RSA::SignData Method (array<Byte>^, Int32, Int32, HashAlgorithmName, RSASignaturePadding^)

 

Computes the hash value of a portion of the specified byte array using the specified hash algorithm and padding mode, and signs the resulting hash value.

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

public:
virtual array<unsigned char>^ SignData(
	array<unsigned char>^ data,
	int offset,
	int count,
	HashAlgorithmName hashAlgorithm,
	RSASignaturePadding^ padding
)

Parameters

data
Type: array<System::Byte>^

The input data for which to compute the hash.

offset
Type: System::Int32

The offset into the array at which to begin using data.

count
Type: System::Int32

The number of bytes in the array to use as data.

hashAlgorithm
Type: System.Security.Cryptography::HashAlgorithmName

The hash algorithm to use to create the hash value.

padding
Type: System.Security.Cryptography::RSASignaturePadding^

The padding mode.

Return Value

Type: array<System::Byte>^

The RSA signature for the specified data.

Exception Condition
ArgumentNullException

data is null.

-or-

padding is null.

ArgumentException

hashAlgorithm.Name is null or String::Empty.

ArgumentOutOfRangeException

offset is less than zero.

-or-

count is less than zero.

-or-

offset + count – 1 results in an index that is beyond the upper bound of data.

.NET Framework
Available since 4.6
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