3 ms·
CCM is short for "Counter with CBC-MAC". I does also MAC the encrypted data and is equally slow as using a cipher and HMAC on top of it. A real speed improvemen
by Perseids 13y ago
CCM is short for "Counter with CBC-MAC". I does also MAC the encrypted data and is equally slow as using a cipher and HMAC on top of it. A real speed improvement would be the Galois Counter Mode.
- maxtaco 13y agoIn my experience, speed isn't an issue. The only slow part of any of this is PBKDF2, unless you're dealing with huge files (not the case in chat).