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c# Programming Glossary: rsaCryptographicException: Padding is invalid and cannot be removed http://stackoverflow.com/questions/11762/cryptographicexception-padding-is-invalid-and-cannot-be-removed prevent some forms of cryptoatacks. For example usually in RSA the OAEP padding scheme is used which prevents some sorts of..
Google OAuth2 Service Account Access Token Request gives 'Invalid Request' Response http://stackoverflow.com/questions/11939026/google-oauth2-service-account-access-token-request-gives-invalid-request-respo SO questions The signature is properly encrypted using RSA and SHA256 I am using POST and using application x www form.. input signiture var rsa certificate.PrivateKey as RSACryptoServiceProvider var cspParam new CspParameters KeyContainerName.. KeyNumber.Exchange 1 2 var aescsp new RSACryptoServiceProvider cspParam PersistKeyInCsp false var signatureBytes..
In C#, sign an xml with a x.509 certificate and check the signature http://stackoverflow.com/questions/1195728/in-c-sign-an-xml-with-a-x-509-certificate-and-check-the-signature certificate new X509Certificate2 certFile pfxPassword RSACryptoServiceProvider rsaCsp RSACryptoServiceProvider certificate.PrivateKey.. certFile pfxPassword RSACryptoServiceProvider rsaCsp RSACryptoServiceProvider certificate.PrivateKey Then you can export.. the public piece don't export the private piece. doc for RSA.ToXmlString And then in the verifying application use RSACryptoServiceProvider..
how to use RSA to encrypt files (huge data) in C# http://stackoverflow.com/questions/1199058/how-to-use-rsa-to-encrypt-files-huge-data-in-c-sharp to use RSA to encrypt files huge data in C# I'm new to encryption. I need.. it uses private public key. I started using a sample of RSACryptoServiceProvider. it was ok with small data to encrypt... CryptographicException Bad Length Create a new instance of RSACryptoServiceProvider. using RSACryptoServiceProvider RSA new..
How to Generate Unique Public and Private Key via RSA http://stackoverflow.com/questions/1307204/how-to-generate-unique-public-and-private-key-via-rsa to Generate Unique Public and Private Key via RSA I am building a custom shopping cart where CC numbers and Exp.. I need to encrypt this data obviously . I want to use the RSACryptoServiceProvider class. Here is my code to create my keys... keys. public static void AssignNewKey const int PROVIDER_RSA_FULL 1 const string CONTAINER_NAME KeyContainer CspParameters..
Constructing a simple interpreter http://stackoverflow.com/questions/256629/constructing-a-simple-interpreter complicated algorithms such as Gaussian elimination or RSA . Best Most practical resource I found on the subject is Ron..
http://stackoverflow.com/questions/3140526/wcf-https-vs-http ss my sr localMachine sky exchange sp Microsoft RSA SChannel Cryptographic Provider sy 12 adding url to listening..
Is it possible to programmatically generate an X509 certificate using only C#? http://stackoverflow.com/questions/3770233/is-it-possible-to-programmatically-generate-an-x509-certificate-using-only-c new TimeSpan 7 0 0 0 gen.SetSignatureAlgorithm MD5WithRSA gen.SetPublicKey kp.Public gen.AddExtension X509Extensions.AuthorityKeyIdentifier.Id.. Assert.IsInstanceOfType cert.PrivateKey typeof RSACryptoServiceProvider c# x509certificate bouncycastle pki.. case is to check that the certificate was built from an RSA key pair you can check the type of its public key instead. ..
http://stackoverflow.com/questions/384401/implementing-rsa-in-c-sharp RSA in C# I'm currently trying to implement a class to handle secure.. secure communications between instances of my app using RSACrytoServiceProveider class. First question is it a good idea.. namespace Agnus.Cipher public class RSA private byte plaintextBytes private byte ciphertextBytes private..
C#: How to Make it Harder for Hacker/Cracker to Get Around or Bypass the Licensing Check? http://stackoverflow.com/questions/4532540/c-how-to-make-it-harder-for-hacker-cracker-to-get-around-or-bypass-the-licensi instead of cracking the license file because if we use RSA signature it's very difficult to crack a license file. So where..
Encrypting/Decrypting large files (.NET) http://stackoverflow.com/questions/9237324/encrypting-decrypting-large-files-net large files. What is the best way of doing that I heard RSA encryption is expensive and was advised to use RSA to encrypt.. I heard RSA encryption is expensive and was advised to use RSA to encrypt an AES key and then use the AES key to encrypt the.. data on the same machine it may not make sense to use both RSA and AES as you would not be trying to pass the encryption key..
