IV33471: RSA KEYPAIR GENERATION WITH KEYTOOL FAILED WITH 'SIGNATURE ALGOR ITHM MISMATCH'.

APAR status

• Closed as program error.

Error description

• Error Message: java.security.cert.CertificateException:
  Signature algorithm mismatch.
  .
  Stack Trace: N/A
  .
  1. The problem happens when IBMJCEFIPS provider is put before
  IBMJCE provider in the provider list in java.security.
  2. Problem is gone if -sigalg option is specified.
  

Local fix

• Specify -sigalg in "keytool -genkeypair" or "keytool -genkey"
  command in generating key pair.
  

Problem summary

• The problem happens because the AlgorithmId.get() in PKCS
  component cannot handle signature name "SHA2withRSA", a wrong
  OID is returned in recognizing the signature algorithm.
  

Problem conclusion

• This defect will be fixed in:
  7.0.0 SR4
  6.0.1 SR5
  6.0.0 SR13
  5.0.0 SR16
  .
  A fix is made to AlgorithmId.get() to recognize "SHA2withRSA"
  signature name.
  The associated Hursley CMVC defect is 195127
  The associated Austin CMVC defect is 113413
  JVMs affected: Java 5.0 SR15, Java 6.0 SR12, Java 626 SR4, and
  Java 7.0 SR3.
  The fix was delivered for  Java 5.0 SR16, Java 6.0 SR13, Java
  626 SR5, and Java 7.0 SR4.
  The affected jar is "ibmpkcs.jar".
  The build level of this jar for the affected releases is
  "20121204"
  

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:

  IV33472

Fix information

• Fixed component name

  SECURITY

• Fixed component ID

  620700125

Applicable component levels

• R260 PSY

     UP

• R600 PSY

     UP