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encryption and decryption of mutimedia files
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prasad hagargi
Ranch Hand
Joined: Oct 21, 2002
Posts: 36
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hi there,
how can i encrypt and decrypt mutimedia files using DES algorithm or any,iam trying read these files using objectinputsream and write using objectoutputstream.but iam getting "javax.crypto.Illegal BlockSizeException: Input length (with padding) not multiple of 8 bytes "exception.Please let me know ASAP what should be my aproach,should i use Java media Freamework API.
--Prasad
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Jeroen Wenting
Ranch Hand
Joined: Oct 12, 2000
Posts: 5093
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I guess you get the error when encrypting?
Pad the input to be a multiple of 8 bytes and it should go away.
Then after decoding remove the padding again (you can use an extra datablock appended to the data (8 bytes of course because of the DES requiring that) to determine how many bytes to remove).
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subject: encryption and decryption of mutimedia files
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