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IV65167: SIGNATURE VERIFY FAILURE WITH SHA*WITHECDSA ALGORITHMS

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APAR status

  • Closed as program error.

Error description

  • Error Message: N/A
    .
    Stack Trace: N/A
    .
    When the digest length is longer than the EC keypair field size,
    the signature verify may fail (e.g. use 192 bit EC keypair with
    SHA256withECDSA signature).
    

Local fix

  • Use EC keypair which field size is longer than the digest
    length.
    

Problem summary

  • The problem happens because the digest is not trimmed properly.
    

Problem conclusion

  • A fix is made to IBMJCE providerThe associated Hursley RTC
    Problem Report is 74934The associated Hursley CMVC defect is
    202418The associated Austin CMVC defect is 115902The associated
    Austin APAR is IV65098JVMs affected: Java 5.0, Java 6.0, Java
    626, Java 7.0 and Java 727The fix was delivered for Java 5.0
    SR16FP8, Java 6.0 SR16FP2, Java 626 SR8FP2, Java 7.0 SR8 and
    Java 727 SR2The affected jar is "ibmjceprovider.jar".The build
    level of this jar for the affected releases is "20140919"
    .
    This APAR will be fixed in the following Java Releases:
       7    SR8       (7.0.8.0)
       5.0  SR16 FP8  (5.0.16.8)
       6    SR16 FP2  (6.0.16.2)
       7 R1 SR2       (7.1.2.0)
       6 R1 SR8 FP2   (6.1.8.2)
    .
    Contact your IBM Product's Service Team for these Service
    Refreshes and Fix Packs.
    For those running stand-alone, Java maintenance is available
    from:
               https://www.ibm.com/developerworks/java/jdk/
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV65167

  • Reported component name

    JAVA 5 SECURITY

  • Reported component ID

    620500125

  • Reported release

    500

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2014-09-23

  • Closed date

    2014-10-03

  • Last modified date

    2014-10-03

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

    IV65166

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

Fix information

  • Fixed component name

    JAVA 5 SECURITY

  • Fixed component ID

    620500125

Applicable component levels

  • R500 PSY

       UP

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Document Information

Modified date:
07 December 2020