IsValid
DigitalSignature.IsValid property
返回真的如果此数字签名有效且文档未被篡改。
public bool IsValid { get; }
例子
演示如何验证和显示有关文档中每个签名的信息。
Document doc = new Document(MyDir + "Digitally signed.docx");
foreach (DigitalSignature signature in doc.DigitalSignatures)
{
Console.WriteLine($"{(signature.IsValid ? "Valid" : "Invalid")} signature: ");
Console.WriteLine($"\tReason:\t{signature.Comments}");
Console.WriteLine($"\tType:\t{signature.SignatureType}");
Console.WriteLine($"\tSign time:\t{signature.SignTime}");
Console.WriteLine($"\tSubject name:\t{signature.CertificateHolder.Certificate.SubjectName}");
Console.WriteLine($"\tIssuer name:\t{signature.CertificateHolder.Certificate.IssuerName.Name}");
Console.WriteLine();
}
