Package com.sshtools.common.ssh.components

Class DiffieHellmanGroups

java.lang.Object

com.sshtools.common.ssh.components.DiffieHellmanGroups

public class DiffieHellmanGroups
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DiffieHellmanGroups.DHGroup

Field Summary

Fields

Modifier and Type	Field	Description
static final BigInteger	group1
static final BigInteger	group14
static final BigInteger	group15
static final BigInteger	group16
static final BigInteger	group17
static final BigInteger	group18
static final BigInteger	group5
static final int	TESTS_COMPOSITE
static final int	TYPE_SAFE

Constructor Summary

Constructors

Constructor	Description
DiffieHellmanGroups()

Method Summary

Modifier and Type	Method	Description
static Collection<BigInteger>	allDefaultGroups()
static DiffieHellmanGroups.DHGroup	getSafePrime(com.sshtools.common.util.UnsignedInteger32 maximumSize)	get the biggest safe prime from the list that is <= maximumSize
static void	loadGroups(URI url)
static boolean	verifyParameters(BigInteger shared, BigInteger p)

Methods inherited from class java.lang.Object

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

Field Details

group1

public static final BigInteger group1

group5

public static final BigInteger group5

group14

public static final BigInteger group14

group15

public static final BigInteger group15

group16

public static final BigInteger group16

group17

public static final BigInteger group17

group18

public static final BigInteger group18

TYPE_SAFE

public static final int TYPE_SAFE

See Also:

• Constant Field Values

TESTS_COMPOSITE

public static final int TESTS_COMPOSITE

See Also:

• Constant Field Values

Constructor Details

DiffieHellmanGroups

public DiffieHellmanGroups()

Method Details

loadGroups

public static void loadGroups(URI url)
                       throws IOException

Throws:

IOException

verifyParameters

public static boolean verifyParameters(BigInteger shared,
 BigInteger p)

getSafePrime

public static DiffieHellmanGroups.DHGroup getSafePrime(com.sshtools.common.util.UnsignedInteger32 maximumSize)

get the biggest safe prime from the list that is <= maximumSize

Parameters:

maximumSize -

Returns:

BigInteger

allDefaultGroups

public static Collection<BigInteger> allDefaultGroups()