using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Security.Cryptography; using System.Text; using System.Threading.Tasks; namespace Siia.Veima.Host.Utils { public class CommonFunction { /// <summary> /// 32位MD5加密 /// </summary> /// <param name="password"></param> /// <returns></returns> public static string MD5Encrypt32(string password) { //string cl = password; //string pwd = ""; //MD5 md5 = MD5.Create(); //实例化一个md5对像 // // 加密后是一个字节类型的数组,这里要注意编码UTF8/Unicode等的选择 //byte[] s = md5.ComputeHash(Encoding.UTF8.GetBytes(cl)); //// 通过使用循环,将字节类型的数组转换为字符串,此字符串是常规字符格式化所得 //for (int i = 0; i < s.Length; i++) //{ // // 将得到的字符串使用十六进制类型格式。格式后的字符是小写的字母,如果使用大写(X)则格式后的字符是大写字符 // pwd = pwd + s[i].ToString("X"); //} //return pwd; MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider(); string t2 = BitConverter.ToString(md5.ComputeHash(UTF8Encoding.Default.GetBytes(password))); t2 = t2.Replace("-", ""); return t2; } /// <summary> /// 加密 /// </summary> /// <param name="characters">要加密的明文</param> /// <returns>加密后的密文</returns> public static string EncryptStr(string characters) { string key = "330ead0b-4951-46a7-8db8-0e2569472fd1"; //位移加密 byte[] bStr = (new UnicodeEncoding()).GetBytes(characters); for (int i = 0; i < bStr.Length; i++) { byte b = (byte)(bStr[i] + 255); bStr[i] = b; } byte[] bKey = (new UnicodeEncoding()).GetBytes(key);//加密锁 //异或加密 for (int i = 0; i < bStr.Length; i += 2) { for (int j = 0; j < bKey.Length; j += 3) { bStr[i] = Convert.ToByte(bStr[i] ^ bKey[j]); } } return (new UnicodeEncoding()).GetString(bStr).TrimEnd('