On Wed, Oct 31, 2012 at 6:59 AM, artmel <tw4...@gmail.com> wrote:
> I am working on an Android project in Eclipse that uses encryption. The
> code contains the following line:
>
> Cipher en = Cipher.getInstance("AES/ECB/NOPADDING");
>
> Eclipse complains about the line of code with: "Unhandled exception type
> NoSuchAlgorithmException" and "Unhandled exception type
> NoSuchPaddingException".
>
yes, because CIpher.geIntance can throw throw those two checked exceptions,
so you program has to deal with them.
> I wrote a simple encrypt/decrypt java program with a text editor outside
> Eclipse that contained that line of code. The program compiled and ran from
> the command line correctly, didn't throw any exceptions, and encrypted and
> decrypted properly.
>
javac from the command like is going to make you either catch or declare
these exceptions as well.
This tells me that there is a provider properly installed on the machine
> that supports that algorithm and padding but for some reason Eclipse
> doesn't see or cant find some necessary file. I've tried looking through
> various directories and changed Eclipse's search paths several times with
> no luck. Any ideas?
>
this doesn't seem to have anything to do with eclipse, just your lack of
catching these exceptions or declaring that they are thrown.
-bri
> <http://stackoverflow.com/questions/tagged/android>
>
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