/// <summary> 获取基于密钥的 Hash 加密方法 </summary>
private static HMAC GetHmac(HmacFormat hmacFormat, byte[] key)
{
HMAC hmac;
switch (hmacFormat)
{
case HmacFormat.HMACMD5:
hmac = new HMACMD5(key);
break;
//case HmacFormat.HMACRIPEMD160:
// hmac = new HMACRIPEMD160(key);
// break;
case HmacFormat.HMACSHA1:
hmac = new HMACSHA1(key);
break;
case HmacFormat.HMACSHA256:
hmac = new HMACSHA256(key);
break;
case HmacFormat.HMACSHA384:
hmac = new HMACSHA384(key);
break;
case HmacFormat.HMACSHA512:
hmac = new HMACSHA512(key);
break;
default:
throw new ArgumentOutOfRangeException(nameof(hmacFormat), hmacFormat, null);
}
return(hmac);
}
/// <summary> 获取基于密钥的 Hash 加密方法 </summary>
private static HMAC GetHmac(HmacFormat hmacFormat, byte[] key)
{
HMAC hmac = null;
switch (hmacFormat)
{
case HmacFormat.HMACMD5:
hmac = new HMACMD5(key);
break;
//case HmacFormat.HMACRIPEMD160:
// hmac = new HMACRIPEMD160(key);
// break;
case HmacFormat.HMACSHA1:
hmac = new HMACSHA1(key);
break;
case HmacFormat.HMACSHA256:
hmac = new HMACSHA256(key);
break;
case HmacFormat.HMACSHA384:
hmac = new HMACSHA384(key);
break;
case HmacFormat.HMACSHA512:
hmac = new HMACSHA512(key);
break;
}
return(hmac);
}
/// <summary> 对字符串进行基于密钥的 Hash 加密 </summary>
/// <param name="inputString"></param>
/// <param name="key">密钥的长度不限，建议的密钥长度为 64 个英文字符。</param>
/// <param name="hashFormat"></param>
/// <returns></returns>
public static string Hmac(string inputString, string key, HmacFormat hashFormat = HmacFormat.HMACSHA1)
{
var algorithm = GetHmac(hashFormat, Encoding.ASCII.GetBytes(key));
algorithm.ComputeHash(Encoding.UTF8.GetBytes(inputString));
return(BitConverter.ToString(algorithm.Hash).Replace("-", "").ToUpper());
}
/// <summary>
/// 获取加密方法
/// </summary>
/// <param name="hmacFormat"></param>
/// <param name="key"></param>
/// <returns></returns>
private static HMAC GetHmac(HmacFormat hmacFormat, byte[] key)
{
HMAC hmac = null;
switch (hmacFormat)
{
case HmacFormat.HMACMD5:
hmac = new HMACMD5(key);
break;
case HmacFormat.HMACRIPEMD160:
hmac = new HMACRIPEMD160(key);
break;
case HmacFormat.HMACSHA1:
hmac = new HMACSHA1(key);
break;
case HmacFormat.HMACSHA256:
hmac = new HMACSHA256(key);
break;
case HmacFormat.HMACSHA384:
hmac = new HMACSHA384(key);
break;
case HmacFormat.HMACSHA512:
hmac = new HMACSHA512(key);
break;
}
return hmac;
}
/// <summary>
/// 对字符串进行基于密钥的 Hash 加密
/// </summary>
/// <param name="inputString"></param>
/// <param name="key"></param>
/// <param name="hashFormat"></param>
/// <returns></returns>
public static string Hmac(string inputString, string key, HmacFormat hashFormat)
{
HMAC algorithm = GetHmac(hashFormat, Encoding.UTF8.GetBytes(key));
algorithm.ComputeHash(Encoding.UTF8.GetBytes(inputString));
return BitConverter.ToString(algorithm.Hash).Replace("-", "").ToUpper();
}
