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From "Bernt M. Johnsen (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-528) Support for DRDA Strong User ID and Password Substitute Authentication (USRSSBPWD) scheme
Date Wed, 21 Jun 2006 08:38:31 GMT
    [ http://issues.apache.org/jira/browse/DERBY-528?page=comments#action_12417060 ] 

Bernt M. Johnsen commented on DERBY-528:
----------------------------------------

EncryptionManager (this applies DecryptionManager) actually implements two distinct objects
in your patch, only distinguished by the overloaded constructor. They should be separated
into different classes (possibly with an abstract base class if needed).

> Support for DRDA Strong User ID and Password Substitute Authentication (USRSSBPWD) scheme
> -----------------------------------------------------------------------------------------
>
>          Key: DERBY-528
>          URL: http://issues.apache.org/jira/browse/DERBY-528
>      Project: Derby
>         Type: New Feature

>   Components: Security
>     Versions: 10.1.1.0
>     Reporter: Francois Orsini
>     Assignee: Francois Orsini
>      Fix For: 10.2.0.0
>  Attachments: 528_SecMec_Testing_Table.txt, 528_diff_v1.txt, 528_stat_v1.txt
>
> This JIRA will add support for (DRDA) Strong User ID and Password Substitute Authentication
(USRSSBPWD) scheme in the network client/server driver layers.
> Current Derby DRDA network client  driver supports encrypted userid/password (EUSRIDPWD)
via the use of DH key-agreement protocol - however current Open Group DRDA specifications
imposes small prime and base generator values (256 bits) that prevents other JCE's  to be
used as java cryptography providers - typical minimum security requirements is usually of
1024 bits (512-bit absolute minimum) when using DH key-agreement protocol to generate a session
key.
> Strong User ID and Password Substitute Authentication (USRSSBPWD) is part of DRDA specifications
as another alternative to provide ciphered passwords across the wire.
> Support of USRSSBPWD authentication scheme will enable additional JCE's to  be used when
encrypted passwords are required across the wire.
> USRSSBPWD authentication scheme will be specified by a Derby network client user via
the securityMechanism property on the connection UR - A new property value such as ENCRYPTED_PASSWORD_SECURITY
will be defined in order to support this new (DRDA) authentication scheme.

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