SHA1.Create Method

Definition

Namespace:

System.Security.Cryptography

Assembly:

System.Security.Cryptography.dll

Allows specific implementations of this abstract class to be instantiated.

Overloads

Create()	Creates an instance of the default implementation of SHA1.
Create(String)	Obsolete. Creates an instance of the specified implementation of SHA1.

Create()

Source:

SHA1.cs

Creates an instance of the default implementation of SHA1.

public:
 static System::Security::Cryptography::SHA1 ^ Create();

public static System.Security.Cryptography.SHA1 Create ();

static member Create : unit -> System.Security.Cryptography.SHA1

Public Shared Function Create () As SHA1

Returns

SHA1

A new instance of SHA1.

Remarks

The default implementation of SHA1 is SHA1CryptoServiceProvider.

See also

• Cryptographic Services

Create(String)

Source:

SHA1.cs

Caution

Cryptographic factory methods accepting an algorithm name are obsolete. Use the parameterless Create factory method on the algorithm type instead.

Creates an instance of the specified implementation of SHA1.

public:
 static System::Security::Cryptography::SHA1 ^ Create(System::String ^ hashName);

[System.Obsolete("Cryptographic factory methods accepting an algorithm name are obsolete. Use the parameterless Create factory method on the algorithm type instead.", DiagnosticId="SYSLIB0045", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public static System.Security.Cryptography.SHA1? Create (string hashName);

[<System.Obsolete("Cryptographic factory methods accepting an algorithm name are obsolete. Use the parameterless Create factory method on the algorithm type instead.", DiagnosticId="SYSLIB0045", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
static member Create : string -> System.Security.Cryptography.SHA1

Public Shared Function Create (hashName As String) As SHA1

Parameters

hashName

String

The name of the specific implementation of SHA1 to be used.

Returns

SHA1

A new instance of SHA1 using the specified implementation.

Attributes

ObsoleteAttribute

Remarks

Due to collision problems with SHA1, Microsoft recommends a security model based on SHA256 or better.

See also

• Cryptographic Services