On Wednesday, December 12, 2012 11:21:10 PM UTC-6, Nikolay Elenkov wrote:
>
> On Thu, Dec 13, 2012 at 11:55 AM, Matthew Fleming
> <mgf...@gmail.com<javascript:>>
> wrote:
> > I use the following code to encrypt a SecretKey with password-based
> > encryption:
> >
> > Cipher pbeEncryptCipher = Cipher.getInstance("PBEWithMD5AndDES");
>
> Try Cipher.getInstance("PBEWithMD5AndDES", "BC");
>
This does not work. Also, I tried specifying several other PBE ciphers, and
ran into the same problem.
>
> Also probably not a good idea to use both DES and MD5 in this day and
> age...
>
> >
>
> >
> > In Android 4.2, but not in any previous version as far as I can tell,
> this
> > throws a java.lang.UnsupportedOperationException. My understanding is
> that
> > this is the result of something missing from the cryptographic service
> > provider in Android 4.2, which was not missing in previous versions, ie
> an
> > Android bug.
> >
>
> This is probably due to the shift to using OpenSSL (backed classes) as
> the default
> provider for pretty much everything. Depending on how you look at it,
> it's not really
> a bug, but you might want to file it at http://b.android.com().
>
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