TlsAgreement (Bouncy Castle Library 1.70 API Specification)

All Known Implementing Classes:

BcTlsDH, BcTlsECDH, BcX25519, BcX448, JceTlsDH, JceTlsECDH, JceX25519, JceX448
```
public interface TlsAgreement
```
Base interface for ephemeral key agreement calculator.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`TlsSecret`	`calculateSecret()`	Calculate the agreed secret based on the calculator's current state.
`byte[]`	`generateEphemeral()`	Generate an ephemeral key pair, returning the encoding of the public key.
`void`	`receivePeerValue(byte[] peerValue)`	Pass in the public key for the peer to the agreement calculator.

- Method Detail
  - generateEphemeral
```
byte[] generateEphemeral()
                  throws java.io.IOException
```
    Generate an ephemeral key pair, returning the encoding of the public key.
    
    Returns:
    
    a byte encoding of the public key.
    
    Throws:
    
    java.io.IOException - in case of error.
  - receivePeerValue
```
void receivePeerValue(byte[] peerValue)
               throws java.io.IOException
```
    Pass in the public key for the peer to the agreement calculator.
    
    Parameters:
    
    peerValue - a byte encoding of the peer public key.
    
    Throws:
    
    java.io.IOException - in case of error.
  - calculateSecret
```
TlsSecret calculateSecret()
                   throws java.io.IOException
```
    Calculate the agreed secret based on the calculator's current state.
    
    Returns:
    
    the calculated secret.
    
    Throws:
    
    java.io.IOException - in case of error.