public static EncryptorInfo GetEncryptorInfo(string method)
{
if (string.IsNullOrEmpty(method))
{
method = "none";
}
method = method.ToLowerInvariant();
Type t = _registeredEncryptors[method];
ConstructorInfo c = t.GetConstructor(_constructorTypes);
IEncryptor result = (IEncryptor)c.Invoke(new object[] { method, "0" });
EncryptorInfo info = result.getInfo();
result.Dispose();
return(info);
}
protected void InitKey(string method, string password)
{
method = method.ToLower();
_method = method;
string k = method + ":" + password;
ciphers = getCiphers();
_cipherInfo = ciphers[_method];
_cipher = _cipherInfo.type;
if (_cipher == 0)
{
throw new Exception("method not found");
}
keyLen = ciphers[_method].key_size;
ivLen = ciphers[_method].iv_size;
if (!CachedKeys.ContainsKey(k))
{
lock (CachedKeys)
{
if (!CachedKeys.ContainsKey(k))
{
byte[] passbuf = Encoding.UTF8.GetBytes(password);
_key = new byte[32];
byte[] iv = new byte[16];
bytesToKey(passbuf, _key);
CachedKeys[k] = _key;
}
}
}
if (_key == null)
{
_key = CachedKeys[k];
}
Array.Resize(ref _iv, ivLen);
randBytes(_iv, ivLen);
}