internal static IEnumerable <byte[]> Encrypt(this IEnumerable source, EncryptionSettings settings)
{
DataProtector encryptionAlgorithm = AeadAes256CbcHmac256EncryptionAlgorithm.GetOrCreate(settings.DataEncryptionKey, settings.EncryptionType);
ISerializer serializer = settings.GetSerializer();
foreach (var item in source)
{
byte[] serializedData = serializer.Serialize(item);
yield return(encryptionAlgorithm.Encrypt(serializedData));
}
}
string EncryptDPAPI(string s)
{
DataProtector dp = new DataProtector(
DataProtector.Store.USE_MACHINE_STORE);
byte[] dataToEncrypt =
Encoding.UTF8.GetBytes(s);
// Not passing optional entropy in this example
// Could pass random value (stored by the application) for added
// security when using DPAPI with the machine store.
return(Convert.ToBase64String(dp.Encrypt(dataToEncrypt, null)));
}
/// <summary>
/// Send a clear text and encrypt and save in database
/// </summary>
/// <param name="cleartext">The data to protect</param>
/// <returns>The ID of the projected blob</returns>
public virtual async Task <EncryptedOutput> EncryptDataAsync(string cleartext)
{
var encryptionKey = config.GetCurrentKey();
if (string.IsNullOrWhiteSpace(encryptionKey))
{
throw new MissingEncryptionKeyException("Could not retrieve Current Encryption Key.");
}
var data = new SensitiveDataEntity
{
EncryptionKeyName = config.CurrentKeyName,
Data = dataProtector.Encrypt(config.GetCurrentKey(), cleartext)
};
var savedId = sensitiveRepository.Add(data);
return(new EncryptedOutput()
{
Id = savedId.ToString()
});
}
public static string EncryptString(string encryptedString)
{
// Create an instance of the encryption API
// We assume the key has been encrypted on this machine and not by a user
DataProtector dp = new DataProtector(Store.Machine);
// Use the API to encrypt the connection string
// API works with bytes so we need to convert to and from byte arrays
byte[] dataBytes = Encoding.ASCII.GetBytes(encryptedString);
byte[] encryptedBytes = dp.Encrypt(dataBytes, null);
// Return the encyrpted data to the string
return Convert.ToBase64String(encryptedBytes);
}
public static string EncryptString(string encryptedString)
{
// Create an instance of the encryption API
// We assume the key has been encrypted on this machine and not by a user
DataProtector dp = new DataProtector(Store.Machine);
// Use the API to encrypt the connection string
// API works with bytes so we need to convert to and from byte arrays
byte[] dataBytes = Encoding.ASCII.GetBytes(encryptedString);
byte[] encryptedBytes = dp.Encrypt(dataBytes, null);
// Return the encyrpted data to the string
return(Convert.ToBase64String(encryptedBytes));
}
/// <summary>
/// Encrypts the string.
/// </summary>
/// <param name="inString">The in string.</param>
/// <returns>System.String.</returns>
public static string EncryptString(string inString)
{
string results = "";
DataProtector dp = new DataProtector(Store.MachineStore);
byte[] dataToEncrypt = Encoding.Unicode.GetBytes(inString);
try
{
results = Convert.ToBase64String(dp.Encrypt(dataToEncrypt));
}
catch (Exception ex)
{
System.Diagnostics.EventLog.WriteEntry("DrSched.asmx", "encryptString Exception: " + ex.Message);
}
return(results);
}
