org.spongycastle.tls

Class DefaultTlsDHConfigVerifier

java.lang.Object

org.spongycastle.tls.DefaultTlsDHConfigVerifier

All Implemented Interfaces:

TlsDHConfigVerifier

public class DefaultTlsDHConfigVerifier
extends java.lang.Object
implements TlsDHConfigVerifier

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
DefaultTlsDHConfigVerifier() Accept named groups and various standard DH groups with 'P' at least DEFAULT_MINIMUM_PRIME_BITS bits.
DefaultTlsDHConfigVerifier(int minimumPrimeBits) Accept named groups and various standard DH groups with 'P' at least the specified number of bits.
DefaultTlsDHConfigVerifier(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(TlsDHConfig dhConfig) Check whether the given DH configuration 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(TlsDHConfig dhConfig)
protected boolean	checkMinimumPrimeBits(TlsDHConfig dhConfig)
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

DefaultTlsDHConfigVerifier

public DefaultTlsDHConfigVerifier()

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

DefaultTlsDHConfigVerifier

public DefaultTlsDHConfigVerifier(int minimumPrimeBits)

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

DefaultTlsDHConfigVerifier

public DefaultTlsDHConfigVerifier(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(TlsDHConfig dhConfig)

Description copied from interface: TlsDHConfigVerifier

Check whether the given DH configuration is acceptable for use.

Specified by:

accept in interface TlsDHConfigVerifier

Parameters:

dhConfig - the TlsDHConfig to check

Returns:

true if (and only if) the specified configuration 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(TlsDHConfig dhConfig)

checkMinimumPrimeBits

protected boolean checkMinimumPrimeBits(TlsDHConfig dhConfig)