Base class for implementations of DSA algorithm. Objects of this class should only be allocated using System::MakeObject() function. Never create instance of this type on stack or using operator new, as it will result in runtime errors and/or assertion faults. Always wrap this class into System::SmartPtr pointer and use this pointer to pass it to functions as argument. More...

Inherits System::Security::Cryptography::AsymmetricAlgorithm.

Inherited by System::Security::Cryptography::DSACryptoServiceProvider.

Public Member Functions
virtual ASPOSECPP_SHARED_API ByteArrayPtr	CreateSignature (ByteArrayPtr rgb_hash)=0
	Create DSA signature for the specified data. More...

virtual ASPOSECPP_SHARED_API bool	VerifySignature (ByteArrayPtr rgb_hash, ByteArrayPtr rgb_signature)=0
	Verify DSA signature for the specified data. More...

virtual ASPOSECPP_SHARED_API DSAParameters	ExportParameters (bool include_private_parameters)=0
	Exports all parameters. More...

virtual ASPOSECPP_SHARED_API void	ImportParameters (DSAParameters parameters)=0
	Imports all parameters from data structure. More...

virtual ASPOSECPP_SHARED_API void	FromXmlString (String xml_string) override
	Initializes object using XML-encoded parameters. More...

virtual ASPOSECPP_SHARED_API String	ToXmlString (bool include_private_parameters) override
	Exports all parameters in XML format. More...

ASPOSECPP_SHARED_API ByteArrayPtr	SignData (const ByteArrayPtr &data, const HashAlgorithmName &hash_algorithm)
	Computes the hash value of the specified data array using the specified hash algorithm, and signs the result. More...

ASPOSECPP_SHARED_API ByteArrayPtr	SignData (const ByteArrayPtr &data, int32_t offset, int32_t count, const HashAlgorithmName &hash_algorithm)
	Computes the hash value of the specified data array using the specified hash algorithm, and signs the result. More...

ASPOSECPP_SHARED_API ByteArrayPtr	SignData (const StreamPtr &stream, const HashAlgorithmName &hash_algorithm)
	Computes the hash value of the specified binary stream using the specified hash algorithm, and signs the result. More...

ASPOSECPP_SHARED_API bool	VerifyData (const ByteArrayPtr &data, const ByteArrayPtr &signature, const HashAlgorithmName &hash_algorithm)
	Verifies that the signature of the specified data is valid. More...

ASPOSECPP_SHARED_API bool	VerifyData (const ByteArrayPtr &data, int32_t offset, int32_t count, const ByteArrayPtr &signature, const HashAlgorithmName &hash_algorithm)
	Verifies that the signature of the specified data is valid. More...

ASPOSECPP_SHARED_API bool	VerifyData (const StreamPtr &stream, const ByteArrayPtr &signature, const HashAlgorithmName &hash_algorithm)
	Verifies that the signature of the specified binary stream is valid. More...

Public Member Functions inherited from System::Security::Cryptography::AsymmetricAlgorithm
virtual ASPOSECPP_SHARED_API int32_t	get_KeySize ()
	Gets key size. More...

virtual ASPOSECPP_SHARED_API void	set_KeySize (int32_t value)
	Sets key size. More...

virtual ASPOSECPP_SHARED_API ArrayPtr< SharedPtr< KeySizes > >	get_LegalKeySizes ()
	Gets array of allowed key sizes. More...

ASPOSECPP_SHARED_API void	Clear ()
	Releases all resources. More...

virtual ASPOSECPP_SHARED_API String	get_SignatureAlgorithm ()
	Gets signature algorithm to use. More...

virtual ASPOSECPP_SHARED_API String	get_KeyExchangeAlgorithm ()
	Gets key exchange algorithm to use. More...

ASPOSECPP_SHARED_API void	Dispose () override
	Releases resources owned by the current object. More...

Public Member Functions inherited from System::Object
ASPOSECPP_SHARED_API	Object ()
	Creates object. Initializes all internal data structures. More...

virtual ASPOSECPP_SHARED_API	~Object ()
	Destroys object. Frees all internal data structures. More...

