Error during ASYM_ENCRYPT-----exception occurred decrypting messagejavax.crypto.BadPaddingException: Given final block not properly padded ------------------------------------------------------------------------------------------------------------------------------------------ Key: JGRP-2279 URL: https://issues.jboss.org/browse/JGRP-2279 Project: JGroups Issue Type: Bug Affects Versions: 4.0.1 Environment: OS:Red Hat JDK:1.8 Reporter: George Jiang Assignee: Bela Ban Priority: Critical Fix For: 4.0.13 Attachments: asym-ssl2.xml *asym parameters:* <ASYM_ENCRYPT encrypt_entire_message="true" sign_msgs="true" sym_keylength="128" sym_algorithm="AES/ECB/PKCS5Padding" asym_keylength="2048" asym_algorithm="RSA" change_key_on_leave="true"/> *Throws the following error:* 2018-05-23T03:11:53,891 +2903450778 [jgroups--12467,-1491537117,1] ERROR org.jgroups.protocols.ASYM_ENCRYPT - 1: failed decrypting message from 2 (offset=0, length=1136, buf.length=1136): javax.crypto.BadPaddingException: Given final block not properly padded, headers are ASYM_ENCRYPT: [ENCRYPT version=16 bytes], TP: [cluster_name=-1491537117] 2018-05-23T03:11:53,893 +2903450780 [jgroups--12467,-1491537117,1] TRACE org.jgroups.protocols.TCP_NIO2 - 1: received message batch of 1 messages from 2 2018-05-23T03:11:53,895 +2903450782 [jgroups--12467,-1491537117,1] DEBUG org.jgroups.protocols.ASYM_ENCRYPT - 1: received secret key from keyserver 2 2018-05-23T03:11:53,895 +2903450782 [jgroups--12467,-1491537117,1] DEBUG org.jgroups.protocols.ASYM_ENCRYPT - 1: created 8 symmetric ciphers with secret key (16 bytes) 2018-05-23T03:11:54,369 +2903451256 [jgroups--12467,-1491537117,1] TRACE org.jgroups.protocols.TCP_NIO2 - 1: received [dst:*** 2018-05-23T03:11:54,369 +2903451256 [jgroups--12467,-1491537117,1] WARN org.jgroups.protocols.ASYM_ENCRYPT - 1: exception occurred decrypting message javax.crypto.BadPaddingException: Given final block not properly padded at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:991) ~[sunjce_provider.jar:1.8.0_162] at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:847) ~[sunjce_provider.jar:1.8.0_162] at com.sun.crypto.provider.AESCipher.engineDoFinal(AESCipher.java:446) ~[sunjce_provider.jar:1.8.0_162] at javax.crypto.Cipher.doFinal(Cipher.java:2222) ~[?:1.8.0_171] at org.jgroups.protocols.Encrypt.code(Encrypt.java:365) ~[jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.Encrypt.decryptChecksum(Encrypt.java:387) ~[jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.Encrypt._decrypt(Encrypt.java:299) ~[jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.Encrypt.decryptMessage(Encrypt.java:283) ~[jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.Encrypt.handleEncryptedMessage(Encrypt.java:242) ~[jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.Encrypt.handleUpMessage(Encrypt.java:229) ~[jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.Encrypt.up(Encrypt.java:155) [jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.ASYM_ENCRYPT.up(ASYM_ENCRYPT.java:143) [jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:129) [jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.FD_ALL.up(FD_ALL.java:197) [jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:252) [jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.MERGE3.up(MERGE3.java:277) [jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.Discovery.up(Discovery.java:262) [jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.protocols.TP.passMessageUp(TP.java:1203) [jgroups-4.0.1.Final.jar:4.0.1.Final] at org.jgroups.util.SubmitToThreadPool$SingleMessageHandler.run(SubmitToThreadPool.java:87) [jgroups-4.0.1.Final.jar:4.0.1.Final] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_162] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_162] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_162]