org.bouncycastle.tls

Class TlsDHUtils

java.lang.Object

org.bouncycastle.tls.TlsDHUtils

public class TlsDHUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
TlsDHUtils()

Method Summary

Modifier and Type	Method and Description
static TlsDHConfig	createNamedDHConfig(TlsContext context, int namedGroup)
static DHGroup	getDHGroup(TlsDHConfig dhConfig)
static int	getMinimumFiniteFieldBits(int cipherSuite)
static DHGroup	getNamedDHGroup(int namedGroup)
static int	getNamedGroupForDHParameters(java.math.BigInteger p, java.math.BigInteger g)
static DHGroup	getStandardGroupForDHParameters(java.math.BigInteger p, java.math.BigInteger g)
static boolean	isDHCipherSuite(int cipherSuite)
static java.math.BigInteger	readDHParameter(java.io.InputStream input)
static TlsDHConfig	receiveDHConfig(TlsContext context, TlsDHGroupVerifier dhGroupVerifier, java.io.InputStream input)
static void	writeDHConfig(TlsDHConfig dhConfig, java.io.OutputStream output)
static void	writeDHParameter(java.math.BigInteger x, java.io.OutputStream output)

Methods inherited from class java.lang.Object

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

Constructor Detail

TlsDHUtils

public TlsDHUtils()

Method Detail

createNamedDHConfig

public static TlsDHConfig createNamedDHConfig(TlsContext context,
                                              int namedGroup)

getDHGroup

public static DHGroup getDHGroup(TlsDHConfig dhConfig)

getNamedDHGroup

public static DHGroup getNamedDHGroup(int namedGroup)

getMinimumFiniteFieldBits

public static int getMinimumFiniteFieldBits(int cipherSuite)

isDHCipherSuite

public static boolean isDHCipherSuite(int cipherSuite)

getNamedGroupForDHParameters

public static int getNamedGroupForDHParameters(java.math.BigInteger p,
                                               java.math.BigInteger g)

getStandardGroupForDHParameters

public static DHGroup getStandardGroupForDHParameters(java.math.BigInteger p,
                                                      java.math.BigInteger g)

receiveDHConfig

public static TlsDHConfig receiveDHConfig(TlsContext context,
                                          TlsDHGroupVerifier dhGroupVerifier,
                                          java.io.InputStream input)
                                   throws java.io.IOException

Throws:

java.io.IOException

readDHParameter

public static java.math.BigInteger readDHParameter(java.io.InputStream input)
                                            throws java.io.IOException

Throws:

java.io.IOException

writeDHConfig

public static void writeDHConfig(TlsDHConfig dhConfig,
                                 java.io.OutputStream output)
                          throws java.io.IOException

Throws:

java.io.IOException

writeDHParameter

public static void writeDHParameter(java.math.BigInteger x,
                                    java.io.OutputStream output)
                             throws java.io.IOException

Throws:

java.io.IOException