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From Vladimir Ozerov <voze...@gridgain.com>
Subject Username/password authentication for thin clients
Date Mon, 15 Jan 2018 08:19:45 GMT
Igniters,

Current Ignite has no means for user authentication and authorization. I
believe this is a big flaw in the product and we should start working on
it. As a first step I would like to propose to add simple username/password
authentication for our thin clients ("thin", JDBC, ODBC).

Proposed design:
1) Define hidden persistent cache for user credentials
2) Credentials will be stored in a form of [username + hash] [1]
3) Default superuser ignite/ignite will be defined by default. This is the
only user which can create other users
4) Authentication will be disabled by default to let users migrate from
previous versions easily
5) Clients will optionally pass username and password to the cluster during
handshake phase.
6) Password will be delivered in a *plain form*, because otherwise clients
will have to implement complex hashing logic on their own. SSL will be used
to protect passwords.
7) Create SQL commands for user management (CREATE USER, ALTER USER, DROP
USER)
8) May be we will also create native public API.

This will be our foundation for further security enhancements, such as:
- Node authentication
- Authorization mechanics
- Various no-password authentication techniques (e.g. certificate-based)

Please share your thoughts on proposed design.

Vladimir.

[1] Exact cryptographic function is to be defined.

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