JDK-8165751 : NPE hit with java.security.debug=provider
  • Type: Bug
  • Component: security-libs
  • Sub-Component: javax.crypto
  • Affected Version: 8u101,9
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • Submitted: 2016-09-09
  • Updated: 2017-12-21
  • Resolved: 2016-12-14
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7u161Fixed 8u152Fixed 9 b150Fixed openjdk7uFixed
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3rd party Jsafe provider registered in JDK. When initializing and debugging via java.security.debug=provider flag, we hit an NPE : 

     [java] Provider: MessageDigest.SHA-256 algorithm from: SUN
     [java] Provider: Signature.SHA256withRSA verification algorithm from: SunRsaSign
     [java] Provider: MessageDigest.SHA-256 algorithm from: SUN
     [java] Provider: MessageDigest.SHA algorithm from: JsafeJCE
     [java] Exception in thread "main" java.lang.ExceptionInInitializerError
     [java]     at javax.crypto.JceSecurity.loadPolicies(JceSecurity.java:318)
     [java]     at javax.crypto.JceSecurity.setupJurisdictionPolicies(JceSecurity.java:263)
     [java]     at javax.crypto.JceSecurity.access$000(JceSecurity.java:48)
     [java]     at javax.crypto.JceSecurity$1.run(JceSecurity.java:81)
     [java]     at java.security.AccessController.doPrivileged(Native Method)
     [java]     at javax.crypto.JceSecurity.<clinit>(JceSecurity.java:78)
     [java]     at javax.crypto.SecretKeyFactory.getInstance(SecretKeyFactory.java:204)
     [java]     at jce.common.AESKeyUtil.getSecretKey(AESKeyUtil.java:64)
     [java]     at jce.asymCipher.RSAEncryptWithOAEP.runSample(RSAEncryptWithOAEP.java:86)
     [java]     at jce.asymCipher.RSAEncryptWithOAEP.main(RSAEncryptWithOAEP.java:56)
     [java] Caused by: java.lang.SecurityException: Framework jar verification can not be initialized
     [java]     at javax.crypto.JarVerifier.<clinit>(JarVerifier.java:189)
     [java]     ... 10 more
     [java] Caused by: java.lang.NullPointerException
     [java]     at java.security.Signature.initVerify(Signature.java:462)
     [java]     at com.rsa.cryptoj.o.pq.a(Unknown Source)
     [java]     at com.rsa.cryptoj.o.pq.verify(Unknown Source)
     [java]     at javax.crypto.JarVerifier.testSignatures(JarVerifier.java:737)
     [java]     at javax.crypto.JarVerifier.access$400(JarVerifier.java:34)
     [java]     at javax.crypto.JarVerifier$1.run(JarVerifier.java:183)
     [java]     at javax.crypto.JarVerifier$1.run(JarVerifier.java:149)
     [java]     at java.security.AccessController.doPrivileged(Native Method)
     [java]     at javax.crypto.JarVerifier.<clinit>(JarVerifier.java:148)
My guess is that the RSA code is instantiating a subclass of Signature directly instead of calling one of the getInstance methods. Signature.getProvider could return null in that case. Best to check for null in the debug even though getProvider is not supposed to return null.

corresponding Signature code : 455 public final void initVerify(PublicKey publicKey) 456 throws InvalidKeyException { 457 engineInitVerify(publicKey); 458 state = VERIFY; 459 460 if (!skipDebug && pdebug != null) { 461 pdebug.println("Signature." + algorithm + 462 " verification algorithm from: " + this.provider.getName()); 463 } 464 } Looks like this.provider could be null. Debug code was introduced via JDK-8056026