[keycloak-user] Crypto

Remi Cartier remi.cartier at imetrik.com
Mon Oct 5 16:38:09 EDT 2015

Hy guys,

I am trying to use some crypto to match hashes from my old db.
The code is :

            KeySpec keySpec = new PBEKeySpec(password.toCharArray(), salt.getBytes(), 2048, 160);
            SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
            byte[] hash = secretKeyFactory.generateSecret(keySpec).getEncoded();

I cant make it work as a federation provider.

it was complaining about java.lang.ClassNotFoundException: javax.crypto.spec.PBEKeySpec

I added jce.jar to the list of dependencies in my module.xml (I shouldn’t have to do that)

Then I got :

ClassNotFoundException: sun.security.jca.GetInstance

I added rt.jar (which I shouldn’t do either)

and then I got some fancy exception : java.lang.LinkageError: loader constraint violation

I then tried with bouncy castle : bcprov-jdk15on-152.jar to no avail.

what is wrong ?

here is my module.xml file :

<?xml version="1.0" encoding="UTF-8"?>
<module xmlns="urn:jboss:module:1.1" name="com.imetrik.saas.server.services.insuranceWebUIBackend.dao.federation">
        <resource-root path="insuranceWebUIBackend-lib-2.0.5-SNAPSHOT.jar"/>
        <resource-root path="jdbi-2.63.1.jar"/>
        <resource-root path="postgresql-9.4-1203-jdbc4.jar"/>
        <resource-root path="slf4j-api-1.7.12.jar"/>
        <resource-root path="slf4j-simple-1.7.12.jar"/>
        <resource-root path="global-library-common-2.0.4.jar"/>
        <resource-root path="jce.jar"/>
        <resource-root path="bcprov-jdk15on-152.jar"/>
        <module name="org.keycloak.keycloak-core"/>
        <module name="org.keycloak.keycloak-model-api"/>



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