/// <summary>
/// SHA384加密，不可逆转
/// </summary>
/// <param name="data">string data:被加密的字符串</param>
/// <param name="isBase64"></param>
/// <returns>返回加密后的字符串</returns>
public static string HashSHA384(string data, bool isBase64 = false)
{
SHA384 s384 = new SHA384CryptoServiceProvider();
byte[] byte1 = Encoding.UTF8.GetBytes(data);
byte1 = s384.ComputeHash(byte1);
s384.Clear();
if (isBase64)
{
return(Convert.ToBase64String(byte1));
}
else
{
return(ConvertHelper.ToString(byte1));
}
}
/// <summary>
/// 计算SHA-384码
/// </summary>
/// <param name="word">字符串</param>
/// <param name="toUpper">返回哈希值格式 true：英文大写，false：英文小写</param>
/// <returns></returns>
public static string Hash_SHA_384(string word, bool toUpper = false)
{
try
{
SHA384CryptoServiceProvider SHA384CSP
= new SHA384CryptoServiceProvider();
byte[] bytValue = Encoding.UTF8.GetBytes(word);
byte[] bytHash = SHA384CSP.ComputeHash(bytValue);
SHA384CSP.Clear();
//根据计算得到的Hash码翻译为SHA-1码
string sHash = "", sTemp = "";
for (int counter = 0; counter < bytHash.Count(); counter++)
{
long i = bytHash[counter] / 16;
if (i > 9)
{
sTemp = ((char)(i - 10 + 0x41)).ToString();
}
else
{
sTemp = ((char)(i + 0x30)).ToString();
}
i = bytHash[counter] % 16;
if (i > 9)
{
sTemp += ((char)(i - 10 + 0x41)).ToString();
}
else
{
sTemp += ((char)(i + 0x30)).ToString();
}
sHash += sTemp;
}
//根据大小写规则决定返回的字符串
return(toUpper ? sHash : sHash.ToLower());
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
} //compute hash from arguments and return hash value as string
private static string GetSHA384Hash(string text)
{
//create variables for computing hash and making it a string
UnicodeEncoding UniCode = new UnicodeEncoding();
byte[] HashResult;
byte[] msg = UniCode.GetBytes(text);
SHA384 hashString = new SHA384CryptoServiceProvider();
string Str = "";
//compute hash with SHA384 module and format output as string
//convert bytes in HashResult to string values
HashResult = hashString.ComputeHash(msg);
foreach (byte x in HashResult)
{
Str += String.Format("{0:x2}", x);
}
//clear excess resource usage
hashString.Clear();
return(Str);
} //compute hash from arguments and return hash value as string
