/// <summary> /// 计算SHA-512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_512(string word, bool toUpper = true) { try { System.Security.Cryptography.SHA512CryptoServiceProvider SHA512CSP = new System.Security.Cryptography.SHA512CryptoServiceProvider(); byte[] bytValue = System.Text.Encoding.UTF8.GetBytes(word); byte[] bytHash = SHA512CSP.ComputeHash(bytValue); SHA512CSP.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); } }
/// <summary> /// 获取文本SHA512 /// </summary> /// <param name="text"></param> /// <returns></returns> public static string GetTextSHA_512(string text) { if (string.IsNullOrEmpty(text)) { return(string.Empty); } System.Security.Cryptography.SHA512CryptoServiceProvider SHA512CSP = new System.Security.Cryptography.SHA512CryptoServiceProvider(); byte[] bytValue = System.Text.Encoding.UTF8.GetBytes(text); byte[] bytHash = SHA512CSP.ComputeHash(bytValue); SHA512CSP.Clear(); //根据计算得到的Hash码翻译为SHA-1码 string sHash = ConvertHashBytes(bytHash); //根据大小写规则决定返回的字符串 return(sHash.ToLower()); }