- using System;
- using System.Security.Cryptography;
- using System.Text;
- namespace DimoNetwork.Common.DEncrypt
- {
- public enum MD5ResultMode : byte
- {
- Strong = 0,
- Weak = 1
- }
- /// <summary>
- /// 在应用程序中定义用于单向加密文本的方法
- /// </summary>
- public class TextEncrypt
- {
- private TextEncrypt()
- {
- }
- #region ========加密========
- /// <summary>
- /// 加密
- /// </summary>
- /// <param name="Text"></param>
- /// <returns></returns>
- public static string Encrypt(string Text)
- {
- return Encrypt(Text, "DimoNet");
- }
- /// <summary>
- /// 加密数据
- /// </summary>
- /// <param name="Text"></param>
- /// <param name="sKey"></param>
- /// <returns></returns>
- public static string Encrypt(string Text, string sKey)
- {
- DESCryptoServiceProvider des = new DESCryptoServiceProvider();
- byte[] inputByteArray;
- inputByteArray = Encoding.Default.GetBytes(Text);
- des.Key = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0, 8));
- des.IV = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0, 8));
- System.IO.MemoryStream ms = new System.IO.MemoryStream();
- CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
- cs.Write(inputByteArray, 0, inputByteArray.Length);
- cs.FlushFinalBlock();
- StringBuilder ret = new StringBuilder();
- foreach (byte b in ms.ToArray())
- {
- ret.AppendFormat("{0:X2}", b);
- }
- return ret.ToString();
- }
- /// <summary>
- /// MD5 加密
- /// </summary>
- /// <param name="password">要加密的字符串</param>
- /// <returns></returns>
- public static string MD5EncryptPassword(string password, int? length = null)
- {
- if (password == null)
- {
- throw new ArgumentNullException("password");
- }
- return MD5EncryptPassword(password, MD5ResultMode.Strong, length);
- }
- /// <summary>
- /// MD5 加密
- /// </summary>
- /// <param name="password">要加密的字符串</param>
- /// <param name="mode">加密强度</param>
- /// <returns></returns>
- public static string MD5EncryptPassword(string password, MD5ResultMode mode, int? length = null)
- {
- if (password == null)
- {
- throw new ArgumentNullException("password");
- }
- MD5CryptoServiceProvider provider = new MD5CryptoServiceProvider();
- string str = BitConverter.ToString(provider.ComputeHash(Encoding.UTF8.GetBytes(password)));
- if (length != null && length == 16)
- {
- str = BitConverter.ToString(provider.ComputeHash(Encoding.UTF8.GetBytes(password)), 4, 8);
- }
- provider.Clear();
- if (mode != MD5ResultMode.Strong)
- {
- return str.Replace("-", null).Substring(8, 0x10);
- }
- return str.Replace("-", null);
- }
- #endregion
- #region ========解密========
- /// <summary>
- /// 解密
- /// </summary>
- /// <param name="Text"></param>
- /// <returns></returns>
- public static string Decrypt(string Text)
- {
- return Decrypt(Text, "DimoNet");
- }
- /// <summary>
- /// 解密数据
- /// </summary>
- /// <param name="Text"></param>
- /// <param name="sKey"></param>
- /// <returns></returns>
- public static string Decrypt(string Text, string sKey)
- {
- DESCryptoServiceProvider des = new DESCryptoServiceProvider();
- int len;
- len = Text.Length / 2;
- byte[] inputByteArray = new byte[len];
- int x, i;
- for (x = 0; x < len; x++)
- {
- // i = Convert.ToInt32(Text.Substring(x * 2, 2), 16);
- i = System.Convert.ToInt32(Text.Substring(x * 2, 2), 16);
- inputByteArray[x] = (byte)i;
- }
- des.Key = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0, 8));
- des.IV = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0, 8));
- System.IO.MemoryStream ms = new System.IO.MemoryStream();
- CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
- cs.Write(inputByteArray, 0, inputByteArray.Length);
- cs.FlushFinalBlock();
- return Encoding.Default.GetString(ms.ToArray());
- }
- #endregion
- /// <summary>
- /// Base64 解码
- /// </summary>
- /// <param name="message"></param>
- /// <returns></returns>
- public static string Base64Decode(string message)
- {
- byte[] bytes = Convert.FromBase64String(message);
- return Encoding.UTF8.GetString(bytes);
- }
- /// <summary>
- /// Base64 编码
- /// </summary>
- /// <param name="message"></param>
- /// <returns></returns>
- public static string Base64Encode(string message)
- {
- return Convert.ToBase64String(Encoding.UTF8.GetBytes(message));
- }
- /// <summary>
- /// DSA 加密
- /// </summary>
- /// <param name="password">要加密的字符串</param>
- /// <returns></returns>
- public static string DSAEncryptPassword(string password)
- {
- if (password == null)
- {
- throw new ArgumentNullException("password");
- }
- DSACryptoServiceProvider provider = new DSACryptoServiceProvider();
- string str = BitConverter.ToString(provider.SignData(Encoding.UTF8.GetBytes(password)));
- provider.Clear();
- return str.Replace("-", null);
- }
- /// <summary>
- /// MD5 加密
- /// </summary>
- /// <param name="password">要加密的字符串</param>
- /// <returns></returns>
- public static string EncryptPassword(string password)
- {
- if (password == null)
- {
- throw new ArgumentNullException("password");
- }
- return MD5EncryptPassword(password);
- }
- /// <summary>
- /// MD5 加密
- /// </summary>
- /// <param name="password">要加密的字符串</param>
- /// <returns></returns>
- public static string MD5EncryptPassword(string password)
- {
- if (password == null)
- {
- throw new ArgumentNullException("password");
- }
- return MD5EncryptPassword(password, MD5ResultMode.Strong);
- }
- /// <summary>
- /// MD5 加密
- /// </summary>
- /// <param name="password">要加密的字符串</param>
- /// <param name="mode">加密强度</param>
- /// <returns></returns>
- public static string MD5EncryptPassword(string password, MD5ResultMode mode)
- {
- if (password == null)
- {
- throw new ArgumentNullException("password");
- }
- MD5CryptoServiceProvider provider = new MD5CryptoServiceProvider();
- string str = BitConverter.ToString(provider.ComputeHash(Encoding.UTF8.GetBytes(password)));
- provider.Clear();
- if (mode != MD5ResultMode.Strong)
- {
- return str.Replace("-", null).Substring(8, 0x10);
- }
- return str.Replace("-", null);
- }
- /// <summary>
- /// SHA1 加密
- /// </summary>
- /// <param name="password">要加密的字符串</param>
- /// <returns></returns>
- public static string SHA1EncryptPassword(string password)
- {
- if (password == null)
- {
- throw new ArgumentNullException("password");
- }
- SHA1CryptoServiceProvider provider = new SHA1CryptoServiceProvider();
- string str = BitConverter.ToString(provider.ComputeHash(Encoding.UTF8.GetBytes(password)));
- provider.Clear();
- return str.Replace("-", null);
- }
- /// <summary>
- /// SHA256 加密
- /// </summary>
- /// <param name="password">要加密的字符串</param>
- /// <returns></returns>
- public static string SHA256(string password)
- {
- byte[] bytes = Encoding.UTF8.GetBytes(password);
- SHA256Managed managed = new SHA256Managed();
- return Convert.ToBase64String(managed.ComputeHash(bytes));
- }
- }
- }
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