TOTP (mangooio-core 6.2.0 API)

java.lang.Object
- io.mangoo.crypto.totp.TOTP

```
public final class TOTP
extends Object
```
Class which represents a Time-based One-time Password as per RFC 6238.
Refer to TOTPBuilder on how to generate a TOTP.

See Also:

RFC 6238

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`digits()`	Returns the number of digits of this `TOTP`.
`boolean`	`equals(Object obj)`
`int`	`hashCode()`
`HmacShaAlgorithm`	`hmacShaAlgorithm()`	Returns the `HmacShaAlgorithm` used to generate this `TOTP`.
`static TOTPBuilder`	`key(byte[] key)`	Returns a new `TOTPBuilder` instance initialized with the specified `key`.
`long`	`time()`	Returns the time (in milliseconds) used to generate this `TOTP`.
`long`	`timeStep()`	Returns the time step size (in milliseconds) used to generate this `TOTP`.
`String`	`value()`	Returns the time-based one time password value.

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - key
```
public static TOTPBuilder key(byte[] key)
```
    Returns a new TOTPBuilder instance initialized with the specified key.
    
    Parameters:
    
    key - the shared secret key
    
    Returns:
    
    a new TOTPBuilder instance.
    
    Throws:
    
    NullPointerException - if key is null.
  - value
```
public String value()
```
    Returns the time-based one time password value.
    
    Returns:
    
    the time-based one time password value.
  - time
```
public long time()
```
    Returns the time (in milliseconds) used to generate this TOTP.
    
    Returns:
    
    the time (in milliseconds) used to generate this TOTP.
  - hmacShaAlgorithm
```
public HmacShaAlgorithm hmacShaAlgorithm()
```
    Returns the HmacShaAlgorithm used to generate this TOTP.
    
    Returns:
    
    the HmacShaAlgorithm used to generate this TOTP.
  - digits
```
public int digits()
```
    Returns the number of digits of this TOTP.
    
    Returns:
    
    the number of digits of this TOTP.
  - timeStep
```
public long timeStep()
```
    Returns the time step size (in milliseconds) used to generate this TOTP.
    
    Returns:
    
    the time step size (in milliseconds) used to generate this TOTP.
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - equals
```
public boolean equals(Object obj)
```
    Overrides:
    
    equals in class Object