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ECDsaCng::SignHash Method (array<Byte>^)

 

Generates a signature for the specified hash value.

Namespace:   System.Security.Cryptography
Assembly:  System.Core (in System.Core.dll)

public:
virtual array<unsigned char>^ SignHash(
	array<unsigned char>^ hash
) override

Parameters

hash
Type: array<System::Byte>^

The hash value of the data to be signed.

Return Value

Type: array<System::Byte>^

A digital signature for the specified hash value.

Exception Condition
ArgumentNullException

hash is null.

CryptographicException

The key information that is associated with the instance does not have a private key.

The KeyContainerPermissionFlags::Sign flag is required if the Cryptography Next Generation (CNG) key is not randomly generated by the ECDsaCng object.

KeyContainerPermission

for permission to sign data. Demand value: Demand. Associated enumeration: KeyContainerPermissionFlags::Sign

.NET Framework
Available since 3.5
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