本文整理汇总了C#中System.Security.Cryptography.RSACryptoServiceProvider.RSACryptoServiceProvider构造函数的典型用法代码示例。如果您正苦于以下问题：C# RSACryptoServiceProvider构造函数的具体用法？C# RSACryptoServiceProvider怎么用？C# RSACryptoServiceProvider使用的例子？那么, 这里精选的构造函数代码示例或许可以为您提供帮助。您也可以进一步了解该构造函数所在类System.Security.Cryptography.RSACryptoServiceProvider的用法示例。
在下文中一共展示了RSACryptoServiceProvider构造函数的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Main
//引入命名空间
using System;
using System.Security.Cryptography;
using System.Text;
class RSACSPSample
{
static void Main()
{
try
{
//Create a UnicodeEncoder to convert between byte array and string.
UnicodeEncoding ByteConverter = new UnicodeEncoding();
//Create byte arrays to hold original, encrypted, and decrypted data.
byte[] dataToEncrypt = ByteConverter.GetBytes("Data to Encrypt");
byte[] encryptedData;
byte[] decryptedData;
//Create a new instance of RSACryptoServiceProvider to generate
//public and private key data.
using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider())
{
//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),
//and a boolean flag specifying no OAEP padding.
decryptedData = RSADecrypt(encryptedData, RSA.ExportParameters(true), false);
//Display the decrypted plaintext to the console.
Console.WriteLine("Decrypted plaintext: {0}", ByteConverter.GetString(decryptedData));
}
}
catch (ArgumentNullException)
{
//Catch this exception in case the encryption did
//not succeed.
Console.WriteLine("Encryption failed.");
}
}
public static byte[] RSAEncrypt(byte[] DataToEncrypt, RSAParameters RSAKeyInfo, bool DoOAEPPadding)
{
try
{
byte[] encryptedData;
//Create a new instance of RSACryptoServiceProvider.
using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider())
{
//Import the RSA Key information. This only needs
//toinclude the public key information.
RSA.ImportParameters(RSAKeyInfo);
//Encrypt the passed byte array and specify OAEP padding.
//OAEP padding is only available on Microsoft Windows XP or
//later.
encryptedData = RSA.Encrypt(DataToEncrypt, DoOAEPPadding);
}
return encryptedData;
}
//Catch and display a CryptographicException
//to the console.
catch (CryptographicException e)
{
Console.WriteLine(e.Message);
return null;
}
}
public static byte[] RSADecrypt(byte[] DataToDecrypt, RSAParameters RSAKeyInfo, bool DoOAEPPadding)
{
try
{
byte[] decryptedData;
//Create a new instance of RSACryptoServiceProvider.
using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider())
{
//Import the RSA Key information. This needs
//to include the private key information.
RSA.ImportParameters(RSAKeyInfo);
//Decrypt the passed byte array and specify OAEP padding.
//OAEP padding is only available on Microsoft Windows XP or
//later.
decryptedData = RSA.Decrypt(DataToDecrypt, DoOAEPPadding);
}
return decryptedData;
}
//Catch and display a CryptographicException
//to the console.
catch (CryptographicException e)
{
Console.WriteLine(e.ToString());
return null;
}
}
}示例2: Main
//引入命名空间
using System;
using System.Security.Cryptography;
using System.Text;
class RSACSPSample
{
static void Main()
{
try
{
//Create a UnicodeEncoder to convert between byte array and string.
UnicodeEncoding ByteConverter = new UnicodeEncoding();
//Create byte arrays to hold original, encrypted, and decrypted data.
byte[] dataToEncrypt = ByteConverter.GetBytes("Data to Encrypt");
byte[] encryptedData;
byte[] decryptedData;
//Create a new instance of RSACryptoServiceProvider to generate
//public and private key data. Pass an integer specifying a key-
//length of 2048.
RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider(2048);
//Display the key-legth to the console.
