public static string EncryptMySecret()
{
//this is your 64-bit key string
string myKeyString = AESEncryptor.CreateNewKey();
using (var manager = new EncryptionManager(myKeyString))
{
//This is your initializor, or public key
string iv = AESEncryptor.CreateInitializor();
//This is how you encrypt with your specified key and iv
encryptedSecretInfo = manager.Encrypt(secretInfo, iv);
}
//you can also encrypt with private keys of int a, b and c
using (var manager = new EncryptionManager(100, 50, 10))
{
//This is your initializor, or public key
string iv = manager.CreateInitializor();
//This is your second public key, used with a, b, and c to compute the private key
long ticks = DateTime.Now.Ticks;
//This is how you encrypt with your specified key and iv
encryptedSecretInfo = manager.Encrypt(secretInfo, iv, ticks);
}
return(encryptedSecretInfo);
}
public IDictionary <string, EntityProperty> WriteEntity(OperationContext operationContext)
{
Dictionary <string, EntityProperty> retVals = new Dictionary <string, EntityProperty>();
#if RT
IEnumerable <PropertyInfo> objectProperties = entity.GetType().GetRuntimeProperties();
var classAttributes = System.Attribute.GetCustomAttributes(entity.GetType());
#else
IEnumerable <PropertyInfo> objectProperties = this.GetType().GetProperties();
var classAttributes = System.Attribute.GetCustomAttributes(this.GetType());
#endif
EncryptionTicks = DateTime.Now.Ticks;
EncryptionKey keyAttribute = (EncryptionKey)classAttributes.FirstOrDefault(x => !((x as EncryptionKey)?.IsDefaultValue ?? true));
if (keyAttribute == null)
{
keyAttribute = (EncryptionKey)classAttributes.First(x => (x as EncryptionKey) != null);
keyAttribute = keyAttribute ?? new EncryptionKey(24, 8, 3);
}
foreach (PropertyInfo property in objectProperties)
{
// reserved properties
if (property.Name == "PartitionKey" ||
property.Name == "RowKey" ||
property.Name == "Timestamp" ||
property.Name == "ETag")
{
continue;
}
// Enforce public getter / setter
#if RT
if (property.SetMethod == null || !property.SetMethod.IsPublic || property.GetMethod == null || !property.GetMethod.IsPublic)
#else
if (property.GetSetMethod() == null || !property.GetSetMethod().IsPublic || property.GetGetMethod() == null || !property.GetGetMethod().IsPublic)
#endif
{
continue;
}
EntityProperty newProperty = null;
if (property.GetCustomAttribute(typeof(EncryptedProperty)) != null)
{
EntityProperty ivProperty = null;
if (keyAttribute.isSingleKey)
{
using (var manager = new EncryptionManager(keyAttribute.Key))
{
ivProperty = CreateEntityPropertyFromObject(AESEncryptor.CreateInitializor(), false);
newProperty = CreateEntityPropertyFromObject(manager.Encrypt(JsonConvert.SerializeObject(property.GetValue(this, null)), ivProperty.StringValue), false);
}
}
else
{
using (var manager = new EncryptionManager(keyAttribute.A, keyAttribute.B, keyAttribute.C))
{
ivProperty = CreateEntityPropertyFromObject(AESEncryptor.CreateInitializor(), false);
newProperty = CreateEntityPropertyFromObject(manager.Encrypt(JsonConvert.SerializeObject(property.GetValue(this, null)), ivProperty.StringValue, EncryptionTicks), false);
}
}
if (newProperty != null)
{
retVals.Add(property.Name + "IV", ivProperty);
}
}
else
{
newProperty = CreateEntityPropertyFromObject(property.GetValue(this, null), false);
}
// property will be null if unknown type
if (newProperty != null)
{
retVals.Add(property.Name, newProperty);
}
}
return(retVals);
}
