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Change key generation back to just "AES", be explicit when getting Cipher instance.

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This commit is contained in:
Steveice10 2018-09-06 09:34:41 -07:00
parent 2aa66f73e1
commit 2a8483a155
1 changed files with 3 additions and 3 deletions
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6
src/main/java/com/github/steveice10/mc/protocol/util/CryptUtil.java
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@ -23,7 +23,7 @@ public class CryptUtil {
public static SecretKey generateSharedKey() {
try {
KeyGenerator gen = KeyGenerator.getInstance("AES/CFB8/NoPadding");
KeyGenerator gen = KeyGenerator.getInstance("AES");
gen.init(128);
return gen.generateKey();
} catch(NoSuchAlgorithmException e) {
@ -50,7 +50,7 @@ public class CryptUtil {
}
public static SecretKey decryptSharedKey(PrivateKey privateKey, byte[] sharedKey) {
return new SecretKeySpec(decryptData(privateKey, sharedKey), "AES/CFB8/NoPadding");
return new SecretKeySpec(decryptData(privateKey, sharedKey), "AES");
}
public static byte[] encryptData(Key key, byte[] data) {
@ -63,7 +63,7 @@ public class CryptUtil {
private static byte[] runEncryption(int mode, Key key, byte[] data) {
try {
Cipher cipher = Cipher.getInstance(key.getAlgorithm());
Cipher cipher = Cipher.getInstance("AES/CFB8/NoPadding");
cipher.init(mode, key);
return cipher.doFinal(data);
} catch(GeneralSecurityException e) {