RSACryptoServiceProvider Class

Definition

Namespace:

System.Security.Cryptography

Assembly:

System.Security.Cryptography.dll

Source:

RSACryptoServiceProvider.Unix.cs

Performs asymmetric encryption and decryption using the implementation of the RSA algorithm provided by the cryptographic service provider (CSP). This class cannot be inherited.

public ref class RSACryptoServiceProvider sealed : System::Security::Cryptography::RSA, System::Security::Cryptography::ICspAsymmetricAlgorithm

public sealed class RSACryptoServiceProvider : System.Security.Cryptography.RSA, System.Security.Cryptography.ICspAsymmetricAlgorithm

type RSACryptoServiceProvider = class
    inherit RSA
    interface ICspAsymmetricAlgorithm

Public NotInheritable Class RSACryptoServiceProvider
Inherits RSA
Implements ICspAsymmetricAlgorithm

Inheritance

Object

AsymmetricAlgorithm

RSA

RSACryptoServiceProvider

Implements

ICspAsymmetricAlgorithm

Examples

The 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.

using namespace System;
using namespace System::Security::Cryptography;
using namespace System::Text;
array<Byte>^ RSAEncrypt( array<Byte>^DataToEncrypt, RSAParameters RSAKeyInfo, bool DoOAEPPadding )
{
   try
   {
      
      //Create a new instance of RSACryptoServiceProvider.
      RSACryptoServiceProvider^ RSA = gcnew 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.  

      array<Byte>^encryptedData = RSA->Encrypt( DataToEncrypt, DoOAEPPadding );
      delete RSA;
      return encryptedData;
   }
   //Catch and display a CryptographicException  
   //to the console.
   catch ( CryptographicException^ e ) 
   {
      Console::WriteLine( e->Message );
      return nullptr;
   }

}

array<Byte>^ RSADecrypt( array<Byte>^DataToDecrypt, RSAParameters RSAKeyInfo, bool DoOAEPPadding )
{
   try
   {
      
      //Create a new instance of RSACryptoServiceProvider.
      RSACryptoServiceProvider^ RSA = gcnew 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.  
      
      array<Byte>^decryptedData = RSA->Decrypt( DataToDecrypt, DoOAEPPadding );
      delete RSA;
      return decryptedData;
   }
   //Catch and display a CryptographicException  
   //to the console.
   catch ( CryptographicException^ e ) 
   {
      Console::WriteLine( e );
      return nullptr;
   }

}

int main()
{
   try
   {
      
      //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<Byte>^dataToEncrypt = ByteConverter->GetBytes( "Data to Encrypt" );
      array<Byte>^encryptedData;
      array<Byte>^decryptedData;
      
      //Create a new instance of RSACryptoServiceProvider to generate
      //public and private key data.
      RSACryptoServiceProvider^ RSA = gcnew 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 ) );
      delete RSA;
   }
   catch ( ArgumentNullException^ ) 
   {
      
      //Catch this exception in case the encryption did
      //not succeed.
      Console::WriteLine( "Encryption failed." );
   }

}

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
                //to include 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;
        }
    }
}

Imports System.Security.Cryptography
Imports System.Text

 _

Class RSACSPSample


    Shared Sub Main()
        Try
            'Create a UnicodeEncoder to convert between byte array and string.
            Dim ByteConverter As New UnicodeEncoding()

            'Create byte arrays to hold original, encrypted, and decrypted data.
            Dim dataToEncrypt As Byte() = ByteConverter.GetBytes("Data to Encrypt")
            Dim encryptedData() As Byte
            Dim decryptedData() As Byte

            'Create a new instance of RSACryptoServiceProvider to generate
            'public and private key data.
            Using RSA As 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))
            End Using
        Catch e As ArgumentNullException
            'Catch this exception in case the encryption did
            'not succeed.
            Console.WriteLine("Encryption failed.")
        End Try
    End Sub


    Public Shared Function RSAEncrypt(ByVal DataToEncrypt() As Byte, ByVal RSAKeyInfo As RSAParameters, ByVal DoOAEPPadding As Boolean) As Byte()
        Try
            Dim encryptedData() As Byte
            'Create a new instance of RSACryptoServiceProvider.
            Using RSA As 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)
            End Using
            Return encryptedData
            'Catch and display a CryptographicException  
            'to the console.
        Catch e As CryptographicException
            Console.WriteLine(e.Message)

