Apple iOS 4 Security Evaluation
Apple iOS 4 Security Evaluation
Apple iOS 4 Security Evaluation
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Worst-Case PasscodeGuessing Time (iPhone4)Passcode Length Complexity Time4 Numeric 18 minutes4 Alphanumeric 51 hours6 Alphanumeric 8 years8 Alphanumeric 13 thousand years8Alphanumeric,Complex2 million yearsAssuming 26 lowercase letters + 10 digits + 34 complex characters = 70 chars