[jboss-jira] [JBoss JIRA] (JGRP-2274) ASYM_ENCRYPT: deprecate sign_msgs

[Bela Ban (Jira)]

    [ https://issues.redhat.com/browse/JGRP-2274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14238733#comment-14238733 ] 

Bela Ban commented on JGRP-2274:
--------------------------------

[~nsawadsky]: the above config doesn't work:
{noformat}
java.security.InvalidAlgorithmParameterException: Unsupported parameter: javax.crypto.spec.IvParameterSpec at d5acec0
	at com.sun.crypto.provider.CipherCore.init(CipherCore.java:520) ~[?:?]
	at com.sun.crypto.provider.AESCipher.engineInit(AESCipher.java:346) ~[?:?]
	at javax.crypto.Cipher.init(Cipher.java:1442) ~[?:?]
	at javax.crypto.Cipher.init(Cipher.java:1375) ~[?:?]
	at org.jgroups.protocols.Encrypt.initCipher(Encrypt.java:262) ~[classes/:?]
	at org.jgroups.protocols.Encrypt.code(Encrypt.java:361) ~[classes/:?]
	at org.jgroups.protocols.Encrypt.encrypt(Encrypt.java:350) ~[classes/:?]
	at org.jgroups.protocols.Encrypt.down(Encrypt.java:149) ~[classes/:?]
 {noformat}

> ASYM_ENCRYPT: deprecate sign_msgs
> ---------------------------------
>
>                 Key: JGRP-2274
>                 URL: https://issues.redhat.com/browse/JGRP-2274
>             Project: JGroups
>          Issue Type: Enhancement
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>            Priority: Major
>             Fix For: 4.0.12
>
>
> In {{ASYM_ENCRYPT}}, signing messages means that the checksum of an encrypted message is computed and used together with the secret key of the sender to sign the message. On the receiver side, the public key of the sender is used to validate the signature.
> However, this is redundant, as decryption of a message will fail if the contents have been changed.
> If needed, signing of messages can be done in a separate protocol.



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