org.bouncycastle.crypto.tls

Class DefaultTlsDHVerifier

java.lang.Object

org.bouncycastle.crypto.tls.DefaultTlsDHVerifier

All Implemented Interfaces:

TlsDHVerifier

public class DefaultTlsDHVerifier
extends java.lang.Object
implements TlsDHVerifier

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.util.Vector	DEFAULT_GROUPS
static int	DEFAULT_MINIMUM_PRIME_BITS
protected java.util.Vector	groups
protected int	minimumPrimeBits

Constructor Summary

Constructors

Constructor and Description
DefaultTlsDHVerifier() Accept various standard DH groups with 'P' at least DEFAULT_MINIMUM_PRIME_BITS bits.
DefaultTlsDHVerifier(int minimumPrimeBits) Accept various standard DH groups with 'P' at least the specified number of bits.
DefaultTlsDHVerifier(java.util.Vector groups, int minimumPrimeBits) Accept a custom set of group parameters, subject to a minimum bitlength for 'P'.

Method Summary

Modifier and Type	Method and Description
boolean	accept(DHParameters dhParameters) Check whether the given DH parameters are acceptable for use.
protected boolean	areGroupsEqual(DHParameters a, DHParameters b)
protected boolean	areParametersEqual(java.math.BigInteger a, java.math.BigInteger b)
protected boolean	checkGroup(DHParameters dhParameters)
protected boolean	checkMinimumPrimeBits(DHParameters dhParameters)
int	getMinimumPrimeBits()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_MINIMUM_PRIME_BITS

public static final int DEFAULT_MINIMUM_PRIME_BITS

See Also:

Constant Field Values

DEFAULT_GROUPS

protected static final java.util.Vector DEFAULT_GROUPS

groups

protected java.util.Vector groups

minimumPrimeBits

protected int minimumPrimeBits

Constructor Detail

DefaultTlsDHVerifier

public DefaultTlsDHVerifier()

Accept various standard DH groups with 'P' at least DEFAULT_MINIMUM_PRIME_BITS bits.

DefaultTlsDHVerifier

public DefaultTlsDHVerifier(int minimumPrimeBits)

Accept various standard DH groups with 'P' at least the specified number of bits.

DefaultTlsDHVerifier

public DefaultTlsDHVerifier(java.util.Vector groups,
                            int minimumPrimeBits)

Accept a custom set of group parameters, subject to a minimum bitlength for 'P'.

Parameters:

groups - a Vector of acceptable DHParameters.

Method Detail

accept

public boolean accept(DHParameters dhParameters)

Description copied from interface: TlsDHVerifier

Check whether the given DH parameters are acceptable for use.

Specified by:

accept in interface TlsDHVerifier

Parameters:

dhParameters - the DHParameters to check

Returns:

true if (and only if) the specified parameters are acceptable

getMinimumPrimeBits

public int getMinimumPrimeBits()

areGroupsEqual

protected boolean areGroupsEqual(DHParameters a,
                                 DHParameters b)

areParametersEqual

protected boolean areParametersEqual(java.math.BigInteger a,
                                     java.math.BigInteger b)

checkGroup

protected boolean checkGroup(DHParameters dhParameters)

checkMinimumPrimeBits

protected boolean checkMinimumPrimeBits(DHParameters dhParameters)