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

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

On 14/06/18 10:40, Russell Haley wrote:
>
>
> On Wed, Jun 13, 2018 at 4:53 PM, Russell Haley <[email protected]
> <mailto:[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
>
>