ASPOSECPP_SHARED_API	Object (Object const &x)
	Copy constructor. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More...

Object &	operator= (Object const &x)
	Assignment operator. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More...

Object *	SharedRefAdded ()
	Increments shared reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...

int	SharedRefRemovedSafe ()
	Decrements and returns shared reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...

int	RemovedSharedRefs (int count)
	Decreases shared reference count by specified value. More...

Detail::SmartPtrCounter *	WeakRefAdded ()
	Increments weak reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...

void	WeakRefRemoved ()
	Decrements weak reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...

Detail::SmartPtrCounter *	GetCounter ()
	Gets reference counter data structure associated with the object. More...

int	SharedCount () const
	Gets current value of shared reference counter. More...

ASPOSECPP_SHARED_API void	Lock ()
	Implements C# lock() statement locking. Call directly or use LockContext sentry object. More...

ASPOSECPP_SHARED_API void	Unlock ()
	Implements C# lock() statement unlocking. Call directly or use LockContext sentry object. More...

virtual ASPOSECPP_SHARED_API bool	Equals (ptr obj)
	Compares objects using C# Object.Equals semantics. More...

virtual ASPOSECPP_SHARED_API int32_t	GetHashCode () const
	Analog of C# Object.GetHashCode() method. Enables hashing of custom objects. More...

virtual ASPOSECPP_SHARED_API String	ToString () const
	Analog of C# Object.ToString() method. Enables converting custom objects to string. More...

virtual ASPOSECPP_SHARED_API ptr	MemberwiseClone () const
	Analog of C# Object.MemberwiseClone() method. Enables cloning custom types. More...

virtual ASPOSECPP_SHARED_API const TypeInfo &	GetType () const
	Gets actual type of object. Analog of C# System.Object.GetType() call. More...

virtual ASPOSECPP_SHARED_API bool	Is (const TypeInfo &targetType) const
	Check if object represents an instance of type described by targetType. Analog of C# 'is' operator. More...

virtual ASPOSECPP_SHARED_API void	SetTemplateWeakPtr (uint32_t argument)
	Set n'th template argument a weak pointer (rather than shared). Allows switching pointers in containers to weak mode. More...

virtual ASPOSECPP_SHARED_API bool	FastCast (const Details::FastRttiBase &helper, void **out_ptr) const
	For internal purposes only. More...

template<>
bool	Equals (float const &objA, float const &objB)
	Emulates C#-style floating point comparison where two NaNs are considered equal even though according to IEC 60559:1989 NaN is not equal to any value, including NaN. More...

template<>
bool	Equals (double const &objA, double const &objB)
	Emulates C#-style floating point comparison where two NaNs are considered equal even though according to IEC 60559:1989 NaN is not equal to any value, including NaN. More...

template<>
bool	ReferenceEquals (String const &str, std::nullptr_t)
	Specialization of Object::ReferenceEquals for case of string and nullptr. More...

template<>
bool	ReferenceEquals (String const &str1, String const &str2)
	Specialization of Object::ReferenceEquals for case of strings. More...

Static Public Member Functions
static ASPOSECPP_SHARED_API SharedPtr< DSA >	Create ()
	Creates default DSA aglorithm implementation. More...

static ASPOSECPP_SHARED_API SharedPtr< DSA >	Create (const String &alg_name)
	Creates default DSA algorithm implementation. More...

static ASPOSECPP_SHARED_API SharedPtr< DSA >	Create (int32_t key_size_in_bits)
	Creates default DSA algorithm implementation with specifed key size. More...

static ASPOSECPP_SHARED_API SharedPtr< DSA >	Create (const DSAParameters &parameters)
	Creates default DSA algorithm implementation with specifed parameters. More...

static ASPOSECPP_SHARED_API SharedPtr< DSA >	CreateFromXmlString (const String &xml_string)
	Creates default DSA algorithm implementation with specifed XML-encoded parameters. More...