            Return Nothing
        End Try
    End Function


    Public Shared Function RSADecrypt(ByVal DataToDecrypt() As Byte, ByVal RSAKeyInfo As RSAParameters, ByVal DoOAEPPadding As Boolean) As Byte()
        Try
            Dim decryptedData() As Byte
            'Create a new instance of RSACryptoServiceProvider.
            Using RSA As 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)
                'Catch and display a CryptographicException  
                'to the console.
            End Using
            Return decryptedData
        Catch e As CryptographicException
            Console.WriteLine(e.ToString())

            Return Nothing
        End Try
    End Function
End Class

The following code example exports the key information created using the RSACryptoServiceProvider into an RSAParameters object.

try
{
   //Create a new RSACryptoServiceProvider Object*.
   RSACryptoServiceProvider^ RSA = gcnew RSACryptoServiceProvider;
   
   //Export the key information to an RSAParameters object.
   //Pass false to export the public key information or pass
   //true to export public and private key information.
   RSAParameters RSAParams = RSA->ExportParameters( false );
}
catch ( CryptographicException^ e ) 
{
   //Catch this exception in case the encryption did
   //not succeed.
   Console::WriteLine( e->Message );
}

try
{
    //Create a new RSACryptoServiceProvider object.
    using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider())
    {

        //Export the key information to an RSAParameters object.
        //Pass false to export the public key information or pass
        //true to export public and private key information.
        RSAParameters RSAParams = RSA.ExportParameters(false);
    }
}
catch (CryptographicException e)
{
    //Catch this exception in case the encryption did
    //not succeed.
    Console.WriteLine(e.Message);
}

Try

    'Create a new RSACryptoServiceProvider object. 
    Dim RSA As New RSACryptoServiceProvider()

    'Export the key information to an RSAParameters object.
    'Pass false to export the public key information or pass
    'true to export public and private key information.
    Dim RSAParams As RSAParameters = RSA.ExportParameters(False)


Catch e As CryptographicException
    'Catch this exception in case the encryption did
    'not succeed.
    Console.WriteLine(e.Message)
End Try

Remarks

For more information about this API, see Supplemental API remarks for RSACryptoServiceProvider.

Constructors

RSACryptoServiceProvider()	Initializes a new instance of the RSACryptoServiceProvider class with a random key pair.
RSACryptoServiceProvider(CspParameters)	Initializes a new instance of the RSACryptoServiceProvider class with the specified parameters.
RSACryptoServiceProvider(Int32, CspParameters)	Initializes a new instance of the RSACryptoServiceProvider class with the specified key size and parameters.
RSACryptoServiceProvider(Int32)	Initializes a new instance of the RSACryptoServiceProvider class with a random key pair of the specified key size.

Fields

KeySizeValue	Represents the size, in bits, of the key modulus used by the asymmetric algorithm. (Inherited from AsymmetricAlgorithm)
LegalKeySizesValue	Specifies the key sizes that are supported by the asymmetric algorithm. (Inherited from AsymmetricAlgorithm)

Properties

CspKeyContainerInfo	Gets a CspKeyContainerInfo object that describes additional information about a cryptographic key pair.
KeyExchangeAlgorithm	Gets the name of the key exchange algorithm available with this implementation of RSA.
KeySize	Gets the size of the current key.
LegalKeySizes	Gets the key sizes that are supported by the asymmetric algorithm.
PersistKeyInCsp	Gets or sets a value indicating whether the key should be persisted in the cryptographic service provider (CSP).
PublicOnly	Gets a value that indicates whether the RSACryptoServiceProvider object contains only a public key.
SignatureAlgorithm	Gets the name of the signature algorithm available with this implementation of RSA.
UseMachineKeyStore	Gets or sets a value indicating whether the key should be persisted in the computer's key store instead of the user profile store.

