ok that's good for you but nobody can help me about my xml signature ?

Thanks



Brent Putman wrote:
> 
> 
> 
> [EMAIL PROTECTED] wrote:
>>
>> Very helpful information guys, thanx...
>>
>> I am using bouncycastle, which should handle ISO10126 padding even in 
>> 1.4 though, right?
> 
> Yes, I believe so, although I haven't tried it.  But that's the whole 
> point of the extensible security provider framework.
>  
> 
>> The issue then becomes, why isn't it finding the bouncycastle provider 
>> under 1.4 like it does under 1.5.
>>
>> I dump the providers and it is there, it just isn't being select (by 
>> Cipher?) like it is under 1.5.
>>
>> [2008-08-11 16:22:33,367] DEBUG: Provider=IBMJCE version 
>> 1.2:PBEWithSHA-1And128BitRC4
>> ...
>> [2008-08-11 16:22:33,368] DEBUG: Provider=IBMJCE version 1.2:AES
>> ...
>> [2008-08-11 16:22:33,372] DEBUG: Provider=BC version 
>> 1.4:RSA//ISO9796-1PADDING
>> ...
>> [2008-08-11 16:22:33,374] DEBUG: Provider=BC version 1.4:AES      <<<< 
>> target, based on sucessful trace
>> ...
>> [2008-08-11 16:22:33,382] DEBUG: Provider=SunJCE version 1.42:DES
>> [2008-08-11 16:22:33,382] DEBUG: Provider=SunJCE version 
>> 1.42:PBEWithMD5AndTripleDES
>> [2008-08-11 16:22:33,382] DEBUG: Provider=SunJCE version 1.42:AES
>> ...
> 
> 
> I'm not sure.  Assuming you're loading the providers in the same 
> relative order in 1.4 and 1.5: Maybe the provider lookup behavior in 
> java.security.Security is different in 1.4 vs. 1.5?  Maybe Sean knows.  
> Where are you loading the BC provider in the provider list relative to 
> the IBMJCE one?  If you're loading it after the IBM one, maybe the 
> lookup behavior is such that it resolves the 
> java.security.Provider.Service (type=Cipher) based only on the algorithm 
> (AES) or possibly algorithm + mode (CBC).  Then the IBM provider service 
> impl gets resolved first, but then doesn't support the padding.
> 
> The real test would be if you get different behavior from this:
> 
> 
> Cipher xmlEncCiperAES = Cipher.getInstance("AES/CBC/ISO10126Padding",
> "BC");
> 
> versus this:
> 
> Cipher xmlEncCiperAES = Cipher.getInstance("AES/CBC/ISO10126Padding");
> 
> 
> If the first works, but the latter doesn't (throws NoSuchPadding or 
> NoSuchAlgorithm exceptions), then that answers the question.
> 
> 
> If that proves to be the case:  Note that you can specify a particular 
> security provider to use in xmlsec for encryption/decryption with the 
> XMLCipher#getProviderInstance variants instead of the usual 
> XMLCipher#getInstance.  That will let you get around whatever preferred 
> order lookup behavior might be going on.
> 
> --Brent
> 
> 
> 
> 
> 
> 
> 

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