and for the illegal key size problem, please download unlimitedJCEPoliJDK from oracle and override/paste to java_home/jre/security/ lib Original Message in clear: Look mah, I`m a message! java.security.NoSuchProviderException: no such provider: BC at sun.security.jca.getInstance.getService(Unknown Source) at sun.security.jca.GetInstance.getInstance(Unknown Source) at java.security.KeyPairGenerator.getInstance(Unknown Source) at Test.generateECKeys(Test.java:57) at Test.main(Test.java:36) java.security.NoSuchProvider: noSuchProvider: no sun.security.jca.GetInstance.getService(Unknown Source) unter sun.security.jca.getInstance.getInstance(Unknown Source) unter java.security.KeyPairGenerator.getInstance(Unknown Source) bei Test.generateECKeys(Test.java:57) bei Test.main(Test.java:37) Ausnahme im Thread “main” java.lang.NullPointer java.security.InvalidKeyException: Illegale Schlüsselgröße Verschlüsselter Verschlüsselungstext: null bei javax.crypto.Cipher.checkCryptoPerm(Cipher.java:1024) at javax.crypto.Cipher.init(Cipher.java:1345) at javax.crypto.Cipher.init(Cipher.java:128 2) bei Test.encryptString(Test.java:95) bei Test.main(Test.java:46) Ausnahme im Thread “main” java.lang.NullPointerException bei Test.hexToBytes(Test.java:157) bei Test.decryptString(Test.java:118) bei Test.main(Test.java:50) …. java.security.InvalidAlgorithmParameterException: null parameter passes, but not implicitLY defined on org.bouncycastle.jce.provider.asymmetric.ec.KeyPairGenerator.EC.initialize (KeyPairGenerator.java:230) at java.security.KeyPairGenerator.initialize (KeyPairGenerator.java:411) at controller. Test.generateECKeys (test.java:76) on the controller. Test.hand (Test.java:53) java.security.InvalidAlgorithmParametersException: null pass a setting, but no implied DECA game on org.bouncycastle.jce.provider.asymmetric.ec.keyPairGenerator-EC.initialize (KeyPairGenerator.java:230) at java.security.KeyPairGenerator.initialize (KeyPairGenerator.java:411) at controller. Test.generateECKeys (test.java:76) on the controller. Test.main (Test.java:54) Exception in the “hand” thread java.lang.NullPointerException at controller. Test.main (Test.java:57) Here is a short list of links that relate to this Java TestECDH2 source code file.java: `Jarfiles>javac Test.java Test.java:23: package org.bouncycastle does not importxist org.bouncy.; Test.java:24: Error: package org.bouncycastle.jce.spec does not exist import org.bouncycastle.jce.spec.ecNamedCurveParameterSpec; Test.java:54: Error: symbol ECNamedCurveParameterSpecSpec – ECNamedCurveTable.getParameterSpec (“brainpoolp256r”) cannot be found; Symbol: Class ECNamedCurveParametersSpec: Test Class.java:54: Error: Symbol ECNamedCurveParametersspecSpecSpec – ECNamedCurveTable.getParameterSpec (“brainpoolp256r”) cannot be found; Symbol: Variable ECNamedCurvetable Location: Test Class 4 Error I can get these errors from this example Java source code (testECDH2.java) is included in the alvinalexander.com project “Java Source Code Warehouse”. The intention of this project is to help you learn Java by ExampleTM. biginteger, crypto, ecdh, ecgenparameterspec, ecparameterspec, ecpoint, ecprivatekeyspec, ecpublickeyspec, exception, keyagreement, keypair, math, pkcs11test, provider, security, string, testecdh2, util (1)I added the jar file UnlimitedJCEPolicyJDK (2)I added Security.addProvider (new org.boucastlency.jce.). At first, I get this error pl.

help me…. Original message in plain sight: Look, I`m a message! java.security.InvalidKeyException: Illegal size key at javax.crypto.Cipher.a (DashoA13..) by javax.crypto.cipher.init (DashoA13)) at javax.crypto.Cipher.init (DashoA13).) Encrypted encryption text: decrypted encryption text null: null at Test.encryptString (Test.java:86) at Test.main (Test.java:40) java.lang.NullPointerException at Test.hexToBytes (Test.java 1>:140) at Test.decryptString (Test.java:105) at Test.main (Test.java:44) Copyright 1998-2019 Ain Alexander, alvinalexander.com All Rights Reserved.

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