Console.WriteLine("A new key pair of legth {0} was created", RSAalg.KeySize);
//Pass the data to ENCRYPT, the public key information
//(using RSACryptoServiceProvider.ExportParameters(false),
//and a boolean flag specifying no OAEP padding.
encryptedData = RSAEncrypt(dataToEncrypt,RSAalg.ExportParameters(false), false);
//Pass the data to DECRYPT, the private key information
//(using RSACryptoServiceProvider.ExportParameters(true),
//and a boolean flag specifying no OAEP padding.
decryptedData = RSADecrypt(encryptedData,RSAalg.ExportParameters(true), false);
//Display the decrypted plaintext to the console.
Console.WriteLine("Decrypted plaintext: {0}", ByteConverter.GetString(decryptedData));
}
catch(ArgumentNullException)
{
//Catch this exception in case the encryption did
//not succeed.
Console.WriteLine("Encryption failed.");
}
}
static public byte[] RSAEncrypt(byte[] DataToEncrypt, RSAParameters RSAKeyInfo, bool DoOAEPPadding)
{
try
{
//Create a new instance of RSACryptoServiceProvider.
RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider();
//Import the RSA Key information. This only needs
//toinclude the public key information.
RSAalg.ImportParameters(RSAKeyInfo);
//Encrypt the passed byte array and specify OAEP padding.
//OAEP padding is only available on Microsoft Windows XP or
//later.
return RSAalg.Encrypt(DataToEncrypt, DoOAEPPadding);
}
//Catch and display a CryptographicException
//to the console.
catch(CryptographicException e)
{
Console.WriteLine(e.Message);
return null;
}
}
static public byte[] RSADecrypt(byte[] DataToDecrypt, RSAParameters RSAKeyInfo,bool DoOAEPPadding)
{
try
{
//Create a new instance of RSACryptoServiceProvider.
RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider();
//Import the RSA Key information. This needs
//to include the private key information.
RSAalg.ImportParameters(RSAKeyInfo);
//Decrypt the passed byte array and specify OAEP padding.
//OAEP padding is only available on Microsoft Windows XP or
//later.
return RSAalg.Decrypt(DataToDecrypt, DoOAEPPadding);
}
//Catch and display a CryptographicException
//to the console.
catch(CryptographicException e)
{
Console.WriteLine(e.ToString());
return null;
}
}
}示例3: Main
//引入命名空间
using System;
using System.Security.Cryptography;
using System.Text;
class RSACSPSample
{
static void Main()
{
try
{
string KeyContainerName = "MyKeyContainer";
//Create a new key and persist it in
//the key container.
RSAPersistKeyInCSP(KeyContainerName);
//Create a UnicodeEncoder to convert between byte array and string.
UnicodeEncoding ByteConverter = new UnicodeEncoding();
//Create byte arrays to hold original, encrypted, and decrypted data.
byte[] dataToEncrypt = ByteConverter.GetBytes("Data to Encrypt");
byte[] encryptedData;
byte[] decryptedData;
//Pass the data to ENCRYPT, the name of the key container,
//and a boolean flag specifying no OAEP padding.
encryptedData = RSAEncrypt(dataToEncrypt,KeyContainerName, false);
//Pass the data to DECRYPT, the name of the key container,
//and a boolean flag specifying no OAEP padding.
decryptedData = RSADecrypt(encryptedData,KeyContainerName, false);
//Display the decrypted plaintext to the console.
Console.WriteLine("Decrypted plaintext: {0}", ByteConverter.GetString(decryptedData));
RSADeleteKeyInCSP(KeyContainerName);
}
catch(ArgumentNullException)
{
//Catch this exception in case the encryption did
//not succeed.
Console.WriteLine("Encryption failed.");
}
}
public static void RSAPersistKeyInCSP(string ContainerName)
{
try
{
// Create a new instance of CspParameters. Pass
// 13 to specify a DSA container or 1 to specify
// an RSA container. The default is 1.
