Class Gost3410Algorithm

Represents the abstract class from which asymmetric algorithms can inherit.

Inheritance

object

AsymmetricAlgorithm

Gost3410Algorithm

Gost3410

Gost3410_2012_256

Gost3410_2012_512

Implements

IDisposable

Inherited Members

AsymmetricAlgorithm.KeySizeValue

AsymmetricAlgorithm.LegalKeySizesValue

AsymmetricAlgorithm.Clear()

AsymmetricAlgorithm.Create()

AsymmetricAlgorithm.Create(string)

AsymmetricAlgorithm.Dispose()

AsymmetricAlgorithm.Dispose(bool)

AsymmetricAlgorithm.ExportEncryptedPkcs8PrivateKey(ReadOnlySpan<byte>, PbeParameters)

AsymmetricAlgorithm.ExportEncryptedPkcs8PrivateKey(ReadOnlySpan<char>, PbeParameters)

AsymmetricAlgorithm.ExportEncryptedPkcs8PrivateKeyPem(ReadOnlySpan<byte>, PbeParameters)

AsymmetricAlgorithm.ExportEncryptedPkcs8PrivateKeyPem(ReadOnlySpan<char>, PbeParameters)

AsymmetricAlgorithm.ExportPkcs8PrivateKey()

AsymmetricAlgorithm.ExportPkcs8PrivateKeyPem()

AsymmetricAlgorithm.ExportSubjectPublicKeyInfo()

AsymmetricAlgorithm.ExportSubjectPublicKeyInfoPem()

AsymmetricAlgorithm.FromXmlString(string)

AsymmetricAlgorithm.ImportEncryptedPkcs8PrivateKey(ReadOnlySpan<byte>, ReadOnlySpan<byte>, out int)

AsymmetricAlgorithm.ImportEncryptedPkcs8PrivateKey(ReadOnlySpan<char>, ReadOnlySpan<byte>, out int)

AsymmetricAlgorithm.ImportFromEncryptedPem(ReadOnlySpan<char>, ReadOnlySpan<byte>)

AsymmetricAlgorithm.ImportFromEncryptedPem(ReadOnlySpan<char>, ReadOnlySpan<char>)

AsymmetricAlgorithm.ImportFromPem(ReadOnlySpan<char>)

AsymmetricAlgorithm.ImportPkcs8PrivateKey(ReadOnlySpan<byte>, out int)

AsymmetricAlgorithm.ImportSubjectPublicKeyInfo(ReadOnlySpan<byte>, out int)

AsymmetricAlgorithm.ToXmlString(bool)

AsymmetricAlgorithm.TryExportEncryptedPkcs8PrivateKey(ReadOnlySpan<byte>, PbeParameters, Span<byte>, out int)

AsymmetricAlgorithm.TryExportEncryptedPkcs8PrivateKey(ReadOnlySpan<char>, PbeParameters, Span<byte>, out int)

AsymmetricAlgorithm.TryExportEncryptedPkcs8PrivateKeyPem(ReadOnlySpan<byte>, PbeParameters, Span<char>, out int)

AsymmetricAlgorithm.TryExportEncryptedPkcs8PrivateKeyPem(ReadOnlySpan<char>, PbeParameters, Span<char>, out int)

AsymmetricAlgorithm.TryExportPkcs8PrivateKey(Span<byte>, out int)

AsymmetricAlgorithm.TryExportPkcs8PrivateKeyPem(Span<char>, out int)

AsymmetricAlgorithm.TryExportSubjectPublicKeyInfo(Span<byte>, out int)

AsymmetricAlgorithm.TryExportSubjectPublicKeyInfoPem(Span<char>, out int)

AsymmetricAlgorithm.KeyExchangeAlgorithm

AsymmetricAlgorithm.SignatureAlgorithm

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: CryptoPro.Security.Cryptography

Assembly: CryptoPro.Security.Cryptography.dll

Syntax

public abstract class Gost3410Algorithm : AsymmetricAlgorithm, IDisposable

Properties

HashAlgorithmName

Gets or sets the hash algorithm to use when signing and verifying data.

Declaration

protected abstract CpHashAlgorithmName HashAlgorithmName { get; }

Property Value

Type	Description
CpHashAlgorithmName

HashSizeInBytes

Gets the hash value size in bytes.

Declaration

protected abstract int HashSizeInBytes { get; }

Property Value

Type	Description
int

KeySize

Gets or sets the size, in bits, of the key modulus used by the asymmetric algorithm.

Declaration

public override sealed int KeySize { get; set; }

Property Value

Type	Description
int	The size, in bits, of the key modulus used by the asymmetric algorithm.

Overrides

AsymmetricAlgorithm.KeySize

Exceptions

Type	Condition
CryptographicException	The key modulus size is invalid.

KeySizeInBits

Gets the key size in bits.