Methods

Clear()	Releases all resources used by the AsymmetricAlgorithm class. (Inherited from AsymmetricAlgorithm)
Decrypt(Byte[], Boolean)	Decrypts data with the RSA algorithm.
Decrypt(Byte[], RSAEncryptionPadding)	Decrypts data that was previously encrypted with the RSA algorithm by using the specified padding.
Decrypt(ReadOnlySpan<Byte>, RSAEncryptionPadding)	Decrypts the input data using the specified padding mode. (Inherited from RSA)
Decrypt(ReadOnlySpan<Byte>, Span<Byte>, RSAEncryptionPadding)	Decrypts the input data using the specified padding mode. (Inherited from RSA)
DecryptValue(Byte[])	Obsolete. This method is not supported in the current version.
Dispose()	Releases all resources used by the current instance of the AsymmetricAlgorithm class. (Inherited from AsymmetricAlgorithm)
Dispose(Boolean)	Releases the unmanaged resources used by the AsymmetricAlgorithm class and optionally releases the managed resources. (Inherited from AsymmetricAlgorithm)
Encrypt(Byte[], Boolean)	Encrypts data with the RSA algorithm.
Encrypt(Byte[], RSAEncryptionPadding)	Encrypts data with the RSA algorithm using the specified padding.
Encrypt(ReadOnlySpan<Byte>, RSAEncryptionPadding)	Encrypts the input data using the specified padding mode. (Inherited from RSA)
Encrypt(ReadOnlySpan<Byte>, Span<Byte>, RSAEncryptionPadding)	Encrypts the input data using the specified padding mode. (Inherited from RSA)
EncryptValue(Byte[])	Obsolete. This method is not supported in the current version.
Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
ExportCspBlob(Boolean)	Exports a blob containing the key information associated with an RSACryptoServiceProvider object.
ExportEncryptedPkcs8PrivateKey(ReadOnlySpan<Byte>, PbeParameters)	Exports the current key in the PKCS#8 EncryptedPrivateKeyInfo format with a byte-based password. (Inherited from AsymmetricAlgorithm)
ExportEncryptedPkcs8PrivateKey(ReadOnlySpan<Char>, PbeParameters)	Exports the current key in the PKCS#8 EncryptedPrivateKeyInfo format with a char-based password. (Inherited from AsymmetricAlgorithm)
ExportEncryptedPkcs8PrivateKeyPem(ReadOnlySpan<Byte>, PbeParameters)	Exports the current key in the PKCS#8 EncryptedPrivateKeyInfo format with a byte-based password, PEM encoded. (Inherited from AsymmetricAlgorithm)
ExportEncryptedPkcs8PrivateKeyPem(ReadOnlySpan<Char>, PbeParameters)	Exports the current key in the PKCS#8 EncryptedPrivateKeyInfo format with a char-based password, PEM encoded. (Inherited from AsymmetricAlgorithm)
ExportParameters(Boolean)	Exports the RSAParameters.
ExportPkcs8PrivateKey()	Exports the current key in the PKCS#8 PrivateKeyInfo format. (Inherited from AsymmetricAlgorithm)
ExportPkcs8PrivateKeyPem()	Exports the current key in the PKCS#8 PrivateKeyInfo format, PEM encoded. (Inherited from AsymmetricAlgorithm)
ExportRSAPrivateKey()	Exports the current key in the PKCS#1 RSAPrivateKey format. (Inherited from RSA)
ExportRSAPrivateKeyPem()	Exports the current key in the PKCS#1 RSAPrivateKey format, PEM encoded. (Inherited from RSA)
ExportRSAPublicKey()	Exports the public-key portion of the current key in the PKCS#1 RSAPublicKey format. (Inherited from RSA)
ExportRSAPublicKeyPem()	Exports the public-key portion of the current key in the PKCS#1 RSAPublicKey format, PEM encoded. (Inherited from RSA)
ExportSubjectPublicKeyInfo()	Exports the public-key portion of the current key in the X.509 SubjectPublicKeyInfo format. (Inherited from AsymmetricAlgorithm)
ExportSubjectPublicKeyInfoPem()	Exports the public-key portion of the current key in the X.509 SubjectPublicKeyInfo format, PEM encoded. (Inherited from AsymmetricAlgorithm)
FromXmlString(String)	Initializes an RSA object from the key information from an XML string. (Inherited from RSA)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetMaxOutputSize()	Gets the maximum number of bytes an RSA operation can produce. (Inherited from RSA)
GetType()	Gets the Type of the current instance. (Inherited from Object)
HashData(Byte[], Int32, Int32, HashAlgorithmName)	When overridden in a derived class, computes the hash value of a specified portion of a byte array by using a specified hashing algorithm. (Inherited from RSA)
HashData(Stream, HashAlgorithmName)	When overridden in a derived class, computes the hash value of a specified binary stream by using a specified hashing algorithm. (Inherited from RSA)
ImportCspBlob(Byte[])	Imports a blob that represents RSA key information.
ImportEncryptedPkcs8PrivateKey(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Int32)	Imports the public/private keypair from a PKCS#8 EncryptedPrivateKeyInfo structure after decrypting with a byte-based password, replacing the keys for this object.
