On Sat, 29 Jun 2013 10:28:47 -0700 (PDT), gmsid...@gmail.com wrote: > I was wondering if there was a couple of words or things i > could add to the top of my python script to password > protect it so that it asks user for the password and then > after three tries it locks them out or says "access > denied" and closes/ends the script but if they get it > wright it proceeds on to the next line of the script total > noob here any help appreciated
How to correctly implement such features depends on what are you are protecting. Are you trying to protect another file on the same machine, the script itself? Is this a server-side script trying to authenticate a web client? Is this 'kid-sister' level protection or national security level of protection? We would need more details on what you're trying to accomplish. Also, good (i.e. real) security is notoriously difficult to get right. There are usually pre-built solutions you should make use of instead. >From your subject line it sounds like you're interested in access control. If this is on a controlled system you should instead make use of the pre-built operating systems access control features such as user accounts, file permission bits, group policies or Access Control Lists. If this is in an uncontrolled environment or you just want to protect a file on a USB stick from prying eyes you can encrypt the file with a strong symmetric cipher like AES. There are existing tools for doing this. Your Python script could be a wrapper around one of these. (There are certain security implications to be aware of when doing this.) There's also AES implementations available in various pure Python modules. (However these generally are not FIPS certified.) If you are a "total noob" attempting (real) security programming is a bad idea. -Modulok-
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