public static byte[] EncryptDecryptBytes(byte[] byteSource, string code, UMPKeyAndIVType type)
{
string strResult = AnasysVerificationCodeAndKeyIV(code, type);
if (!string.IsNullOrEmpty(strResult))
{
throw new AuthenticationException("Vetification code invalid");
}
byte[] byteKey = Encoding.ASCII.GetBytes(IStrEncryptDecryptKey);
byte[] byteIV = Encoding.ASCII.GetBytes(IStrEncryptDecryptIV);
var rijindeal = new RijndaelManaged();
rijindeal.Key = byteKey;
rijindeal.IV = byteIV;
rijindeal.Mode = CipherMode.CBC;
rijindeal.Padding = PaddingMode.None;
ICryptoTransform transform;
if ((int)type > 100)
{
//解密
transform = rijindeal.CreateDecryptor();
}
else
{
//加密
transform = rijindeal.CreateEncryptor();
}
var byteResult = transform.TransformFinalBlock(byteSource, 0, byteSource.Length);
return(byteResult);
}
/// <summary>
/// 字符串加密(SHA512)。加密后的密码不可逆。
/// </summary>
/// <param name="AStrSource">待加密字符串</param>
/// <param name="AStrVerificationCode">验证码</param>
/// <param name="AIntEDType">加密方法,如果 = 0：直接SHA512后返回，> 0 : SHA512后根据该参数进行AES256加密</param>
/// <returns>如果返回值与AStrSource，表示加密失败
/// Error01:加解密方法错误；
/// Error02:验证码错误；
/// </returns>
public static string EncryptStringSHA512(string AStrSource, string AStrVerificationCode, UMPKeyAndIVType AIntEDType)
{
string LStrReturn = string.Empty;
string LStrSource = string.Empty;
try
{
LStrSource = AStrSource;
if (!string.IsNullOrEmpty(LStrReturn))
{
return(LStrReturn);
}
byte[] LByteTemp;
SHA512 LSHA512Class = new SHA512Managed();
LByteTemp = LSHA512Class.ComputeHash(GetKeyByteArray(AStrSource));
LSHA512Class.Clear();
if (AIntEDType > 0)
{
if ((int)AIntEDType > 100)
{
return("Error01");
}
LStrReturn = AnasysVerificationCodeAndKeyIV(AStrVerificationCode, AIntEDType);
if (!string.IsNullOrEmpty(LStrReturn))
{
return(LStrReturn);
}
LStrReturn = EncryptByte(LByteTemp);
}
else
{
LStrReturn = ConvertByteToHexStr(LByteTemp);
}
}
catch { LStrReturn = AStrSource; }
return(LStrReturn);
}
private static string AnasysVerificationCodeAndKeyIV(string AStrVerificationCode, UMPKeyAndIVType AIntEDType)
{
string LStrReturn = string.Empty;
string LStrVerificationCode = string.Empty;
string LStrVCodeData = string.Empty;
int LIntVCTIndex = 0, LIntUMPIndex = 0, LIntIVKeyIndex = 0;
string LStrVCT = string.Empty, LStrUMP = string.Empty, LStrIVKey = string.Empty;
try
{
LStrVerificationCode = DecryptString(AStrVerificationCode);
if (LStrVerificationCode == AStrVerificationCode)
{
return("Error02");
}
LIntVCTIndex = int.Parse(LStrVerificationCode.Substring(0, 2));
LIntUMPIndex = int.Parse(LStrVerificationCode.Substring(2, 2));
LIntIVKeyIndex = int.Parse(LStrVerificationCode.Substring(4, 2));
LStrVCodeData = LStrVerificationCode.Substring(6);
LStrIVKey = LStrVCodeData.Substring(LIntIVKeyIndex, 3);
LStrVCodeData = LStrVCodeData.Substring(0, LIntIVKeyIndex) + LStrVCodeData.Substring(LIntIVKeyIndex + 3);
LStrUMP = LStrVCodeData.Substring(LIntUMPIndex, 3);
LStrVCodeData = LStrVCodeData.Substring(0, LIntUMPIndex) + LStrVCodeData.Substring(LIntUMPIndex + 3);
LStrVCT = LStrVCodeData.Substring(LIntVCTIndex, 3);
if (int.Parse(LStrIVKey) != (int)AIntEDType)
{
LStrReturn = "Error02";
}
IStrEncryptDecryptIV = string.Empty;
IStrEncryptDecryptKey = string.Empty;
if ((int)AIntEDType % 100 == 1)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_LOW;
IStrEncryptDecryptKey = VCT_KEY256_LOW1;
}
if ((int)AIntEDType % 100 == 4)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_LOW;
IStrEncryptDecryptKey = VCT_KEY256_NORMAL1;
}
}
catch { LStrReturn = "Error02"; }
return(LStrReturn);
}
/// <summary>
/// 字符串加密或解密
/// </summary>
/// <param name="AStrSource">待加密或解密字符串</param>
/// <param name="AStrVerificationCode">验证码</param>
/// <param name="AIntEDType">加密或解密方法 (1、101)：IVEC_LOW,KEY256_LOW1；(4、104)：IVEC_LOW,KEY256_NORMAL1</param>
/// <returns>
