On Monday 13 September 2010 21:48, Bryan Dixon wrote: > I am currently working on a research project that has need of a keyed > hash mechanism, currently we are using a standard hash provided in your > current version of busybox. This functionality to pass a phrase as a key > to one of the hashing mechanisms (sha1, md5, crc16/crc32) is provided by > openssl, which sadly isn't ported to android yet. I didn't know if you > have any plans of adding this functionality to your project?
What exactly do you need to achieve? > I could try and figure out how to do it myself; however, the learning > curve would dramatically slow my progress on the larger picture for the > research project. I have a few other options but this would be the best > solution for what I'm trying to do. I understood that you want me to do something, I do not fully understood what exactly. > An example of what I'd be looking for in context of the openssl command is: > openssl dgst -sha1 -hmac <"key"> <file> I am not a crypto guy. Please explain a bit more. >From a quick experiment it looks like w/o "-hmac KEY" part this command basically does sha1sum'ing. What does -hmac KEY do? It seeds sha1 somehow? How exactly? -- vda _______________________________________________ busybox mailing list [email protected] http://lists.busybox.net/mailman/listinfo/busybox
