Hi Eva, > Is there a way to read in a large file in small blocks (while ensuring > that padding doesn't occur), ... > I am able to do it if the blocks are 4096 bytes or smaller What type of encryption are you using? (It sounds like asymmetric, but I'm not sure).
Jeff On 12/7/07, eva2002 <[EMAIL PROTECTED]> wrote: > > Hi, > > Is there a way to read in a large file in small blocks (while ensuring > that padding doesn't occur), encrypt the blocks separately, then write > the small encrypted blocks into a single large file and still be able > to decrypt the file as a whole, without splitting into small blocks > again ? > > I am able to do it if the blocks are 4096 bytes or smaller, but if > they are bigger (e.g 8192 bytes), the encrypted blocks are not 8192 > bytes, but rather 8194 or 8197 bytes or even larger. This means I'm > unable to decrypt the large file as a whole. > > I have to read from file so plaintext is a char* converted to string. > Also, I am using stringsource and stringsink, hence ciphertext is a > string. > > Thanks --~--~---------~--~----~------------~-------~--~----~ 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. -~----------~----~----~----~------~----~------~--~---
