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[iaik-ssl] IllegalBlockSizeException when encrypting



Hi,
I'm using 3DES/CBC/PKCS5Padding cipher to encrypt 4 bytes of data. In 
some rare occasion, Cipher.doFinal(byte[]) throws an 
IllegalBlockSizeException . When encrypting the same bytes again, it 
does not throw the exception.
Actually, this exception is only thrown once per 5000 encryption actions 
(approximately).

As far as I understand, it should never throw an 
IllegalBlockSizeException when padding is used. Can anybody give some 
comments?

Thanks,
Tom

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Tom van den Berge                                tom.vandenberge@bibit.com
Development                                          V +31 (0)30 65 95 143
Bibit Internet Payments BV                           F +31 (0)30 65 64 464
Kosterijland 20                                              www.bibit.com
3981 AJ Bunnik
The Netherlands


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