ImportEncryptedPkcs8PrivateKey(ReadOnlySpan<Char>, ReadOnlySpan<Byte>, Int32)	Imports the public/private keypair from a PKCS#8 EncryptedPrivateKeyInfo structure after decrypting with a char-based password, replacing the keys for this object.
ImportFromEncryptedPem(ReadOnlySpan<Char>, ReadOnlySpan<Byte>)	Imports an encrypted RFC 7468 PEM-encoded private key, replacing the keys for this object. (Inherited from RSA)
ImportFromEncryptedPem(ReadOnlySpan<Char>, ReadOnlySpan<Char>)	Imports an encrypted RFC 7468 PEM-encoded private key, replacing the keys for this object. (Inherited from RSA)
ImportFromPem(ReadOnlySpan<Char>)	Imports an RFC 7468 PEM-encoded key, replacing the keys for this object. (Inherited from RSA)
ImportParameters(RSAParameters)	Imports the specified RSAParameters.
ImportPkcs8PrivateKey(ReadOnlySpan<Byte>, Int32)	Imports the public/private keypair from a PKCS#8 PrivateKeyInfo structure after decryption, replacing the keys for this object. (Inherited from RSA)
ImportRSAPrivateKey(ReadOnlySpan<Byte>, Int32)	Imports the public/private keypair from a PKCS#1 RSAPrivateKey structure after decryption, replacing the keys for this object. (Inherited from RSA)
ImportRSAPublicKey(ReadOnlySpan<Byte>, Int32)	Imports the public key from a PKCS#1 RSAPublicKey structure after decryption, replacing the keys for this object. (Inherited from RSA)
ImportSubjectPublicKeyInfo(ReadOnlySpan<Byte>, Int32)	Imports the public key from an X.509 SubjectPublicKeyInfo structure after decryption, replacing the keys for this object. (Inherited from RSA)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
SignData(Byte[], HashAlgorithmName, RSASignaturePadding)	Computes the hash value of the specified byte array using the specified hash algorithm and padding mode, and signs the resulting hash value. (Inherited from RSA)
SignData(Byte[], Int32, Int32, HashAlgorithmName, RSASignaturePadding)	Computes the hash value of a portion of the specified byte array using the specified hash algorithm and padding mode, and signs the resulting hash value. (Inherited from RSA)
SignData(Byte[], Int32, Int32, Object)	Computes the hash value of a subset of the specified byte array using the specified hash algorithm, and signs the resulting hash value.
SignData(Byte[], Object)	Computes the hash value of the specified byte array using the specified hash algorithm, and signs the resulting hash value.
SignData(ReadOnlySpan<Byte>, HashAlgorithmName, RSASignaturePadding)	Computes the hash value of the specified data and signs it. (Inherited from RSA)
SignData(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, RSASignaturePadding)	Computes the hash of the provided data with the specified algorithm and sign the hash with the current key, writing the signature into a provided buffer. (Inherited from RSA)
SignData(Stream, HashAlgorithmName, RSASignaturePadding)	Computes the hash value of the specified stream using the specified hash algorithm and padding mode, and signs the resulting hash value. (Inherited from RSA)
SignData(Stream, Object)	Computes the hash value of the specified input stream using the specified hash algorithm, and signs the resulting hash value.
SignHash(Byte[], HashAlgorithmName, RSASignaturePadding)	Computes the signature for the specified hash value using the specified padding.
SignHash(Byte[], String)	Computes the signature for the specified hash value.
SignHash(ReadOnlySpan<Byte>, HashAlgorithmName, RSASignaturePadding)	Computes the signature for the specified hash value using the specified padding. (Inherited from RSA)
SignHash(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, RSASignaturePadding)	Signs the hash with the current key, writing the signature into a provided buffer. (Inherited from RSA)
ToString()	Returns a string that represents the current object. (Inherited from Object)
ToXmlString(Boolean)	Creates and returns an XML string containing the key of the current RSA object. (Inherited from RSA)
TryDecrypt(ReadOnlySpan<Byte>, Span<Byte>, RSAEncryptionPadding, Int32)	Attempts to decrypt the input data using the specified padding mode, writing the result into a provided buffer. (Inherited from RSA)
TryEncrypt(ReadOnlySpan<Byte>, Span<Byte>, RSAEncryptionPadding, Int32)	Attempts to encrypt the input data with a specified padding mode into a provided buffer. (Inherited from RSA)
TryExportEncryptedPkcs8PrivateKey(ReadOnlySpan<Byte>, PbeParameters, Span<Byte>, Int32)	Attempts to export the current key in the PKCS#8 EncryptedPrivateKeyInfo format into a provided buffer, using a byte-based password. (Inherited from RSA)
TryExportEncryptedPkcs8PrivateKey(ReadOnlySpan<Char>, PbeParameters, Span<Byte>, Int32)	Attempts to export the current key in the PKCS#8 EncryptedPrivateKeyInfo format into a provided buffer, using a char-based password. (Inherited from RSA)
