Tagged Questions

-1
votes
0answers
40 views

How to implement Korea's SEED algorithm in Java? [closed]

While reading about the SEED cipher in java documentations, I came to know about this Korean SEED algorithm. Can anyone help me to implement it in Java? I have used AES for encryption and decryption ...
-4
votes
0answers
42 views

how cource code to combine plaintext + key into ciphertext + key in java using aes algorithm? [closed]

how cource code to combine plaintext + key into ciphertext + key in java using aes algorithm? I'm developing an sms application with a security system using cryptographic algorithm aes. but I get the ...
-9
votes
0answers
59 views

Close the virtual machine (vmware) customer [closed]

It is possible to close the virtual machine (vmware) on this machine where it is installed, and leave the remote access only certain IP ?
4
votes
1answer
158 views

Saved passwords (use case)

I have a program in which a user enters a password, and the user data is stored encrypted using AES-128. The data and passwords must be stored together. Both the data and the password are encrypted ...
3
votes
3answers
100 views

jasypt message integrity

I've been looking into ways to encrypt an authentication token that I need to pass from one site to another. Things i have learned so far are use a high level library. don't use ECB use a HMAC to ...
0
votes
2answers
150 views

Security concern to implement a web based remote desktop

I am implementing a web based remote desktop application.Through this application client can connect to the server and can access the server using JSP/Servlet Java robot class. I can configure the ...
4
votes
1answer
901 views

Encrypting data for Android mobile app

I am creating a mobile app for Android. This is my first mobile app by the way. I have decided to store data used in my app in a SQLite database in the target Android device. The data I am storing ...
1
vote
1answer
100 views

How safe is WSIT username authentication with symmetric key?

I have an ajax-ws web service (exposed via glassfish) that uses username authentication with a symmetric key to encrypt and authenticate clients(link). How secure is this mechanism? Is this enough to ...
2
votes
2answers
486 views

safe to use jBCrypt and recommend it to my organization?

I'd like to recommend to my fellow developers that we all use bcrypt to hash stored passwords. We all use java and I hesitate to recommend jBCrypt only because its latest version number (0.3) ...
3
votes
2answers
998 views

Storing password in Java application

What is best secure way to store passwords in Java web application? I am not talking about password to the DB, so it must be stored in de-cryptable way. It’s cloud environment and I need to protect ...
1
vote
2answers
2k views

Encrypting string in javascript and decryption in java

I would like to know if someone know any library to do encryption in javascript and decryption in java. I have already tried many API, But getting not not getting same values in java. I want ...
2
votes
4answers
784 views

Bouncy Castle - document signed by sender and only readable by receiver?

I am building an application that requires secure data transfer. In particular, the sender has a data file that needs to be sent to the receiver. It is required that only the receiver be able to read ...
3
votes
1answer
507 views

Storage of 'secrets', keystores, HSMs and the rest

I've been digging for the past few days into storage of sentitive data. If I store this data in a database, I believe the general accepted practice is to store sensitive data encrypted, for various ...
1
vote
1answer
350 views

PAP and CHAP implementation using Java

I want to implement PAP and CHAP based authentication in my Java project how can I implement ? is there any API available in Java for using that protocol ?
3
votes
4answers
367 views

Base64 conversion for byte array in encryption

I am using ECC algorithm for security. Now the concern is I am placing the data in web page after encryption of the data in hex format and transmit to server and then it decrypts the data, but when I ...
3
votes
1answer
386 views

Sip call Developing in android with secure data transfer

I would like to make an application similar to RedPhone on android. I took a look at SipDemo from developer.android.com and at the android.net.sip package.My question is, when you make/receive a call, ...
8
votes
5answers
2k views

How can I decrypt data with Java, without hard-coding the key?

I hope this is not a chicken-egg problem or reinventing the wheel but here goes. I have a Java application that needs to access a password protected file (actually during the application startup). The ...
4
votes
1answer
965 views

How can I store downloaded video securely to device's sd card?

I want to save videos in my android mobile's SD card securely such no other application or user can use it, outside the application or on any other devices. So for this what can I do? I think about ...
4
votes
3answers
3k views

What password-based encryption to use with standard Java 6?

Which password-based encryption method should I use in Java 6? It should be as strong as possible, but work with the default security policy file (not the export restricted one which you have to ...
2
votes
2answers
302 views

What is the correct way to assess and compare Certicom's products to the alternatives?

I'm investigating Certicom's API because they are "free" with the Blackberry implementations, and have come to realize that I have several alternatives for implementing crypto such as BouncyCastle, ...
1
vote
2answers
1k views

where can find sample coding for use of Bouncy Castle(java)?

I had found bcprov-ext-jdk16-145.jar and bcprov-jdk16-145.zip. I wish to use the IDEA encryption to encrypt XML, but i haven't found any sample of coding in JAVA. Can anyone tell me how to call the ...
10
votes
4answers
4k views

What's the standard way to encrypt a file with a public key in Java?

I'm writing a client app in Java that sends encrypted data back to the server. All clients have my RSA public key. Is there a standard way to encrypt a given file with it to send it back to the ...