utils/security/otp_security library

Classes

OTPAttemptTracker

Rate limiter for OTP verification attempts.

OTPSecurityConfig

Security configuration for OTP/PIN input fields.

Functions

safeOTPCallback(void callback(String)?, String value, {String context = 'OTP callback'}) → void

Safely executes an OTP callback with error handling.

safeOTPVoidCallback(VoidCallback? callback, {String context = 'OTP void callback'}) → void

Safely executes a void callback with error handling.

validateOTPBorderRadius(double? radius, {required double defaultValue, bool? enableSecurity}) → double

Validates border radius within configured bounds.

validateOTPBorderWidth(double? width, {double defaultValue = 1.5, bool? enableSecurity}) → double

Validates border width within configured bounds.

validateOTPFontSize(double? fontSize, {required double defaultValue, bool? enableSecurity}) → double

Validates font size within configured bounds.

validateOTPLength(int? length, {int defaultValue = 6, bool? enableSecurity}) → int

Validates OTP length within configured bounds. Returns the validated length.

validateOTPSpacing(double? spacing, {required double defaultValue, bool? enableSecurity}) → double

Validates spacing between pins.

validatePinSize(double? size, {required double defaultValue, bool? enableSecurity}) → double

Validates pin box size within configured bounds.