TryExportEncryptedPkcs8PrivateKeyPem(ReadOnlySpan<Byte>, PbeParameters, Span<Char>, Int32)	Attempts to export the current key in the PKCS#8 EncryptedPrivateKeyInfo format with a byte-based password, PEM encoded. (Inherited from AsymmetricAlgorithm)
TryExportEncryptedPkcs8PrivateKeyPem(ReadOnlySpan<Char>, PbeParameters, Span<Char>, Int32)	Exports the current key in the PKCS#8 EncryptedPrivateKeyInfo format with a char-based password, PEM encoded. (Inherited from AsymmetricAlgorithm)
TryExportPkcs8PrivateKey(Span<Byte>, Int32)	Attempts to export the current key in the PKCS#8 PrivateKeyInfo format into a provided buffer. (Inherited from RSA)
TryExportPkcs8PrivateKeyPem(Span<Char>, Int32)	Attempts to export the current key in the PEM-encoded PKCS#8 PrivateKeyInfo format into a provided buffer. (Inherited from AsymmetricAlgorithm)
TryExportRSAPrivateKey(Span<Byte>, Int32)	Attempts to export the current key in the PKCS#1 RSAPrivateKey format into a provided buffer. (Inherited from RSA)
TryExportRSAPrivateKeyPem(Span<Char>, Int32)	Attempts to export the current key in the PEM-encoded PKCS#1 RSAPrivateKey format into a provided buffer. (Inherited from RSA)
TryExportRSAPublicKey(Span<Byte>, Int32)	Attempts to export the current key in the PKCS#1 RSAPublicKey format into a provided buffer. (Inherited from RSA)
TryExportRSAPublicKeyPem(Span<Char>, Int32)	Attempts to export the current key in the PEM-encoded PKCS#1 RSAPublicKey format into a provided buffer. (Inherited from RSA)
TryExportSubjectPublicKeyInfo(Span<Byte>, Int32)	Attempts to export the current key in the X.509 SubjectPublicKeyInfo format into a provided buffer. (Inherited from RSA)
TryExportSubjectPublicKeyInfoPem(Span<Char>, Int32)	Attempts to export the current key in the PEM-encoded X.509 SubjectPublicKeyInfo format into a provided buffer. (Inherited from AsymmetricAlgorithm)
TryHashData(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, Int32)	Attempts to compute the hash of the provided data by using the specified algorithm, writing the results into a provided buffer. (Inherited from RSA)
TrySignData(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, RSASignaturePadding, Int32)	Attempts to hash the provided data with the specified algorithm and sign the hash with the current key, writing the signature into a provided buffer. (Inherited from RSA)
TrySignHash(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, RSASignaturePadding, Int32)	Attempts to sign the hash with the current key, writing the signature into a provided buffer. (Inherited from RSA)
VerifyData(Byte[], Byte[], HashAlgorithmName, RSASignaturePadding)	Verifies that a digital signature is valid by calculating the hash value of the specified data using the specified hash algorithm and padding, and comparing it to the provided signature. (Inherited from RSA)
VerifyData(Byte[], Int32, Int32, Byte[], HashAlgorithmName, RSASignaturePadding)	Verifies that a digital signature is valid by calculating the hash value of the data in a portion of a byte array using the specified hash algorithm and padding, and comparing it to the provided signature. (Inherited from RSA)
VerifyData(Byte[], Object, Byte[])	Verifies that a digital signature is valid by determining the hash value in the signature using the provided public key and comparing it to the hash value of the provided data.
VerifyData(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, HashAlgorithmName, RSASignaturePadding)	Verifies that a digital signature is valid by calculating the hash value of the specified data using the specified hash algorithm and padding, and comparing it to the provided signature. (Inherited from RSA)
VerifyData(Stream, Byte[], HashAlgorithmName, RSASignaturePadding)	Verifies that a digital signature is valid by calculating the hash value of the specified stream using the specified hash algorithm and padding, and comparing it to the provided signature. (Inherited from RSA)
VerifyHash(Byte[], Byte[], HashAlgorithmName, RSASignaturePadding)	Verifies that a digital signature is valid by determining the hash value in the signature using the specified hashing algorithm and padding, and comparing it to the provided hash value.
VerifyHash(Byte[], String, Byte[])	Verifies that a digital signature is valid by determining the hash value in the signature using the provided public key and comparing it to the provided hash value.
VerifyHash(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, HashAlgorithmName, RSASignaturePadding)	Verifies that a digital signature is valid by determining the hash value in the signature using the specified hash algorithm and padding, and comparing it to the provided hash value. (Inherited from RSA)

See also

• Cryptographic Services