How to get PortetSession object in backing file
Hi all,
Is it possible to get PortletSession object for current portlet in a backing file. If it is then could you please tell me how?
regards
-saurabh
Pl see your duplicate post here - How to capture SQL *Loader program parameter value in control file?
Srini
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How to get password as string back from encrypted password byte array.
Hi All,
I am storing encrypted password and enc key in the database.(Code included encryptPassword method for encryption and validatePassword method for validating of password). Problem is that for some reason i need to show user's password to the user as a string as he/she entered. But i am not able to convert the encrypted password from D/B to original String.
Tell me if any body know how to get the string password back from the encrypted password byte array after seeing my existing encryption code.
//********* Code
private Vector encryptPassword(byte[] arrPwd)
try
// parameter arrPwd is the password as entered by the user and to be encrypted.
byte[] encPwd = null;
byte[] key = null;
/* Generate a key pair */
KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA", "SUN");
SecureRandom random = SecureRandom.getInstance("SHA1PRNG", "SUN");
keyGen.initialize(1024, random);
KeyPair pair = keyGen.generateKeyPair();
PrivateKey priv = pair.getPrivate();
PublicKey pub = pair.getPublic();
/* Create a Signature object and initialize it with the private key */
Signature dsa = Signature.getInstance("SHA1withDSA", "SUN");
dsa.initSign(priv);
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try
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// key is the array of key through which the password was encrypted and stored.
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catch (Exception e)
Help upto any extent would be appreciated.
Thanx
Moti SinghHi All,
I am storing encrypted password and enc key in the
database.(Code included encryptPassword method for
encryption and validatePassword method for validating
of password). Problem is that for some reason i need
to show user's password to the user as a string as
he/she entered. But i am not able to convert the
encrypted password from D/B to original String.No, you are not encrypting the password in your code, you are merely signing it.
Tell me if any body know how to get the string
password back from the encrypted password byte array
after seeing my existing encryption code.It is impossible to retrieve the original text out of a signature.
You should read up on some encryption basics in order to understand the difference between signing and encrypting. Then you can find examples of how to encrypt something here: http://java.sun.com/j2se/1.4/docs/guide/security/jce/JCERefGuide.html.
Actually there is one class specifically for keeping keys secure, KeyStore http://java.sun.com/j2se/1.4/docs/api/java/security/KeyStore.html
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hi,
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thanking you.Hi,
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