org.asunder.util
Class CryptoUtils

java.lang.Object
  org.asunder.util.CryptoUtils

public class CryptoUtils
extends java.lang.Object

Method Summary

static byte[]	generateDigest(java.lang.String algorithm, java.io.InputStream is)
static java.security.KeyPair	generateDSAKeyPair()
static byte[]	generateSignature(java.lang.String algorithm, java.security.PrivateKey priKey, java.io.InputStream is)
static void	storeKeyPair(java.security.KeyStore keyStore, java.lang.String keyStorePath, char[] keyStorePasswd, java.security.KeyPair keyPair, java.lang.String alias, char[] priKeyPasswd)
static boolean	verifySignature(java.lang.String algorithm, java.security.PublicKey pubKey, java.io.InputStream is, byte[] alleged)

Methods inherited from class java.lang.Object

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

Method Detail

generateDSAKeyPair

public static java.security.KeyPair generateDSAKeyPair()
                                                throws java.security.NoSuchAlgorithmException,
                                                       java.security.NoSuchProviderException

Throws:

java.security.NoSuchAlgorithmException

java.security.NoSuchProviderException

generateDigest

public static byte[] generateDigest(java.lang.String algorithm,
                                    java.io.InputStream is)
                             throws java.io.IOException,
                                    java.security.NoSuchAlgorithmException

Throws:

java.io.IOException

java.security.NoSuchAlgorithmException

generateSignature

public static byte[] generateSignature(java.lang.String algorithm,
                                       java.security.PrivateKey priKey,
                                       java.io.InputStream is)
                                throws java.security.NoSuchAlgorithmException,
                                       java.security.InvalidKeyException,
                                       java.io.IOException,
                                       java.security.SignatureException

Throws:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

java.io.IOException

java.security.SignatureException

verifySignature

public static boolean verifySignature(java.lang.String algorithm,
                                      java.security.PublicKey pubKey,
                                      java.io.InputStream is,
                                      byte[] alleged)
                               throws java.security.NoSuchAlgorithmException,
                                      java.io.IOException,
                                      java.security.SignatureException,
                                      java.security.InvalidKeyException

Throws:

java.security.NoSuchAlgorithmException

java.io.IOException

java.security.SignatureException

java.security.InvalidKeyException

storeKeyPair

public static void storeKeyPair(java.security.KeyStore keyStore,
                                java.lang.String keyStorePath,
                                char[] keyStorePasswd,
                                java.security.KeyPair keyPair,
                                java.lang.String alias,
                                char[] priKeyPasswd)
                         throws java.io.IOException,
                                java.security.cert.CertificateException,
                                java.security.KeyStoreException,
                                java.security.NoSuchAlgorithmException

Throws:

java.io.IOException

java.security.cert.CertificateException

java.security.KeyStoreException

java.security.NoSuchAlgorithmException