public string Encrypt(string metaStr, byte[] iv)
{
if (iv.Length != 16)
{
return(Encrypt(metaStr));
}
byte[] orib = _aes.IV;
_aes.IV = iv;
byte[] metaStr_byte = StringByteHelper.GetBytesFromString(metaStr);
int metaStr_byte_count = metaStr_byte.Count();
int metaStr_byte_f_count = (metaStr_byte_count / 16 + 1) * 16;
byte[] metaStr_byte_f = new byte[metaStr_byte_f_count];
for (int i = 0; i < metaStr_byte_f_count; i++)
{
if (i < metaStr_byte_count)
{
metaStr_byte_f[i] = metaStr_byte[i];
}
else
{
metaStr_byte_f[i] = 0;
}
}
var res = StringByteHelper.GetStringFromBytes(_aes.CreateEncryptor().TransformFinalBlock(metaStr_byte_f, 0, metaStr_byte_f.Length));
_aes.IV = orib;
return(res);
}
public string Decrypt(string metaStr)
{
var metaStr_b = StringByteHelper.GetBytesFromString(metaStr);
var target_b = _aes.CreateDecryptor().TransformFinalBlock(metaStr_b, 0, metaStr_b.Length);
int bcount = target_b.Length;
while (target_b[--bcount] == 0)
{
}
metaStr_b = new byte[bcount + 1];
Array.Copy(target_b, metaStr_b, bcount + 1);
return(StringByteHelper.GetStringFromBytes(metaStr_b));
}
public string Decrypt(string metaStr, byte[] iv)
{
if (iv.Length != 16)
{
return(Decrypt(metaStr));
}
byte[] orib = _aes.IV;
_aes.IV = iv;
var metaStr_b = StringByteHelper.GetBytesFromString(metaStr);
var target_b = _aes.CreateDecryptor().TransformFinalBlock(metaStr_b, 0, metaStr_b.Length);
int bcount = target_b.Length;
while (target_b[--bcount] == 0)
{
}
metaStr_b = new byte[bcount + 1];
Array.Copy(target_b, metaStr_b, bcount + 1);
_aes.IV = orib;
return(StringByteHelper.GetStringFromBytes(metaStr_b));
}
public string Encrypt(string metaStr)
{
byte[] metaStr_byte = StringByteHelper.GetBytesFromString(metaStr);
int metaStr_byte_count = metaStr_byte.Count();
int metaStr_byte_f_count = (metaStr_byte_count / 16 + 1) * 16;
byte[] metaStr_byte_f = new byte[metaStr_byte_f_count];
for (int i = 0; i < metaStr_byte_f_count; i++)
{
if (i < metaStr_byte_count)
{
metaStr_byte_f[i] = metaStr_byte[i];
}
else
{
metaStr_byte_f[i] = 0;
}
}
return(StringByteHelper.GetStringFromBytes(_aes.CreateEncryptor().TransformFinalBlock(metaStr_byte_f, 0, metaStr_byte_f.Length)));
}
public string Hash(string str)
{
return(StringByteHelper.GetStringFromBytes(_Hash.ComputeHash(Encoding.UTF8.GetBytes(str))));
}