Package de.uniks.networkparser.bytes

Class RSAKey

java.lang.Object

de.uniks.networkparser.bytes.RSAKey

public class RSAKey
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	BEGINPRIVATEKEY
static java.lang.String	BEGINPUBLICKEY
static java.lang.String	ENDPRIVATEKEY
static java.lang.String	ENDPUBLICKEY
static java.lang.Byte	RSABYTE
static int	SAFESIZE
static java.lang.String	TAG

Constructor Summary

Constructors

Constructor	Description
RSAKey(java.math.BigInteger N)

Method Summary

Modifier and Type	Method	Description
java.lang.StringBuilder	decrypt(java.lang.String message)
java.lang.StringBuilder	decrypt(java.math.BigInteger message)	Performs the classical RSA computation.
java.lang.StringBuilder	encrypt(java.lang.String value)	Performs the classical RSA computation.
java.lang.StringBuilder	encrypt(java.lang.String value, int group)
java.math.BigInteger	encrypt(java.math.BigInteger message)	Performs the classical RSA computation.
static RSAKey	generateKey()
static RSAKey	generateKey(int max)
static RSAKey	generateKey(int p, int q, int max)
static RSAKey	generateKey(java.math.BigInteger p, java.math.BigInteger q, int max)
static RSAKey	getDecryptKey(java.math.BigInteger n, java.math.BigInteger privateKey)
java.math.BigInteger	getModulus()
java.math.BigInteger	getPrivateKey()
DERBuffer	getPrivateStream()
java.math.BigInteger	getPublicKey()
DERBuffer	getPublicStream()
DERBuffer	getStream(java.math.BigInteger key)
Entity	sign(Entity value)
java.lang.String	toString()
RSAKey	withPrivateKey(java.math.BigInteger value)
RSAKey	withPubExp(int value)	Sets the public exponent.
RSAKey	withPubExp(java.math.BigInteger value)	Sets the public exponent.
RSAKey	withPublicKey(java.math.BigInteger value)

Methods inherited from class java.lang.Object

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

Field Detail

BEGINPUBLICKEY

public static final java.lang.String BEGINPUBLICKEY

See Also:

Constant Field Values

ENDPUBLICKEY

public static final java.lang.String ENDPUBLICKEY

See Also:

Constant Field Values

BEGINPRIVATEKEY

public static final java.lang.String BEGINPRIVATEKEY

See Also:

Constant Field Values

ENDPRIVATEKEY

public static final java.lang.String ENDPRIVATEKEY

See Also:

Constant Field Values

RSABYTE

public static final java.lang.Byte RSABYTE

SAFESIZE

public static final int SAFESIZE

See Also:

Constant Field Values

TAG

public static final java.lang.String TAG

See Also:

Constant Field Values

Constructor Detail

RSAKey

public RSAKey(java.math.BigInteger N)

Method Detail

withPublicKey

public RSAKey withPublicKey(java.math.BigInteger value)

getPublicKey

public java.math.BigInteger getPublicKey()

withPrivateKey

public RSAKey withPrivateKey(java.math.BigInteger value)

getPrivateKey

public java.math.BigInteger getPrivateKey()

getModulus

public java.math.BigInteger getModulus()

withPubExp

public RSAKey withPubExp(java.math.BigInteger value)

Sets the public exponent.

Parameters:

value - The the Public Exponent

Returns:

ThisComponent

withPubExp

public RSAKey withPubExp(int value)

Sets the public exponent.

Parameters:

value - The the Public Exponent

Returns:

ThisComponent

encrypt

public java.math.BigInteger encrypt(java.math.BigInteger message)

Performs the classical RSA computation.

Parameters:

message - Encrypt a Message

Returns:

Encoded Message

encrypt

public java.lang.StringBuilder encrypt(java.lang.String value)

Performs the classical RSA computation.

Parameters:

value - Enscript the Value

Returns:

the enscripted Message

decrypt

public java.lang.StringBuilder decrypt(java.lang.String message)

decrypt

public java.lang.StringBuilder decrypt(java.math.BigInteger message)

Performs the classical RSA computation.

Parameters:

message - Message to descrypt

Returns:

the descrypted Message

sign

public Entity sign(Entity value)

encrypt

public java.lang.StringBuilder encrypt(java.lang.String value,
                                       int group)

generateKey

public static RSAKey generateKey(int p,
                                 int q,
                                 int max)

generateKey

public static RSAKey generateKey()

generateKey

public static RSAKey generateKey(int max)

generateKey

public static RSAKey generateKey(java.math.BigInteger p,
                                 java.math.BigInteger q,
                                 int max)

getDecryptKey

public static RSAKey getDecryptKey(java.math.BigInteger n,
                                   java.math.BigInteger privateKey)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getPublicStream

public DERBuffer getPublicStream()

getPrivateStream

public DERBuffer getPrivateStream()

getStream

public DERBuffer getStream(java.math.BigInteger key)