CspParameters cspParams = new CspParameters();
// Specify the container name using the passed variable.
cspParams.KeyContainerName = ContainerName;
//Create a new instance of RSACryptoServiceProvider to generate
//a new key pair. Pass the CspParameters class to persist the
//key in the container.
RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider(cspParams);
//Indicate that the key was persisted.
Console.WriteLine("The RSA key was persisted in the container, \"{0}\".", ContainerName);
}
catch(CryptographicException e)
{
Console.WriteLine(e.Message);
}
}
public static void RSADeleteKeyInCSP(string ContainerName)
{
try
{
// Create a new instance of CspParameters. Pass
// 13 to specify a DSA container or 1 to specify
// an RSA container. The default is 1.
CspParameters cspParams = new CspParameters();
// Specify the container name using the passed variable.
cspParams.KeyContainerName = ContainerName;
//Create a new instance of RSACryptoServiceProvider.
//Pass the CspParameters class to use the
//key in the container.
RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider(cspParams);
//Delete the key entry in the container.
RSAalg.PersistKeyInCsp = false;
//Call Clear to release resources and delete the key from the container.
RSAalg.Clear();
//Indicate that the key was persisted.
Console.WriteLine("The RSA key was deleted from the container, \"{0}\".", ContainerName);
}
catch(CryptographicException e)
{
Console.WriteLine(e.Message);
}
}
static public byte[] RSAEncrypt(byte[] DataToEncrypt, string ContainerName, bool DoOAEPPadding)
{
try
{
// Create a new instance of CspParameters. Pass
// 13 to specify a DSA container or 1 to specify
// an RSA container. The default is 1.
CspParameters cspParams = new CspParameters();
// Specify the container name using the passed variable.
cspParams.KeyContainerName = ContainerName;
//Create a new instance of RSACryptoServiceProvider.
//Pass the CspParameters class to use the key
//from the key in the container.
RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider(cspParams);
//Encrypt the passed byte array and specify OAEP padding.
//OAEP padding is only available on Microsoft Windows XP or
//later.
return RSAalg.Encrypt(DataToEncrypt, DoOAEPPadding);
}
//Catch and display a CryptographicException
//to the console.
catch(CryptographicException e)
{
Console.WriteLine(e.Message);
return null;
}
}
static public byte[] RSADecrypt(byte[] DataToDecrypt, string ContainerName, bool DoOAEPPadding)
{
try
{
// Create a new instance of CspParameters. Pass
// 13 to specify a DSA container or 1 to specify
// an RSA container. The default is 1.
CspParameters cspParams = new CspParameters();
// Specify the container name using the passed variable.
cspParams.KeyContainerName = ContainerName;
//Create a new instance of RSACryptoServiceProvider.
//Pass the CspParameters class to use the key
//from the key in the container.
RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider(cspParams);
//Decrypt the passed byte array and specify OAEP padding.
//OAEP padding is only available on Microsoft Windows XP or
//later.
return RSAalg.Decrypt(DataToDecrypt, DoOAEPPadding);
}
//Catch and display a CryptographicException
//to the console.
catch(CryptographicException e)
{
Console.WriteLine(e.ToString());
return null;
}
}
}示例4: Main
//引入命名空间
using System;
using System.Security.Cryptography;
using System.Text;
class RSACSPSample
{
static void Main()
{
try
{
string KeyContainerName = "MyKeyContainer";
//Create a new key and persist it in
//the key container.
RSAPersistKeyInCSP(KeyContainerName);
//Create a UnicodeEncoder to convert between byte array and string.
UnicodeEncoding ByteConverter = new UnicodeEncoding();
//Create byte arrays to hold original, encrypted, and decrypted data.
byte[] dataToEncrypt = ByteConverter.GetBytes("Data to Encrypt");
byte[] encryptedData;
byte[] decryptedData;
//Pass the data to ENCRYPT, the name of the key container,
//and a boolean flag specifying no OAEP padding.
encryptedData = RSAEncrypt(dataToEncrypt,KeyContainerName, false);
//Pass the data to DECRYPT, the name of the key container,
//and a boolean flag specifying no OAEP padding.
decryptedData = RSADecrypt(encryptedData,KeyContainerName, false);
//Display the decrypted plaintext to the console.
