RSA.SignData Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Computes the hash value of the specified data and signs it.
Overloads
| SignData(Byte[], HashAlgorithmName, RSASignaturePadding) |
Computes the hash value of the specified byte array using the specified hash algorithm and padding mode, and signs the resulting hash value. |
| SignData(Stream, HashAlgorithmName, RSASignaturePadding) |
Computes the hash value of the specified stream using the specified hash algorithm and padding mode, and signs the resulting hash value. |
| SignData(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. |
SignData(Byte[], HashAlgorithmName, RSASignaturePadding)
Computes the hash value of the specified byte array using the specified hash algorithm and padding mode, and signs the resulting hash value.
public:
cli::array <System::Byte> ^ SignData(cli::array <System::Byte> ^ data, System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::Security::Cryptography::RSASignaturePadding ^ padding);
public byte[] SignData (byte[] data, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding);
member this.SignData : byte[] * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> byte[]
Public Function SignData (data As Byte(), hashAlgorithm As HashAlgorithmName, padding As RSASignaturePadding) As Byte()
Parameters
- data
- Byte[]
The input data to hash and sign.
- hashAlgorithm
- HashAlgorithmName
The hash algorithm to use to create the hash value.
- padding
- RSASignaturePadding
The padding mode.
Returns
- Byte[]
The RSA signature for the specified data.
Exceptions
padding is unknown, or not supported by this implementation.
-or-
This instance represents only a public key.
-or-
An error occurred creating the signature.
See also
- TrySignData(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, RSASignaturePadding, Int32)
- SignHash(Byte[], HashAlgorithmName, RSASignaturePadding)
Applies to
SignData(Stream, HashAlgorithmName, RSASignaturePadding)
Computes the hash value of the specified stream using the specified hash algorithm and padding mode, and signs the resulting hash value.
public:
virtual cli::array <System::Byte> ^ SignData(System::IO::Stream ^ data, System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::Security::Cryptography::RSASignaturePadding ^ padding);
public virtual byte[] SignData (System.IO.Stream data, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding);
abstract member SignData : System.IO.Stream * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> byte[]
override this.SignData : System.IO.Stream * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> byte[]
Public Overridable Function SignData (data As Stream, hashAlgorithm As HashAlgorithmName, padding As RSASignaturePadding) As Byte()
Parameters
- data
- Stream
The input stream to hash and sign.
- hashAlgorithm
- HashAlgorithmName
The hash algorithm to use to create the hash value.
- padding
- RSASignaturePadding
The padding mode.
Returns
- Byte[]
The RSA signature for the specified data.
Exceptions
padding is unknown, or not supported by this implementation.
-or-
This instance represents only a public key.
-or-
An error occurred creating the signature.
See also
- TrySignData(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, RSASignaturePadding, Int32)
- SignHash(Byte[], HashAlgorithmName, RSASignaturePadding)
Applies to
SignData(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.
public:
virtual cli::array <System::Byte> ^ SignData(cli::array <System::Byte> ^ data, int offset, int count, System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::Security::Cryptography::RSASignaturePadding ^ padding);
public virtual byte[] SignData (byte[] data, int offset, int count, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding);
abstract member SignData : byte[] * int * int * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> byte[]
override this.SignData : byte[] * int * int * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> byte[]
Public Overridable Function SignData (data As Byte(), offset As Integer, count As Integer, hashAlgorithm As HashAlgorithmName, padding As RSASignaturePadding) As Byte()
Parameters
- data
- Byte[]
The input data to hash and sign.
- offset
- Int32
The offset into the array at which to begin using data.
- count
- Int32
The number of bytes in the array to use as data.
- hashAlgorithm
- HashAlgorithmName
The hash algorithm to use to create the hash value.
- padding
- RSASignaturePadding
The padding mode.
Returns
- Byte[]
The RSA signature for the specified data.
Exceptions
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.
padding is unknown, or not supported by this implementation.
-or-
This instance represents only a public key.
-or-
An error occurred creating the signature.
See also
- TrySignData(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, RSASignaturePadding, Int32)
- SignHash(Byte[], HashAlgorithmName, RSASignaturePadding)