StreamSegmentDecrypter

```
public interface StreamSegmentDecrypter
```
StreamSegmentDecrypter is a helper class that decrypts individual segments of a stream.
Instances of this interfaces are passed to StreamingAeadDecryptingChannel. Each instance must be initialized with the header of the ciphertext.

Since:

1.1.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`decryptSegment(java.nio.ByteBuffer ciphertext, int segmentNr, boolean isLastSegment, java.nio.ByteBuffer plaintext)`	Decrypts a ciphetext segment.
`void`	`init(java.nio.ByteBuffer header, byte[] aad)`

- Method Detail
  - init
```
void init(java.nio.ByteBuffer header,
          byte[] aad)
   throws java.security.GeneralSecurityException
```
    Throws:
    
    java.security.GeneralSecurityException
  - decryptSegment
```
void decryptSegment(java.nio.ByteBuffer ciphertext,
                    int segmentNr,
                    boolean isLastSegment,
                    java.nio.ByteBuffer plaintext)
             throws java.security.GeneralSecurityException
```
    Decrypts a ciphetext segment.
    
    Parameters:
    
    segmentNr - the number of the segment
    
    isLastSegment - true if this segment is the last segment of the ciphertext stream. The last segment is encrypted (or authenticated) differently to detect truncated ciphertext.
    
    plaintext - the decrypted plaintext.
    
    Throws:
    
    java.security.GeneralSecurityException - if ciphertext was not a valid ciphertext for the given segment.