passwordtools

Dialogue boxes for user to enter username and password, where the password is hidden. Also a function for scrambling a password.

%Create password dialogue (hides password input).
% pass = uipassword       -display dialogue
% pass = uipassword(str)    -list of valid characters (default: char(32:126))
% pass = uipassword(str,lbl)  -dialogue heading (default: 'Enter Password')

%Create username and password dialogue (hides password input).
% [user,pass] = uilogin        -display dialogue
% [user,pass] = uilogin(valid)     -allowed characters (default: char(32:126))
% [user,pass] = uilogin(valid,heading) -dialogue heading (default: 'Login')

%Encrypt or decrypt a string (uses a key and MatLab number generator).
% code = strencrypt(text,key)     -encrypt a string using a custom key
% text = strencrypt(code,-key)     -decrypt a string
% [code,key] = strencrypt(text)     -encrypt using a random key