Static Public Member Functions inherited from System::Security::Cryptography::AsymmetricAlgorithm
static ASPOSECPP_SHARED_API SharedPtr< AsymmetricAlgorithm >	Create ()
	Creates a default algorithm. Not implemented. More...

static ASPOSECPP_SHARED_API SharedPtr< AsymmetricAlgorithm >	Create (const String &alg_name)
	Creates algorithm by name. Not implemented. More...

Static Public Member Functions inherited from System::Object
static bool	ReferenceEquals (ptr const &objA, ptr const &objB)
	Compares objects by reference. More...

template<typename T >
static std::enable_if<!IsSmartPtr< T >::value, bool >::type	ReferenceEquals (T const &objA, T const &objB)
	Compares objects by reference. More...

template<typename T >
static std::enable_if<!IsSmartPtr< T >::value, bool >::type	ReferenceEquals (T const &objA, std::nullptr_t)
	Reference-compares value type object with nullptr. More...

template<typename T1 , typename T2 >
static std::enable_if< IsSmartPtr< T1 >::value &&IsSmartPtr< T2 >::value, bool >::type	Equals (T1 const &objA, T2 const &objB)
	Compares reference type objects in C# style. More...

template<typename T1 , typename T2 >
static std::enable_if<!IsSmartPtr< T1 >::value &&!IsSmartPtr< T2 >::value, bool >::type	Equals (T1 const &objA, T2 const &objB)
	Compares value type objects in C# style. More...

static const TypeInfo &	Type ()
	Implements C# typeof(System.Object) construct. More...

Protected Member Functions
ASPOSECPP_SHARED_API	DSA ()

ASPOSECPP_SHARED_API	~DSA ()

virtual ASPOSECPP_SHARED_API ByteArrayPtr	HashData (ByteArrayPtr data, int32_t offset, int32_t count, HashAlgorithmName hash_algorithm)
	Computes the hash value of the specified data array using the specified hash algorithm. More...

virtual ASPOSECPP_SHARED_API ByteArrayPtr	HashData (StreamPtr stream, HashAlgorithmName hash_algorithm)
	Computes the hash value of the specified binary stream using the specified hash algorithm. More...

Protected Member Functions inherited from System::Security::Cryptography::AsymmetricAlgorithm
ASPOSECPP_SHARED_API	AsymmetricAlgorithm ()
	Constructor. More...

Additional Inherited Members
Public Types inherited from System::Object
typedef SmartPtr< Object >	ptr
	Alias for smart pointer type. More...

Protected Attributes inherited from System::Security::Cryptography::AsymmetricAlgorithm
int32_t	KeySizeValue
	Key size associated with algorithm. More...

ArrayPtr< SharedPtr< KeySizes > >	LegalKeySizesValue
	Enabled key sizes. More...

Detailed Description

Base class for implementations of DSA algorithm. Objects of this class should only be allocated using System::MakeObject() function. Never create instance of this type on stack or using operator new, as it will result in runtime errors and/or assertion faults. Always wrap this class into System::SmartPtr pointer and use this pointer to pass it to functions as argument.

Constructor & Destructor Documentation

◆ DSA()

ASPOSECPP_SHARED_API System::Security::Cryptography::DSA::DSA ( )

protected

◆ ~DSA()

ASPOSECPP_SHARED_API System::Security::Cryptography::DSA::~DSA ( )

protected

Member Function Documentation

◆ Create() [1/4]

static ASPOSECPP_SHARED_API SharedPtr<DSA> System::Security::Cryptography::DSA::Create ( )

static

Creates default DSA aglorithm implementation.

Returns: DSA algorithm object.

◆ Create() [2/4]

static ASPOSECPP_SHARED_API SharedPtr<DSA> System::Security::Cryptography::DSA::Create ( const String & alg_name )

static

Creates default DSA algorithm implementation.

Parameters

alg_name Must be "System.Security.Cryptography.DSACryptoServiceProvider".

Returns: DSA algorithm object.

