Zip and encrypt or Encrypt and Zip
Hi all,What's better?1. zip the file and than encrypt it (AES)2. encrypt (AES) the file and than zip it3. doesn't matter.I am more concern in the file's integrity less on efficency.thanks for any thought.Peter...
2 answers | 265 bytes |
Yet Another Question for Christopher Steel and Ramesh Nagappan
What makes your book different from all the other web security books out there? Also, at 1088 pages this is probably a reference guide. Who is it written for? Thanks in advance for you response....
4 answers | 194 bytes |
XOR to reduce md5 digest
Hello all,Wondering if anyone can help me here:I've found a nice method to generate an MD hash digest:public static byte[] getKeyedDigest(byte[] buffer, byte[] key) { try { MessageDigest md5 = MessageDigest.getInstance("MD5"); md5.update(buffer); return md5.digest(key); } catch (NoSuchAlgori...
0 answers | 700 bytes |
XML Security
I am developing a B2B application which uses XML for Data interchange over the internet. I would like to know how to build in security in this application.Any pointers to start with, would be of great help.Thanks,Pradeep...
1 answers | 230 bytes |
XML Encryption
Hi,I am trying to do XML Encryption.I am using XSS4j API.I want to know how can I generate a symmetric Key to encrypt data.and how can I encrypt it with public Key.I wrote following code.and I received Encrypted Message also but I did not get Encrypted Key(As Cypher Value is empty)I know I can u...
2 answers | 9223 bytes |
X509Certificate v3 support?
Hi,In the current JSSE 1.0.3_03, only X509Certificate v1 implementation is supported? Does anyone know when v3 will be supported? Could be possibly be part of JDK1.5?ThanksVictor...
0 answers | 198 bytes |
X509Certificate Authentication
Hi,How do we perform the X509Certificate authentication in java? Say I have the sender certificate(which contains its public key), the singed data, and its signature. How do i verify this against the root trusted CA in cacerts to make sure that this certificate was actually given by a CA that we...
3 answers | 353 bytes |
X509Certificate
Hi,In JDK1.3.x, I am wondering if the JDK by default has implementations of X509Certificate? From my experience, I have used the iaik certificate implementations. Does JDK itself provide its own also?X509Certificate is an abstract class, what is the way to create a X509Certificate w/o any 3rd pa...
0 answers | 361 bytes |
X509 error - data isn't an object ID (tag = 48)
Hello,I am trying to create a new certificate for my tomcat server but I cannot import my key with keytool. I haven't been able to figure out what is causing it so I thought I'd see here if anyone recognizes my problem.I first create my private key usingkeytool -genkey -keyalg RSA -alias...
1 answers | 2079 bytes |
X509 Client Authorization
I have been struggling with implementing a client authorization with x509 certificates. I am able to get server side, SSL, but adding in the client side seems next to impossible. Does you book cover this aspect? We will be the CA for the client on a Win2k server. Specifically, I believe my issue...
3 answers | 601 bytes |
WS Security Related
HiI was trying to encrypt a message using XSS4j.I have certain issues.As for Encryption we are supposed to use Public Key of client to genrate and encrypt the symmetric key which will be used for final Enbcryption.I am trying to use the same but my doubt is how to create a symmetric key and how...
1 answers | 14882 bytes |
writing to network drive
HiI want to write to the mapped drive in my web application. The shared folder is on another machine in the same domain. Do we need to deploy the application with was.policy file. If so how do we give permission to access the network driveThanks in advance....
1 answers | 265 bytes |
writing SSL client
Hi , My client program is behind a firewall(only port 80 can receive request from outside world).My server is configured for SSL(on port 443).So I can only send request from my client to my server (on port 443) and my client can only get response from server corresponding to that request.What if...
0 answers | 528 bytes |
Writing Secure Servlets
I have recently started writing Servlet code. I want to know, how to send data from a web page to a Servlet in an encrypted format? Here is the web page<form method='post' action='/servlet/UserLogin'><table><tr><td><b>ID</b></td><td>...
1 answers | 1120 bytes |
Writing and configuring custom callback
Can I write my own callback like NameCallback and PasswordCallback ?I need another callback to be passed in to the LoginModule where I require an extra piece of information for further processing, for example I need client ID to be passed in to the login module, can I create another callback cal...
0 answers | 515 bytes |
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