IBM Support

IV75772: THE AMOUNT OF REREAD DATA IS LESS THAN THE EXPECTED AMOUNT AFTER ENCRYPTION

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APAR status

  • Closed as program error.

Error description

  • Error Message: When using direct input and output ByteBuffer to
    perform encryption/decryption, the actual amount of
    encrypted/decrypted data returned is not the same as the
    expected amount.
    .
    Stack Trace: N/A
    .
    

Local fix

Problem summary

  • Last block of data is not processed when using DIRECT ByteBuffer
    and ByteBuffer.remaining is 0 when calling Cipher.doFinal()
    

Problem conclusion

  • The fix is to process the buffered data even if
    ByteBuffer.remaining is 0 when calling Cipher.doFinal()
    The associated RTC PR is 96113
    The associated Austin CMVC defect is 116806
    The associated Hursley CMVC defect is 202845
    The associated APAR is IV74909
    JVMs affected : Java 5.0, Java 6.0, Java 6.1, Java 7.0, Java 7.1
    and Java 8.0
    The fix was delivered for Java 5.0 SR16 FP14, Java 6.0 SR16
    FP15, Java 6.1 SR8 FP15, Java 7.0 SR9 FP20, Java 7.1 SR3 FP20
    and Java 8.0 SR2
    The affected jar is "ibmjcefw.jar".
    The build level of this jar for the affected releases is
    "20150722"
    .
    This APAR will be fixed in the following Java Releases:
       7 R1 SR3 FP20  (7.1.3.20)
       6    SR16 FP15 (6.0.16.15)
       8    SR2       (8.0.2.0)
       5.0  SR16 FP14 (5.0.16.14)
       6 R1 SR8 FP15  (6.1.8.15)
       7    SR9 FP20  (7.0.9.20)
    .
    Contact your IBM Product's Service Team for these Service
    Refreshes and Fix Packs.
    For those running stand-alone, information about the available
    Service Refreshes and Fix Packs can be found at:
               https://www.ibm.com/developerworks/java/jdk/
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV75772

  • Reported component name

    SECURITY

  • Reported component ID

    620700125

  • Reported release

    260

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2015-08-04

  • Closed date

    2015-08-04

  • Last modified date

    2015-08-04

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    IV75773

Fix information

  • Fixed component name

    SECURITY

  • Fixed component ID

    620700125

Applicable component levels

  • R260 PSY

       UP

  • R600 PSY

       UP

  • R270 PSY

       UP



Document information

More support for: Runtimes for Java Technology
Security

Software version: 260

Reference #: IV75772

Modified date: 04 August 2015