IT31445: DECRYPTION OPERATIONS USING THE AES GCM SYMMETRICAL ENCRYPTION ALGORITHM MIGHT FAIL ON LARGE BLOCKS OF DATA

Fix packs for DataPower Gateway version 2018.4.1

APAR status

• Closed as program error.

Error description

• When the DataPower Appliance performs a decryption operation on
  XML data using the AES GCM symmetric encryption algorithm,
  either through a decryption action, or with the dp:decrypt-data
  extension function, the operation will result in failure when
  the data size exceeds a certain size.
  

Local fix

Problem summary

• The DataPower Appliance might return NULL decryption results
  when
  large blocks of XML data are decrypted with the AES GCM
  algorithm.
  

Problem conclusion

• Fix is available in 2018.4.1.11
  For a list of the latest fix packs available, please see:
  http://www-01.ibm.com/support/docview.wss?uid=swg21237631
  

Temporary fix

Comments

APAR Information

• 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

  DATAPOWER

• Fixed component ID

  DP1234567

Applicable component levels

• R100 PSY

     UP

• R18X PSY

     UP