I have find the answer: http://groups.google.com/group/cryptopp-users/browse_thread/thread/e162fb560251c801/61dd48c2cfef26a8?lnk=gst&q=same#61dd48c2cfef26a8
After the first decryption, the decrpytor object is in a certain state (which is not the initial state). Call Resyncronize( iv ) and then decrpyt again. Jeff -- You received this message because you are subscribed to the "Crypto++ Users" Google Group. To unsubscribe, send an email to [email protected]. More information about Crypto++ and this group is available at http://www.cryptopp.com.
