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Merge pull request #451 from magebarf/master

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Fix entropy calculation
This commit is contained in:
Michael Starke
2016-04-18 10:04:28 +02:00
parent 312fa40eae 1e3e3e141c
commit d91b56e7b3
1 changed files with 10 additions and 5 deletions
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15
MacPass/NSString+MPPasswordCreation.m
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@@ -105,12 +105,17 @@ static NSString *mergeWithoutDuplicates(NSString* baseCharacters, NSString* cust
}
- (CGFloat)entropyWhithPossibleCharacterSet:(MPPasswordCharacterFlags)allowedCharacters orCustomCharacters:(NSString *)customCharacters {
CGFloat alphabetCount = customCharacters.length;
NSString *characters = nil;
if(nil == customCharacters) {
NSString *stringSet = allowedCharactersString(allowedCharacters);
alphabetCount = stringSet.length;
characters = allowedCharactersString(allowedCharacters);
}
CGFloat passwordLegnth = self.length;
return passwordLegnth * ( log10(alphabetCount) / log10(2) );
else {
NSString *characters = mergeWithoutDuplicates(
allowedCharactersString(allowedCharacters),
customCharacters);
}
CGFloat alphabetCount = characters.length;
CGFloat passwordLength = self.length;
return passwordLength * ( log10(alphabetCount) / log10(2) );
}
@end