Google OAuth2 Service Account Access Token Request gives 'Invalid Request' Response http://stackoverflow.com/questions/11939026/google-oauth2-service-account-access-token-request-gives-invalid-request-respo var inputBytes Encoding.UTF8.GetBytes input signiture var rsa certificate.PrivateKey as RSACryptoServiceProvider var cspParam.. var cspParam new CspParameters KeyContainerName rsa.CspKeyContainerInfo.KeyContainerName KeyNumber rsa.CspKeyContainerInfo.KeyNumber.. rsa.CspKeyContainerInfo.KeyContainerName KeyNumber rsa.CspKeyContainerInfo.KeyNumber KeyNumber.Exchange 1 2 var aescsp..
how to use RSA to encrypt files (huge data) in C# http://stackoverflow.com/questions/1199058/how-to-use-rsa-to-encrypt-files-huge-data-in-c-sharp is the way to encrypt files using RSA c# cryptography rsa encryption asymmetric 3des share improve this question As..
How to Generate Unique Public and Private Key via RSA http://stackoverflow.com/questions/1307204/how-to-generate-unique-public-and-private-key-via-rsa Microsoft Strong Cryptographic Provider rsa new RSACryptoServiceProvider cspParams string publicPrivateKeyXML.. cspParams string publicPrivateKeyXML rsa.ToXmlString true string publicOnlyKeyXML rsa.ToXmlString false.. rsa.ToXmlString true string publicOnlyKeyXML rsa.ToXmlString false do stuff with keys... Now the plan is to store..
Working with Registry in C# 2.0 (Windows Forms) http://stackoverflow.com/questions/13450201/working-with-registry-in-c-sharp-2-0-windows-forms cspp.KeyContainerName key RSACryptoServiceProvider rsa new RSACryptoServiceProvider cspp rsa.PersistKeyInCsp true byte.. rsa new RSACryptoServiceProvider cspp rsa.PersistKeyInCsp true byte bytes rsa.Encrypt UTF8Encoding.UTF8.GetBytes.. cspp rsa.PersistKeyInCsp true byte bytes rsa.Encrypt UTF8Encoding.UTF8.GetBytes stringToEncrypt true return..
Why doesn't .NET find the OpenSSL.NET dll? http://stackoverflow.com/questions/1396164/why-doesnt-net-find-the-openssl-net-dll static void Main string args try OpenSSL.Crypto.RSA rsa new OpenSSL.Crypto.RSA catch Exception e Console.WriteLine e.InnerException.Message..
Why is RSAParameters Modulus not equal product of P and Q? http://stackoverflow.com/questions/14073595/why-is-rsaparameters-modulus-not-equal-product-of-p-and-q exported it to XML by invoking RSACryptoServiceProvider rsa new RSACryptoServiceProvider 512 rsa.ToXmlString true This gave.. rsa new RSACryptoServiceProvider 512 rsa.ToXmlString true This gave me the following XML RSAKeyValue.. end I added a little test code RSACryptoServiceProvider rsa new RSACryptoServiceProvider 512 rsa.FromXmlString key key string..
RSA Encryption, getting bad length http://stackoverflow.com/questions/1496793/rsa-encryption-getting-bad-length bad length When calling the following function byte bytes rsa.Encrypt System.Text.UTF8Encoding.UTF8.GetBytes stringToEncrypt.. I am passing is under 200 characters. c# encryption rsa encryption asymmetric share improve this question RSA encryption..
How to import PKCS#8 RSA privateKey (created by OpenSSL) in C# http://stackoverflow.com/questions/1722305/how-to-import-pkcs8-rsa-privatekey-created-by-openssl-in-c-sharp external library. Does Someone know how i can do this c# rsa privatekey pkcs#8 share improve this question The easiest..
An effective method for encrypting a license file? http://stackoverflow.com/questions/359342/an-effective-method-for-encrypting-a-license-file ArgumentException No public key in assembly. RSAParameters rsaParams EncryptionUtils.GetRSAParameters pubkey RSACryptoServiceProvider.. pubkey RSACryptoServiceProvider rsa new RSACryptoServiceProvider rsa.ImportParameters rsaParams.. RSACryptoServiceProvider rsa new RSACryptoServiceProvider rsa.ImportParameters rsaParams return rsa I've uploaded a sample..
http://stackoverflow.com/questions/384401/implementing-rsa-in-c-sharp horn in this field pointers would be appreciated. c# rsa rsacryptoserviceprovider share improve this question I would.. horn in this field pointers would be appreciated. c# rsa rsacryptoserviceprovider share improve this question I would..
Encrypting/Decrypting large files (.NET) http://stackoverflow.com/questions/9237324/encrypting-decrypting-large-files-net example will be great. c# .net encryption cryptography rsa share improve this question Generally the strategy you have..
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