Re: Re: Exception in thread "main" java.lang.NoClassDefFoundError: org/bouncycastle/jcajce/util/JcaJceHelper

On Thu, Jun 14, 2018 at 4:53 AM, David Hook <dgh-rTAZ0PM/[email protected]> wrote:

>
> Sounds like the provider is not set up.
>
> Links for instructions on installation of the provider, as well as other
> documentation, are available at:
>
> https://www.bouncycastle.org/documentation.html
>
> Regards,
>
> David
>
Thanks, I had missed Security.addProvider line in the main() function in
the example:

Russ



>
> On 14/06/18 10:40, Russell Haley wrote:
>
>
>
> On Wed, Jun 13, 2018 at 4:53 PM, Russell Haley <[email protected]>
> wrote:
>
>> Hi,
>>
>> I'm relatively new to Java so I'm unsure if this is a mistake on my part
>> or not. I have been using the example code to build out a utility that
>> signs files and puts the signature in a ZipEntry comment for validation. At
>> this point I'm just trying to generate a keypair and I'm getting the
>> following error:
>>
>> Exception in thread "main" java.lang.NoClassDefFoundError:
>> org/bouncycastle/jcajce/util/JcaJceHelper
>> at com.telarraydiagnostics.ova.alpha.scripts.BatchScriptManager
>> .exportKeyPair(BatchScriptManager.java:228)
>> at com.telarraydiagnostics.ova.alpha.scripts.BatchScriptManager
>> .doOpts(BatchScriptManager.java:167)
>> at com.telarraydiagnostics.ova.alpha.scripts.BatchScriptManager
>> .main(BatchScriptManager.java:131)
>> Caused by: java.lang.ClassNotFoundException:
>> org.bouncycastle.jcajce.util.JcaJceHelper
>> at java.net.URLClassLoader.findClass(Unknown Source)
>> at java.lang.ClassLoader.loadClass(Unknown Source)
>> at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
>> at java.lang.ClassLoader.loadClass(Unknown Source)
>> ... 3 more
>>
>>
>> My function is a copy/paste of the RSAKeyPairGenerator.exportKeyPair
>> function. The troubled code is in RSAKeyPairGenerator.java on line 53. I
>> downloaded the sources for bcpg-jdk15on-159.jar and there doesn't seem to
>> be any jcajce or util folder and no sign of a JcaJceHelper class at all?
>>
>> Any input would be great.
>>
> Okay, more digging shows that the jcajce stuff is in the bcprov jar file.
> I have since added bcprov-jdk15on-159.jar and bcprov-ext-jdk15on-159.jar to
> my classpath. However, I am getting an error "cannot create cipher: No such
> provider: BC" from the following code:
>
>              PGPSecretKey        secretKey = new PGPSecretKey(PGPSignature.DEFAULT_CERTIFICATION,
> keyPair, identity, sha1Digest, null, null,
>             new JcaPGPContentSignerBuilder(keyPair.getPublicKey().getAlgorithm(),
> HashAlgorithmTags.SHA1),
>             new JcePBESecretKeyEncryptorBuilder(PGPEncryptedData.CAST5,
> sha1Digest).setProvider("BC").build(pas
>
> I'll have another look at this in the morning, but any help would still be
> grand.
>
> Thanks again,
> Russ
>
>>
>> Thanks for the wonderful library. I look forward to putting it to great
>> use.
>>
>> Russ
>>
>
>
>