ECDiffieHellman Class
Definition
Important
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Provides an abstract base class that Elliptic Curve Diffie-Hellman (ECDH) algorithm implementations can derive from. This class provides the basic set of operations that all ECDH implementations must support.
public ref class ECDiffieHellman abstract : System::Security::Cryptography::AsymmetricAlgorithmpublic ref class ECDiffieHellman abstract : System::Security::Cryptography::ECAlgorithm[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public abstract class ECDiffieHellman : System.Security.Cryptography.AsymmetricAlgorithmpublic abstract class ECDiffieHellman : System.Security.Cryptography.ECAlgorithmpublic abstract class ECDiffieHellman : System.Security.Cryptography.AsymmetricAlgorithm[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
type ECDiffieHellman = class
inherit AsymmetricAlgorithmtype ECDiffieHellman = class
inherit ECAlgorithmtype ECDiffieHellman = class
inherit AsymmetricAlgorithmPublic MustInherit Class ECDiffieHellman
Inherits AsymmetricAlgorithmPublic MustInherit Class ECDiffieHellman
Inherits ECAlgorithm- Inheritance
- Inheritance
- Derived
- Attributes
Remarks
This class serves as the abstract base class for ECDH implementations.
Constructors
| ECDiffieHellman() |
Initializes a new instance of the ECDiffieHellman class. |
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
| 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 that are supported by the asymmetric algorithm. (Inherited from AsymmetricAlgorithm) |
| PublicKey |
Gets the public key that is being used by the current Elliptic Curve Diffie-Hellman (ECDH) instance. |
| SignatureAlgorithm |
Gets the name of the signature algorithm. |
Methods
| Clear() |
Releases all resources used by the AsymmetricAlgorithm class. (Inherited from AsymmetricAlgorithm) |
| Create() |
Creates a new instance of the default implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm. |
| Create(ECCurve) |
Creates a new instance of the default implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm with a new public/private key-pair generated over the specified curve. |
| Create(ECParameters) |
Creates a new instance of the default implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm with the key described by the specified ECParameters object. |
| Create(String) |
Obsolete.
Creates a new instance of the specified implementation of the Elliptic Curve Diffie-Hellman (ECDH) algorithm. |
| DeriveKeyFromHash(ECDiffieHellmanPublicKey, HashAlgorithmName, Byte[], Byte[]) |
When implemented in a derived class, performs key derivation using a specified hash algorithm with optional prepended or appended data. |
| DeriveKeyFromHash(ECDiffieHellmanPublicKey, HashAlgorithmName) |
Performs key derivation using a specified hash algorithm. |
| DeriveKeyFromHmac(ECDiffieHellmanPublicKey, HashAlgorithmName, Byte[], Byte[], Byte[]) |
When implemented in a derived class, performs key derivation using a specified HMAC (Hash-based Message Authentication Code) algorithm with optional prepended or appended data. |
| DeriveKeyFromHmac(ECDiffieHellmanPublicKey, HashAlgorithmName, Byte[]) |
Performs key derivation using a specified HMAC (Hash-based Message Authentication Code) algorithm. |
| DeriveKeyMaterial(ECDiffieHellmanPublicKey) |
When implemented in a derived class, performs a key derivation on the shared secret. |
| DeriveKeyTls(ECDiffieHellmanPublicKey, Byte[], Byte[]) |
When implemented in a derived class, performs key derivation using the TLS (Transport Layer Security) 1.1 PRF (Pseudo-Random Function). |
| DeriveRawSecretAgreement(ECDiffieHellmanPublicKey) |
Derive raw key material. |
| 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) |
