On 16 August 2013 16:46, Swair Mehta <swairme...@gmail.com> wrote: > On 16-Aug-2013, at 7:49 AM, Unga <unga...@yahoo.com> wrote: > >> Hi all >> >> I have a requirement to encrypt files, in such a way identical files should >> generate identical ciphertexts. >> >> I plan to use aes-256-cbc cipher with 128-byte long non-guessable password >> per input file. Identical input files will be provided with identical >> passwords. >> >> 1. Is it no salt the way forward for me? >> >> > Identical salts(ivs) should work. No salt works as well. >
This would have the effect that two files which were identical at the beginning for the first x number of blocks (but different afterwards) would encrypt to the same first x number of blocks. Matt ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org
