Uses of Class
io.github.pratiyush.totp.TOTPException

Packages that use TOTPException

Package	Description
io.github.pratiyush.totp	Production-Ready TOTP Library - Null Safety Declaration.
io.github.pratiyush.totp.internal	Internal implementation classes for the TOTP library.

Uses of TOTPException in io.github.pratiyush.totp

Methods in io.github.pratiyush.totp that return TOTPException

Modifier and Type	Method	Description
static TOTPException	TOTPException.hmacError(Throwable cause)	Creates an exception for HMAC errors.
static TOTPException	TOTPException.internalError(String message, Throwable cause)	Creates an exception for internal errors.
static TOTPException	TOTPException.invalidCode(String reason)	Creates an exception for invalid codes.
static TOTPException	TOTPException.invalidConfig(String reason)	Creates an exception for invalid configuration.
static TOTPException	TOTPException.invalidSecret(String reason)	Creates an exception for invalid secrets.
static TOTPException	TOTPException.qrGenerationError(Throwable cause)	Creates an exception for QR generation errors.

Methods in io.github.pratiyush.totp that throw TOTPException

Modifier and Type	Method	Description
static String	QRCodeGenerator.buildOtpauthUri(String secret, String account, String issuer)	Builds an otpauth URI with default configuration.
static String	QRCodeGenerator.buildOtpauthUri(String secret, String account, String issuer, TOTPConfig config)	Builds an otpauth URI for TOTP.
String	TOTP.generate(String base32Secret)	Generates a TOTP code for the current time.
String	TOTP.generateAt(String base32Secret, Instant instant)	Generates a TOTP code for a specific instant.
static String	QRCodeGenerator.generateBase64(String secret, String account, String issuer, int size)	Generates a QR code as Base64 encoded PNG.
static String	QRCodeGenerator.generateBase64(String secret, String account, String issuer, int size, TOTPConfig config)	Generates a QR code as Base64 encoded PNG with custom configuration.
static String	QRCodeGenerator.generateDataUri(String secret, String account, String issuer, int size)	Generates a data URI for embedding in HTML.
String	TOTP.generateForCounter(String base32Secret, long counter)	Generates a TOTP code for a specific counter value.
static BufferedImage	QRCodeGenerator.generateImage(String secret, String account, String issuer, int size)	Generates a QR code image.
static BufferedImage	QRCodeGenerator.generateImage(String secret, String account, String issuer, int size, TOTPConfig config)	Generates a QR code image with custom configuration.
static void	QRCodeGenerator.saveToFile(String secret, String account, String issuer, Path path, int size)	Saves a QR code to a file.
static void	QRCodeGenerator.saveToFile(String secret, String account, String issuer, Path path, int size, TOTPConfig config)	Saves a QR code to a file with custom configuration.
boolean	TOTP.verify(String base32Secret, String code)	Verifies a TOTP code.
boolean	TOTP.verify(String base32Secret, String code, @Nullable String userId)	Verifies a TOTP code with user-specific replay protection.
TOTP.VerificationResult	TOTP.verifyWithDetails(String base32Secret, String code)	Verifies a code and returns detailed result.
static void	QRCodeGenerator.writeTo(String secret, String account, String issuer, OutputStream out, String format, int size)	Writes a QR code to an output stream.

Uses of TOTPException in io.github.pratiyush.totp.internal

Methods in io.github.pratiyush.totp.internal that throw TOTPException

Modifier and Type	Method	Description
static byte[]	HMACProvider.compute(Algorithm algorithm, byte[] key, byte[] data)	Computes HMAC using the specified algorithm.
static byte[]	HMACProvider.compute(String algorithmName, byte[] key, byte[] data)	Computes HMAC using the specified algorithm name.
static byte[]	Base32Codec.decode(String encoded)	Decodes a Base32 string to binary data.
static String	TOTPEngine.generateCode(byte[] secret, long counter, TOTPConfig config)	Generates a TOTP code for the given secret and counter.
static String	TOTPEngine.generateCode(byte[] secret, TOTPConfig config, TOTPClock clock)	Generates a TOTP code for the current time.
static String	TOTPEngine.generateCodeAt(byte[] secret, Instant instant, TOTPConfig config)	Generates a TOTP code for a specific instant.
static void	TOTPEngine.validateBase32Secret(String base32Secret)	Validates a Base32 encoded secret.
static void	TOTPEngine.validateSecret(byte[] secret)	Validates that the secret meets minimum security requirements.
static boolean	TOTPEngine.verifyCode(byte[] secret, String code, TOTPConfig config, TOTPClock clock)	Verifies a TOTP code using constant-time comparison.
static Integer	TOTPEngine.verifyCodeWithOffset(byte[] secret, String code, TOTPConfig config, TOTPClock clock)	Verifies a code and returns the matching counter offset if valid.