IV78632: 'SHA-256 SIGNATURE NOT AVAILABLE' IN SOLARIS

APAR status

• Closed as program error.

Error description

• Error Message: When signing certificate with signature algorithm
  name "SHA256withRSA" using keytool on Solaris, An exception
  "java.security.NoSuchAlgorithmException: SHA-256 Signature not
  available" is seen. The same command works fine on Windows and
  Linux.
  .
  Stack Trace: keytool error:
  java.security.NoSuchAlgorithmException: SHA-256 Signature not
  available
  java.security.NoSuchAlgorithmException: SHA-256 Signature not
  available
   at
  java.security.Signature.getInstance(Signature.java:229)
   at sun.security.pkcs10.PKCS10.<init>(PKCS10.java:170)
   at
  sun.security.tools.keytool.Main.doGenCert(Main.java:1209)
   at
  sun.security.tools.keytool.Main.doCommands(Main.java:1090)
   at sun.security.tools.keytool.Main.run(Main.java:340)
   at sun.security.tools.keytool.Main.main(Main.java:333)
  .
  

Local fix

Problem summary

• Problem is caused by incorrect mapping between Signature
  algorithm name and OID
  

Problem conclusion

• Fix is to remove incorrect OID alias while registering Signature
  service
  The associated Austin CMVC defect is 117027
  The associated RTC PR is 102142
  The associated APAR is IV78250
  JVMs affected : Java 6.0, Java 6.1, Java 7.0 , Java 7.1 and Java
  8.0
  The fix was delivered for Java 6.0 SR16 FP20, Java 6.1 SR8 FP20,
  Java 7.0 SR9 FP30, Java 7.1 SR3 FP30 and Java 8.0 SR2 FP10
  The affected jar is "ibmjceprovider.jar".
  The build level of this jar for the affected releases is
  "20151104"
  .
  This APAR will be fixed in the following Java Releases:
   8 SR2 FP10 (8.0.2.10)
   7 R1 SR3 FP30 (7.1.3.30)
   7 SR9 FP30 (7.0.9.30)
   6 R1 SR8 FP20 (6.1.8.20)
   6 SR16 FP20 (6.0.16.20)
  .
  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 is sysrouted FROM one or more of the following:

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

• Fixed component name

  SECURITY

• Fixed component ID

  620700125

Applicable component levels

• R270 PSY

     UP

• R260 PSY

     UP

• R600 PSY

     UP