/// <summary>
/// 加密串
/// </summary>
/// <param name="buffer">密钥</param>
/// <param name="len">长度=8</param>
/// <param name="key">传入的明码密码</param>
/// <returns></returns>
public static string EncodeString(string buffer, int len, string key)
{
try
{
if (buffer == null)
{
throw new ArgumentNullException("buffer", "传入密钥为空");
}
if (string.IsNullOrEmpty(key))
{
key = string.Empty;
}
char[] pbuffer = new char[1024];
char[] pkey = new char[80];
HisEncryption encryption = new HisEncryption();
buffer.ToCharArray().CopyTo(pbuffer, 0);
key.ToCharArray().CopyTo(pkey, 0);
encryption.Secret(pbuffer, len, pkey);
byte[] encryptBytes = CharArray2ByteArray(len, encryption);
return(Convert.ToBase64String(encryptBytes));
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 加密字符串sql用,形式为Char(xx)+Char(xx)...
/// </summary>
/// <param name="buffer">密钥</param>
/// <param name="len">长度=8</param>
/// <param name="key">传入的明码密码</param>
/// <returns></returns>
public static string EncodeStringSql(string buffer, int len, string key)
{
if (buffer == null)
{
throw new ArgumentNullException("buffer", "传入密钥为空");
}
if (string.IsNullOrEmpty(key))
{
key = string.Empty;
}
char[] pbuffer = new char[1024];
char[] pkey = new char[80];
string s = "";
char[] ckey;
HisEncryption encryption = new HisEncryption();
buffer.ToCharArray().CopyTo(pbuffer, 0);
key.ToCharArray().CopyTo(pkey, 0);
encryption.Secret(pbuffer, len, pkey);
ckey = encryption.EncryptPassword.ToCharArray();
s = "char(" + Convert.ToByte(ckey[0]).ToString() + ")";
for (int i = 1; i < len; i++)
{
s = s + "+char(" + Convert.ToByte(ckey[i]).ToString() + ")";
}
s = s + "+char(0)";
return(s);
}
private static byte[] CharArray2ByteArray(int len, HisEncryption encryption)
{
byte[] ret = new byte[len];
for (int i = 0; i < len; i++)
{
ret[i] = Convert.ToByte(encryption.pass[i]);
}
return(ret);
}
/// <summary>
/// 验证密码是否正确
/// </summary>
/// <param name="password">密码字符串</param>
/// <returns>正确返回true,否则返回false</returns>
public bool ComparePassword(string password)
{
try
{
string encryptPasswordBase64 = HisEncryption.EncodeString(_passwordKey, HisEncryption.PasswordLength, password);
return(encryptPasswordBase64 == m_Password);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
/// <summary>
/// 改变用户密码
/// </summary>
/// <param name="user">User对象</param>
/// <param name="oldPassword">原密码</param>
/// <param name="newPassword">新密码</param>
public void ChangeUserPassword(Users user, string oldPassword, string newPassword)
{
try
{
if (user == null)
{
throw new ArgumentNullException("user", Resources.UserInfoIsNull);
}
if (user.ComparePassword(oldPassword))
{
DateTime now = DateTime.Now;
string encryptDateTime = now.ToString("yyyyMMdd") + now.ToString("T");
string encryptNewPassword = HisEncryption.EncodeString(
encryptDateTime, HisEncryption.PasswordLength, newPassword);
//***********************************Modified By wwj 2011-06-07*************************************
//DataAccessFactory.DefaultDataAccess.ExecuteNoneQuery(string.Format(UpdateCZRYK, encryptNewPassword, encryptDateTime, user.ID));
SqlParameter[] sqlParam = new SqlParameter[]
{
new SqlParameter("@ID", SqlDbType.VarChar),
new SqlParameter("@Passwd", SqlDbType.VarChar),
new SqlParameter("@RegDate", SqlDbType.VarChar)
};
sqlParam[0].Value = user.Id;
sqlParam[1].Value = encryptNewPassword;
sqlParam[2].Value = encryptDateTime;
sql_helper.ExecuteNoneQuery("usp_UpdateUserPassword", sqlParam, CommandType.StoredProcedure);
//***************************************************************************************************
user.Password = newPassword;
user.PasswordKey = encryptNewPassword;
}
else
{
throw new InvalidUserPasswordException("原密码不正确");
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
/// <summary>
/// 加密串
/// </summary>
/// <param name="buffer">密钥</param>
/// <param name="len">长度=8</param>
/// <param name="key">传入的明码密码</param>
/// <returns>返回字符数组</returns>
public static byte[] EncodeString2ByteArray(string buffer, int len, string key)
{
if (buffer == null)
{
throw new ArgumentNullException("buffer", "传入密钥为空");
}
if (string.IsNullOrEmpty(key))
{
key = string.Empty;
}
char[] pbuffer = new char[1024];
char[] pkey = new char[80];
HisEncryption encryption = new HisEncryption();
buffer.ToCharArray().CopyTo(pbuffer, 0);
key.ToCharArray().CopyTo(pkey, 0);
encryption.Secret(pbuffer, len, pkey);
return(CharArray2ByteArray(len, encryption));
}
