118 lines
4.2 KiB
C#
118 lines
4.2 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Security.Cryptography;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
namespace ViewModels
|
|
{
|
|
public class Tools
|
|
{
|
|
private static byte[] Keys = { 0xEF, 0xAB, 0x56, 0x78, 0x90, 0x34, 0xCD, 0x12 };
|
|
|
|
public static string encryptKey = "20su#pe1r%boolive";
|
|
/// <summary>
|
|
/// DES加密字符串
|
|
/// </summary>
|
|
/// <param name="encryptString">待加密的字符串</param>
|
|
/// <param name="encryptKey">加密密钥,要求为8位</param>
|
|
/// <returns>加密成功返回加密后的字符串，失败返回源串</returns>
|
|
public static string EncryptString(string encryptString)
|
|
{
|
|
try
|
|
{
|
|
byte[] rgbKey = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 8));
|
|
byte[] rgbIV = Keys;
|
|
byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString);
|
|
var dCSP = new DESCryptoServiceProvider();
|
|
using MemoryStream mStream = new MemoryStream();
|
|
using CryptoStream cStream = new CryptoStream(mStream, dCSP.CreateEncryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
|
|
cStream.Write(inputByteArray, 0, inputByteArray.Length);
|
|
cStream.FlushFinalBlock();
|
|
return Convert.ToBase64String(mStream.ToArray());
|
|
}
|
|
catch
|
|
{
|
|
return encryptString;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// DES解密字符串
|
|
/// </summary>
|
|
/// <param name="decryptString">待解密的字符串</param>
|
|
/// <param name="decryptKey">解密密钥,要求为8位,和加密密钥相同</param>
|
|
/// <returns>解密成功返回解密后的字符串，失败返源串</returns>
|
|
public static string DecryptString(string decryptString)
|
|
{
|
|
try
|
|
{
|
|
byte[] rgbKey = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 8));
|
|
byte[] rgbIV = Keys;
|
|
byte[] inputByteArray = Convert.FromBase64String(decryptString);
|
|
var DCSP = new DESCryptoServiceProvider();
|
|
using MemoryStream mStream = new MemoryStream();
|
|
using CryptoStream cStream = new CryptoStream(mStream, DCSP.CreateDecryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
|
|
cStream.Write(inputByteArray, 0, inputByteArray.Length);
|
|
cStream.FlushFinalBlock();
|
|
return Encoding.UTF8.GetString(mStream.ToArray());
|
|
}
|
|
catch
|
|
{
|
|
return decryptString;
|
|
}
|
|
}
|
|
|
|
|
|
public static string HashPassword(string pwd)
|
|
{
|
|
string v = CryptoHelper.Crypto.HashPassword(pwd);
|
|
return v;
|
|
}
|
|
public static bool VerifyHashedPassword(string encrypwd, string original_pwd)
|
|
{
|
|
bool v = CryptoHelper.Crypto.VerifyHashedPassword(encrypwd, original_pwd);
|
|
return v;
|
|
}
|
|
|
|
|
|
|
|
/// <summary>
|
|
/// 时间戳转本地时间-时间戳精确到秒
|
|
/// </summary>
|
|
public static DateTime ToLocalTimeDateBySeconds(long unix)
|
|
{
|
|
var dto = DateTimeOffset.FromUnixTimeSeconds(unix);
|
|
return dto.ToLocalTime().DateTime;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 时间转时间戳Unix-时间戳精确到秒
|
|
/// </summary>
|
|
public static long ToUnixTimestampBySeconds(DateTime dt)
|
|
{
|
|
DateTimeOffset dto = new DateTimeOffset(dt);
|
|
return dto.ToUnixTimeSeconds();
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// 时间戳转本地时间-时间戳精确到毫秒
|
|
/// </summary>
|
|
public static DateTime ToLocalTimeDateByMilliseconds(long unix)
|
|
{
|
|
var dto = DateTimeOffset.FromUnixTimeMilliseconds(unix);
|
|
return dto.ToLocalTime().DateTime;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 时间转时间戳Unix-时间戳精确到毫秒
|
|
/// </summary>
|
|
public static long ToUnixTimestampByMilliseconds(DateTime dt)
|
|
{
|
|
DateTimeOffset dto = new DateTimeOffset(dt);
|
|
return dto.ToUnixTimeMilliseconds();
|
|
}
|
|
}
|
|
}
|