DSACng Class
Definition
Provides a Cryptography Next Generation (CNG) implementation of the Digital Signature Algorithm (DSA).
public ref class DSACng sealed : System::Security::Cryptography::DSApublic sealed class DSACng : System.Security.Cryptography.DSAtype DSACng = class
inherit DSAPublic NotInheritable Class DSACng
Inherits DSA- Inheritance
Constructors
| DSACng() |
Initializes a new instance of the DSACng class with a random 2,048-bit key pair. |
| DSACng(CngKey) |
Initializes a new instance of the DSACng class with the specified key. |
| DSACng(Int32) |
Initializes a new instance of the DSACng class with a randomly generated key of the specified 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
| Key |
Gets the key that will be used by the DSACng object for any cryptographic operation that it performs. |
| KeyExchangeAlgorithm |
Gets the name of the key exchange algorithm. |
| KeySize |
Gets or sets the size, in bits, of the key modulus used by the asymmetric algorithm. (Inherited from AsymmetricAlgorithm) |
| LegalKeySizes |
Gets the key sizes, in bits, that are supported by the DSA algorithm. |
| SignatureAlgorithm |
Gets the name of the signature algorithm. |
Methods
| Clear() |
Releases all resources used by the AsymmetricAlgorithm class. (Inherited from AsymmetricAlgorithm) |
| CreateSignature(Byte[]) |
Creates the DSA signature for the specified data. |
| 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) |
| Equals(Object) |
Determines whether the specified object is equal to the current object. (Inherited from 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) |
| ExportParameters(Boolean) |
Exports the DSA algorithm parameters. |
| ExportPkcs8PrivateKey() |
Exports the current key in the PKCS#8 PrivateKeyInfo format. (Inherited from AsymmetricAlgorithm) |
| ExportSubjectPublicKeyInfo() |
Exports the public-key portion of the current key in the X.509 SubjectPublicKeyInfo format. (Inherited from AsymmetricAlgorithm) |
| FromXmlString(String) |
Reconstructs a DSA object from an XML string. (Inherited from DSA) |
| GetHashCode() |
Serves as the default hash function. (Inherited from Object) |
| 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 DSA) |
| 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 DSA) |
| 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. (Inherited from DSA) |
| 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. (Inherited from DSA) |
| ImportParameters(DSAParameters) |
Replaces the existing key that the current instance is working with by creating a new CngKey for the parameters structure. |
| 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 DSA) |
| ImportSubjectPublicKeyInfo(ReadOnlySpan<Byte>, Int32) |
Imports the public key from an X.509 SubjectPublicKeyInfo structure after decryption, replacing the keys for this object. (Inherited from DSA) |
| MemberwiseClone() |
Creates a shallow copy of the current Object. (Inherited from Object) |
| SignData(Byte[], HashAlgorithmName) |
Computes the hash value of the specified byte array using the specified hash algorithm and signs the resulting hash value. (Inherited from DSA) |
| SignData(Byte[], Int32, Int32, HashAlgorithmName) |
Computes the hash value of a portion of the specified byte array using the specified hash algorithm and signs the resulting hash value. (Inherited from DSA) |
| SignData(Stream, HashAlgorithmName) |
Computes the hash value of the specified stream using the specified hash algorithm and signs the resulting hash value. (Inherited from DSA) |
| ToString() |
Returns a string that represents the current object. (Inherited from Object) |
| ToXmlString(Boolean) |
Creates and returns an XML string representation of the current DSA object. (Inherited from DSA) |
| TryCreateSignature(ReadOnlySpan<Byte>, Span<Byte>, Int32) |
Attempts to create the DSA signature for the specified hash into the provided buffer. (Inherited from DSA) |
| 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 DSA) |
| 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 DSA) |
| TryExportPkcs8PrivateKey(Span<Byte>, Int32) |
Attempts to export the current key in the PKCS#8 PrivateKeyInfo format into a provided buffer. (Inherited from DSA) |
| TryExportSubjectPublicKeyInfo(Span<Byte>, Int32) |
Attempts to export the current key in the X.509 SubjectPublicKeyInfo format into a provided buffer. (Inherited from DSA) |
| TryHashData(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, Int32) |
Attempts to compute the hash value of the provided data into a provided buffer. (Inherited from DSA) |
| TrySignData(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, Int32) |
Attempts to create the DSA signature for the specified data into the provided buffer. (Inherited from DSA) |
| VerifyData(Byte[], Byte[], HashAlgorithmName) |
Verifies that a digital signature is valid by calculating the hash value of the specified data using the specified hash algorithm and comparing it to the provided signature. (Inherited from DSA) |
| VerifyData(Byte[], Int32, Int32, Byte[], HashAlgorithmName) |
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 comparing it to the provided signature. (Inherited from DSA) |
| VerifyData(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, HashAlgorithmName) |
Verifies that a digital signature is valid by calculating the hash value of the data in a byte span using the specified hash algorithm and comparing it to the provided signature. (Inherited from DSA) |
| VerifyData(Stream, Byte[], HashAlgorithmName) |
Verifies that a digital signature is valid by calculating the hash value of the specified stream using the specified hash algorithm and comparing it to the provided signature. (Inherited from DSA) |
| VerifySignature(Byte[], Byte[]) |
Verifies if the specified digital signature matches the specified hash. |
| VerifySignature(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>) |
Verifies that a digital signature is valid for a provided data hash. (Inherited from DSA) |
Explicit Interface Implementations
| IDisposable.Dispose() |
For a description of this member, see Dispose(). (Inherited from AsymmetricAlgorithm) |