![]() Windows, Mac, Linux, iOS, Android) on the regular basis. Firewall, antivirus, or anti-malware software can block malicious software that can try to steal your access details. Use password generators that will help you auto generate the best possible password which will be strong and secure. If possible then use two step authentication. Lock your smartphone devices and computers. Be aware of unencrypted websites with HTTP protocol, you should prefer connections as https, ftps, smtps, sftp. Do not log in when you are connected to public Wifi, free VPN, or proxy. Avoid this option and prevent these tools from storing your log-in details. Web browsers or some web apps ask you to remember your password. Use passwords with at least 16 characters. Don’t ignore these messages and change your password if there is a reason. Paypal or Google informs their users about unusual log-in activity in their accounts. Don't share your passwords via the email address or text apps. Random letters and symbols are the way to go e.g. Avoid using dictionary words, postcodes, birthday dates, card numbers, or names in your password. Even well-trusted websites like Facebook have a history of security breaches so your username and password can be used for hacking other of your profiles. Always pick a new one for every account that you are creating. Parameters include password length, whether the password should be easy to say or read, and whether the password should have uppercase letters, lowercase letters, numbers, and symbols. And check if tr -cd '' doesn't let pass too much or too little.❓ 1. The LastPass password generator creates random passwords based on parameters set by you. You still need to check if the input from the user makes sense, if the output is actually $STRING_LENGTH long (you are using a random source!) and all of the rest, but you already have most, if not all of it. For extra security, all passwords are generated on your device and are not sent over the Internet. Then you run the one-liner from the top cat /dev/urandom | tr -cd '' | head -c 1000| sed -e "s///g" | head -c $STRING_LENGTH Protect your online presence by using Random Password Generator. (above is not tested, just to show what I meant) ![]() If you base your program on it you can just fill the variables with the chosen characters. You can use variables in sed, too, so something like (in one line for easy C&P) r1="A-Z" r2="0-9" r3="" cat /dev/urandom | tr -cd '' | head -c 1000| sed -e "s///g" | head -c 10 The function gen_pw() is a bit, how shall I put it, longwinded. # lower-case and upper-case letters, special-characters Pw="$(gshuf -e 2>/dev/null | tr -d "\\\r\n" | head -c $STRING_LENGTH)"Įlif ] thenĬase "$pw" lower-case and upper-case lettersĬase "$pw" lower-case letters and special-charactersĬase "$pw" upper-case letters and special-charactersĬase "$pw" lower-case letters, numbers and special-charactersĬase "$pw" upper-case letters, numbers and special-charactersĬase "$pw" lower-case and upper-case letters, numbers # trailing newline gets cut off and phrase gets cut to desired lengthįor char in "$((urandom_cat $DELIMITER) | fold -w 1)" do # then random characters from the array get combined to a password # send delimiter to urandom_cat and fills characters into an array If ] thenĮcho "$pw" | fold -w 1 | gshuf | tr -d "\\\r\n" echo # in case reshuffle option is ticked, phrase gets reshuffeld and printed out r Reshuffle characters of final password (pretty much useless, but mehh, who cares?) a u/l/b Use alphabet (upper-case/lower-case/both) # function generates random characters, delimiter gets send from function gen_char_pwĬat /dev/urandom | env LC_CTYPE=C tr -cd $DELIMITER | head -c 1000Īt least one argument out of a, n and s is required This was written on OS X and should work on Linux with minor tweaks (at least change all gshuf to shuf). ![]() At first it used numerous temporary files, changed that by using arrays. Yesterday, I was bored and decided to write a random password generator.
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