C# Class System.Security.Cryptography.DSACryptoServiceProvider

Inheritance: DSA, ICspAsymmetricAlgorithm

Exibir arquivo Open project: dotnet/corefx Class Usage Examples

Private Properties

Property	Type	Description
AcquireSafeProviderHandle	System.Security.Cryptography.SafeProvHandle
DSACryptoServiceProvider	System.Diagnostics
IsPublic	bool

Public Methods

Method	Description
CreateSignature ( byte rgbHash ) : byte[]	Creates the DSA signature for the specified data.
DSACryptoServiceProvider ( ) : System.Diagnostics	Initializes a new instance of the DSACryptoServiceProvider class.
DSACryptoServiceProvider ( CspParameters parameters ) : System.Diagnostics	Initializes a new instance of the DSACryptoServiceProvider class with the specified parameters for the cryptographic service provider (CSP).
DSACryptoServiceProvider ( int dwKeySize ) : System.Diagnostics	Initializes a new instance of the DSACryptoServiceProvider class with the specified key size.
ExportCspBlob ( bool includePrivateParameters ) : byte[]	Exports a blob containing the key information associated with an DSACryptoServiceProvider object.
ExportParameters ( bool includePrivateParameters ) : DSAParameters
ImportCspBlob ( byte keyBlob ) : void	Imports a blob that represents DSA key information.
ImportParameters ( DSAParameters parameters ) : void
SignData ( Stream inputStream ) : byte[]	Computes the hash value of the specified input stream and signs the resulting hash value.
SignData ( byte buffer ) : byte[]	Computes the hash value of the specified input stream and signs the resulting hash value.
SignData ( byte buffer, int offset, int count ) : byte[]	Signs a byte array from the specified start point to the specified end point.
SignHash ( byte rgbHash, string str ) : byte[]	Computes the signature for the specified hash value by encrypting it with the private key.
VerifyData ( byte rgbData, byte rgbSignature ) : bool	Verifies the specified signature data by comparing it to the signature computed for the specified data.
VerifyHash ( byte rgbHash, string str, byte rgbSignature ) : bool	Verifies the specified signature data by comparing it to the signature computed for the specified hash value.
VerifySignature ( byte rgbHash, byte rgbSignature ) : bool

Protected Methods

Method	Description
Dispose ( bool disposing ) : void
HashData ( Stream data, HashAlgorithmName hashAlgorithm ) : byte[]
HashData ( byte data, int offset, int count, HashAlgorithmName hashAlgorithm ) : byte[]

Private Methods

Method	Description
AcquireSafeProviderHandle ( ) : System.Security.Cryptography.SafeProvHandle	This method helps Acquire the default CSP and avoids the need for static SafeProvHandle in CapiHelper class
DSACryptoServiceProvider ( int dwKeySize, CspParameters parameters ) : System.Diagnostics
IsPublic ( byte keyBlob ) : bool	Find whether a DSS key blob is public.

Method Details

CreateSignature() public method

Creates the DSA signature for the specified data.

public CreateSignature ( byte rgbHash ) : byte[]
rgbHash	byte	The data to be signed.
return	byte[]

DSACryptoServiceProvider() public method

Initializes a new instance of the DSACryptoServiceProvider class.

public DSACryptoServiceProvider ( ) : System.Diagnostics
return	System.Diagnostics

DSACryptoServiceProvider() public method

Initializes a new instance of the DSACryptoServiceProvider class with the specified parameters for the cryptographic service provider (CSP).

public DSACryptoServiceProvider ( CspParameters parameters ) : System.Diagnostics
parameters	CspParameters	The parameters for the CSP.
return	System.Diagnostics

DSACryptoServiceProvider() public method

Initializes a new instance of the DSACryptoServiceProvider class with the specified key size.

public DSACryptoServiceProvider ( int dwKeySize ) : System.Diagnostics
dwKeySize	int	The size of the key for the asymmetric algorithm in bits.
return	System.Diagnostics

Dispose() protected method

protected Dispose ( bool disposing ) : void
disposing	bool
return	void

ExportCspBlob() public method

Exports a blob containing the key information associated with an DSACryptoServiceProvider object.

public ExportCspBlob ( bool includePrivateParameters ) : byte[]
includePrivateParameters	bool
return	byte[]

ExportParameters() public method

public ExportParameters ( bool includePrivateParameters ) : DSAParameters
includePrivateParameters	bool
return	DSAParameters

HashData() protected method

protected HashData ( Stream data, HashAlgorithmName hashAlgorithm ) : byte[]
data	Stream
hashAlgorithm	HashAlgorithmName
return	byte[]

HashData() protected method

protected HashData ( byte data, int offset, int count, HashAlgorithmName hashAlgorithm ) : byte[]
data	byte
offset	int
count	int
hashAlgorithm	HashAlgorithmName
return	byte[]

ImportCspBlob() public method

Imports a blob that represents DSA key information.

public ImportCspBlob ( byte keyBlob ) : void
keyBlob	byte	A byte array that represents a DSA key blob.
return	void

ImportParameters() public method

public ImportParameters ( DSAParameters parameters ) : void
parameters	DSAParameters
return	void

SignData() public method

Computes the hash value of the specified input stream and signs the resulting hash value.

public SignData ( Stream inputStream ) : byte[]
inputStream	Stream	The input data for which to compute the hash.
return	byte[]

SignData() public method

Computes the hash value of the specified input stream and signs the resulting hash value.

public SignData ( byte buffer ) : byte[]
buffer	byte	The input data for which to compute the hash.
return	byte[]

SignData() public method

Signs a byte array from the specified start point to the specified end point.

public SignData ( byte buffer, int offset, int count ) : byte[]
buffer	byte	The input data to sign.
offset	int	The offset into the array from which to begin using data.
count	int	The number of bytes in the array to use as data.
return	byte[]

SignHash() public method

Computes the signature for the specified hash value by encrypting it with the private key.

public SignHash ( byte rgbHash, string str ) : byte[]
rgbHash	byte	The hash value of the data to be signed.
str	string	The name of the hash algorithm used to create the hash value of the data.
return	byte[]

VerifyData() public method

Verifies the specified signature data by comparing it to the signature computed for the specified data.

public VerifyData ( byte rgbData, byte rgbSignature ) : bool
rgbData	byte	The data that was signed.
rgbSignature	byte	The signature data to be verified.
return	bool

VerifyHash() public method

Verifies the specified signature data by comparing it to the signature computed for the specified hash value.

public VerifyHash ( byte rgbHash, string str, byte rgbSignature ) : bool
rgbHash	byte	The hash value of the data to be signed.
str	string	The name of the hash algorithm used to create the hash value of the data.
rgbSignature	byte	The signature data to be verified.
return	bool

VerifySignature() public method

public VerifySignature ( byte rgbHash, byte rgbSignature ) : bool
rgbHash	byte
rgbSignature	byte
return	bool