org.bouncycastle.jcajce.spec
Class DHUParameterSpec

java.lang.Object
  org.bouncycastle.jcajce.spec.DHUParameterSpec

All Implemented Interfaces:

java.security.spec.AlgorithmParameterSpec

public class DHUParameterSpec

extends java.lang.Object

implements java.security.spec.AlgorithmParameterSpec

Parameter spec to provide Diffie-Hellman Unified model keys and user keying material.

Constructor Summary

DHUParameterSpec(java.security.KeyPair ephemeralKeyPair, java.security.PublicKey otherPartyEphemeralKey)
Base constructor for a Diffie-Hellman unified model using a key pair without user keying material.

DHUParameterSpec(java.security.KeyPair ephemeralKeyPair, java.security.PublicKey otherPartyEphemeralKey, byte[] userKeyingMaterial)
Base constructor for a Diffie-Hellman unified model using a key pair.

DHUParameterSpec(java.security.PrivateKey ephemeralPrivateKey, java.security.PublicKey otherPartyEphemeralKey)
Base constructor for a Diffie-Hellman unified model - calculation of our ephemeral public key is required and no user keying material is provided.

DHUParameterSpec(java.security.PrivateKey ephemeralPrivateKey, java.security.PublicKey otherPartyEphemeralKey, byte[] userKeyingMaterial)
Base constructor for a Diffie-Hellman unified model - calculation of our ephemeral public key is required.

DHUParameterSpec(java.security.PublicKey ephemeralPublicKey, java.security.PrivateKey ephemeralPrivateKey, java.security.PublicKey otherPartyEphemeralKey)
Base constructor for a Diffie-Hellman unified model without user keying material.

DHUParameterSpec(java.security.PublicKey ephemeralPublicKey, java.security.PrivateKey ephemeralPrivateKey, java.security.PublicKey otherPartyEphemeralKey, byte[] userKeyingMaterial)
Base constructor for a Diffie-Hellman unified model.

Method Summary

java.security.PrivateKey	getEphemeralPrivateKey() Return our ephemeral private key.
java.security.PublicKey	getEphemeralPublicKey() Return our ephemeral public key, null if it was not provided.
java.security.PublicKey	getOtherPartyEphemeralKey() Return the ephemeral other party public key.
byte[]	getUserKeyingMaterial() Return a copy of the user keying material, null if none is available.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DHUParameterSpec

public DHUParameterSpec(java.security.PublicKey ephemeralPublicKey,
                        java.security.PrivateKey ephemeralPrivateKey,
                        java.security.PublicKey otherPartyEphemeralKey,
                        byte[] userKeyingMaterial)

Base constructor for a Diffie-Hellman unified model.

Parameters:

ephemeralPublicKey - our ephemeral public key.

ephemeralPrivateKey - our ephemeral private key.

otherPartyEphemeralKey - the ephemeral public key sent by the other party.

userKeyingMaterial - key generation material to mix with the calculated secret.

DHUParameterSpec

public DHUParameterSpec(java.security.PublicKey ephemeralPublicKey,
                        java.security.PrivateKey ephemeralPrivateKey,
                        java.security.PublicKey otherPartyEphemeralKey)

Base constructor for a Diffie-Hellman unified model without user keying material.

Parameters:

ephemeralPublicKey - our ephemeral public key.

ephemeralPrivateKey - our ephemeral private key.

otherPartyEphemeralKey - the ephemeral public key sent by the other party.

DHUParameterSpec

public DHUParameterSpec(java.security.KeyPair ephemeralKeyPair,
                        java.security.PublicKey otherPartyEphemeralKey,
                        byte[] userKeyingMaterial)

Base constructor for a Diffie-Hellman unified model using a key pair.

Parameters:

ephemeralKeyPair - our ephemeral public and private key.

otherPartyEphemeralKey - the ephemeral public key sent by the other party.

userKeyingMaterial - key generation material to mix with the calculated secret.

DHUParameterSpec

public DHUParameterSpec(java.security.PrivateKey ephemeralPrivateKey,
                        java.security.PublicKey otherPartyEphemeralKey,
                        byte[] userKeyingMaterial)

Base constructor for a Diffie-Hellman unified model - calculation of our ephemeral public key is required.

Parameters:

ephemeralPrivateKey - our ephemeral private key.

otherPartyEphemeralKey - the ephemeral public key sent by the other party.

userKeyingMaterial - key generation material to mix with the calculated secret.

DHUParameterSpec

public DHUParameterSpec(java.security.KeyPair ephemeralKeyPair,
                        java.security.PublicKey otherPartyEphemeralKey)

Base constructor for a Diffie-Hellman unified model using a key pair without user keying material.

Parameters:

ephemeralKeyPair - our ephemeral public and private key.

otherPartyEphemeralKey - the ephemeral public key sent by the other party.

DHUParameterSpec

public DHUParameterSpec(java.security.PrivateKey ephemeralPrivateKey,
                        java.security.PublicKey otherPartyEphemeralKey)

Base constructor for a Diffie-Hellman unified model - calculation of our ephemeral public key is required and no user keying material is provided.

Parameters:

ephemeralPrivateKey - our ephemeral private key.

otherPartyEphemeralKey - the ephemeral public key sent by the other party.

Method Detail

getEphemeralPrivateKey

public java.security.PrivateKey getEphemeralPrivateKey()

Return our ephemeral private key.

Returns:

our ephemeral private key.

getEphemeralPublicKey

public java.security.PublicKey getEphemeralPublicKey()

Return our ephemeral public key, null if it was not provided.

Returns:

our ephemeral public key, can be null.

getOtherPartyEphemeralKey

public java.security.PublicKey getOtherPartyEphemeralKey()

Return the ephemeral other party public key.

Returns:

the ephemeral other party public key.

getUserKeyingMaterial

public byte[] getUserKeyingMaterial()

Return a copy of the user keying material, null if none is available.

Returns:

a copy of the user keying material, can be null.