Passing AES encrypted packets between C++ and Java
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Thread: Passing AES encrypted packets between C++ and Java

  1. #1
    Join Date
    Jul 2003
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    7

    Passing AES encrypted packets between C++ and Java

    Hi,

    Does anyone have experience or a good example with this kind of code?

    I've written code that does this through sockets. Mainly - sends C++ packets to be decrypted on Java. After decryption the packets are gybrish. (Strings)

    I've tried CBS with NoPadding.
    Another issue I have which I temprorarly overcome with the NoPadding option is that JAVA would throw a Padding exception when trying to decrypt the block.

    This is the first time i'm trying to do something like this so I guess the best thing would be to find a working example of this.

    Thanks!

  2. #2
    Join Date
    Jul 2002
    Location
    Portsmouth. United Kingdom
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    2,694

    Re: Passing AES encrypted packets between C++ and Java

    Could it be something to do with the sizes of integers between Java & C++?
    "It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong."
    Richard P. Feynman

  3. #3
    Join Date
    May 2001
    Location
    Germany
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    Re: Passing AES encrypted packets between C++ and Java

    I wouldn't suspect the size, but the byte order. Java uses network byte order (big endian).

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