Roberto carlos Oct 16 19 at 19:35 2. RSA Program Input ENTER FIRST PRIME NUMBER 7 ENTER ANOTHER PRIME NUMBER 17 ENTER MESSAGE hello C Using the keys we generated in the example above, we run through the Encryption process. RSA Encrypting & Descrypting in C sample Raw.
C# Rsa Example Code Example Uses
This needs//to include the private key information.//Decrypt the passed byte array and specify OAEP padding.Array^decryptedData = RSA->Decrypt( DataToDecrypt, DoOAEPPadding ) //Create a UnicodeEncoder to convert between byte array and string.UnicodeEncoding^ ByteConverter = gcnew UnicodeEncoding //Create byte arrays to hold original, encrypted, and decrypted data.Array^dataToEncrypt = ByteConverter->GetBytes( "Data to Encrypt" ) //Create a new instance of RSACryptoServiceProvider to generate//Pass the data to ENCRYPT, the public key information//(using RSACryptoServiceProvider.ExportParameters(false),//and a boolean flag specifying no OAEP padding.EncryptedData = RSAEncrypt( dataToEncrypt, RSA->ExportParameters( false ), false ) //Pass the data to DECRYPT, the private key information//(using RSACryptoServiceProvider.ExportParameters(true),DecryptedData = RSADecrypt( encryptedData, RSA->ExportParameters( true ), false ) //Display the decrypted plaintext to the console.Console::WriteLine( "Decrypted plaintext: ", ByteConverter.GetString(decryptedData))'Catch this exception in case the encryption didPublic Shared Function RSAEncrypt(ByVal DataToEncrypt() As Byte, ByVal RSAKeyInfo As RSAParameters, ByVal DoOAEPPadding As Boolean) As Byte()'Create a new instance of RSACryptoServiceProvider.Using RSA As New RSACryptoServiceProvider'Import the RSA Key information. This only needs//Encrypt the passed byte array and specify OAEP padding.//OAEP padding is only available on Microsoft Windows XP orArray^encryptedData = RSA->Encrypt( DataToEncrypt, DoOAEPPadding ) //Catch and display a CryptographicExceptionArray^ RSADecrypt( array^DataToDecrypt, RSAParameters RSAKeyInfo, bool DoOAEPPadding )//Import the RSA Key information. Using namespace System Using namespace System::Security::Cryptography Array^ RSAEncrypt( array^DataToEncrypt, RSAParameters RSAKeyInfo, bool DoOAEPPadding )//Create a new instance of RSACryptoServiceProvider.RSACryptoServiceProvider^ RSA = gcnew RSACryptoServiceProvider //Import the RSA Key information. The.Public sealed class RSACryptoServiceProvider : System.Security.Cryptography.RSA, System.Security.Cryptography.ICspAsymmetricAlgorithm type RSACryptoServiceProvider = classInterface ICspAsymmetricAlgorithm type RSACryptoServiceProvider = classInterface ICspAsymmetricAlgorithm Public NotInheritable Class RSACryptoServiceProviderImplements ICspAsymmetricAlgorithm Public NotInheritable Class RSACryptoServiceProviderThe following code example uses the RSACryptoServiceProvider class to encrypt a string into an array of bytes and then decrypt the bytes back into a string. This first table has two username and password combinations.
This needs'Decrypt the passed byte array and specify OAEP padding.DecryptedData = RSA.
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