使用Apache Crypto Commons时java.security.GeneralSecurityException CryptoCipher

Question

I'm attempting to use the code here for encryption https://commons.apache.org/proper/commons-crypto/xref-test/org/apache/commons/crypto/examples/CipherByteArrayExample.html . I copied the code word-for-word and I am not sure why I'm getting this exception as I can't find much on the issue. The only part that I changed was "StandardCharsets.UTF_8" to the String "UTF-8." I am also not interested in using Bouncy Castle or the java JCE as alternatives but am open to other libraries that use AES/DES in CBC/ECB modes (I am aware of the dangers of DES/ECB so no need for the lecture). Thank you.

EDIT:

Stack trace (Note that line 62 of Crypto.java is "CryptoCipher encipher=Utils.getCipherInstance(transform, properties) ):

    W/System.err: java.io.IOException: java.security.GeneralSecurityException: CryptoCipher {org.apache.commons.crypto.cipher.OpenSslCipher} is not available or transformation AES/CBC/PKCS5Padding is not supported.
                  at org.apache.commons.crypto.utils.Utils.getCipherInstance(Utils.java:130)
                  at com.example.me.cryptotest.Crypto.test(Crypto.java:62)
                  at com.example.me.cryptotest.MainActivity.onCreate(MainActivity.java:43)
                  at android.app.Activity.performCreate(Activity.java:7009)
                  at android.app.Activity.performCreate(Activity.java:7000)
                  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1214)
                  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2731)
    W/System.err: 
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2856)
                  at android.app.ActivityThread.-wrap11(Unknown Source:0)

    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1589)
                  at android.os.Handler.dispatchMessage(Handler.java:106)
                  at android.os.Looper.loop(Looper.java:164)
                  at android.app.ActivityThread.main(ActivityThread.java:6494)
                  at java.lang.reflect.Method.invoke(Native Method)
                  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
                  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
              Caused by: java.security.GeneralSecurityException: CryptoCipher {org.apache.commons.crypto.cipher.OpenSslCipher} is not available or transformation AES/CBC/PKCS5Padding is not supported.
                  at org.apache.commons.crypto.cipher.CryptoCipherFactory.getCryptoCipher(CryptoCipherFactory.java:176)

    at org.apache.commons.crypto.utils.Utils.getCipherInstance(Utils.java:128)
                ... 15 more

    W/System.err: Caused by: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
                  at org.apache.commons.crypto.utils.ReflectionUtils.newInstance(ReflectionUtils.java:90)
                  at org.apache.commons.crypto.cipher.CryptoCipherFactory.getCryptoCipher(CryptoCipherFactory.java:160)
                ... 16 more
              Caused by: java.lang.reflect.InvocationTargetException
                  at java.lang.reflect.Constructor.newInstance0(Native Method)
                  at java.lang.reflect.Constructor.newInstance(Constructor.java:334)
        W/System.err:     
at     org.apache.commons.crypto.utils.ReflectionUtils.newInstance(ReflectionUtils.java:88)
                ... 17 more

    Caused by: java.lang.RuntimeException: java.lang.RuntimeException: no native library is found for os.name=Linux and os.arch=x86
                  at org.apache.commons.crypto.cipher.OpenSslCipher.<init>(OpenSslCipher.java:59)
                ... 20 more
              Caused by: java.lang.RuntimeException: no native library is found for os.name=Linux and os.arch=x86
                  at org.apache.commons.crypto.NativeCodeLoader.findNativeLibrary(NativeCodeLoader.java:120)
                  at org.apache.commons.crypto.NativeCodeLoader.loadLibrary(NativeCodeLoader.java:62)
                  at org.apache.commons.crypto.NativeCodeLoader.<clinit>(NativeCodeLoader.java:50)
                  at org.apache.commons.crypto.NativeCodeLoader.isNativeCodeLoaded(NativeCodeLoader.java:261)
                  at org.apache.commons.crypto.Crypto.isNativeCodeLoaded(Crypto.java:84)
W/System.err:     at org.apache.commons.crypto.cipher.OpenSsl.<clinit>(OpenSsl.java:94)
                  at org.apache.commons.crypto.cipher.OpenSsl.getLoadingFailureReason(OpenSsl.java:114)
                  at org.apache.commons.crypto.cipher.OpenSslCipher.<init>(OpenSslCipher.java:57)
                ... 20 more

Answer 1

I see your problem here:

java.lang.RuntimeException: no native library is found for os.name=Linux and os.arch=x86

Looks like you are not using Oracle JVM. Possible your JVM is reporting different os.arch string then standard Oracle JVM, so you need to copy the native library from possibly linux/i386 to linux/x86 (wild guess). Fire a google search on this error no native library is found for os.name=Linux and os.arch=x86 , and playaround with your OS & JVM to help your runtime find the required native library(s).

Update: If you look at the `README.md' of the project on github . You will notice this:

Portable across various operating systems (currently only Linux/MacOSX/Windows); Apache Commons Crypto loads the library according to your machine environment (it checks system properties, os.name and os.arch).

And this is the dll structure they have in the code,

so you can override your System property 'os.arch' to load the native library as per your OS:

System.setProperty("os.arch", "@folder")

Just for reference, I am running the code in Windows 10 with Oracle JDK8, so my derived path is coming to /org/apache/commons/crypto/native/Windows/x86_64/commons-crypto.dll

Hope this will provide you more help in resolving the issue.