Declaration

protected abstract int KeySizeInBits { get; }

Property Value

Type	Description
int

LegalKeySizes

Gets the key sizes that are supported by the asymmetric algorithm.

Declaration

public override sealed KeySizes[] LegalKeySizes { get; }

Property Value

Type	Description
KeySizes[]	An array that contains the key sizes supported by the asymmetric algorithm.

Overrides

AsymmetricAlgorithm.LegalKeySizes

SignatureSizeInBytes

Gets the signature value size in bytes.

Declaration

protected virtual int SignatureSizeInBytes { get; }

Property Value

Type	Description
int

Methods

CreateAgree(Gost3410Parameters)

Declaration

public abstract GostSharedSecretAlgorithm CreateAgree(Gost3410Parameters alg)

Parameters

Type	Name	Description
Gost3410Parameters	alg

Returns

Type	Description
GostSharedSecretAlgorithm

HashData(byte[], int, int)

Declaration

protected virtual byte[] HashData(byte[] data, int offset, int count)

Parameters

Type	Name	Description
byte[]	data
int	offset
int	count

Returns

Type	Description
byte[]

HashData(Stream)

Declaration

protected virtual byte[] HashData(Stream data)

Parameters

Type	Name	Description
Stream	data

Returns

Type	Description
byte[]

ImportPublicKey(ReadOnlySpan<byte>, ReadOnlySpan<byte>)

Imports encoded public key.

Declaration

public abstract void ImportPublicKey(ReadOnlySpan<byte> encodedPublicKey, ReadOnlySpan<byte> encodedParameters)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	encodedPublicKey	The encoded public key.
ReadOnlySpan<byte>	encodedParameters	The encoded parameters.

SignData(byte[])

Declaration

public virtual byte[] SignData(byte[] data)

Parameters

Type	Name	Description
byte[]	data

Returns

Type	Description
byte[]

SignData(byte[], int, int)

Declaration

public virtual byte[] SignData(byte[] data, int offset, int count)

Parameters

Type	Name	Description
byte[]	data
int	offset
int	count

Returns

Type	Description
byte[]

SignData(Stream)

Declaration

public virtual byte[] SignData(Stream data)

Parameters

Type	Name	Description
Stream	data

Returns

Type	Description
byte[]

SignData(ReadOnlySpan<byte>)

Declaration

public virtual byte[] SignData(ReadOnlySpan<byte> data)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	data

Returns

Type	Description
byte[]

SignData(ReadOnlySpan<byte>, Span<byte>)

Computes the hash value of the specified data and signs it in the indicated format into the provided buffer.

Declaration

public virtual int SignData(ReadOnlySpan<byte> data, Span<byte> destination)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	data	The data to hash and sign.
Span<byte>	destination	The buffer to receive the signature.

Returns

Type	Description
int	The total number of bytes written to destination.

Exceptions

Type	Condition
ArgumentException	The buffer in destination is too small to hold the signature.

SignDataCore(ReadOnlySpan<byte>)

Declaration

protected virtual byte[] SignDataCore(ReadOnlySpan<byte> data)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	data

Returns

Type	Description
byte[]

SignHash(byte[])

Declaration

public virtual byte[] SignHash(byte[] hash)

Parameters

Type	Name	Description
byte[]	hash

Returns

Type	Description
byte[]

SignHash(ReadOnlySpan<byte>)

Declaration

public virtual byte[] SignHash(ReadOnlySpan<byte> hash)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	hash

Returns

Type	Description
byte[]

SignHash(ReadOnlySpan<byte>, Span<byte>)

Declaration

public virtual int SignHash(ReadOnlySpan<byte> hash, Span<byte> destination)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	hash
Span<byte>	destination

Returns

Type	Description
int

SignHashCore(ReadOnlySpan<byte>)

Computes the ECDSA signature for the specified hash value in the indicated format.

Declaration

protected virtual byte[] SignHashCore(ReadOnlySpan<byte> hash)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	hash	The hash value to sign.

Returns

Type	Description
byte[]	The ECDSA signature for the specified data.

Exceptions

Type	Condition
CryptographicException	An error occurred in the signing operation.

TryHashData(ReadOnlySpan<byte>, Span<byte>, out int)

Declaration

protected virtual bool TryHashData(ReadOnlySpan<byte> data, Span<byte> destination, out int bytesWritten)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	data
Span<byte>	destination
int	bytesWritten

Returns

Type	Description
bool

TrySignData(ReadOnlySpan<byte>, Span<byte>, out int)

Declaration

public virtual bool TrySignData(ReadOnlySpan<byte> data, Span<byte> destination, out int bytesWritten)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	data
Span<byte>	destination
int	bytesWritten

Returns

Type	Description
bool

TrySignDataCore(ReadOnlySpan<byte>, Span<byte>, out int)

Attempts to create the ECDSA signature for the specified data in the indicated format into the provided buffer.

