Mega Code Archive
RSAPKCS1SignatureFormatter RSAPKCS1SignatureDeformatter
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Imports System
Imports System.Security.Cryptography
Class MainClass
Shared Sub Main()
Dim RSA As New RSACryptoServiceProvider()
Dim Hash As Byte() = {9, 4, 8, 102, 77, 97, 142, 201, 210, 12, 224, 93, 25, 41, 100, 197, 213, 134, 130, 135}
Dim RSAFormatter As New RSAPKCS1SignatureFormatter(RSA)
RSAFormatter.SetHashAlgorithm("SHA1")
Dim SignedHash As Byte() = RSAFormatter.CreateSignature(Hash)
Dim RSADeformatter As New RSAPKCS1SignatureDeformatter(RSA)
RSADeformatter.SetHashAlgorithm("SHA1")
If RSADeformatter.VerifySignature(Hash, SignedHash) Then
Console.WriteLine("The signature was verified.")
Else
Console.WriteLine("The signature was not verified.")
End If
End Sub
End Class
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