MD5加密 和Sha256加密

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//MD5加密

private static string GetMd5Hash(string emailAddress)
{
byte[] data = MD5.Create().ComputeHash(Encoding.UTF8.GetBytes(emailAddress));
var sBuilder = new StringBuilder();
for (int i = 0; i < data.Length; i++)
{
sBuilder.Append(data[i].ToString("x2"));

}
return sBuilder.ToString();

}

//256位散列加密 
public static string Sha256(string plainText)
        {
            SHA256Managed _sha256 = new SHA256Managed();
            byte[] _cipherText = _sha256.ComputeHash(Encoding.Default.GetBytes(plainText));
            return Convert.ToBase64String(_cipherText);
        }

MD5加密 和Sha256加密

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原文地址：http://www.cnblogs.com/liuyuanhao/p/4378190.html