/// <summary>
/// MD5加密字符串.
/// </summary>
/// <param name="input">需要加密的字符串.</param>
/// <param name="bit">加密的位数.</param>
/// <param name="isUpper">加密的结果是否需要大写.</param>
/// <returns>经过MD5加密的字符串</returns>
public static string Encrypt(string input, MD5Mode bit, bool isUpper)
{
var md5 = new MD5CryptoServiceProvider();
byte[] data = md5.ComputeHash(Encoding.Default.GetBytes(input));
var stringBuilder = new StringBuilder();
switch (bit)
{
case MD5Mode.Low:
{
for (int i = 4; i <= 11; i++)
{
stringBuilder.Append(data[i].ToString("x2"));
}
break;
}
case MD5Mode.High:
{
for (int i = 0; i <= 15; i++)
{
stringBuilder.Append(data[i].ToString("x2"));
}
break;
}
}
if (isUpper)
return stringBuilder.ToString().ToUpper();
return stringBuilder.ToString().ToLower();
}
/// <summary>
/// MD5加密字符串.
/// </summary>
/// <param name="input">需要加密的字符串.</param>
/// <param name="bit">加密的位数.</param>
/// <param name="isUpper">加密的结果是否需要大写.</param>
/// <returns>经过MD5加密的字符串</returns>
public override string MD5(string input, MD5Mode bit)
{
var md5 = new MD5CryptoServiceProvider();
byte[] data = md5.ComputeHash(Encoding.Default.GetBytes(input));
var stringBuilder = new StringBuilder();
switch (bit)
{
case MD5Mode.Low:
{
for (int i = 4; i <= 11; i++)
{
stringBuilder.Append(data[i].ToString("x2"));
}
break;
}
case MD5Mode.High:
{
for (int i = 0; i <= 15; i++)
{
stringBuilder.Append(data[i].ToString("x2"));
}
break;
}
}
return(stringBuilder.ToString());
}
public static string Encrypt(string str, MD5Mode mode = MD5Mode.Strongly)
{
using (System.Security.Cryptography.MD5CryptoServiceProvider _md5Provider = new System.Security.Cryptography.MD5CryptoServiceProvider())
{
byte[] bytes = EncodingUtility.get_bytes(str, Encoding.UTF8);
bytes = _md5Provider.ComputeHash(bytes);
StringBuilder _sb = new StringBuilder();
int s, e;
s = mode == MD5Mode.Strongly ? 0 : 4;
e = mode == MD5Mode.Strongly ? 16 : 12;
for (int i = s; i < e; i++)
_sb.Append(bytes[i].ToString("X2"));
bytes = null;
return _sb.ToString();
}
}
public abstract string MD5(string input, MD5Mode bit);
public abstract string MD5(string input, MD5Mode bit, bool isUpper);
public abstract string MD5(string input, MD5Mode bit);
public abstract string MD5(string input, MD5Mode bit, bool isUpper);
