[jira] [Commented] (LOG4J2-2930) Add plugin for encrypting/decrypting log events

["Matt Sicker (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LOG4J2-2930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17216024#comment-17216024 ] 

Matt Sicker commented on LOG4J2-2930:
-------------------------------------

I came across [RFC 5652|https://www.rfc-editor.org/rfc/rfc5652.html] as an existing standard for how the messages can be encoded. Might even integrate more easily with existing crypto APIs or libraries.

> Add plugin for encrypting/decrypting log events
> -----------------------------------------------
>
>                 Key: LOG4J2-2930
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-2930
>             Project: Log4j 2
>          Issue Type: New Feature
>          Components: Appenders, Core, Receivers
>    Affects Versions: 2.13.3
>            Reporter: Matt Sicker
>            Priority: Major
>
> Some of the existing appenders write log events to sophisticated systems which support encrypting said data at rest and in transit (e.g., storing events in an encrypted SQL database using a TLS connection, writing data to an encrypted filesystem or disk, etc.) However, not every system supported in Log4j provides a feature or ability to encrypt and decrypt data natively. There are a small collection of ad hoc cryptographic operations in Log4j (e.g., {{SslConfiguration}}, {{KeyStoreConfiguration}}, {{SecretKeyProvider}}, etc.) which should be refactored and extended to allow for more flexibility in key management and message encryption/decryption. This will allow appenders and receivers that wish to support encryption to do so much more easily. This should also allow for more sophisticated use of cryptography such as adding message digests or authentication tags to log messages to help prevent tampering and add authenticity.
> Related resources:
> * https://cheatsheetseries.owasp.org/cheatsheets/Cryptographic_Storage_Cheat_Sheet.html
> * https://cheatsheetseries.owasp.org/cheatsheets/Transport_Layer_Protection_Cheat_Sheet.html
> * https://cheatsheetseries.owasp.org/cheatsheets/Logging_Cheat_Sheet.html#protection



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