.net下几种实现MD5算法的途径
/// <summary>
/// 获取MD5得值,转换成BASE64
/// </summary>
/// <param name="Sourcein"></param>
/// <returns></returns>
public static string MD5(string Sourcein)
{
System.Security.Cryptography.MD5CryptoServiceProvider MD5CSP = new System.Security.Cryptography.MD5CryptoServiceProvider();
byte[] MD5Source = System.Text.Encoding.UTF8.GetBytes(Sourcein);
byte[] MD5Out = MD5CSP.ComputeHash(MD5Source);
return Convert.ToBase64String(MD5Out);
}
/// <summary>
/// 获取MD5得值,没有转换成Base64的
/// </summary>
/// <param name="sDataIn">需要加密的字符串</param>
/// <param name="move">偏移量</param>
/// <returns>sDataIn加密后的字符串</returns>
public string GetMD5(string sDataIn, string move)
{
System.Security.Cryptography.MD5CryptoServiceProvider md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
byte[]byt, bytHash;
byt = System.Text.Encoding.UTF8.GetBytes(move + sDataIn);
bytHash = md5.ComputeHash(byt);
md5.Clear();
string sTemp = "";
for (int i = 0; i < bytHash.Length; i ++ )
{
sTemp += bytHash[i].ToString("x").PadLeft(2, '0');
}
return sTemp;
}
/// <summary>
/// ASP.net下获取Md5
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public string MD5AspDotNet(string source)
{
return System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(source, "MD5");
}
以上第一种方法获得的结果和后面几种方法的结果不一样,但是效果是一样的,如果你的程序是从ASP转过来的话,推荐使用第2种或第3种方法
/// 获取MD5得值,转换成BASE64
/// </summary>
/// <param name="Sourcein"></param>
/// <returns></returns>
public static string MD5(string Sourcein)
{
System.Security.Cryptography.MD5CryptoServiceProvider MD5CSP = new System.Security.Cryptography.MD5CryptoServiceProvider();
byte[] MD5Source = System.Text.Encoding.UTF8.GetBytes(Sourcein);
byte[] MD5Out = MD5CSP.ComputeHash(MD5Source);
return Convert.ToBase64String(MD5Out);
}
/// <summary>
/// 获取MD5得值,没有转换成Base64的
/// </summary>
/// <param name="sDataIn">需要加密的字符串</param>
/// <param name="move">偏移量</param>
/// <returns>sDataIn加密后的字符串</returns>
public string GetMD5(string sDataIn, string move)
{
System.Security.Cryptography.MD5CryptoServiceProvider md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
byte[]byt, bytHash;
byt = System.Text.Encoding.UTF8.GetBytes(move + sDataIn);
bytHash = md5.ComputeHash(byt);
md5.Clear();
string sTemp = "";
for (int i = 0; i < bytHash.Length; i ++ )
{
sTemp += bytHash[i].ToString("x").PadLeft(2, '0');
}
return sTemp;
}
/// <summary>
/// ASP.net下获取Md5
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public string MD5AspDotNet(string source)
{
return System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(source, "MD5");
}
以上第一种方法获得的结果和后面几种方法的结果不一样,但是效果是一样的,如果你的程序是从ASP转过来的话,推荐使用第2种或第3种方法