Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Tue, Dec 6, 2011 at 1:51 PM, Eduardo Diaz - Gmail <ediazrod at gmail.com> wrote: > Hi to all. > > I use on-line verification for my drbd instalation but I try find some > documentation about "message digest algorithm supported by the kernel > crypto API". "cat /proc/crypto" will produce a list; you can use any of the algorithms marked "type: shash". > First I try to find what algorithm is less CPU use.. > > I dont find any information only here. > > http://en.wikipedia.org/wiki/Cryptographic_hash_function > > What is the algorithm that use less CPU? crc32c is just a cheap checksum, not a full-blown crypto hash, but you can use it for DRBD verification purposes. > What is the algorithm that has less probability to have a Collision ? Feel free to peruse the literature (or google) on that one. For collision probabilities in SHA-1, for example, this is a rather amusing appraisal: http://theblogthatnoonereads.davegrijalva.com/2009/09/25/sha-1-collision-probability/ Hope this helps. Cheers, Florian