ECDiffieHellmanCng Constructors
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Initializes a new instance of the ECDiffieHellmanCng class.
| ECDiffieHellmanCng() |
Initializes a new instance of the ECDiffieHellmanCng class with a random key pair. |
| ECDiffieHellmanCng(Int32) |
Initializes a new instance of the ECDiffieHellmanCng class with a random key pair, using the specified key size. |
| ECDiffieHellmanCng(CngKey) |
Initializes a new instance of the ECDiffieHellmanCng class by using the specified CngKey object. |
| ECDiffieHellmanCng(ECCurve) |
Creates a new instance of the ECDiffieHellmanCng class whose public/private key pair is generated over the specified curve. |
- Source:
- Cng.NotSupported.cs
- Source:
- Cng.NotSupported.cs
- Source:
- Cng.NotSupported.cs
Initializes a new instance of the ECDiffieHellmanCng class with a random key pair.
public:
ECDiffieHellmanCng();[System.Runtime.Versioning.SupportedOSPlatform("windows")]
public ECDiffieHellmanCng();public ECDiffieHellmanCng();Public Sub New ()- Attributes
Remarks
The random key pair has a default public key length of 521 bits.
Applies to
.NET 10 and other versions
| Product | Versions |
|---|---|
| .NET | 6, 7, 8, 9, 10 |
| .NET Framework | 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 2.1 (package-provided) |
| Windows Desktop | 3.0, 3.1, 5 |
- Source:
- Cng.NotSupported.cs
- Source:
- Cng.NotSupported.cs
- Source:
- Cng.NotSupported.cs
Initializes a new instance of the ECDiffieHellmanCng class with a random key pair, using the specified key size.
public:
ECDiffieHellmanCng(int keySize);[System.Runtime.Versioning.SupportedOSPlatform("windows")]
public ECDiffieHellmanCng(int keySize);public ECDiffieHellmanCng(int keySize);[System.Security.SecurityCritical]
public ECDiffieHellmanCng(int keySize);[<System.Runtime.Versioning.SupportedOSPlatform("windows")>]
new System.Security.Cryptography.ECDiffieHellmanCng : int -> System.Security.Cryptography.ECDiffieHellmanCngnew System.Security.Cryptography.ECDiffieHellmanCng : int -> System.Security.Cryptography.ECDiffieHellmanCng[<System.Security.SecurityCritical>]
new System.Security.Cryptography.ECDiffieHellmanCng : int -> System.Security.Cryptography.ECDiffieHellmanCngPublic Sub New (keySize As Integer)Parameters
- keySize
- Int32
The size of the key. Valid key sizes are 256, 384, and 521 bits.
- Attributes
Exceptions
keySize specifies an invalid length.
Cryptography Next Generation (CNG) classes are not supported on this system.
Remarks
The random key pair will have the public key length defined by the keySize parameter.
Applies to
.NET 10 and other versions
| Product | Versions |
|---|---|
| .NET | 6, 7, 8, 9, 10 |
| .NET Framework | 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 2.1 (package-provided) |
| Windows Desktop | 3.0, 3.1, 5 |
- Source:
- Cng.NotSupported.cs
- Source:
- Cng.NotSupported.cs
- Source:
- Cng.NotSupported.cs
Initializes a new instance of the ECDiffieHellmanCng class by using the specified CngKey object.
public:
ECDiffieHellmanCng(System::Security::Cryptography::CngKey ^ key);[System.Runtime.Versioning.SupportedOSPlatform("windows")]
public ECDiffieHellmanCng(System.Security.Cryptography.CngKey key);public ECDiffieHellmanCng(System.Security.Cryptography.CngKey key);[System.Security.SecurityCritical]
public ECDiffieHellmanCng(System.Security.Cryptography.CngKey key);[<System.Runtime.Versioning.SupportedOSPlatform("windows")>]
new System.Security.Cryptography.ECDiffieHellmanCng : System.Security.Cryptography.CngKey -> System.Security.Cryptography.ECDiffieHellmanCngnew System.Security.Cryptography.ECDiffieHellmanCng : System.Security.Cryptography.CngKey -> System.Security.Cryptography.ECDiffieHellmanCng[<System.Security.SecurityCritical>]
new System.Security.Cryptography.ECDiffieHellmanCng : System.Security.Cryptography.CngKey -> System.Security.Cryptography.ECDiffieHellmanCngPublic Sub New (key As CngKey)Parameters
- key
- CngKey
The key that will be used as input to the cryptographic operations performed by the current object.
- Attributes
Exceptions
key is null.
key does not specify an Elliptic Curve Diffie-Hellman (ECDH) algorithm group.
Cryptography Next Generation (CNG) classes are not supported on this system.
Applies to
.NET 10 and other versions
| Product | Versions |
|---|---|
| .NET | 6, 7, 8, 9, 10 |
| .NET Framework | 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 2.1 (package-provided) |
| Windows Desktop | 3.0, 3.1, 5 |
- Source:
- Cng.NotSupported.cs
- Source:
- Cng.NotSupported.cs
- Source:
- Cng.NotSupported.cs
Creates a new instance of the ECDiffieHellmanCng class whose public/private key pair is generated over the specified curve.
public:
ECDiffieHellmanCng(System::Security::Cryptography::ECCurve curve);[System.Runtime.Versioning.SupportedOSPlatform("windows")]
public ECDiffieHellmanCng(System.Security.Cryptography.ECCurve curve);public ECDiffieHellmanCng(System.Security.Cryptography.ECCurve curve);[<System.Runtime.Versioning.SupportedOSPlatform("windows")>]
new System.Security.Cryptography.ECDiffieHellmanCng : System.Security.Cryptography.ECCurve -> System.Security.Cryptography.ECDiffieHellmanCngnew System.Security.Cryptography.ECDiffieHellmanCng : System.Security.Cryptography.ECCurve -> System.Security.Cryptography.ECDiffieHellmanCngPublic Sub New (curve As ECCurve)Parameters
- curve
- ECCurve
The curve used to generate the public/private key pair.
- Attributes
Exceptions
curve does not validate.
Remarks
curve must validate (that is, it must return true) when passed to the ECCurve.Validate method and must be either a named or explicit prime.
Applies to
.NET 10 and other versions
| Product | Versions |
|---|---|
| .NET | 6, 7, 8, 9, 10 |
| .NET Framework | 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| Windows Desktop | 3.0, 3.1, 5 |
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