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com.traxel.crypto
Class DHUtil  

java.lang.Object
  com.traxel.crypto.DHUtil

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public class DHUtil

extends java.lang.Object

This class has been coded to solve my specific problems. It is not general purpose. Use at your own risk.

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Field Summary
static java.lang.String	DH

 

Constructor Summary

DHUtil()

 

Method Summary
static javax.crypto.spec.DHParameterSpec	generateDhParams(int bitSize)
static boolean	isBase16(char character)
static void	main(java.lang.String[] args)
static java.security.spec.PKCS8EncodedKeySpec	pkcs8FromBase16(java.io.InputStream in)
static javax.crypto.interfaces.DHPrivateKey	privKeyFromBase16(java.io.InputStream in)           WARNING: This is quite happy to extract the base 16 bytes from a non-base 16 document.
static javax.crypto.interfaces.DHPrivateKey	privKeyFromPkcs8(java.security.spec.PKCS8EncodedKeySpec pkcs8)
static javax.crypto.interfaces.DHPublicKey	pubKeyFromBase16(java.io.InputStream in)           WARNING: This is quite happy to extract the base 16 bytes from a non-base 16 document.
static javax.crypto.interfaces.DHPublicKey	pubKeyFromX509(java.security.spec.X509EncodedKeySpec x509)
static java.lang.String	readBase16(java.io.InputStream in)
static java.security.spec.X509EncodedKeySpec	x509FromBase16(java.io.InputStream in)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

DH

public static final java.lang.String DH

See Also:

Constant Field Values

Constructor Detail

DHUtil

public DHUtil()

Method Detail

generateDhParams

public static javax.crypto.spec.DHParameterSpec generateDhParams(int bitSize)

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privKeyFromBase16

public static javax.crypto.interfaces.DHPrivateKey privKeyFromBase16(java.io.InputStream in)
                                                              throws java.security.spec.InvalidKeySpecException,
                                                                     java.io.IOException

WARNING: This is quite happy to extract the base 16 bytes from a non-base 16 document. EG: if you read from "document" it would return "dce".
NOTE: This method depends on the termination of the input stream (IE: it returns -1 in response to a read() ).

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pubKeyFromBase16

public static javax.crypto.interfaces.DHPublicKey pubKeyFromBase16(java.io.InputStream in)
                                                            throws java.security.spec.InvalidKeySpecException,
                                                                   java.io.IOException

WARNING: This is quite happy to extract the base 16 bytes from a non-base 16 document. EG: if you read from "document" it would return "dce".
NOTE: This method depends on the termination of the input stream (IE: it returns -1 in response to a read() ).

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pubKeyFromX509

public static javax.crypto.interfaces.DHPublicKey pubKeyFromX509(java.security.spec.X509EncodedKeySpec x509)
                                                          throws java.security.spec.InvalidKeySpecException

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privKeyFromPkcs8

public static javax.crypto.interfaces.DHPrivateKey privKeyFromPkcs8(java.security.spec.PKCS8EncodedKeySpec pkcs8)
                                                             throws java.security.spec.InvalidKeySpecException

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pkcs8FromBase16

public static java.security.spec.PKCS8EncodedKeySpec pkcs8FromBase16(java.io.InputStream in)
                                                              throws java.io.IOException

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x509FromBase16

public static java.security.spec.X509EncodedKeySpec x509FromBase16(java.io.InputStream in)
                                                            throws java.io.IOException

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readBase16

public static java.lang.String readBase16(java.io.InputStream in)
                                   throws java.io.IOException

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isBase16

public static boolean isBase16(char character)

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main

public static void main(java.lang.String[] args)

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> traxel >> [ crypto overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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