/// Error01:加解密方法错误；
/// Error02:验证码错误；
/// Error03:待加密字符串长度错误，最大只能支持128
/// 如果返回值与AStrSource，表示加密或解密失败
/// </returns>
public static string EncryptDecryptString(string AStrSource, string AStrVerificationCode, UMPKeyAndIVType AIntEDType)
{
string LStrReturn = string.Empty;
string LStrSource = string.Empty;
int LIntMaxLength = 0;
try
{
LStrReturn = AnasysVerificationCodeAndKeyIV(AStrVerificationCode, AIntEDType);
if (!string.IsNullOrEmpty(LStrReturn))
{
return(LStrReturn);
}
if (string.IsNullOrEmpty(IStrEncryptDecryptIV) || string.IsNullOrEmpty(IStrEncryptDecryptKey))
{
return("Error01");
}
byte[] LByteArrayKey = Encoding.ASCII.GetBytes(IStrEncryptDecryptKey);
byte[] LByteArrayAexIv = Encoding.ASCII.GetBytes(IStrEncryptDecryptIV);
RijndaelManaged LRijndaelManaged = new RijndaelManaged();
LRijndaelManaged.Key = LByteArrayKey;
LRijndaelManaged.Mode = CipherMode.CBC;
LRijndaelManaged.Padding = PaddingMode.None;
LRijndaelManaged.IV = LByteArrayAexIv;
if ((int)AIntEDType < 100)
{
//字符串加密
LStrSource = AStrSource;
LIntMaxLength = (int)Math.Ceiling(((double)LStrSource.Length / (double)8)) * 8;
if (LIntMaxLength > 128)
{
return("Error03");
}
while (LStrSource.Length < LIntMaxLength)
{
LStrSource += "\0";
}
byte[] LByteArrayEncrypt = Encoding.Unicode.GetBytes(LStrSource);
ICryptoTransform LICryptoTransform = LRijndaelManaged.CreateEncryptor();
byte[] LByteArrayResult = LICryptoTransform.TransformFinalBlock(LByteArrayEncrypt, 0, LByteArrayEncrypt.Length);
LStrReturn = ConvertByteToHexStr(LByteArrayResult);
}
else
{
//字符串解密
LStrSource = ConvertHexToString(AStrSource);
char[] LCharTemp = LStrSource.ToCharArray();
byte[] LByteEncrypt = new byte[LCharTemp.Length];
for (int LIntLoop = 0; LIntLoop < LCharTemp.Length; LIntLoop++)
{
LByteEncrypt[LIntLoop] = Convert.ToByte(LCharTemp[LIntLoop]);
}
ICryptoTransform LICryptoTransform = LRijndaelManaged.CreateDecryptor();
byte[] LByteArrayResult = LICryptoTransform.TransformFinalBlock(LByteEncrypt, 0, LByteEncrypt.Length);
LStrReturn = Encoding.Unicode.GetString(LByteArrayResult);
if (LStrReturn.IndexOf("\0") > 0)
{
LStrReturn = LStrReturn.Substring(0, LStrReturn.IndexOf("\0"));
}
}
}
catch { LStrReturn = AStrSource; }
return(LStrReturn);
}
private static string AnasysVerificationCodeAndKeyIV(string AStrVerificationCode, UMPKeyAndIVType AIntEDType)
{
string LStrReturn = string.Empty;
string LStrVerificationCode = string.Empty;
string LStrVCodeData = string.Empty;
int LIntVCTIndex = 0, LIntUMPIndex = 0, LIntIVKeyIndex = 0;
string LStrVCT = string.Empty, LStrUMP = string.Empty, LStrIVKey = string.Empty;
try
{
LStrVerificationCode = DecryptString(AStrVerificationCode);
if (LStrVerificationCode == AStrVerificationCode)
{
return("Error02");
}
LIntVCTIndex = int.Parse(LStrVerificationCode.Substring(0, 2));
LIntUMPIndex = int.Parse(LStrVerificationCode.Substring(2, 2));
LIntIVKeyIndex = int.Parse(LStrVerificationCode.Substring(4, 2));
LStrVCodeData = LStrVerificationCode.Substring(6);
LStrIVKey = LStrVCodeData.Substring(LIntIVKeyIndex, 3);
LStrVCodeData = LStrVCodeData.Substring(0, LIntIVKeyIndex) + LStrVCodeData.Substring(LIntIVKeyIndex + 3);
LStrUMP = LStrVCodeData.Substring(LIntUMPIndex, 3);
LStrVCodeData = LStrVCodeData.Substring(0, LIntUMPIndex) + LStrVCodeData.Substring(LIntUMPIndex + 3);
LStrVCT = LStrVCodeData.Substring(LIntVCTIndex, 3);
if (int.Parse(LStrIVKey) != (int)AIntEDType)
{
LStrReturn = "Error02";
}
IStrEncryptDecryptIV = string.Empty;
IStrEncryptDecryptKey = string.Empty;
#region IVEC_LOW,KEY256_LOW
if ((int)AIntEDType % 100 == 1)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_LOW;
IStrEncryptDecryptKey = VCT_KEY256_LOW1;
}
if ((int)AIntEDType % 100 == 2)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_LOW;
IStrEncryptDecryptKey = VCT_KEY256_LOW2;
}