Console.WriteLine("Decrypted plaintext: {0}", ByteConverter.GetString(decryptedData));
RSADeleteKeyInCSP(KeyContainerName);
}
catch(ArgumentNullException)
{
//Catch this exception in case the encryption did
//not succeed.
Console.WriteLine("Encryption failed.");
}
}
public static void RSAPersistKeyInCSP(string ContainerName)
{
try
{
// Create a new instance of CspParameters. Pass
// 13 to specify a DSA container or 1 to specify
// an RSA container. The default is 1.
CspParameters cspParams = new CspParameters();
// Specify the container name using the passed variable.
cspParams.KeyContainerName = ContainerName;
//Create a new instance of RSACryptoServiceProvider to generate
//a new key pair. Pass the CspParameters class to persist the
//key in the container. Pass an intger of 2048 to specify the
//key-size.
RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider( 2048, cspParams);
//Indicate that the key was persisted.
Console.WriteLine("The RSA key with a key-size of {0} was persisted in the container, \"{1}\".",
RSAalg.KeySize , ContainerName);
}
catch(CryptographicException e)
{
Console.WriteLine(e.Message);
}
}
public static void RSADeleteKeyInCSP(string ContainerName)
{
try
{
// Create a new instance of CspParameters. Pass
// 13 to specify a DSA container or 1 to specify
// an RSA container. The default is 1.
CspParameters cspParams = new CspParameters();
// Specify the container name using the passed variable.
cspParams.KeyContainerName = ContainerName;
//Create a new instance of DSACryptoServiceProvider.
//Pass the CspParameters class to use the
//key in the container.
RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider(cspParams);
//Delete the key entry in the container.
RSAalg.PersistKeyInCsp = false;
//Call Clear to release resources and delete the key from the container.
RSAalg.Clear();
//Indicate that the key was persisted.
Console.WriteLine("The RSA key was deleted from the container, \"{0}\".", ContainerName);
}
catch(CryptographicException e)
{
Console.WriteLine(e.Message);
}
}
static public byte[] RSAEncrypt(byte[] DataToEncrypt, string ContainerName, bool DoOAEPPadding)
{
try
{
// Create a new instance of CspParameters. Pass
// 13 to specify a DSA container or 1 to specify
// an RSA container. The default is 1.
CspParameters cspParams = new CspParameters();
// Specify the container name using the passed variable.
cspParams.KeyContainerName = ContainerName;
//Create a new instance of DSACryptoServiceProvider.
//Pass the CspParameters class to use the key
//from the key in the container.
RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider(cspParams);
//Encrypt the passed byte array and specify OAEP padding.
//OAEP padding is only available on Microsoft Windows XP or
//later.
return RSAalg.Encrypt(DataToEncrypt, DoOAEPPadding);
}
//Catch and display a CryptographicException
//to the console.
catch(CryptographicException e)
{
Console.WriteLine(e.Message);
return null;
}
}
static public byte[] RSADecrypt(byte[] DataToDecrypt, string ContainerName, bool DoOAEPPadding)
{
try
{
// Create a new instance of CspParameters. Pass
// 13 to specify a DSA container or 1 to specify
// an RSA container. The default is 1.
CspParameters cspParams = new CspParameters();
// Specify the container name using the passed variable.
cspParams.KeyContainerName = ContainerName;
//Create a new instance of DSACryptoServiceProvider.
//Pass the CspParameters class to use the key
//from the key in the container.
RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider(cspParams);
//Decrypt the passed byte array and specify OAEP padding.
//OAEP padding is only available on Microsoft Windows XP or
//later.
return RSAalg.Decrypt(DataToDecrypt, DoOAEPPadding);
}
//Catch and display a CryptographicException
//to the console.
catch(CryptographicException e)
{
Console.WriteLine(e.ToString());
return null;
}
}
}