OtpConnection (core 2.1.0 API)

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable, YubiKeyConnection
```
public interface OtpConnection
extends YubiKeyConnection
```
A HID keyboard connection to a YubiKey, which uses feature reports to send and receive data.

Field Summary

Fields
Modifier and Type Field Description

static int FEATURE_REPORT_SIZE

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`receive(byte[] report)`	Read an 8 byte feature report from the YubiKey
`void`	`send(byte[] report)`	Writes an 8 byte feature report to the YubiKey.

Methods inherited from interface java.io.Closeable
close

- Field Detail
  - FEATURE_REPORT_SIZE
```
static final int FEATURE_REPORT_SIZE
```
    See Also:
    
    Constant Field Values
- Method Detail
  - send
```
void send(byte[] report)
   throws java.io.IOException
```
    Writes an 8 byte feature report to the YubiKey.
    
    Parameters:
    
    report - the feature report data to write.
    
    Throws:
    
    java.io.IOException - in case of a write failure
  - receive
```
void receive(byte[] report)
      throws java.io.IOException
```
    Read an 8 byte feature report from the YubiKey
    
    Parameters:
    
    report - a buffer to read into
    
    Throws:
    
    java.io.IOException - in case of a read failure