IBM Support

PH67673: CIPHER TRANSFORMATION FIX ON JAVA 21

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APAR status

  • Closed as program error.

Error description

  • Exceptions seen with cipher transformation
    RSA/ECB/OAEPWithSHA-256AndMGF1Padding with Semeru21 followed by
    exception stack trace - IBMJCEHybridException: Failover
    exhausted, all registered providers attempted and failed.
    .
    Stack Trace: Exception#0 java.lang.RuntimeException:
    java.security.InvalidAlgorithmParameterException: (4)OAEP
    padding is not supported for CLEAR keys.
    Stack Trace:
           at
    ibm.crypto.hdwrcca/com.ibm.crypto.hdwrCCA.provider.RSA.engineWra
    
    p(RSA.java:1223)
    Exception#1 javax.crypto.NoSuchPaddingException: Padding:
    OAEPWithSHA-256AndMGF1Padding not implemented
    Stack Trace:
           at
    java.base/com.ibm.crypto.plus.provider.RSA.engineSetPadding(RSA.
    
    java:381)
    Exception#2 java.security.NoSuchAlgorithmException: No such
    algorithm: RSA//OAEPWithSHA-256AndMGF1Padding
    Stack Trace:
           at
    java.base/javax.crypto.Cipher.getInstance(Cipher.java:758)
    .
    

Local fix

  • N/A
    

Problem summary

  • The problem was occurring due to an argument that is being
    checked for CCA which was not meant to be allowed on HYBRID.
    

Problem conclusion

  • The argument that was listed within HYBRID has been changed to
    match what is in IBMJCECCA to fix the issue that was occurring.
    .
    This APAR will be fixed in the following Releases:
    .
    IBM Semeru Runtimes
       21              21.0.9.0
    .
    Downloads and supplementary documentation can be found at the
    following locations:
    - For the z/OS operating system:
      - Java SDK Products on z/OS
        https://www.ibm.com/support/pages/java-sdk-products-zos
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH67673

  • Reported component name

    JAVA Z/OS 64

  • Reported component ID

    620700104

  • Reported release

    L00

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2025-08-07

  • Closed date

    2025-08-07

  • Last modified date

    2025-08-07

  • 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

    JAVA Z/OS 64

  • Fixed component ID

    620700104

Applicable component levels

[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSNVBF","label":"Runtimes for Java Technology"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"L00","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]

Document Information

Modified date:
07 August 2025