RSA.SignHash Method

Reference

Definition

Namespace:: System.Security.Cryptography

Assembly:: System.Security.Cryptography.Algorithms.dll

Assembly:: System.Security.Cryptography.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Important

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Overloads

SignHash(Byte[], HashAlgorithmName, RSASignaturePadding)	When overridden in a derived class, computes the signature for the specified hash value using the specified padding.
SignHash(ReadOnlySpan<Byte>, HashAlgorithmName, RSASignaturePadding)	Computes the signature for the specified hash value using the specified padding.
SignHash(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, RSASignaturePadding)	Signs the hash with the current key, writing the signature into a provided buffer.

SignHash(Byte[], HashAlgorithmName, RSASignaturePadding)

Source:: RSA.cs

Source:: RSA.cs

Source:: RSA.cs

When overridden in a derived class, computes the signature for the specified hash value using the specified padding.

public:
 virtual cli::array <System::Byte> ^ SignHash(cli::array <System::Byte> ^ hash, System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::Security::Cryptography::RSASignaturePadding ^ padding);

public:
 abstract cli::array <System::Byte> ^ SignHash(cli::array <System::Byte> ^ hash, System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::Security::Cryptography::RSASignaturePadding ^ padding);

public virtual byte[] SignHash (byte[] hash, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding);

public abstract byte[] SignHash (byte[] hash, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding);

abstract member SignHash : byte[] * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> byte[]
override this.SignHash : byte[] * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> byte[]

abstract member SignHash : byte[] * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> byte[]

Public Overridable Function SignHash (hash As Byte(), hashAlgorithm As HashAlgorithmName, padding As RSASignaturePadding) As Byte()

Public MustOverride Function SignHash (hash As Byte(), hashAlgorithm As HashAlgorithmName, padding As RSASignaturePadding) As Byte()

Parameters

hash: Byte[]

The hash value of the data to be signed.

hashAlgorithm: HashAlgorithmName

The hash algorithm used to create the hash value of the data.

padding: RSASignaturePadding

The padding.

Returns

Byte[]

The RSA signature for the specified hash value.

Exceptions

NotImplementedException

A derived class must override this method.

ArgumentNullException

data or padding is null.

ArgumentException

hashAlgorithm.Name is null or Empty.

CryptographicException

padding is unknown, or not supported by this implementation.

-or-

This instance represents only a public key.

-or-

An error occurred creating the signature.

Applies to

SignHash(ReadOnlySpan<Byte>, HashAlgorithmName, RSASignaturePadding)

Source:: RSA.cs

Source:: RSA.cs

Source:: RSA.cs

Computes the signature for the specified hash value using the specified padding.

public:
 cli::array <System::Byte> ^ SignHash(ReadOnlySpan<System::Byte> hash, System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::Security::Cryptography::RSASignaturePadding ^ padding);

public byte[] SignHash (ReadOnlySpan<byte> hash, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding);

member this.SignHash : ReadOnlySpan<byte> * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> byte[]

Public Function SignHash (hash As ReadOnlySpan(Of Byte), hashAlgorithm As HashAlgorithmName, padding As RSASignaturePadding) As Byte()

Parameters

hash: ReadOnlySpan<Byte>

The hash value of the data to be signed.

hashAlgorithm: HashAlgorithmName

The hash algorithm used to create the hash of hash.

padding: RSASignaturePadding

The padding mode.

Returns

Byte[]

The RSA signature for the specified hash value.

Exceptions

ArgumentNullException

padding or hashAlgorithm's Name is null.

ArgumentException

hashAlgorithm's Name is an empty string.

CryptographicException

padding is unknown, or not supported by this implementation.

-or-

This instance represents only a public key.

-or-

An error occurred creating the signature.

NotImplementedException

This implementation has not implemented one of TrySignHash(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, RSASignaturePadding, Int32) or SignHash(Byte[], HashAlgorithmName, RSASignaturePadding).

Applies to

SignHash(ReadOnlySpan<Byte>, Span<Byte>, HashAlgorithmName, RSASignaturePadding)

Source:: RSA.cs

Source:: RSA.cs

Source:: RSA.cs

Signs the hash with the current key, writing the signature into a provided buffer.

public:
 int SignHash(ReadOnlySpan<System::Byte> hash, Span<System::Byte> destination, System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::Security::Cryptography::RSASignaturePadding ^ padding);

public int SignHash (ReadOnlySpan<byte> hash, Span<byte> destination, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding);

member this.SignHash : ReadOnlySpan<byte> * Span<byte> * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> int

Public Function SignHash (hash As ReadOnlySpan(Of Byte), destination As Span(Of Byte), hashAlgorithm As HashAlgorithmName, padding As RSASignaturePadding) As Integer