org.bouncycastle.jcajce.spec
Class TLSKeyMaterialSpec

java.lang.Object
  |
  +--org.bouncycastle.jcajce.spec.TLSKeyMaterialSpec

All Implemented Interfaces:

java.security.spec.KeySpec

public class TLSKeyMaterialSpec

extends java.lang.Object

implements java.security.spec.KeySpec

Key Spec class for generating TLS key/iv material.

Field Summary

static java.lang.String	KEY_EXPANSION
static java.lang.String	MASTER_SECRET

Constructor Summary

TLSKeyMaterialSpec(byte[] secret, java.lang.String label, int length, byte[] seedMaterial1, byte[] seedMaterial2)
Constructor specifying the basic parameters for a TLS KDF

TLSKeyMaterialSpec(byte[] secret, java.lang.String label, int length, byte[] seedMaterial1, byte[] seedMaterial2, byte[] seedMaterial3)
Constructor specifying the basic parameters for a TLS KDF

Method Summary

java.lang.String	getLabel() Return the label associated with this spec.
int	getLength() Return the number of bytes of key material to be generated for this spec.
byte[]	getSecret() Return the secret associated with this spec.
byte[]	getSeed() Return the full seed for the spec.

Methods inherited from class java.lang.Object

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

Field Detail

MASTER_SECRET

public static final java.lang.String MASTER_SECRET

KEY_EXPANSION

public static final java.lang.String KEY_EXPANSION

Constructor Detail

TLSKeyMaterialSpec

public TLSKeyMaterialSpec(byte[] secret,
                          java.lang.String label,
                          int length,
                          byte[] seedMaterial1,
                          byte[] seedMaterial2)

Constructor specifying the basic parameters for a TLS KDF

Parameters:

secret - secret to use

label - e.g. 'master secret', or 'key expansion'

length - number of bytes of material to be generated

seedMaterial1 - first element of seed material

seedMaterial2 - second element of seed material

TLSKeyMaterialSpec

public TLSKeyMaterialSpec(byte[] secret,
                          java.lang.String label,
                          int length,
                          byte[] seedMaterial1,
                          byte[] seedMaterial2,
                          byte[] seedMaterial3)

Constructor specifying the basic parameters for a TLS KDF

Parameters:

secret - secret to use

label - e.g. 'master secret', or 'key expansion'

length - number of bytes of material to be generated

seedMaterial1 - first element of seed material

seedMaterial2 - second element of seed material

seedMaterial3 - third element of seed material

Method Detail

getLabel

public java.lang.String getLabel()

Return the label associated with this spec.

Returns:

the label to be used with the TLS KDF.

getLength

public int getLength()

Return the number of bytes of key material to be generated for this spec.

Returns:

the length in bytes of the result.

getSecret

public byte[] getSecret()

Return the secret associated with this spec.

Returns:

a copy of the secret.

getSeed

public byte[] getSeed()

Return the full seed for the spec.

Returns:

a copy of the seed.