BloomFilterIVValidator (I2P Anonymous Network - Java Documentation - Version 1.5.0)

java.lang.Object
- net.i2p.router.tunnel.BloomFilterIVValidator

All Implemented Interfaces:

IVValidator
```
class BloomFilterIVValidator
extends Object
implements IVValidator
```
Manage the IV validation for all of the router's tunnels by way of a big decaying bloom filter.

Constructor Summary

Constructors
Constructor Description

BloomFilterIVValidator(RouterContext ctx, int KBps)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`destroy()`
`boolean`	`receiveIV(byte[] ivData, int ivOffset, byte[] payload, int payloadOffset)`	receive the IV for the tunnel message, returning true if it is valid, or false if it has already been used (or is otherwise invalid).

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - BloomFilterIVValidator
```
public BloomFilterIVValidator(RouterContext ctx,
                              int KBps)
```
    Parameters:
    
    KBps - share bandwidth
- Method Detail
  - receiveIV
```
public boolean receiveIV(byte[] ivData,
                         int ivOffset,
                         byte[] payload,
                         int payloadOffset)
```
    Description copied from interface: IVValidator
    
    receive the IV for the tunnel message, returning true if it is valid, or false if it has already been used (or is otherwise invalid). To prevent colluding attackers from successfully tagging the tunnel by switching the IV and the first block of the message, the validator should treat the XOR of the IV and the first block as the unique identifier, not the IV alone (since the tunnel is encrypted via AES/CBC). Thanks to dvorak for pointing out that tagging!
    
    Specified by:
    
    receiveIV in interface IVValidator
    
    Parameters:
    
    ivData - data will not be modified
    
    payload - will not be modified
  - destroy
```
public void destroy()
```