Im looking what is the good way to make talk an iphone apps with a php server, with encryption. In fact, I also have an android app that want also to talk to this php server, with encryption.
I have generated the codes for different symbol in a file using shannon fano algorithm. Now my problem is that how i will store these codes into file 开发者_如何学JAVA(as file is in byte) so that whil
I have been given an assignment to drop one of our product\'s dll and replace it with a pure C# one. The old DLL is a .NET 2.0 Managed C++ (C++\\CLI) which wraps calls to the Win32 native Crypto API.
can anyone see where i made a mistake here? I know that the algorithm will properly decrypt the encrypted data. however, most of the encrypted data is not the correct output, according to the RC6 pape
Does anyone know what the default Java crypto behavior is for: SecretKeySpec localSecretKeySpec = new SecretKeySpec(arrayOfByte开发者_如何转开发, \"AES\");
Every now and then I come across applications that force you to change passwords once in a while. Almost universally, they have this strange requirement for the new password: it has to be \"significan
I\'m working on implementing DSA digital signature algorithm. I understand the algorithm itself, one thing I don\'t really understand is how should my message look afte开发者_开发技巧r it was signed?
My entropy value is around 130-180 while a test script is running and 150-180 normally.Would that value have any bearing on static HTML pages that don\'t use any random() functionality?Or do all 开发者
How can I verify the signature of a file that was signed by gpg? I have: the exported public key that signed it, the file, and the .asc file with the signature in it.
I start with a weak password (8 lower case characters for ex) and a file. I need to encrypt that file using that password. Result has to be secure against known attacks.
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