PM67412: INVALID SIGNATURE ERROR DUE TO A CACHED DATA IN LTPADIGSIGNATURE CLASS.

Fixes are available

APAR status

Closed as program error.

Error description

Bunch of invalid signature error ends up logging SECJ5010E
error.

This is due to a cached data in LtpaDigSignature class. Although
LTPAkey are refreshed, the code keeps using cached signature, as
a result, these siganatures cannot be verified by using new
LTPAKeys.

Local fix

```
N/A
```

Problem summary

****************************************************************
* USERS AFFECTED:  All users of IBM WebSphere Application      *
*                  Server                                      *
****************************************************************
* PROBLEM DESCRIPTION: Excessive SECJ5010E errors after        *
*                      regenerating LTPAToken keys             *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
There is a cache which stores a signature for each Lightweight
Third Party Authentication (LTPA) token.
Although signatures are signed by a private key, the cached
data is not cleared when the private key is updated due to
regenerating LTPAToken keys.
As a result, a cached data which was signed by previous
LTPAToken keys are used for constructing LTPATokens. These
LTPATokens cannot be validated properly due to incompatible
LTPAToken keys.

Problem conclusion

With this fix, when LTPAToken keys are updated, all of cached
object is deleted in order to use new keys.

The fix for this APAR is currently targeted for inclusion in
fix pack 6.1.0.45,7.0.0.25, 8.0.0.5, and 8.5.0.1.  Please refer
to the Recommended Updates page for delivery information:
http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980

Temporary fix

Comments

APAR Information

APAR number
PM67412
Reported component name
WEBS APP SERV N
Reported component ID
5724H8800
Reported release
610
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-06-21
Closed date
2012-07-30
Last modified date
2012-07-30

APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:

Fix information

Fixed component name
WEBS APP SERV N
Fixed component ID
5724H8800

Applicable component levels

R61A PSY
UP
R61H PSY
UP
R61I PSY
UP
R61P PSY
UP
R61S PSY
UP
R61W PSY
UP
R61Z PSY
UP
R700 PSY
UP
R800 PSY
UP
R850 PSY
UP

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
29 October 2021

Tips

PM67412: INVALID SIGNATURE ERROR DUE TO A CACHED DATA IN LTPADIGSIGNATURE CLASS.

Fixes are available

Subscribe

APAR status

Closed as program error.

Error description

Local fix

Problem summary

Problem conclusion

Temporary fix

Comments

APAR Information

APAR number

Reported component name

Reported component ID

Reported release

Status

PE

HIPER

Special Attention

Submitted date

Closed date

Last modified date

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Fix information

Fixed component name

Fixed component ID

Applicable component levels

R61A PSY

R61H PSY

R61I PSY

R61P PSY

R61S PSY

R61W PSY

R61Z PSY

R700 PSY

R800 PSY

R850 PSY

Document Information

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