| ExportECPrivateKey() |
Exports the current key in the ECPrivateKey format. |
| ExportECPrivateKey() |
Exports the current key in the ECPrivateKey format. (Inherited from ECAlgorithm) |
| ExportECPrivateKeyPem() |
Exports the current key in the ECPrivateKey format, PEM encoded. (Inherited from ECAlgorithm) |
| 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) |
| ExportEncryptedPkcs8PrivateKeyPem(ReadOnlySpan<Byte>, PbeParameters) |
Exports the current key in the PKCS#8 EncryptedPrivateKeyInfo format with a byte-based password, PEM encoded. (Inherited from AsymmetricAlgorithm) |
| ExportEncryptedPkcs8PrivateKeyPem(ReadOnlySpan<Char>, PbeParameters) |
Exports the current key in the PKCS#8 EncryptedPrivateKeyInfo format with a char-based password, PEM encoded. (Inherited from AsymmetricAlgorithm) |
| ExportExplicitParameters(Boolean) |
When overridden in a derived class, exports either the public or the public and private key information using the explicit curve form from a working ECDiffieHellman key to an ECParameters structure so that it can be passed to the ImportParameters(ECParameters) method. |
| ExportExplicitParameters(Boolean) |
When overridden in a derived class, exports the explicit ECParameters for an ECCurve. (Inherited from ECAlgorithm) |
| ExportParameters(Boolean) |
When overridden in a derived class, exports either the public or the public and private key information from a working ECDiffieHellman key to an ECParameters structure so that it can be passed to the ImportParameters(ECParameters) method. |
| ExportParameters(Boolean) |
When overridden in a derived class, exports the named or explicit ECParameters for an ECCurve. If the curve has a name, the Curve property will contain named curve parameters otherwise it will contain explicit parameters. (Inherited from ECAlgorithm) |
| ExportPkcs8PrivateKey() |
Exports the current key in the PKCS#8 PrivateKeyInfo format. (Inherited from AsymmetricAlgorithm) |
| ExportPkcs8PrivateKeyPem() |
Exports the current key in the PKCS#8 PrivateKeyInfo format, PEM encoded. (Inherited from AsymmetricAlgorithm) |
| ExportSubjectPublicKeyInfo() |
Exports the public-key portion of the current key in the X.509 SubjectPublicKeyInfo format. (Inherited from AsymmetricAlgorithm) |
| ExportSubjectPublicKeyInfoPem() |
Exports the public-key portion of the current key in the X.509 SubjectPublicKeyInfo format, PEM encoded. (Inherited from AsymmetricAlgorithm) |
| FromXmlString(String) |
This method throws in all cases. |
| FromXmlString(String) |
When overridden in a derived class, reconstructs an AsymmetricAlgorithm object from an XML string. Otherwise, throws a NotImplementedException. (Inherited from AsymmetricAlgorithm) |
| GenerateKey(ECCurve) |
When overridden in a derived class, generates a new ephemeral public/private key pair for the specified curve. |
| GenerateKey(ECCurve) |
When overridden in a derived class, generates a new public/private keypair for the specified curve. (Inherited from ECAlgorithm) |
| GetHashCode() |
Serves as the default hash function. (Inherited from Object) |
| GetType() |
Gets the Type of the current instance. (Inherited from Object) |
| ImportECPrivateKey(ReadOnlySpan<Byte>, Int32) |
Imports the public/private keypair from an ECPrivateKey structure, replacing the keys for this object. |
| ImportECPrivateKey(ReadOnlySpan<Byte>, Int32) |
Imports the public/private keypair from an ECPrivateKey structure, replacing the keys for this object. (Inherited from ECAlgorithm) |
| 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. |
| ImportEncryptedPkcs8PrivateKey(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Int32) |
When overridden in a derived class, 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 AsymmetricAlgorithm) |
