On Oct 18, 11:24 am, badcathome <[email protected]> wrote: > Hello, I have the same problem. But I found a workaround. Don't know if this > is going to help you, though. > > instead of specifying the key and the iv do the following: > > memset( key_DES_1, 0x00, DES_EDE3::DEFAULT_KEYLENGTH ); > memset( iv_DES_1, 0x00, DES_EDE3::BLOCKSIZE ); > > the decrypted text/file is same as the original one. > > I've tried with AutoSeededRandomPool, but no luck. The decrypted text is > never the same as the original one. Does he mean the the input text can not > be larger than 56-bits or 7-bytes? I'm using 3-des. > If you have a solution for the one with specified key and iv, please let me > know. For 2- and 3-key TDEA, see http://www.cryptopp.com/wiki/Tdea (it looks like Geoff got the big problem).
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