ECDsaCng::SignData Method (Stream^)
Generates a signature for the specified data stream, reading to the end of the stream.
Assembly: System.Core (in System.Core.dll)
Parameters
- data
-
Type:
System.IO::Stream^
The data stream to be signed.
| Exception | Condition |
|---|---|
| ArgumentNullException | data is null. |
| CryptographicException | The key information that is associated with the instance does not have a private key. |
This method generates a signature for the specified data stream by hashing the input data using the HashAlgorithm property, and then signing the result.
The KeyContainerPermissionFlags::Sign flag is required if the Cryptography Next Generation (CNG) key is not randomly generated by the ECDsaCng object.
for permission to sign data. Demand value: Demand. Associated enumeration: KeyContainerPermissionFlags::Sign
Available since 3.5