| 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 ECAlgorithm) |
| 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. |
| ImportEncryptedPkcs8PrivateKey(ReadOnlySpan<Char>, ReadOnlySpan<Byte>, Int32) |
When overridden in a derived class, 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 AsymmetricAlgorithm) |
| ImportEncryptedPkcs8PrivateKey(ReadOnlySpan<Char>, 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 ECAlgorithm) |
| ImportFromEncryptedPem(ReadOnlySpan<Char>, ReadOnlySpan<Byte>) |
Imports an encrypted RFC 7468 PEM-encoded private key, replacing the keys for this object. |
| ImportFromEncryptedPem(ReadOnlySpan<Char>, ReadOnlySpan<Byte>) |
When overridden in a derived class, imports an encrypted RFC 7468 PEM-encoded key, replacing the keys for this object. (Inherited from AsymmetricAlgorithm) |
| ImportFromEncryptedPem(ReadOnlySpan<Char>, ReadOnlySpan<Byte>) |
Imports an encrypted RFC 7468 PEM-encoded private key, replacing the keys for this object. (Inherited from ECAlgorithm) |
| ImportFromEncryptedPem(ReadOnlySpan<Char>, ReadOnlySpan<Char>) |
Imports an encrypted RFC 7468 PEM-encoded private key, replacing the keys for this object. |
| ImportFromEncryptedPem(ReadOnlySpan<Char>, ReadOnlySpan<Char>) |
When overridden in a derived class, imports an encrypted RFC 7468 PEM-encoded key, replacing the keys for this object. (Inherited from AsymmetricAlgorithm) |
| ImportFromEncryptedPem(ReadOnlySpan<Char>, ReadOnlySpan<Char>) |
Imports an encrypted RFC 7468 PEM-encoded private key, replacing the keys for this object. (Inherited from ECAlgorithm) |
| ImportFromPem(ReadOnlySpan<Char>) |
Imports an RFC 7468 PEM-encoded key, replacing the keys for this object. |
| ImportFromPem(ReadOnlySpan<Char>) |
When overridden in a derived class, imports an RFC 7468 textually encoded key, replacing the keys for this object. (Inherited from AsymmetricAlgorithm) |
| ImportFromPem(ReadOnlySpan<Char>) |
Imports an RFC 7468 PEM-encoded key, replacing the keys for this object. (Inherited from ECAlgorithm) |
| ImportParameters(ECParameters) |
When overridden in a derived class, imports the specified parameters for an ECCurve as an ephemeral key into the current ECDiffieHellman object. |
| ImportParameters(ECParameters) |
When overridden in a derived class, imports the specified ECParameters. (Inherited from ECAlgorithm) |
| ImportPkcs8PrivateKey(ReadOnlySpan<Byte>, Int32) |
Imports the public/private keypair from a PKCS#8 PrivateKeyInfo structure after decryption, replacing the keys for this object. |
| ImportPkcs8PrivateKey(ReadOnlySpan<Byte>, Int32) |
When overriden in a derived class, imports the public/private keypair from a PKCS#8 PrivateKeyInfo structure after decryption, replacing the keys for this object. (Inherited from AsymmetricAlgorithm) |
| 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 ECAlgorithm) |
| ImportSubjectPublicKeyInfo(ReadOnlySpan<Byte>, Int32) |
Imports the public key from an X.509 SubjectPublicKeyInfo structure after decryption, replacing the keys for this object. |
| ImportSubjectPublicKeyInfo(ReadOnlySpan<Byte>, Int32) |
When overriden in a derived class, imports the public key from an X.509 SubjectPublicKeyInfo structure after decryption, replacing the keys for this object. (Inherited from AsymmetricAlgorithm) |
| ImportSubjectPublicKeyInfo(ReadOnlySpan<Byte>, Int32) |
Imports the public key from an X.509 SubjectPublicKeyInfo structure after decryption, replacing the keys for this object (Inherited from ECAlgorithm) |
| MemberwiseClone() |
Creates a shallow copy of the current Object. (Inherited from Object) |
| ToString() |
Returns a string that represents the current object. (Inherited from Object) |
| ToXmlString(Boolean) |
This method throws in all cases. |
