/// <summary>
/// MD5加密
/// </summary>
/// <param name="content">待加密内容</param>
/// <param name="salt">加密盐，为null则只加密内容</param>
/// <returns></returns>
public static byte[] GetMd5Hash(string content, string salt)
{
using (var md5Hash = MD5.Create())
{
content = salt == null ? content : $"{content}.{salt}";
return(md5Hash.ComputeHash(EncodingExt.GetBytes(content)));
}
}
/// <summary>
/// HMAC系列加密
/// </summary>
/// <typeparam name="T">继承HMAC的加密算法</typeparam>
/// <param name="content">待加密内容</param>
/// <param name="salt">加密盐</param>
/// <returns></returns>
public static byte[] GetHmacHash <T>(string content, string salt) where T : HMAC, new()
{
T hmac = new T
{
Key = EncodingExt.GetBytes(salt)
};
return(hmac.ComputeHash(EncodingExt.GetBytes(content)));
}
/// <summary>
/// HMAC系列加密
/// </summary>
/// <param name="alg">继承HMAC的加密算法</param>
/// <param name="content">待加密内容</param>
/// <param name="salt">加密盐</param>
/// <returns></returns>
public static byte[] GetHmacHash(string alg, string content, string salt)
{
var hmac = (HMAC)Assembly.Load("mscorlib.dll")
.CreateInstance($"System.Security.Cryptography.{alg}");
hmac.Key = EncodingExt.GetBytes(salt);
return(hmac.ComputeHash(EncodingExt.GetBytes(content)));
}