◆ Create() [3/4]

static ASPOSECPP_SHARED_API SharedPtr<DSA> System::Security::Cryptography::DSA::Create ( int32_t key_size_in_bits )

static

Creates default DSA algorithm implementation with specifed key size.

Parameters

key_size_in_bits The key size, in bits.

◆ Create() [4/4]

static ASPOSECPP_SHARED_API SharedPtr<DSA> System::Security::Cryptography::DSA::Create ( const DSAParameters & parameters )

static

Creates default DSA algorithm implementation with specifed parameters.

Parameters

parameters The parameters for the DSA algorithm.

◆ CreateFromXmlString()

static ASPOSECPP_SHARED_API SharedPtr<DSA> System::Security::Cryptography::DSA::CreateFromXmlString ( const String & xml_string )

static

Creates default DSA algorithm implementation with specifed XML-encoded parameters.

Parameters

xml_string The parameters for the DSA algorithm.

◆ CreateSignature()

virtual ASPOSECPP_SHARED_API ByteArrayPtr System::Security::Cryptography::DSA::CreateSignature ( ByteArrayPtr rgb_hash )

pure virtual

Create DSA signature for the specified data.

Parameters

rgb_hash Data to be signed.

Returns: DSA signature.

Implemented in System::Security::Cryptography::DSACryptoServiceProvider.

◆ ExportParameters()

virtual ASPOSECPP_SHARED_API DSAParameters System::Security::Cryptography::DSA::ExportParameters ( bool include_private_parameters )

pure virtual

Exports all parameters.

Parameters

include_private_parameters True to export both private and public parameters, false to export public parameters only.

Returns: Exported parameters structure.

Implemented in System::Security::Cryptography::DSACryptoServiceProvider.

◆ FromXmlString()

virtual ASPOSECPP_SHARED_API void System::Security::Cryptography::DSA::FromXmlString ( String xml_string )

overridevirtual

Initializes object using XML-encoded parameters.

Parameters

xml_string Parameters in XML format.

Reimplemented from System::Security::Cryptography::AsymmetricAlgorithm.

◆ HashData() [1/2]

virtual ASPOSECPP_SHARED_API ByteArrayPtr System::Security::Cryptography::DSA::HashData	(	ByteArrayPtr	data,
		int32_t	offset,
		int32_t	count,
		HashAlgorithmName	hash_algorithm
	)

protectedvirtual

Computes the hash value of the specified data array using the specified hash algorithm.

Parameters

data	Data to hash.
offset	Offset in `data`.
count	Number of bytes to hash.
hash_algorithm	Hash algorithm.

Returns: Hashed data.

Reimplemented in System::Security::Cryptography::DSACryptoServiceProvider.

◆ HashData() [2/2]

virtual ASPOSECPP_SHARED_API ByteArrayPtr System::Security::Cryptography::DSA::HashData	(	StreamPtr	stream,
		HashAlgorithmName	hash_algorithm
	)

protectedvirtual

Computes the hash value of the specified binary stream using the specified hash algorithm.

Parameters

stream	Bynary stream to hashed.
hash_algorithm	Hash algorithm.

Returns: Hashed data.

Reimplemented in System::Security::Cryptography::DSACryptoServiceProvider.

◆ ImportParameters()

virtual ASPOSECPP_SHARED_API void System::Security::Cryptography::DSA::ImportParameters ( DSAParameters parameters )

pure virtual

Imports all parameters from data structure.

Parameters

parameters Structure to import parameters from.

Implemented in System::Security::Cryptography::DSACryptoServiceProvider.

◆ SignData() [1/3]

ASPOSECPP_SHARED_API ByteArrayPtr System::Security::Cryptography::DSA::SignData	(	const ByteArrayPtr &	data,
		const HashAlgorithmName &	hash_algorithm
	)

Computes the hash value of the specified data array using the specified hash algorithm, and signs the result.

Parameters

data	Input data array.
hash_algorithm	Hash algorithm. return DSA signature for the input data.

