gov.lanl.TMCryptography
Class IButtonAux

java.lang.Object
  |
  +--gov.lanl.TMCryptography.IButtonAux

public class IButtonAux

extends java.lang.Object

IButtonAux uses native calls to Dalas Semiconductor DLL to communicate with iButton hardware

Version:

05/18/98

Author:

Eugene Gavrilov

Field Summary

static int	CIB_MODULUS
static int	CIB_PRIVATE_EXP
static int	CIB_PUBLIC_EXP
static int	DECRYPT_CIB_KEY
static int	ENCRYPT_CIB_KEY
static int	ENCRYPT_OUT_KEY
static int	GROUP_CERTIFICATE
static int	GROUP_INFO
static int	INPUT1
static int	OUT_EXPONENT
static int	OUT_MODULUS
static int	OUTPUT1
static int	OUTPUT2
static int	PADDING
static int	PARALLEL_ADAPTER
static int	PRIVATE_KEY_CRYPT
static int	PUBLIC_KEY_CRYPT
static int	REG_NUMBER
static int	SERIAL_ADAPTER
static int	SIGN_CIB_KEY
static int	SIGN_COUNT
static int	TIMESTAMP

Constructor Summary

IButtonAux()
IButtonAux constructor

IButtonAux(int numbits, int exTime)

Method Summary

X509Certificate	createCertificate(Name subject, java.security.PublicKey pk, Name issuer, AlgorithmID algorithm, boolean extensions) Creates public certificate
byte[]	crypt(byte[] textIn, int flag, int blksize) encrypts/decrypts message with either private/public keys
void	findButton() Checks parallel adapter, port and iButton
byte[]	getExponent()
byte[]	getModulus()
RSAPublicKey	getPublicKey() Creates public key out of modulus and exponent from the iButton
byte[]	sign(byte[] data) signs message with iButton private key

Methods inherited from class java.lang.Object

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

Field Detail

CIB_PUBLIC_EXP

public static final int CIB_PUBLIC_EXP

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Constant Field Values

CIB_MODULUS

public static final int CIB_MODULUS

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Constant Field Values

CIB_PRIVATE_EXP

public static final int CIB_PRIVATE_EXP

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Constant Field Values

INPUT1

public static final int INPUT1

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Constant Field Values

SIGN_COUNT

public static final int SIGN_COUNT

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Constant Field Values

TIMESTAMP

public static final int TIMESTAMP

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Constant Field Values

SIGN_CIB_KEY

public static final int SIGN_CIB_KEY

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Constant Field Values

GROUP_INFO

public static final int GROUP_INFO

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Constant Field Values

GROUP_CERTIFICATE

public static final int GROUP_CERTIFICATE

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Constant Field Values

OUT_EXPONENT

public static final int OUT_EXPONENT

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Constant Field Values

OUT_MODULUS

public static final int OUT_MODULUS

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Constant Field Values

ENCRYPT_CIB_KEY

public static final int ENCRYPT_CIB_KEY

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Constant Field Values

DECRYPT_CIB_KEY

public static final int DECRYPT_CIB_KEY

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Constant Field Values

ENCRYPT_OUT_KEY

public static final int ENCRYPT_OUT_KEY

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OUTPUT1

public static final int OUTPUT1

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OUTPUT2

public static final int OUTPUT2

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Constant Field Values

REG_NUMBER

public static final int REG_NUMBER

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Constant Field Values

PADDING

public static final int PADDING

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PARALLEL_ADAPTER

public static final int PARALLEL_ADAPTER

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SERIAL_ADAPTER

public static final int SERIAL_ADAPTER

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PUBLIC_KEY_CRYPT

public static final int PUBLIC_KEY_CRYPT

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Constant Field Values

PRIVATE_KEY_CRYPT

public static final int PRIVATE_KEY_CRYPT

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Constant Field Values

Constructor Detail

IButtonAux

public IButtonAux()

IButtonAux constructor

IButtonAux

public IButtonAux(int numbits,
                  int exTime)

Method Detail

findButton

public void findButton()

Checks parallel adapter, port and iButton

crypt

public byte[] crypt(byte[] textIn,
                    int flag,
                    int blksize)

encrypts/decrypts message with either private/public keys

Parameters:

textIn - message to encrypt/decrypt

flag - specifies what key to use

blksize - block size

sign

public byte[] sign(byte[] data)

signs message with iButton private key

Parameters:

data - message to sign

Returns:

signed certificate

getModulus

public byte[] getModulus()

getExponent

public byte[] getExponent()

getPublicKey

public RSAPublicKey getPublicKey()

Creates public key out of modulus and exponent from the iButton

createCertificate

public X509Certificate createCertificate(Name subject,
                                         java.security.PublicKey pk,
                                         Name issuer,
                                         AlgorithmID algorithm,
                                         boolean extensions)

Creates public certificate

Parameters:

subject -

pk - public key

algorithm -

extensions -

Returns:

public certificate