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VB.NET UWP/WinRT Examples

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(VB.NET UWP/WinRT) HMAC SHA-1 to Match RFC 2022 Test Vectors

Demonstrates using Chilkat in VB.NET UWP/WinRT to computer HMAC SHA-1 message authentication codes to match the test vectors given by RFC 2202.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim crypt As New Chilkat.Crypt2

' The output will be Hex, so set the EncodingMode:
crypt.EncodingMode = "hex"

' Set the hash algorithm:
' Choices are: md5, sha-1, sha256, sha384, sha512, md2, haval
crypt.HashAlgorithm = "sha-1"

Dim mac As String

' Set the HMAC key:
crypt.SetHmacKeyEncoded("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b","hex")
mac = crypt.HmacStringENC("Hi There")
Debug.WriteLine(mac)

crypt.SetHmacKeyEncoded("Jefe","ansi")
mac = crypt.HmacStringENC("what do ya want for nothing?")
Debug.WriteLine(mac)

 

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