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VB.NET PackageDigitalSignatureManager.IsSigned属性代码示例

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


在下文中一共展示了PackageDigitalSignatureManager.IsSigned属性的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。

示例1: ValidateSignatures

' ------------------------ ValidateSignatures ------------------------
''' <summary>
''' Validates all the digital signatures of a given package.</summary>
''' <param name="package">
''' The package for validating digital signatures.</param>
''' <returns>
''' true if all digital signatures are valid; otherwise false if the
''' package is unsigned or any of the signatures are invalid.</returns>
Private Shared Function ValidateSignatures(ByVal package As Package) As Boolean
    If package Is Nothing Then
        Throw New ArgumentNullException("ValidateSignatures(package)")
    End If

    ' Create a PackageDigitalSignatureManager for the given Package.
    Dim dsm As New PackageDigitalSignatureManager(package)

    ' Check to see if the package contains any signatures.
    If Not dsm.IsSigned Then
        Return False
    End If
    ' The package is not signed.
    ' Verify that all signatures are valid.
    Dim result As VerifyResult = dsm.VerifySignatures(False)
    If result <> VerifyResult.Success Then
        Return False
    End If
    ' One or more digital signatures are invalid.
    ' else if (result == VerifyResult.Success)
    ' All signatures are valid.
    Return True
End Function
' end:ValidateSignatures()
开发者ID:VB.NET开发者,项目名称:System.IO.Packaging,代码行数:32,代码来源:PackageDigitalSignatureManager.IsSigned


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