Class Gost3412_2015_Kexp15

Провайдер алгоритма ключа kexp15.

Inheritance
object
SymmetricAlgorithm
Gost3412_2015_Kexp15
Gost3412_2015_Kexp15_KCryptoServiceProvider
Gost3412_2015_Kexp15_MCryptoServiceProvider
Implements
Inherited Members
Namespace: CryptoPro.Security.Cryptography
Assembly: CryptoPro.Security.Cryptography.dll
Syntax
public abstract class Gost3412_2015_Kexp15 : SymmetricAlgorithm, IDisposable

Fields

BitsPerByte

Бит в байте.

Declaration
protected const int BitsPerByte = 8
Field Value
Type Description
int

Properties

DefaultIvSize

Размер синхропосылки - половина размера блока.

Declaration
public int DefaultIvSize { get; }
Property Value
Type Description
int

IV

Gets or sets the initialization vector (IV) for the symmetric algorithm.

Declaration
public override byte[] IV { get; set; }
Property Value
Type Description
byte[]

The initialization vector.
Overrides
Exceptions
Type Condition
ArgumentNullException

An attempt was made to set the initialization vector to null.
CryptographicException

An attempt was made to set the initialization vector to an invalid size.

KeySize

Gets or sets the size, in bits, of the secret key used by the symmetric algorithm.

Declaration
public override int KeySize { get; set; }
Property Value
Type Description
int

The size, in bits, of the secret key used by the symmetric algorithm.
Overrides
Exceptions
Type Condition
CryptographicException

The key size is not valid.

Methods

CreateDecryptor(byte[], byte[])

When overridden in a derived class, creates a symmetric decryptor object with the specified Key property and initialization vector (IV).

Declaration
public override ICryptoTransform CreateDecryptor(byte[] rgbKey, byte[] rgbIV)
Parameters
Type Name Description
byte[] rgbKey

The secret key to use for the symmetric algorithm.
byte[] rgbIV

The initialization vector to use for the symmetric algorithm.
Returns
Type Description
ICryptoTransform

A symmetric decryptor object.
Overrides

CreateEncryptor(byte[], byte[])

When overridden in a derived class, creates a symmetric encryptor object with the specified Key property and initialization vector (IV).

Declaration
public override ICryptoTransform CreateEncryptor(byte[] rgbKey, byte[] rgbIV)
Parameters
Type Name Description
byte[] rgbKey

The secret key to use for the symmetric algorithm.
byte[] rgbIV

The initialization vector to use for the symmetric algorithm.
Returns
Type Description
ICryptoTransform

A symmetric encryptor object.
Overrides

GenerateIV()

When overridden in a derived class, generates a random initialization vector (IV) to use for the algorithm.

Declaration
public override void GenerateIV()
Overrides

GenerateKey()

When overridden in a derived class, generates a random key (Key) to use for the algorithm.

Declaration
public override void GenerateKey()
Overrides

Unwrap3412_2015_K(byte[])

Импортирует (расшифровывает) секретный ключ.

Declaration
public abstract SymmetricAlgorithm Unwrap3412_2015_K(byte[] wrapped)
Parameters
Type Name Description
byte[] wrapped

Зашифрованный секретный ключ.
Returns
Type Description
SymmetricAlgorithm

Unwrap3412_2015_M(byte[])

Импортирует (расшифровывает) секретный ключ.

Declaration
public abstract SymmetricAlgorithm Unwrap3412_2015_M(byte[] wrapped)
Parameters
Type Name Description
byte[] wrapped

Зашифрованный секретный ключ.
Returns
Type Description
SymmetricAlgorithm

Wrap(Gost3412_2015_K, GostKeyWrapMethod)

Экспортирует (шифрует) секретный ключ.

Declaration
public abstract byte[] Wrap(Gost3412_2015_K prov, GostKeyWrapMethod method)
Parameters
Type Name Description
Gost3412_2015_K prov

Шифруемый ключ.
GostKeyWrapMethod method

Алгоритм экспорта ключа.
Returns
Type Description
byte[]

Зашифрованный симметричный ключ

Wrap(Gost3412_2015_M, GostKeyWrapMethod)

Экспортирует (шифрует) секретный ключ.

Declaration
public abstract byte[] Wrap(Gost3412_2015_M prov, GostKeyWrapMethod method)
Parameters
Type Name Description
Gost3412_2015_M prov

Шифруемый ключ.
GostKeyWrapMethod method

Алгоритм экспорта ключа.
Returns
Type Description
byte[]

Зашифрованный симметричный ключ

Implements