I think you cannot. As long as the block-size for the IV scheme is 512 bytes, you are stuck with encrypting 512 bytes at a time, as they have their own IV. Arno On Fri, Apr 20, 2012 at 05:28:54PM +0800, Rodel Miguel wrote: > Hi, > > I am implementing a hardware encryption driver but I am having some > performance issues. One of the areas of performance improvement that I am > thinking is to increase the number of bytes (unsigned int nbytes) that my > block cipher driver's encrypt/decrypt function gets; from 512 to 4096 > bytes. My hardware can be maximized to 4kbytes. Do you have any > suggestions how I can maximize the en/decrypt performance by getting more > than 512 bytes of data every time the block cipher's encrypt/decrypt is > called? > > Thank you very much for your help! > > Kind Regards, > Rodel > _______________________________________________ > dm-crypt mailing list > dm-crypt@xxxxxxxx > http://www.saout.de/mailman/listinfo/dm-crypt -- Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@xxxxxxxxxxx GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F ---- One of the painful things about our time is that those who feel certainty are stupid, and those with any imagination and understanding are filled with doubt and indecision. -- Bertrand Russell _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt