
+ return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1;
+ }
+
private static boolean getBooleanPreference(Context context, String name, @BoolRes int res) {
return getPreferences(context).getBoolean(name, context.getResources().getBoolean(res));
}