CngKey.Export(CngKeyBlobFormat) Method
Definition
Important
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Exports the key material into a BLOB, in the specified format.
public:
cli::array <System::Byte> ^ Export(System::Security::Cryptography::CngKeyBlobFormat ^ format);
public byte[] Export (System.Security.Cryptography.CngKeyBlobFormat format);
[System.Security.SecurityCritical]
public byte[] Export (System.Security.Cryptography.CngKeyBlobFormat format);
member this.Export : System.Security.Cryptography.CngKeyBlobFormat -> byte[]
[<System.Security.SecurityCritical>]
member this.Export : System.Security.Cryptography.CngKeyBlobFormat -> byte[]
Public Function Export (format As CngKeyBlobFormat) As Byte()
Parameters
- format
- CngKeyBlobFormat
An object that specifies the format of the key BLOB.
Returns
A BLOB that contains the key material in the specified format.
- Attributes
Exceptions
format
is null
.
All other errors. Typically, the ExportPolicy does not allow the key to be exported.
Remarks
Cryptography Next Generation (CNG) allows export in any format that the underlying key storage provider (KSP) supports. For example, on Windows Vista,the default KSP (which is MicrosoftSoftwareKeyStorageProvider) only allows export of private keys in the Pkcs8PrivateBlob, EccPrivateBlob, and OpaqueTransportBlob formats. This restriction is controlled by the underlying KSP. If you use a different KSP, other formats may apply.
Applies to
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