com.hfg.security

Class DSAUtil

java.lang.Object

com.hfg.security.DSAUtil

public class DSAUtil
extends Object

DSA-related functions.

Constructor Summary

Constructors

Constructor and Description
DSAUtil()

Method Summary

Modifier and Type	Method and Description
static void	generateDSAKeyPair(File inOutputDir)
static PrivateKey	readPrivateKey(byte[] inPKCS8EncodedPrivateKey)
static PrivateKey	readPrivateKey(File inPKCS8EncodedPrivateKeyFile)
static PrivateKey	readPrivateKey(InputStream inPKCS8EncodedPrivateKeyStream)
static PublicKey	readPublicKey(byte[] inX509EncodedPublicKey)
static PublicKey	readPublicKey(File inX509EncodedPublicKeyFile)
static PublicKey	readPublicKey(InputStream inX509EncodedPublicKeyStream)
static byte[]	signData(PrivateKey inPrivateKey, byte[] inData)
static byte[]	signData(PrivateKey inPrivateKey, InputStream inData)
static boolean	verifySignature(PublicKey inPublicKey, byte[] inData, byte[] inSignature)
static boolean	verifySignature(PublicKey inPublicKey, InputStream inData, byte[] inSignature)

Methods inherited from class java.lang.Object

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

Constructor Detail

DSAUtil

public DSAUtil()

Method Detail

generateDSAKeyPair

public static void generateDSAKeyPair(File inOutputDir)

signData

public static byte[] signData(PrivateKey inPrivateKey,
                              byte[] inData)

signData

public static byte[] signData(PrivateKey inPrivateKey,
                              InputStream inData)

verifySignature

public static boolean verifySignature(PublicKey inPublicKey,
                                      byte[] inData,
                                      byte[] inSignature)

verifySignature

public static boolean verifySignature(PublicKey inPublicKey,
                                      InputStream inData,
                                      byte[] inSignature)

readPublicKey

public static PublicKey readPublicKey(File inX509EncodedPublicKeyFile)

readPublicKey

public static PublicKey readPublicKey(InputStream inX509EncodedPublicKeyStream)

readPublicKey

public static PublicKey readPublicKey(byte[] inX509EncodedPublicKey)

readPrivateKey

public static PrivateKey readPrivateKey(File inPKCS8EncodedPrivateKeyFile)

readPrivateKey

public static PrivateKey readPrivateKey(InputStream inPKCS8EncodedPrivateKeyStream)

readPrivateKey

public static PrivateKey readPrivateKey(byte[] inPKCS8EncodedPrivateKey)