コード例 #1
0
ファイル: Program.cs プロジェクト: DasguptaK/BlobEncryption
        static void DownloadandDecrypt()
        {
            PGPLib pgp                         = new PGPLib();
            bool   asciiArmor                  = false;
            bool   withIntegrityCheck          = false;
            string downloadedblobpath          = @"C:\DATA FILES\Downloaded Files\";
            string decryptedblobpath           = @"C:\DATA FILES\Decrypted Files\";
            string fileName                    = "";
            string privatekeypassword          = "******";
            string downloadedfile              = System.IO.Path.Combine(downloadedblobpath, fileName);
            string decryptedfile               = System.IO.Path.Combine(decryptedblobpath, fileName);
            CloudStorageAccount storageAccount = CloudStorageAccount.Parse(
                CloudConfigurationManager.GetSetting("StorageConnectionString"));

            // Create the blob client.
            CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();

            // Retrieve reference to a previously created container.
            CloudBlobContainer container = blobClient.GetContainerReference("encryptedtgblfiles");

            foreach (IListBlobItem item in container.ListBlobs(null, false))
            {
                if (item.GetType() == typeof(CloudBlockBlob))
                {
                    CloudBlockBlob blob = (CloudBlockBlob)item;

                    // Retrieve reference to a blob named "photo1.jpg".
                    CloudBlockBlob blockBlob = container.GetBlockBlobReference(blob.Name);

                    // Save blob contents to a file.
                    using (var fileStream = System.IO.File.OpenWrite(downloadedblobpath + blob.Name))
                    {
                        blockBlob.DownloadToStream(fileStream);
                    }
                }
            }

            if (System.IO.Directory.Exists(downloadedblobpath))
            {
                string[] files = System.IO.Directory.GetFiles(downloadedblobpath);

                // Copy the files and overwrite destination files if they already exist.
                foreach (string s in files)
                {
                    // Use static Path methods to extract only the file name from the path.
                    fileName = System.IO.Path.GetFileName(s);

                    pgp.DecryptFile(downloadedblobpath + fileName,
                                    @"C:\DATA FILES\privatekey.asc",
                                    privatekeypassword,
                                    decryptedblobpath + fileName);
                    // destFile = System.IO.Path.Combine(targetPath, fileName);
                    // System.IO.File.Copy(s, destFile, true);
                }
            }
        }
コード例 #2
0
 /// <summary>
 /// Method to decrypt a file.
 /// </summary>
 /// <param name="encryptedFile">File containing data to be decrypted.</param>
 /// <param name="privateKeyFile">File containing private key.</param>
 /// <param name="privateKeyPassword">Private Key password.</param>
 /// <param name="decryptedFile">Output file containing the decrypted data.</param>
 public void DecryptFile(string encryptedFile, string privateKeyFile, string privateKeyPassword, string decryptedFile)
 {
     _pgp.DecryptFile(new FileInfo(encryptedFile), new FileInfo(privateKeyFile), privateKeyPassword, new FileInfo(decryptedFile));
 }