IZ76737: IBM JCE CANNOT ENCRYPT LONG STRING

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APAR status

  • Closed as program error.

Error description

  • APAR Description :  IBM JCE cannot encrypt long string
    
    JDK Affected : 5.0 and 6.0
    
    Jar Affected: ibmjceprovider.jar
    
    
    
    Details:
    
    Customer reported this issue on zOS IBM JDK 160 SR7. However,
    problem is reproducible on Windows IBM JDK 160 SR8 as well.
    
    Error:
    
    -------------------------------
    error:              Data size too large
    provider:           IBMJCE version 1.2
    algorithm:          RSA/ECB/OAEPWithSHA1AndMGF1Padding
    -------------------------------
    class javax.crypto.IllegalBlockSizeException: Data size too
    large
    com.ibm.crypto.provider.RSA.a(Unknown Source)
    com.ibm.crypto.provider.RSA.engineDoFinal(Unknown Source)
    javax.crypto.Cipher.doFinal(Unknown Source)
    

Local fix

  • Level 3 to update
    

Problem summary

  • IllegalBlockSizeException thrown errantly for some RSA/OAEP/MGF1
    scenarios
    

Problem conclusion

  • Affects ibmjceprovider.jar.  Hursley defect 167099.  Likely
    available in 5.0 SR 12 and 6.0 SR 9.
    
    SVN build date: 20100611_01
    

Temporary fix

Comments

APAR Information

  • APAR number

    IZ76737

  • Reported component name

    TIV JAVA CRYPTO

  • Reported component ID

    TIVSECJCE

  • Reported release

    100

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-06-01

  • Closed date

    2010-06-14

  • Last modified date

    2010-06-14

  • 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

    TIV JAVA CRYPTO

  • Fixed component ID

    TIVSECJCE

Applicable component levels

  • R100 PSN

       UP



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Document information


More support for:

Tivoli Components - Java Security
JCE

Software version:

100

Reference #:

IZ76737

Modified date:

2010-06-14

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