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VB.NET DSASignatureDeformatter.SetHashAlgorithm方法代码示例

本文整理汇总了VB.NET中System.Security.Cryptography.DSASignatureDeformatter.SetHashAlgorithm方法的典型用法代码示例。如果您正苦于以下问题:VB.NET DSASignatureDeformatter.SetHashAlgorithm方法的具体用法?VB.NET DSASignatureDeformatter.SetHashAlgorithm怎么用?VB.NET DSASignatureDeformatter.SetHashAlgorithm使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Security.Cryptography.DSASignatureDeformatter的用法示例。


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示例1: DSASample

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

 _

Class DSASample


    Shared Sub Main()
        Try
            'Create a new instance of DSACryptoServiceProvider.
            Dim DSA As New DSACryptoServiceProvider()

            'The hash to sign.
            Dim Hash As Byte() = {59, 4, 248, 102, 77, 97, 142, 201, 210, 12, 224, 93, 25, 41, 100, 197, 213, 134, 130, 135}

            'Create an DSASignatureFormatter object and pass it the 
            'DSACryptoServiceProvider to transfer the key information.
            Dim DSAFormatter As New DSASignatureFormatter(DSA)

            'Set the hash algorithm to SHA1.
            DSAFormatter.SetHashAlgorithm("SHA1")

            'Create a signature for HashValue and return it.
            Dim SignedHash As Byte() = DSAFormatter.CreateSignature(Hash)

            'Create an DSASignatureDeformatter object and pass it the 
            'DSACryptoServiceProvider to transfer the key information.
            Dim DSADeformatter As New DSASignatureDeformatter(DSA)

            'Verify the hash and display the results to the console.
            If DSADeformatter.VerifySignature(Hash, SignedHash) Then
                Console.WriteLine("The signature was verified.")
            Else
                Console.WriteLine("The signature was not verified.")
            End If

        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:42,代码来源:DSASignatureDeformatter.SetHashAlgorithm


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