CryptographicOperations.HashData Method

Definition

Namespace:

System.Security.Cryptography

Assembly:

System.Security.Cryptography.dll

Overloads

HashData(HashAlgorithmName, Byte[])	Computes the hash of data.
HashData(HashAlgorithmName, Stream)	Computes the hash of a stream.
HashData(HashAlgorithmName, ReadOnlySpan<Byte>)	Computes the hash of data.
HashData(HashAlgorithmName, Stream, Span<Byte>)	Computes the hash of a stream.
HashData(HashAlgorithmName, ReadOnlySpan<Byte>, Span<Byte>)	Computes the hash of data.

HashData(HashAlgorithmName, Byte[])

Source:

CryptographicOperations.cs

Computes the hash of data.

public:
 static cli::array <System::Byte> ^ HashData(System::Security::Cryptography::HashAlgorithmName hashAlgorithm, cli::array <System::Byte> ^ source);

public static byte[] HashData (System.Security.Cryptography.HashAlgorithmName hashAlgorithm, byte[] source);

static member HashData : System.Security.Cryptography.HashAlgorithmName * byte[] -> byte[]

Public Shared Function HashData (hashAlgorithm As HashAlgorithmName, source As Byte()) As Byte()

Parameters

hashAlgorithm

HashAlgorithmName

The algorithm used to compute the hash.

source

Byte[]

The data to hash.

Returns

Byte[]

The hash of the data.

Exceptions

ArgumentNullException

source is null.

-or-

hashAlgorithm has a Name that is null.

ArgumentException

hashAlgorithm has a Name that is empty.

PlatformNotSupportedException

hashAlgorithm specifies a hash algorithm not supported by the current platform.

CryptographicException

hashAlgorithm specifies an unknown hash algorithm.

HashData(HashAlgorithmName, Stream)

Source:

CryptographicOperations.cs

Computes the hash of a stream.

public:
 static cli::array <System::Byte> ^ HashData(System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::IO::Stream ^ source);

public static byte[] HashData (System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.IO.Stream source);

static member HashData : System.Security.Cryptography.HashAlgorithmName * System.IO.Stream -> byte[]

Public Shared Function HashData (hashAlgorithm As HashAlgorithmName, source As Stream) As Byte()

Parameters

hashAlgorithm

HashAlgorithmName

The algorithm used to compute the hash.

source

Stream

The stream to hash.

Returns

Byte[]

The hash of the data.

Exceptions

ArgumentNullException

source is null.

-or-

hashAlgorithm has a Name that is null.

ArgumentException

hashAlgorithm has a Name that is empty.

-or-

source does not support reading.

PlatformNotSupportedException

hashAlgorithm specifies a hash algorithm not supported by the current platform.

CryptographicException

hashAlgorithm specifies an unknown hash algorithm.

HashData(HashAlgorithmName, ReadOnlySpan<Byte>)

Source:

CryptographicOperations.cs

Computes the hash of data.

public:
 static cli::array <System::Byte> ^ HashData(System::Security::Cryptography::HashAlgorithmName hashAlgorithm, ReadOnlySpan<System::Byte> source);

public static byte[] HashData (System.Security.Cryptography.HashAlgorithmName hashAlgorithm, ReadOnlySpan<byte> source);

static member HashData : System.Security.Cryptography.HashAlgorithmName * ReadOnlySpan<byte> -> byte[]

Public Shared Function HashData (hashAlgorithm As HashAlgorithmName, source As ReadOnlySpan(Of Byte)) As Byte()

Parameters

hashAlgorithm

HashAlgorithmName

The algorithm used to compute the hash.

source

ReadOnlySpan<Byte>

The data to hash.

Returns

Byte[]

The hash of the data.

Exceptions

ArgumentNullException

hashAlgorithm has a Name that is null.

ArgumentException

hashAlgorithm has a Name that is empty.

PlatformNotSupportedException

hashAlgorithm specifies a hash algorithm not supported by the current platform.

CryptographicException

hashAlgorithm specifies an unknown hash algorithm.

HashData(HashAlgorithmName, Stream, Span<Byte>)

Source:

CryptographicOperations.cs

Computes the hash of a stream.

public:
 static int HashData(System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::IO::Stream ^ source, Span<System::Byte> destination);

public static int HashData (System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.IO.Stream source, Span<byte> destination);

static member HashData : System.Security.Cryptography.HashAlgorithmName * System.IO.Stream * Span<byte> -> int

Public Shared Function HashData (hashAlgorithm As HashAlgorithmName, source As Stream, destination As Span(Of Byte)) As Integer

Parameters

hashAlgorithm

HashAlgorithmName

The algorithm used to compute the hash.

source

Stream

The stream to hash.

destination

Span<Byte>

The buffer to receive the hash value.

Returns

Int32

The total number of bytes written to destination.

Exceptions

ArgumentNullException

source is null.

-or-

hashAlgorithm has a Name that is null.

ArgumentException

The buffer in destination is too small to hold the calculated hash size.

-or-

hashAlgorithm has a Name that is empty.

-or-

source does not support reading.

PlatformNotSupportedException

hashAlgorithm specifies a hash algorithm not supported by the current platform.

CryptographicException

hashAlgorithm specifies an unknown hash algorithm.

HashData(HashAlgorithmName, ReadOnlySpan<Byte>, Span<Byte>)

Source:

CryptographicOperations.cs

Computes the hash of data.

public:
 static int HashData(System::Security::Cryptography::HashAlgorithmName hashAlgorithm, ReadOnlySpan<System::Byte> source, Span<System::Byte> destination);

public static int HashData (System.Security.Cryptography.HashAlgorithmName hashAlgorithm, ReadOnlySpan<byte> source, Span<byte> destination);

static member HashData : System.Security.Cryptography.HashAlgorithmName * ReadOnlySpan<byte> * Span<byte> -> int

Public Shared Function HashData (hashAlgorithm As HashAlgorithmName, source As ReadOnlySpan(Of Byte), destination As Span(Of Byte)) As Integer

Parameters

hashAlgorithm

HashAlgorithmName

The algorithm used to compute the hash.

source

ReadOnlySpan<Byte>

The data to hash.

destination

Span<Byte>

The buffer to receive the hash value.

Returns

Int32

The total number of bytes written to destination.

Exceptions

ArgumentException

The buffer in destination is too small to hold the calculated hash size.

-or-

hashAlgorithm has a Name that is empty.

ArgumentNullException

hashAlgorithm has a Name that is null.

PlatformNotSupportedException

hashAlgorithm specifies a hash algorithm not supported by the current platform.

CryptographicException

hashAlgorithm specifies an unknown hash algorithm.