PH66186: ENCOUNTERING 'INVALID PRIVATEKEY' WHEN USING THE ITX SFTP ADAPTER WITH KEY PAIR

APAR status

• Closed as program error.

Error description

• This issue can be seen when using the IBM Sterling
  Transformation Extender (ITX) SFTP adapter with a private/public
  
  key pair, generated with more recent version of key generation
  tools (PuTTYgen / OpenSSH ssh-keygen / etc).
  
  When the private/public key pair are created with teh newer file
  
  standards, then the ITX SFTP adapter is unable to read the file,
  
  meaning that the user might encounter a '1064: invalid
  privatekey:' error.
  

Local fix

• ITXCQ - ITX00062937
  PB / GK
  Circumvention: the user can regenerate private keys with an
  older version of these tools, PuTTYgen.exe 0.7.4 for example.
  

Problem summary

• Users Affected:
  IBM Transformation Extender users of m4sftp adapter who have
  generated keys with PUTTYGEN 0.77 or later.
  
  Problem Description:
  Outdated jsch library did not support latest keys
  
  Platforms Affected:
  All
  

Problem conclusion

• Using latest jsch library supports latest keys
  
  Applies to:
  10.1.0.2, 10.1.1.1, 10.1.2.1, 11.0.0.0, 11.0.1.1
  
  Fixed in the next service packs and releases.
  
  To obtain the fix for this APAR:
  
  To see if the next fix pack or product release is available,
  check the IBM Transformation Extender product Release Notes
  page:
  https://www.ibm.com/support/pages/node/318755
  
  If a fix pack release is available, download it from Fix
  Central:
  http://www.ibm.com/support/fixcentral/
  
  If a new product release is available, download it from
  PassportAdvantage:
  https://www.ibm.com/software/passportadvantage/pao_customer.html
  
  
  If the fix pack or product release is not available and you
  require the APAR fix immediately, request a Limited Availability
  Interim Fix (LAIF) by opening a support Case:
  https://www.ibm.com/mysupport
  

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

  ITX

• Fixed component ID

  5724Q2300

Applicable component levels