if ((int)AIntEDType % 100 == 3)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_LOW;
IStrEncryptDecryptKey = VCT_KEY256_LOW3;
}
#endregion
#region IVEC_LOW,KEY256_NORMAL
if ((int)AIntEDType % 100 == 4)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_LOW;
IStrEncryptDecryptKey = VCT_KEY256_NORMAL1;
}
if ((int)AIntEDType % 100 == 5)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_LOW;
IStrEncryptDecryptKey = VCT_KEY256_NORMAL2;
}
if ((int)AIntEDType % 100 == 6)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_LOW;
IStrEncryptDecryptKey = VCT_KEY256_NORMAL3;
}
#endregion
#region IVEC_LOW,KEY256_HIGH
if ((int)AIntEDType % 100 == 7)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_LOW;
IStrEncryptDecryptKey = VCT_KEY256_HIGH1;
}
if ((int)AIntEDType % 100 == 8)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_LOW;
IStrEncryptDecryptKey = VCT_KEY256_HIGH2;
}
if ((int)AIntEDType % 100 == 9)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_LOW;
IStrEncryptDecryptKey = VCT_KEY256_HIGH3;
}
#endregion
#region IVEC_NORMAL,KEY256_LOW
if ((int)AIntEDType % 100 == 10)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_NORMAL;
IStrEncryptDecryptKey = VCT_KEY256_LOW1;
}
if ((int)AIntEDType % 100 == 11)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_NORMAL;
IStrEncryptDecryptKey = VCT_KEY256_LOW2;
}
if ((int)AIntEDType % 100 == 12)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_NORMAL;
IStrEncryptDecryptKey = VCT_KEY256_LOW3;
}
#endregion
#region IVEC_NORMAL,KEY256_NORMAL
if ((int)AIntEDType % 100 == 13)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_NORMAL;
IStrEncryptDecryptKey = VCT_KEY256_NORMAL1;
}
if ((int)AIntEDType % 100 == 14)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_NORMAL;
IStrEncryptDecryptKey = VCT_KEY256_NORMAL2;
}
if ((int)AIntEDType % 100 == 15)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_NORMAL;
IStrEncryptDecryptKey = VCT_KEY256_NORMAL3;
}
#endregion
#region IVEC_NORMAL,KEY256_HIGH
if ((int)AIntEDType % 100 == 16)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_NORMAL;
IStrEncryptDecryptKey = VCT_KEY256_HIGH1;
}
if ((int)AIntEDType % 100 == 17)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_NORMAL;
IStrEncryptDecryptKey = VCT_KEY256_HIGH2;
}
if ((int)AIntEDType % 100 == 18)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_NORMAL;
IStrEncryptDecryptKey = VCT_KEY256_HIGH3;
}
#endregion
#region IVEC_HIGH,KEY256_LOW
if ((int)AIntEDType % 100 == 19)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_HIGH;
IStrEncryptDecryptKey = VCT_KEY256_LOW1;
}
if ((int)AIntEDType % 100 == 20)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_HIGH;
IStrEncryptDecryptKey = VCT_KEY256_LOW2;
}
if ((int)AIntEDType % 100 == 21)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_HIGH;
IStrEncryptDecryptKey = VCT_KEY256_LOW3;
}
#endregion
#region IVEC_HIGH,KEY256_NORMAL
if ((int)AIntEDType % 100 == 22)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_HIGH;
IStrEncryptDecryptKey = VCT_KEY256_NORMAL1;
}
if ((int)AIntEDType % 100 == 23)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_HIGH;
IStrEncryptDecryptKey = VCT_KEY256_NORMAL2;
}
if ((int)AIntEDType % 100 == 24)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_HIGH;
IStrEncryptDecryptKey = VCT_KEY256_NORMAL3;
}
#endregion
#region IVEC_HIGH,KEY256_HIGH
if ((int)AIntEDType % 100 == 25)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_HIGH;
IStrEncryptDecryptKey = VCT_KEY256_HIGH1;
}
if ((int)AIntEDType % 100 == 26)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_HIGH;
IStrEncryptDecryptKey = VCT_KEY256_HIGH2;
}
if ((int)AIntEDType % 100 == 27)
{
IStrEncryptDecryptIV = VCT_ENCRYPTION_AES_IVEC_HIGH;
IStrEncryptDecryptKey = VCT_KEY256_HIGH3;
}
#endregion
}
catch { LStrReturn = "Error02"; }
return(LStrReturn);
}
