Add in AES OFB modes support (128, 192 and 256 bits)
Add in AES OFB modes support (128, 192 and 256 bits)

svn path=/trunk/kdesupport/qca/; revision=401196

highfidelity/qca,oktavarium/qca,oktavarium/qca,Esf-Software/qca,Bjoe/qca,sladage/qca,KDE/qca,Bjoe/qca,karolherbst/qca,sladage/qca,KDE/qca,karolherbst/qca,Bjoe/qca,Esf-Software/qca,JoshuaKolden/qca,karolherbst/qca,Esf-Software/qca,JoshuaKolden/qca,sladage/qca,Esf-Software/qca,highfidelity/qca,sladage/qca,JoshuaKolden/qca,oktavarium/qca,highfidelity/qca,JoshuaKolden/qca,highfidelity/qca,KDE/qca,Bjoe/qca,oktavarium/qca,KDE/qca,karolherbst/qca