Hmac.HexFromBytes Method

Create a keyed-hash HMAC in hex-encoded format from byte input.

Syntax

public static string HexFromBytes(
   byte[] message,
   byte[] key,
   HashAlgorithm hashAlg 
)

Public Shared Function HexFromBytes (
   message As Byte(),
   key As Byte(),
   hashAlg As HashAlgorithm 
) As String

Parameters

message  Byte

Message to be signed in byte format

key  Byte

Key in byte format

hashAlg  HashAlgorithm

Hash algorithm to be used

Return Value

Example

// Hmac of <Test Case 1> with input in hex format
string s = Hmac.HexFromHex("4869205468657265", "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b", HashAlgorithm.Sha256);
Console.WriteLine("HMAC-SHA-256('Hi There', (0x0b)*20)=\n{0}", s);
// b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7

See Also

VB6/C equivalent: HMAC_HexFromBytes

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