org.bouncycastle.tls

Class DefaultTlsDHGroupVerifier

java.lang.Object

org.bouncycastle.tls.DefaultTlsDHGroupVerifier

All Implemented Interfaces:

TlsDHGroupVerifier

public class DefaultTlsDHGroupVerifier
extends java.lang.Object
implements TlsDHGroupVerifier

Field Summary

Fields

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
boolean	accept(DHGroup dhGroup) Check whether the given DH group is acceptable for use.
protected boolean	areGroupsEqual(DHGroup a, DHGroup b)
protected boolean	areParametersEqual(java.math.BigInteger a, java.math.BigInteger b)
protected boolean	checkGroup(DHGroup dhGroup)
protected boolean	checkMinimumPrimeBits(DHGroup dhGroup)
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

groups

protected java.util.Vector groups

minimumPrimeBits

protected int minimumPrimeBits

Constructor Detail

DefaultTlsDHGroupVerifier

public DefaultTlsDHGroupVerifier()

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

DefaultTlsDHGroupVerifier

public DefaultTlsDHGroupVerifier(int minimumPrimeBits)

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

DefaultTlsDHGroupVerifier

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

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

Parameters:

groups - a Vector of acceptable DHGroups.

Method Detail

accept

public boolean accept(DHGroup dhGroup)

Description copied from interface: TlsDHGroupVerifier

Check whether the given DH group is acceptable for use.

Specified by:

accept in interface TlsDHGroupVerifier

Parameters:

dhGroup - the DHGroup to check

Returns:

true if (and only if) the specified group is acceptable

getMinimumPrimeBits

public int getMinimumPrimeBits()

areGroupsEqual

protected boolean areGroupsEqual(DHGroup a,
                                 DHGroup b)

areParametersEqual

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

checkGroup

protected boolean checkGroup(DHGroup dhGroup)

checkMinimumPrimeBits

protected boolean checkMinimumPrimeBits(DHGroup dhGroup)