◆ SignData() [2/3]

ASPOSECPP_SHARED_API ByteArrayPtr System::Security::Cryptography::DSA::SignData	(	const ByteArrayPtr &	data,
		int32_t	offset,
		int32_t	count,
		const HashAlgorithmName &	hash_algorithm
	)

Computes the hash value of the specified data array using the specified hash algorithm, and signs the result.

Parameters

data	Input data array.
offset	Offset in `data`.
count	Number of bytes to use as input data.
hash_algorithm	Hash algorithm. return DSA signature for the input data.

◆ SignData() [3/3]

ASPOSECPP_SHARED_API ByteArrayPtr System::Security::Cryptography::DSA::SignData	(	const StreamPtr &	stream,
		const HashAlgorithmName &	hash_algorithm
	)

Computes the hash value of the specified binary stream using the specified hash algorithm, and signs the result.

Parameters

stream	Binary stream.
hash_algorithm	Hash algorithm. return DSA signature for the input data.

◆ ToXmlString()

virtual ASPOSECPP_SHARED_API String System::Security::Cryptography::DSA::ToXmlString ( bool include_private_parameters )

overridevirtual

Exports all parameters in XML format.

Parameters

include_private_parameters True to export both private and public parameters, false to export public parameters only.

Returns: XML-encoded parameters.

Reimplemented from System::Security::Cryptography::AsymmetricAlgorithm.

◆ VerifyData() [1/3]

ASPOSECPP_SHARED_API bool System::Security::Cryptography::DSA::VerifyData	(	const ByteArrayPtr &	data,
		const ByteArrayPtr &	signature,
		const HashAlgorithmName &	hash_algorithm
	)

Verifies that the signature of the specified data is valid.

Parameters

data	Signed data.
signature	Signature data.
hash_algorithm	Hash algorithm. return true if signature is valid, otherwise - false.

◆ VerifyData() [2/3]

ASPOSECPP_SHARED_API bool System::Security::Cryptography::DSA::VerifyData	(	const ByteArrayPtr &	data,
		int32_t	offset,
		int32_t	count,
		const ByteArrayPtr &	signature,
		const HashAlgorithmName &	hash_algorithm
	)

Verifies that the signature of the specified data is valid.

Parameters

data	Signed data.
offset	Offset in `data`.
count	Number of bytes to hash.
signature	Signature data.
hash_algorithm	Hash algorithm. return true if signature is valid, otherwise - false.

◆ VerifyData() [3/3]

ASPOSECPP_SHARED_API bool System::Security::Cryptography::DSA::VerifyData	(	const StreamPtr &	stream,
		const ByteArrayPtr &	signature,
		const HashAlgorithmName &	hash_algorithm
	)

Verifies that the signature of the specified binary stream is valid.

Parameters

stream	Signed data.
signature	Signature data.
hash_algorithm	Hash algorithm. return true if signature is valid, otherwise - false.

◆ VerifySignature()

virtual ASPOSECPP_SHARED_API bool System::Security::Cryptography::DSA::VerifySignature	(	ByteArrayPtr	rgb_hash,
		ByteArrayPtr	rgb_signature
	)

pure virtual

Verify DSA signature for the specified data.

Parameters

rgb_hash	Data signed with `rgb_signature`.
rgb_signature	DSA signature.

Returns: true - if rgb_signature matches the DSA signature computed on rgb_hash, otherwise - false.

Implemented in System::Security::Cryptography::DSACryptoServiceProvider.

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DSA()

◆ ~DSA()

Member Function Documentation

◆ Create() [1/4]

◆ Create() [2/4]

◆ Create() [3/4]

◆ Create() [4/4]

◆ CreateFromXmlString()

◆ CreateSignature()

◆ ExportParameters()

◆ FromXmlString()

◆ HashData() [1/2]

◆ HashData() [2/2]

◆ ImportParameters()

◆ SignData() [1/3]

◆ SignData() [2/3]

◆ SignData() [3/3]

◆ ToXmlString()

◆ VerifyData() [1/3]

◆ VerifyData() [2/3]

◆ VerifyData() [3/3]

◆ VerifySignature()