Use The RSA Cryptography?
Mar 29, 2010how can i use the RSA Cryptography in Vb.NET ?i'm looking to how implement the public/private key to protect strings.
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Cryptography - Overflow Of Variable As In C#?
Mar 19, 2012I need to make some big multiplications for cryptographic reasons in vb.net and overflow the variable as C,C++ and C# does. I have disabled the check of overflow at the vb.net project but when i an doing those multiplications i get as a result 1.#INF
ex. in c:
z^y= 0xFFFFFFFF ^ 0x000003FC= 0xFFFFFC03
in vb.net:
z^y= 0xFFFFFFFF ^ 0x000003FC= 1.#INF
AesCryptoServiceProvider Not Part Of System.Security.Cryptography?
Aug 26, 2009I realize AesCryptoServiceProvider is part of .NET framework 3.5. I do have 3.5 installed. However, (I can't believe I don't know this), how can I utilized Framework 3.5 so I can access the AesCryptoServiceProvider? Currently, it points to 2.0.
View 2 RepliesCryptography - Command Line Argument To Compare The MD5 Results
Jun 11, 2009I have a file called Test.txt with a one line of String equal to 'This is String', and I've created a command line argument to compare the MD5 results, why am I not getting a match?
CODE:
Cryptography Classes To Encrypt And Decrypt Connection Settings?
Apr 29, 2010I have used System.Security.Cryptography classes to encrypt and decrypt connection settings but have a question regarding securing the private key needed to decrypt. Given that assemblies can be easily read, what is the preferred method for storing the private key so that it is not visible to anyone who goes looking?
View 1 RepliesFile Encryption By Using The Imports System.Security.Cryptography?
Feb 16, 2010I'm working on a basic file encryption by using the Imports System.Security.Cryptography.I was thinking of putting a password as a final security measure.Would i have to store the password inside the file or how will this work?
View 12 RepliesError - SymmCrypto Is A Wrapper Of System.Security.Cryptography.SymmetricAlgorithm Classes
Jul 7, 2010For my applications I use the following class:
Imports System.Security.Cryptography
Imports System.IO
Imports System.Text
'SymmCrypto is a wrapper of System.Security.Cryptography.SymmetricAlgorithm
[code]....
Most of the time this works as it should, but sometimes it encodes a string and the gives an error on decoding it. The error message is: Invalid length for a Base-64 char array.
System.Security.Cryptography.CryptographicException: Length Of The Data To Decrypt Is Invalid?
Jan 4, 2012System.Security.Cryptography.CryptographicException: Length of the data to decrypt is invalid.
My Code:
' Decrypt textfile with Rijndael encryption
Public
[code].....
.net - Translating C Code Using OpenSSL For Public-key Authentication To VisualBasic.NET Using System.security.cryptography?
Oct 20, 2009I am trying to mimic the results of some C code that uses the OpenSSL library using the system.security.crytography library in the .net 3.5 world, and I can't seem to get it right. part of the issue is my understanding of crytography in general.
Here's what is supposed to happen:
I send a request for authentication to a device.It returns a challenge digest, which I then need to sign with a known key and return The device returns a "success" or "Fail" message.I have the following code snippet that I am trying to "copy":
[Code]...
VS 2010 System.Security.Cryptography - Generate An HTPASSWD File For Server To Secure A Directory
Apr 10, 2012i wanna generate an HTPASSWD file for my Server to secure a directory. For Crypt im using DesEncrypt Method , here is my Code :
[Code]...
