I did some reading and it sounds like md5 and sha1 should both be deprecated in favor of sha256.
On Fri, Jun 7, 2013 at 10:57 AM, Dar Scott <d...@swcp.com> wrote: > Right. There is a little bit of overhead for padding for both md5 and > sha1 (they use the same padding method), as a string a multiple of 64-bytes > is created. Then each resulting 64-byte block is processed; this is > linear. The methods are very similar, an important difference being the > number of 32-bit chaining variables; md5 has four and sha1 has five. (The > final values are the hash.) That is a factor in making the sha1 basic > operation take longer, and thus the whole process take longer. (We could > look it up and count all the XOR, SHIFT, OR and AND operations, but you can > imagine there would be more in scrambling five things instead of > four--well, scrambled along with a portion of the block.) > > I empathize your arrrgh. > > Dar > > > > On Jun 7, 2013, at 9:18 AM, Geoff Canyon wrote: > > > On Wed, Jun 5, 2013 at 5:14 PM, Alex Tweedly <a...@tweedly.net> wrote: > > > >> Your code has a minor bug :-) > >> > >> You "get MD5Digest(S[1]) " > >> instead of using S[i] > >> > > > > > > Arrrrrrrrgh!!! ;-) > > > > Interestingly, md5 appears to scale roughly linearly on the length of the > > strings. 100x as long string means about 15x as long to md5, while 1000x > as > > long string means about 120x as long to md5. sha1 is longer but scales > > similarly. > > _______________________________________________ > > use-livecode mailing list > > use-livecode@lists.runrev.com > > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > > http://lists.runrev.com/mailman/listinfo/use-livecode > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
