private unsafe static string DecryptStringUsingLocalUser(string encryptedString)
{
Crypto.DataBlob dataBlob = default(Crypto.DataBlob);
Crypto.CryptProtectPromptStruct cryptProtectPromptStruct = default(Crypto.CryptProtectPromptStruct);
if (string.IsNullOrEmpty(encryptedString))
{
return(string.Empty);
}
dataBlob.Size = 0;
cryptProtectPromptStruct.Size = 0;
byte[] array = System.Convert.FromBase64String(encryptedString);
Crypto.DataBlob dataBlob2;
dataBlob2.Size = array.Length;
Crypto.DataBlob dataBlob3;
string result;
fixed(byte *ptr = array)
{
dataBlob2.Data = (System.IntPtr)((void *)ptr);
if (!Crypto.CryptUnprotectData(ref dataBlob2, null, ref dataBlob, (System.IntPtr)null, ref cryptProtectPromptStruct, 0, out dataBlob3))
{
//throw new System.Exception("Failed to decrypt using {0} credential".InvariantFormat(new object[]
//{
// CredentialsUI.GetLoggedInUser()
//}));
}
char *ptr2 = (char *)((void *)dataBlob3.Data);
char[] array2 = new char[dataBlob3.Size / 2];
for (int i = 0; i < array2.Length; i++)
{
array2[i] = ptr2[i];
}
result = new string(array2);
}
Crypto.LocalFree(dataBlob3.Data);
return(result);
}
private unsafe static string DecryptStringUsingLocalUser(string encryptedString)
{
Crypto.DataBlob optionalEntropy = default(Crypto.DataBlob);
Crypto.CryptProtectPromptStruct promptStruct = default(Crypto.CryptProtectPromptStruct);
if (string.IsNullOrEmpty(encryptedString))
{
return(string.Empty);
}
optionalEntropy.Size = 0;
promptStruct.Size = 0;
byte[] array = Convert.FromBase64String(encryptedString);
Crypto.DataBlob dataIn = default(Crypto.DataBlob);
dataIn.Size = array.Length;
Crypto.DataBlob dataOut;
string result;
fixed(byte *value = array)
{
dataIn.Data = (IntPtr)(void *)value;
if (!Crypto.CryptUnprotectData(ref dataIn, null, ref optionalEntropy, (IntPtr)null, ref promptStruct, 0, out dataOut))
{
throw new Exception("使用{0}证书解密失败".InvariantFormat(CredentialsUI.GetLoggedInUser()));
}
char *ptr = (char *)(void *)dataOut.Data;
char[] array2 = new char[dataOut.Size / 2];
for (int i = 0; i < array2.Length; i++)
{
array2[i] = ptr[i];
}
result = new string(array2);
}
Crypto.LocalFree(dataOut.Data);
return(result);
}
private unsafe static string EncryptStringUsingLocalUser(string plaintext)
{
Crypto.DataBlob optionalEntropy = default(Crypto.DataBlob);
Crypto.CryptProtectPromptStruct promptStruct = default(Crypto.CryptProtectPromptStruct);
if (string.IsNullOrEmpty(plaintext))
{
return(null);
}
optionalEntropy.Size = 0;
promptStruct.Size = 0;
char[] array = plaintext.ToCharArray();
Crypto.DataBlob dataIn = default(Crypto.DataBlob);
dataIn.Size = array.Length * 2;
Crypto.DataBlob dataOut;
fixed(char *value = array)
{
dataIn.Data = (IntPtr)(void *)value;
if (!Crypto.CryptProtectData(ref dataIn, null, ref optionalEntropy, (IntPtr)null, ref promptStruct, 0, out dataOut))
{
FormTools.ErrorDialog("无法加密密码");
return(null);
}
}
byte *ptr = (byte *)(void *)dataOut.Data;
byte[] array2 = new byte[dataOut.Size];
for (int i = 0; i < array2.Length; i++)
{
array2[i] = ptr[i];
}
string result = Convert.ToBase64String(array2);
Crypto.LocalFree(dataOut.Data);
return(result);
}
