On Wed, Jan 07, 2009, a_l t wrote: > Hi, > > I'm using the fips approved OpenSSL to do AES encryption in ISDN, therefore, > I need to use the fips_128_AES_OFB function. > If I understand correctly this function works on a 128bit (16 byte) block, > so if I want to use it on larger blocks I need to call it in a loop. > This is different from the AES_CBC function which works on every block size > (as long as it is aligned to 128bit). > Is there another OFB function which knows to handle different block sizes or > loop is the only way. >
For the 1.2 modules you *must* use the EVP interface and not the low level APIs. Any looping is automatically handled by EVP. Steve. -- Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage OpenSSL project core developer and freelance consultant. Homepage: http://www.drh-consultancy.demon.co.uk ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org