| ToXmlString(Boolean) |
When overridden in a derived class, creates and returns an XML string representation of the current AsymmetricAlgorithm object. Otherwise, throws a NotImplementedException. (Inherited from AsymmetricAlgorithm) |
| TryExportECPrivateKey(Span<Byte>, Int32) |
Attempts to export the current key in the |
| TryExportECPrivateKey(Span<Byte>, Int32) |
Attempts to export the current key in the ECPrivateKey format into a provided buffer. (Inherited from ECAlgorithm) |
| TryExportECPrivateKeyPem(Span<Char>, Int32) |
Attempts to export the current key in the PEM-encoded ECPrivateKey format into a provided buffer. (Inherited from ECAlgorithm) |
| 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. |
| TryExportEncryptedPkcs8PrivateKey(ReadOnlySpan<Byte>, PbeParameters, Span<Byte>, Int32) |
When overridden in a derived class, attempts to export the current key in the PKCS#8 EncryptedPrivateKeyInfo format into a provided buffer, using a byte-based password. (Inherited from AsymmetricAlgorithm) |
| 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 ECAlgorithm) |
| 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. |
| TryExportEncryptedPkcs8PrivateKey(ReadOnlySpan<Char>, PbeParameters, Span<Byte>, Int32) |
When overriden in a derived class, attempts to export the current key in the PKCS#8 EncryptedPrivateKeyInfo format into a provided buffer, using a char-based password. (Inherited from AsymmetricAlgorithm) |
| 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 ECAlgorithm) |
| TryExportEncryptedPkcs8PrivateKeyPem(ReadOnlySpan<Byte>, PbeParameters, Span<Char>, Int32) |
Attempts to export the current key in the PKCS#8 EncryptedPrivateKeyInfo format with a byte-based password, PEM encoded. (Inherited from AsymmetricAlgorithm) |
| TryExportEncryptedPkcs8PrivateKeyPem(ReadOnlySpan<Char>, PbeParameters, Span<Char>, Int32) |
Exports the current key in the PKCS#8 EncryptedPrivateKeyInfo format with a char-based password, PEM encoded. (Inherited from AsymmetricAlgorithm) |
| TryExportPkcs8PrivateKey(Span<Byte>, Int32) |
Attempts to export the current key in the PKCS#8 PrivateKeyInfo format into a provided buffer. |
| TryExportPkcs8PrivateKey(Span<Byte>, Int32) |
When overridden in a derived class, attempts to export the current key in the PKCS#8 PrivateKeyInfo format into a provided buffer. (Inherited from AsymmetricAlgorithm) |
| TryExportPkcs8PrivateKey(Span<Byte>, Int32) |
Attempts to export the current key in the PKCS#8 PrivateKeyInfo format into a provided buffer. (Inherited from ECAlgorithm) |
| TryExportPkcs8PrivateKeyPem(Span<Char>, Int32) |
Attempts to export the current key in the PEM-encoded PKCS#8 PrivateKeyInfo format into a provided buffer. (Inherited from AsymmetricAlgorithm) |
| TryExportSubjectPublicKeyInfo(Span<Byte>, Int32) |
Attempts to export the current key in the X.509 SubjectPublicKeyInfo format into a provided buffer. |
| TryExportSubjectPublicKeyInfo(Span<Byte>, Int32) |
When overridden in a derived class, attempts to export the current key in the X.509 SubjectPublicKeyInfo format into a provided buffer. (Inherited from AsymmetricAlgorithm) |
| TryExportSubjectPublicKeyInfo(Span<Byte>, Int32) |
Attempts to export the current key in the X.509 SubjectPublicKeyInfo format into a provided buffer. (Inherited from ECAlgorithm) |
| TryExportSubjectPublicKeyInfoPem(Span<Char>, Int32) |
Attempts to export the current key in the PEM-encoded X.509 SubjectPublicKeyInfo format into a provided buffer. (Inherited from AsymmetricAlgorithm) |
Explicit Interface Implementations
| IDisposable.Dispose() |
This API supports the product infrastructure and is not intended to be used directly from your code. For a description of this member, see Dispose(). (Inherited from AsymmetricAlgorithm) |
