private static void StoreEncryptedFileInTemporaryMemory(Message message)
{
message.TemporaryDownloadId =
SymmetricCryptoProvider.GenerateKeyPhrase(64);
HomeController.FilePasswords.Add(message.TemporaryDownloadId,
new TemporaryDownloadKey
{
Expires = DateTime.Now.AddSeconds(HomeController.PasswordExpiresInSeconds),
MessageId = message.MessageId,
Passphrase = message.EncryptionKey
});
}
private void GenerateKeys(decimal keySize, decimal numberOfKeys)
{
StringBuilder keys = new StringBuilder();
for (int i = 1; i < numberOfKeys + 1; i++)
{
string key;
if (chkCreatepronounceablepasswords.Checked)
{
key = PronounceablePasswordGenerator.Generate((int)keySize);
}
else
{
key = SymmetricCryptoProvider.GenerateKeyPhrase((int)keySize).TrimEnd(Convert.ToChar("="));
}
int groupSize = (int)numGroupSize.Value;
if (chkGroupIntoPairs.Checked && groupSize > 0)
{
string groupedKey = "";
for (int j = 0; j < key.Length; j++)
{
groupedKey += key[j];
if ((j + 1) % groupSize == 0)
{
groupedKey += "-";
}
}
groupedKey = groupedKey.TrimEnd('-');
keys.AppendLine(string.Format("{0}, {1}", i, groupedKey));
}
else
{
keys.AppendLine(string.Format("{0}, {1}", i, key));
}
}
txtkeys.Text = keys.ToString();
}
private static void StoreEncryptedFileInTemporaryMemory(Message message)
{
message.TemporaryDownloadId =
SymmetricCryptoProvider.GenerateKeyPhrase(64);
FilePasswords.Add(message.TemporaryDownloadId,
new TemporaryDownloadKey
{
Expires = DateTime.Now.AddSeconds(PasswordExpiresInSeconds),
MessageId = message.MessageId,
Passphrase = message.EncryptionKey
});
// get filename
byte[] decryptedArray = Convert.FromBase64String(message.MessageData);
var zipStream = new MemoryStream(decryptedArray);
using (ZipFile zip = ZipFile.Read(zipStream))
{
message.MessageData = zip.First().FileName;
}
}
