本文整理匯總了C#中iTextSharp.text.pdf.PdfEncryption.AddRecipient方法的典型用法代碼示例。如果您正苦於以下問題：C# PdfEncryption.AddRecipient方法的具體用法？C# PdfEncryption.AddRecipient怎麽用？C# PdfEncryption.AddRecipient使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類iTextSharp.text.pdf.PdfEncryption的用法示例。
在下文中一共展示了PdfEncryption.AddRecipient方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: SetEncryption
/**
* Sets the certificate encryption options for this document. An array of one or more public certificates
* must be provided together with an array of the same size for the permissions for each certificate.
* The open permissions for the document can be
* AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations,
* AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting.
* The permissions can be combined by ORing them.
* Optionally DO_NOT_ENCRYPT_METADATA can be ored to output the metadata in cleartext
* @param certs the public certificates to be used for the encryption
* @param permissions the user permissions for each of the certicates
* @param encryptionType the type of encryption. It can be one of STANDARD_ENCRYPTION_40, STANDARD_ENCRYPTION_128 or ENCRYPTION_AES128.
* @throws DocumentException if the document is already open
*/
public void SetEncryption(X509Certificate[] certs, int[] permissions, int encryptionType) {
if (pdf.IsOpen())
throw new DocumentException(MessageLocalization.GetComposedMessage("encryption.can.only.be.added.before.opening.the.document"));
crypto = new PdfEncryption();
if (certs != null) {
for (int i=0; i < certs.Length; i++) {
crypto.AddRecipient(certs[i], permissions[i]);
}
}
crypto.SetCryptoMode(encryptionType, 0);
crypto.GetEncryptionDictionary();
}示例2: SetEncryption
/**
* Sets the certificate encryption options for this document. An array of one or more public certificates
* must be provided together with an array of the same size for the permissions for each certificate.
* The open permissions for the document can be
* AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations,
* AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting.
* The permissions can be combined by ORing them.
* Optionally DO_NOT_ENCRYPT_METADATA can be ored to output the metadata in cleartext
* @param certs the public certificates to be used for the encryption
* @param permissions the user permissions for each of the certicates
* @param encryptionType the type of encryption. It can be one of STANDARD_ENCRYPTION_40, STANDARD_ENCRYPTION_128 or ENCRYPTION_AES128.
* @throws DocumentException if the document is already open
*/
public void SetEncryption(X509Certificate[] certs, int[] permissions, int encryptionType)
{
if (pdf.IsOpen())
throw new DocumentException("Encryption can only be added before opening the document.");
crypto = new PdfEncryption();
if (certs != null) {
for (int i=0; i < certs.Length; i++) {
crypto.AddRecipient(certs[i], permissions[i]);
}
}
crypto.SetCryptoMode(encryptionType, 0);
crypto.GetEncryptionDictionary();
}