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VB.NET RSAPKCS1SignatureDeformatter类代码示例

本文整理汇总了VB.NET中System.Security.Cryptography.RSAPKCS1SignatureDeformatter的典型用法代码示例。如果您正苦于以下问题:VB.NET RSAPKCS1SignatureDeformatter类的具体用法?VB.NET RSAPKCS1SignatureDeformatter怎么用?VB.NET RSAPKCS1SignatureDeformatter使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


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示例1: RSASample

' 导入命名空间
Imports System.Security.Cryptography

Friend Class RSASample

    Shared Sub Main()
        Try
            'Create a new instance of RSACryptoServiceProvider.
            Using rsa As New RSACryptoServiceProvider()
                'The hash to sign.
                Dim hash() As Byte
                Using sha256 As SHA256 = SHA256.Create()
                    Dim data() As Byte = { 59, 4, 248, 102, 77, 97, 142, 201, 210, 12, 224, 93, 25, 41, 100, 197, 213, 134, 130, 135 }
                    hash = sha256.ComputeHash(data)
                End Using

                'Create an RSASignatureFormatter object and pass it the 
                'RSACryptoServiceProvider to transfer the key information.
                Dim RSAFormatter As New RSAPKCS1SignatureFormatter(rsa)

                'Set the hash algorithm to SHA256.
                RSAFormatter.SetHashAlgorithm("SHA256")

                'Create a signature for HashValue and return it.
                Dim signedHash() As Byte = RSAFormatter.CreateSignature(hash)
                'Create an RSAPKCS1SignatureDeformatter object and pass it the  
                'RSACryptoServiceProvider to transfer the key information.
                Dim RSADeformatter As New RSAPKCS1SignatureDeformatter(rsa)
                RSADeformatter.SetHashAlgorithm("SHA256")
                'Verify the hash and display the results to the console. 
                If RSADeformatter.VerifySignature(hash, signedHash) Then
                    Console.WriteLine("The signature was verified.")
                Else
                    Console.WriteLine("The signature was not verified.")
                End If
            End Using

        Catch e As CryptographicException
            Console.WriteLine(e.Message)
        End Try
    End Sub

End Class
开发者ID:VB.NET开发者,项目名称:System.Security.Cryptography,代码行数:43,代码来源:RSAPKCS1SignatureDeformatter


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