Declaration

protected virtual bool TrySignDataCore(ReadOnlySpan<byte> data, Span<byte> destination, out int bytesWritten)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	data	The data to hash and sign.
Span<byte>	destination	The buffer to receive the signature.
int	bytesWritten	When this method returns, contains a value that indicates the number of bytes written to destination. This parameter is treated as uninitialized.

Returns

Type	Description
bool	true if destination is big enough to receive the signature; otherwise, false.

Exceptions

Type	Condition
CryptographicException	An error occurred in the signing operation.

TrySignHash(ReadOnlySpan<byte>, Span<byte>, out int)

Declaration

public virtual bool TrySignHash(ReadOnlySpan<byte> hash, Span<byte> destination, out int bytesWritten)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	hash
Span<byte>	destination
int	bytesWritten

Returns

Type	Description
bool

TrySignHashCore(ReadOnlySpan<byte>, Span<byte>, out int)

Attempts to create the ECDSA signature for the specified hash value in the indicated format into the provided buffer.

Declaration

protected abstract bool TrySignHashCore(ReadOnlySpan<byte> hash, Span<byte> destination, out int bytesWritten)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	hash	The hash value to sign.
Span<byte>	destination	The buffer to receive the signature.
int	bytesWritten	When this method returns, contains a value that indicates the number of bytes written to destination. This parameter is treated as uninitialized.

Returns

Type	Description
bool	true if destination is big enough to receive the signature; otherwise, false.

Exceptions

Type	Condition
CryptographicException	An error occurred in the signing operation.

VerifyData(byte[], byte[])

Declaration

public virtual bool VerifyData(byte[] data, byte[] signature)

Parameters

Type	Name	Description
byte[]	data
byte[]	signature

Returns

Type	Description
bool

VerifyData(byte[], int, int, byte[])

Declaration

public virtual bool VerifyData(byte[] data, int offset, int count, byte[] signature)

Parameters

Type	Name	Description
byte[]	data
int	offset
int	count
byte[]	signature

Returns

Type	Description
bool

VerifyData(Stream, byte[])

Declaration

public virtual bool VerifyData(Stream data, byte[] signature)

Parameters

Type	Name	Description
Stream	data
byte[]	signature

Returns

Type	Description
bool

VerifyData(ReadOnlySpan<byte>, ReadOnlySpan<byte>)

Declaration

public virtual bool VerifyData(ReadOnlySpan<byte> data, ReadOnlySpan<byte> signature)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	data
ReadOnlySpan<byte>	signature

Returns

Type	Description
bool

VerifyDataCore(Stream, ReadOnlySpan<byte>)

Verifies that a digital signature is valid for the provided data.

Declaration

protected virtual bool VerifyDataCore(Stream data, ReadOnlySpan<byte> signature)

Parameters

Type	Name	Description
Stream	data	The signed data.
ReadOnlySpan<byte>	signature	The signature to verify.

Returns

Type	Description
bool	true if the digital signature is valid for the provided data; otherwise, false.

Exceptions

Type	Condition
CryptographicException	An error occurred in the hashing or verification operation.

VerifyDataCore(ReadOnlySpan<byte>, ReadOnlySpan<byte>)

Verifies that a digital signature is valid for the provided data.

Declaration

protected virtual bool VerifyDataCore(ReadOnlySpan<byte> data, ReadOnlySpan<byte> signature)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	data	The signed data.
ReadOnlySpan<byte>	signature	The signature to verify.

Returns

Type	Description
bool	true if the digital signature is valid for the provided data; otherwise, false.

Exceptions

Type	Condition
CryptographicException	An error occurred in the hashing or verification operation.

VerifyHash(byte[], byte[])

Declaration

public virtual bool VerifyHash(byte[] hash, byte[] signature)

Parameters

Type	Name	Description
byte[]	hash
byte[]	signature

Returns

Type	Description
bool

VerifyHash(ReadOnlySpan<byte>, ReadOnlySpan<byte>)

Declaration

public virtual bool VerifyHash(ReadOnlySpan<byte> hash, ReadOnlySpan<byte> signature)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	hash
ReadOnlySpan<byte>	signature

Returns

Type	Description
bool

VerifyHashCore(ReadOnlySpan<byte>, ReadOnlySpan<byte>)

Verifies that a digital signature is valid for the provided hash.

Declaration

protected abstract bool VerifyHashCore(ReadOnlySpan<byte> hash, ReadOnlySpan<byte> signature)

Parameters

Type	Name	Description
ReadOnlySpan<byte>	hash	The signed hash.
ReadOnlySpan<byte>	signature	The signature to verify.

Returns

Type	Description
bool	true if the digital signature is valid for the provided data; otherwise, false.

Exceptions

Type	Condition
CryptographicException	An error occurred in the verification operation.

Implements

IDisposable