BasicAgreement (Bouncy Castle Library 1.68 API Specification)

All Known Subinterfaces:

StagedAgreement

All Known Implementing Classes:

DHBasicAgreement, ECDHBasicAgreement, ECDHCBasicAgreement, ECDHCStagedAgreement, ECMQVBasicAgreement, MQVBasicAgreement
```
public interface BasicAgreement
```
The basic interface that basic Diffie-Hellman implementations conforms to.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.math.BigInteger`	`calculateAgreement(CipherParameters pubKey)`	given a public key from a given party calculate the next message in the agreement sequence.
`int`	`getFieldSize()`	return the field size for the agreement algorithm in bytes.
`void`	`init(CipherParameters param)`	initialise the agreement engine.

- Method Detail
  - init
```
void init(CipherParameters param)
```
    initialise the agreement engine.
  - getFieldSize
```
int getFieldSize()
```
    return the field size for the agreement algorithm in bytes.
  - calculateAgreement
```
java.math.BigInteger calculateAgreement(CipherParameters pubKey)
```
    given a public key from a given party calculate the next message in the agreement sequence.