ChunkedMacVerification

```
public interface ChunkedMacVerification
```
An interface representing a verification of the Streaming MAC.
WARNING: Implementations of this interface are not thread-safe, so the caller must ensure thread-safety if accessing objects implementing this interface concurrently.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`update(java.nio.ByteBuffer data)`	Processes the next chunk of input, represented by `ByteBuffer data`.
`void`	`verifyMac()`	Verifies that the provided data matches the tag.

- Method Detail
  - update
```
void update(java.nio.ByteBuffer data)
     throws java.security.GeneralSecurityException
```
    Processes the next chunk of input, represented by ByteBuffer data. In particular, reads the data.remaining() number of bytes from the provided buffer, starting at the byte with position data.position().
    Updates the inner state of the computation. Requires exclusive access.
    NOTE: arbitrary slicing of data is permitted, i.e. a series of update()'s with inputs "ab", "cd", and "ef" produces the same result as a series of inputs "abc", "def".
    
    Throws:
    
    java.lang.IllegalStateException - if called after verifyMac()
    
    java.security.GeneralSecurityException - when something went wrong with the update
  - verifyMac
```
void verifyMac()
        throws java.security.GeneralSecurityException
```
    Verifies that the provided data matches the tag. After this method has been called, the object can no longer be used.
    Requires exclusive access.
    
    Throws:
    
    java.lang.IllegalStateException - when called more than once
    
    java.security.GeneralSecurityException - when the tag does not match the data