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)