Navajo
Password Validator & Strength Evaluator
This library is no longer maintained.
Use Password Autofill Rules
in iOS 12, macOS Mojave, and Safari
to generate strong random passwords
according to your own validation criteria.
Navajo is named in honor of the famed code talkers of the Second World War.
Usage
Validating Password
NSString *password = @"abc123"
NJOPasswordValidator *validator = [NJOPasswordValidator standardValidator];
NSArray *failingRules = nil;
BOOL isValid = [validator validatePassword:password
failingRules:&failingRules];
if (!isValid) {
for (id <NJOPasswordRule> rule in failingRules) {
NSLog(@"- %@", [rule localizedErrorDescription]);
}
}
Available Validation Rules
- Allowed Characters
- Required Characters (e.g. lowercase, uppercase, decimal, symbol)
- Non-Dictionary Word
- Minimum / Maximum Length
- Predicate Match
- Regular Expression Match
- Block Evaluation
Evaluating Password Strength
Password strength is evaluated in terms of information entropy.
NJOPasswordStrength strength = [NJOPasswordStrengthEvaluator strengthOfPassword:password];
NSLog(@"%@", [NJOPasswordStrengthEvaluator localizedStringForPasswordStrength:strength]);
License
MIT
Contact
Mattt (@mattt)