Oh, well, got it, thanks. http://www.codeproject.com/KB/security/BlockCiphers.aspx I was asking this, because this page`s table "Plain Text versus Cipher Text Sizes" confused me. Thanks again :)
On 5 авг, 12:38, "Elias Önal" <[email protected]> wrote: > The famous Huffman encryption usually produces smaller, but sometimes > bigger ciphertexts. But common algorithms like Triple-ROT13 should keep > the same size! :P > > Seriously, smaller isn't possible since you'd lose data (Usually you > can't compress entropy) - And bigger... no one would want to use that > since we have better alternatives which don't bloat the ciphertext. In > some cases you have to add padding till a multiple of the blocksize, but > since it is added to the plaintext they still remain the same size. > Asymmetric encryption often adds heaps of bloat but that's a different > story. > > > > Andy Lewis wrote: > > Hello, > > > I`d like to know, after encrypting PlainText in any of BlockCipher/in > > any of mode, are CipherText and PlainText always same length? Or are > > there some modes or ciphers, which produce CipherText, that is longer/ > > shorter that PlainText? -- 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.
