Unfortunately iText needs more than algorithms and RSA public/private
key implementation, most of those already present in jdk 1.4. There's
also PKCS#7 assembly and disassembly and other asn1 operations that the
jce doesn't give you. Even if jdk 1.5 could provide all that, iText
won't leave jdk 1.4 in the near future. By the way, the jce is still
used for the algorithms and signature, BouncyCastle is/will be used for
high level asn1 manipulation and a few other things. I fail to see why
you are so desperate to kill BouncyCastle and add layers of indirection
and multiple implementations, I have enough work as it is.
Maybe I'm missing the point here. If that's the case please prepare your
code implementation so that this can be discussed grounded on something
tangible.
Paulo
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of robert engels
> Sent: Friday, March 02, 2007 5:21 PM
> To: itext iText here
> Subject: [iText-questions] bouncy castle
>
> paul,
>
> I think you misunderstand the JCE system or what I am stating -
> although I did not use the term provider correctly in the strictest
> sense.
>
> The SUN provider in 1.5 includes significantly more cryptography
> algorithms than the 1.4 and prior releases - most importantly it
> includes an RSA public/private key implementation.
>
> One point you make that is almost correct, is that it does make it
> easier to easier to port to C#, but it is not a direct compile
> anyway, so I am not sure why the Java version wouldn't use JCE.
>
> Even so, supporting both easily only requires an additional layer of
> indirection, just create a PdfCryptography interface. There can be a
> implementation that uses JCE, and an implementation that uses bouncy
> castle directly. The C# version would probably only port over the
> 'bouncy castle' version.
>
> Maybe if you can explain why using bouncy castle directly is a good
> solution I could understand this, and why the extra layer of
> indirection is not a valid solution.
>
> Thanks,
> Robert
>
>
>
>
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